Answer:
Bisexual flowers:
In order to make a new seed male gamete present in a pollen grain units with the female gamete present in the ovule.
Unisexual flowers:
Unisexual flower can self pollinate where both male and female flowers are present on the same plant. Stigma of the female flower can be pollinated by the pollen of the male flower present on the same plant.
1.
What are the minimum requirements for growing cells in culture?
Group of answer choices
Complete culture medium, pH around 7.4 and a 5% CO2 atmosphere
Complete culture medium, pH around 7.4 and a 15% CO2 atmosphere
Complete culture medium, pH around 9.4 and a 5% CO2 atmosphere
Basal medium, pH around 7.4 and a 5% CO2 atmosphere
2.
What is the condition under the air flow hood like
Group of answer choices
Very clean but not absolutely sterile
Absolutely sterile
Complete asepticall
high level of of CO2
3.
How you detach the adherent cell when you need to sub-culture ?
Group of answer choices
All of them are possible method
enzymatic dissociation
Shaking off
using scraper
Minimum requirements for growing cells in culture is basal medium, pH around 7.4 and 5% CO2 atmosphere.
What do you mean by basal medium?Basal media are those that can be used to grow (culture) bacteria without the need for additional media enrichment. Examples: Nutrient broth, nutrient agar and peptone water. 2. Enriched media.
Enriched media provides growth factors, vitamins, and other important nutrients to help fastidious organisms develop. The basal medium is prepared by anaerobic incubation of all ingredients in RGCSA medium except the carbohydrates, Na2CO3, and cysteine for 7 days at 38 degrees C.
After incubation, substrate(s), Na2CO3 and cysteine are added and the medium is tubed and sterilized as in normal medium preparation.
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The diagram above illustrates how the number of individuals in a population changed with time as a result of external stresses and resource limitations. Which lettered portion of the curve most likely corresponds to the carrying capacity of the ecosystem?
A
B
C
D
E
The lettered portion of the curve that likely corresponds to carrying capacity of the ecosystem is the letter of E.
What is carrying capacity?The carrying capacity is a term to describe the environment maximum population size for a biological species, this also for the ecosystem to hold maximal load of population.
Maximum population can be determine by the availability of the resources that support the biological species, this including the water, food, habitat, and any other resources.
Carrying capacity can be defined as population ecology corresponds to the equilibrium of the population which it mean the carrying capacity is when the number of deaths equal to the number of births.
In diagram, we can see the number of births raised in A-B letter and then the letter C-D the number of deaths raised until the letter of E when it stable. Thus, the letter of E is a carrying capacity.
You question is incomplete, but most probably your full question was
(image attached)
The diagram above illustrates how the number of individuals in a population changed with time as a result of external stresses and resource limitations. Which lettered portion of the curve most likely corresponds to the carrying capacity of the ecosystem?
A
B
C
D
E
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What is the medical term for sclerosis?
The medical term for sclerosis is Multiple Sclerosis. The suffix -sclerosis means hardening and is used in atherosclerosis which means hardening of the arteries.
Sclerosis means pathological hardening of tissue especially from overgrowth of stringy tissue or increment in interstitial tissue. Sclerosis is a medical term that means hardening of a tissue. Atherosclerosis is a form of sclerosis. Its common name — “ hardening of the arteries". Arteriosclerosis occurs when the blood vessels that carry oxygen and nutrients from the heart to the rest of the body( arteries) come thick and stiff — occasionally confining blood inflow to the organs and tissues. Because they both use the term “ sclerosis, ” multiple sclerosis and atherosclerosis refer to hardening of a body tissue. In this way, multiple sclerosis and atherosclerosis are similar.
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pls help label diagram
Answer:
A. enzyme
B. active site
C. substrate
D. enzyme-substrate complex
E. products
Explanation:
A. The enzyme will be the figure that never moves, becomes modified, etc., because it is a catalyst that collides with substrates to speed up chemical reactions.
B. The active site is the surface on the rim of the enzyme. The active site is where the enzyme and substrate bond, or connect.
C. The substrate is a molecule that the enzyme collides with to break the molecule down or build the molecule back up.
D. The enzyme-substrate complex is when the enzyme and substrate bond at the enzyme's active site.
E. The products are the molecules that result when the enzyme breaks down the substrate.
The term sexual orientation can be defined as:
A. a phase which a person outgrows before entering heterosexuality.
B. A term that refers to individuals who identity with the behaviors and characteristics that are opposite of their biological sex.
C. A person's biological gender
D. A person's emotional and sexual attraction to a particular sex.
The definition of sexual orientation is: A. a stage that a person through before entering heterosexuality.
who a person is attracted to sexually is described. Some people are drawn to persons of a specific gender, while others are drawn to people of other genders. Some people don't find anyone attractive. Asexuality is the lack of sexual attraction to anyone and/or the lack of desire to act on such attraction. The characteristic that predisposes one to feel sexual attraction to other individuals of the same sex (homosexual), the opposing sex (heterosexual), or to both sexes is known as sexual orientation (bisexual). Our ingrained tendencies of sexual attraction are referred to as sexual orientation. People who are drawn to people of the same sex define as gay, whereas those who are drawn to individuals of the opposite gender define as heterosexual.
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What happened to food when it is in your mouth stomach small intestine?
The majority of nutritional absorption from meals occurs in the small intestine, also known as the small bowel, an organ in the digestive system.
In order to aid in digestion, it gets bile and pancreatic juice through the pancreatic duct, which is located between the stomach and the large intestine. About 5.5 metres (18 feet) length, the small intestine folds multiple times to fit inside the abdomen. Although it is shorter than the big intestine, the small intestine is known as such because of its smaller diameter.The duodenum, jejunum, and ileum are the three separate parts of the small intestine. The duodenum, which is the smallest, is where the body begins preparing for absorption through tiny protrusions shaped like fingers. The jejunum is designed specifically for enterocyte absorption through its lining:
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What do homologous structures like arm bones show about the ancestry of two species like alligators and bats?
Analogous structures demonstrate that identical selective pressures might result in similar adaptations, whereas homologous structures indicate evidence for shared ancestry. biological molecules' distinctions and similarities.
What does the homology of two species' structures reveal?If two or more species have similar physical characteristics, it's possible that all of them inherited them from a common ancestor. Homologous structures are traits that are similar because they have a common ancestor. A structural homology is the comparable bone arrangement in the forelimbs of humans, birds, and whales.
What two animals have limbs that resemble human arms?With a large upper "arm" bone and a smaller lower "leg" bone, the flipper of a whale, the wing of a bat, and the leg of a cat are all strikingly similar to the human arm.
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Activity: Blood Typing with Simulated Blood (please refer to the Carolina Investigation Manual titled as such) Directions: Beginning on page 6 of the Investigation Manual (and referring to the Key on page 2 as necessary). please read thoroughly and follow all directions to complete the activity as described. As stated on page 6, "Wear your goggles, gloves, and lab apron at all times while conducting this investigation." Please record the results of the activity in the table below (see Example) and insert the photos where requested. Please Note: The blood and sera included in the kit are synthetic! Do NOT try to type your own blood as it will NOT work (I have to say that because admittedly, if I were in your position, that's what I would try and do Sample Anti-A Anti-B Anti-Rh ABO/Rh Blood Type Example negative positive positive B+ (and it's good advice!) 1 2 3 4
Carolina Lab Sheets:
Sample 1: A+
Sample 2: AB+
Sample 3: O+
Sample 4: A-
(complete answer in the picture)
The Carolina Laboratory uses Carolina Synthetic Fabrics to learn more about human blood types which are A, B, and Rh.
Blood test (for A, B, and Rh) requires 3 drops of antiserum. Each blood test requires 1 drop of each antiserum. So, a 5 mL blood sample gives results in about 30 tests. Each blood test requires 1 drop of each antiserum, so approximately 1.5 mL of each antiserum is required for 30 tests. When stored at room temperature and away from sunlight, Synthetic Blood Group and Antisera have a shelf life of more than 2 years.
Rh is another blood group. Some people have Rh+ blood and some have Rh blood. People with Rh+ blood do not have Rh antibodies in their blood unless they have been exposed to Rh antigens in the past. If a person has Rh- blood, they can get a blood transfusion with Rh+ blood or they can get Rh- blood from a previous pregnancy.
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How is Animal Farm like the Russian Revolution?
In many aspects, Orwell's book's characters and events parallel the Russian Revolution: Of essence, Old Major, Snowball, and Napoleon are the main figures in the Russian Revolution, and Manor Farm is a representation of Russia. Mr. Jones is inspired after Tsar Nicholas II (1868–1918), the last Russian emperor.
In Animal Farm, Boxer is a depiction of all Russian laborer's and workers, while Old Major stands in for Karl Marx, Snowball for Leon Trotsky, Napoleon for Josef Stalin, Squealer for propaganda, and Snowball for Leon Trotsky.
The revolt of the animals is comparable to the fall of Nicholas II, the Tsar of Russia. Both rebellions were carried out quickly and without any preparation.
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Which of these means "made by
humans"?
A. ambient
B. anthropogenic
G. VOC
D. particulate
Answer:
Anthropogenic
Explanation:
It basically means environmental change caused or influenced due to activities by human either directly or indirectly
The creation of milk products such as cheeses and yogurts is dependent on the conversion by various anaerobic bacteria, including several Lactobacillus species, of lactose to glucose and galactose, ultimately producing lactic acid. These conversions are dependent on both permease and -galactosidase as part of the lac operon. After selection for rapid fermentation for the production of yogurt, one Lactobacillus subspecies lost its ability to regulate lac operon expression.. Would you consider it likely that in this subspecies the lac operon is on or off? What genetic events would likely contribute to the loss of regulation as described above?
A mutation in the beta glycosidase gene such that an ineffective enzymes is made. A mutation in permease gene such that an ineffective enzymes is made.
What is mutation?Mutation is defined as the alteration of one base unit in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes, leading in a variant form of a gene that may be passed down to future generations.
Because the F′prolac has a mutation in lacI, the conjugants will lack repressor function and be kanamycin-resistant. However, even if the F′ has a lacO mutation, it will still create a functional repressor, which will stop the kanamycin resistance gene from being expressed.
Thus, a mutation in the beta glycosidase gene such that an ineffective enzymes is made. A mutation in permease gene such that an ineffective enzymes is made.
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How long does it take snails to mature?
The eggs hatch in 14 to 30 days, releasing snails. These snails grow up and after 6 months, the snails are mature. Sexual maturity takes up to 6 to 16 months, depending on weather and availability of calcium.
How long does snails take to mature?Snails are hermaphrodites which implies that they have both male and female reproductive organs. Even though snails are able to self-fertilize, most snails will mate with another snail. The garden snail reaches to sexual maturity between one to two years after hatching.
When snails are sexually mature that is between 8 to 12 months after hatching, then they lay eggs that hatch between 4 and 6 weeks.
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A aids (aydz) noun a disease that causes the human immune system to break down and lower resistance to deadly diseases. it’s short for acquired immune deficiency syndrome. antiviral (an-tih-vye-ral) adjective capable of destroying or weakening a virus. —when birds get flu and cows go mad!, john diconsiglio in the sentence, "they used an antiviral injection to stop the spread of the virus," what does the word antiviral mean?
a. a disease caused by human immune system failure
b. a virus caused by human immune system failure
c. having the ability to kill or reduce the strength of a virus
d. being against the creation of viruses
Your anwser is A. a disease caused by human immune system failure
I took the quiz and that was the right anwser, happy holidays!
ACAUGGAUC AGAUGGAUC what would be the result of this muation
A error in DNA replication could be the cause of a spontaneous mutation. During mitosis and meiosis, mutations can also happen.
The amount of genetic material or DNA is only increased by mitosis and DNA replication. Both the daughter cells and the parental cell retain the same number of chromosomes. This keeps the cell's ploidy intact.
An induced mutation is a mutation that is brought on by a mutagen, or environmental element.
What results from a genetic mutation?
Such changes result in the synthesis of new proteins or the early termination of existing proteins. Synonymous mutations, in contrast to nonsynonymous mutations, do not alter an amino acid sequence, despite the fact that they are by definition limited to sequences that code for amino acids.
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What was Claire poisoned with?
If Malva is responsible for Claire's illness, the answer can be found in the sixth season of the show's source material, Diana Gabaldon's "A Breath of Snow and Ashes."
According to the story, Malva poisons Claire during the epidemic because she thinks that people will mistakenly think that she has the infectious disease that killed many of the settlers. As soon as Malva discovers she is pregnant, she tries to blame Jamie for it. She attempts a love charm, but it fails. Malva realizes she shouldn't be heading that way while drawing Jamie to her and makes the decision to kill Claire. She gathers blood and mucous from the body of the sin-dead eater and hides it in her attire. When the outbreak causes a large number of settlers to perish, she blends the.
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Scientists are studying cellular respiration in a jungle ecosystem that has plants, animals, and decomposers (which consume dead things). Which group or groups of organisms in the jungle carry out cellular respiration?.
All organisms in the jungle.
Problem 17.7 Calculate the pI of each of the following amino acids: Express your answer using two decimal places. Part A asparagine Part B glycine Part C serine Part D aspartate
The PI of the amino acid asparagine is 5.41, glycine is 5.97, serine is 5.68, and aspartate is 2.77, and the PI of the amino acid indicates that it is the isoelectric point at which the net charge is zero.
What is the isoelectric point of an amino acid?The amino acid contains a carboxylic group and an amino group, and because the amino group and carboxylic group can both give and accept protons and change the charge on the amino acid, the PH at which the net charge on the amino acid is zero or neutral is known as the isoelectric point.
Hence, the PI of the amino acid asparagine is 5.41, glycine is 5.97, serine is 5.68, and aspartate is 2.77, and the PI of the amino acid indicates that it is the isoelectric point at which the net charge is zero.
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If trees are removed and can go no longer contribute to t
The water cycle a decline in precipitation level's in the area can result due to the decrease in atmospheric
If trees are removed and can no longer contribute to the water cycle, a decline in precipitation levels in the area can result due to the decrease in atmospheric oxygen.
What is precipitation?Precipitation is water released from clouds in the form of rain, freezing rain, sleet, snow, or hail. It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth.
Water cycle is a natural cycle of evaporation of water from the oceans etc, and subsequent condensation and precipitation as rain and snow.
Precipitation is a vital component of how water moves through Earth’s water cycle, connecting the ocean, land, and atmosphere.
Forest trees have an equal part in creating rain through the transpiration and evaporation from their leaves.
Trees are known for releasing atmospheric oxygen as a product of photosynthesis, which contributes to the process of transpiration and precipitation in the water cycle.
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Cattleya Orchid Hybrid
-Botanical Name: , Cattleya cv
- Origin: Costa Rica and South America
- Color: Shades of violet, pink, white and yellow
Brazil is home to the indigenous plant species known as the Cattleya orchids. The name of this plant is attributed to horticulturist William Cattley.
who in London received a consignment of this lovely bloom in a fading state and brought it back to life. Cattleya labiata: Also known as the red cattleya or ruby-lipped orchids, this medium-sized species has large, beautiful blooms that are frequently pink, lilac, or white in colour. Cattleya iricolor: This species is distinguished by its long, slender, fragrant flowers with pale yellow or creamy white petals.
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organelle in plants that uses light energy to make glucose in a process called photosynthesis
Correct answer is :- chloroplast
Photosynthesis takes place in a specialized intracellular organelle called the chloroplast in plants and algae, which emerged much later. During the day, chloroplasts carry out photosynthesis. The photosynthetic cells synthesize numerous organic compounds using the direct byproducts of photosynthesis, NADPH and ATP. In plants, a low-molecular-weight sugar (often sucrose) is included in the end products and exported to supply the body's numerous non-photosynthetic cells with the energy they require for metabolism.
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A hernia of the bladder through the vaginal wall is known as:
A hernia of the bladder through the vaginal wall is known as Anterior prolapse (cystocele).
What is hernia?Hernia is described as the bulging of an organ or tissue through an abnormal opening.
A hernia occurs when an organ or fatty tissue squeezes through a weak spot in a surrounding muscle or connective tissue called fascia.
It is know that hernias are caused by a combination of pressure and an opening or weakness of muscle or fascia wherein the pressure pushes an organ or tissue through the opening or weak spot.
This is due to the muscle being weak at birth or later in the life of the individual.
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What are the 5 types of settlement patterns?
The 4 principal varieties of settlements are urban, rural, compact, and dispersed. Urban settlements are densely populated and are typically non-agricultural.
They are referred to as towns or metropolises and are the maximum populated sort of agreement. These settlements absorb the maximum land, resources, and servicesSome examples of agreement styles include, nucleated settlements, linear settlements and dispersed settlements.
Settlements may be everlasting or brief. Temporary Settlement. Settlements which can be occupied for a quick time Eire referred to as brief settlements. Permanent Settlement. Under everlasting settlements, human beings construct houses to stay in.
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Which image represents the person who has a lower level of visceral adiposity?
The woman in red represents the person who has a lower level of visceral adiposity.
Visceral adipose tissue, which makes up a portion of the body's total fat and is hormonally active, has distinct biochemical properties that have an impact on both healthy and unhealthy bodily functions. Visceral obesity is characterised by an abnormally high buildup of visceral adipose tissue.
The building blocks for an increase in visceral fat include a poor diet with a high intake of fatty foods and carbohydrates (sugars) and a sedentary lifestyle. But stress also plays a role. The hormone cortisol is activated by stress in the body.
Complete question:
Which image represents the person who has a higher level of visceral adiposity?
a. Woman in red
b. Woman in green
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human interference with the reproduction of another species, with the result that specific plants and animals become more useful to people while also becoming increasingly dependent on them to survive is called:
The human interference with the reproduction of another species, with the result that specific plants and animals become more useful is called as domestication.
It is an evolutionary method with the aid of using which animals are artificially decided on and go through massive phenotypic behavioral and physiological alterations (Trut et al., 2009). These variations happened on the identical time in numerous areas with a excellent effect on human societies (Neolithization) (Vigne, 2011).
They are genetically awesome from their wild ancestors or cousins. Animal domestication falls into 3 foremost groupings: domestication for companionship (puppies and cats), animals farmed for food (sheep, cows, pigs, turkeys, etc.), and running or draft animals (horses, donkeys, , 2011).
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paronychia is caused by a _____ infection.
Infectious paronychia most frequently occurs from a staph infection. Staph infections are brought on by Staphylococcus aureus bacteria.
The illness can also be brought on by other bacteria, like Streptococcus pyogenes.
Bacteria infect the skin by way of:
cuts, skin breaks, or hangnailsenlarged nails (this happens most often with ingrown toenails).irritation caused by chemicals or water.injury to the cuticle or nailbed. Accidents, nail-biting, or getting regular manicures and pedicures can all cause trauma.Your doctor will examine you physically and inquire about your problems. Typically, a nail infection can be diagnosed without the need for tests by healthcare professionals. Sometimes medical professionals will take a tissue sample and send it to a lab to be examined for particular infectious reasons like bacteria or fungi.
Rarely, if the infection is severe, imaging tests (such an X-ray) may be prescribed to look for bone involvement.
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How are proteins made using information from RNA?
In order to bind tRNA molecules bound to amino acids, ribosomal subunits form a sandwich-like structure on the strand of mRNA during translation (circles). The ribosome converts the decoded mRNA sequence into a polypeptide, or new protein, which is composed of a lengthy chain of amino acids.
Where do ribosomes reside?Depending on whether the cell is made up of a plant, animal, or bacterial, ribosomes are mostly found attached to the endoplasmic reticulum and the nuclear envelope, as well as freely dispersed throughout the cytoplasm.
The mRNA is created in the nucleus and then moved to the cytoplasm to be used in the production of proteins. The mRNA polymers are wrapped with the ribosomal subunits in the cytoplasm. The tRNA produces proteins after that. Protein synthesis occurs at ribosomes.
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What is the process of breaking down food for energy called?
Through the process of digestion, the large molecules in the food we eat are broken down into smaller ones that can be used as building blocks or an energy source.
What is digestion, and what does it do?Food is broken down by the digestive system into nutrients like proteins, lipids, and carbs. Once they are taken into the bloodstream, the body can use them for energy, development, and repair.
What is an example of digestion?Based on how food is broken down, digestion, a type of catabolism, is sometimes separated into two processes: mechanical digestion and chemical digestion. When a huge food item is physically broken down into smaller bits so that digestive enzymes may reach them, this process is referred to as mechanical digestion.
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What are 5 chemical sanitizers?
In the food service business, three types of chemical compounds are utilized as sanitizers: chlorine-based cleansers, quaternary ammonium, and iodine sanitizers.
Because it is both extremely effective and reasonably affordable, chlorine is the most often used chemical sanitizing agent.
Sanitation is also accomplished by utilizing chemical substances capable of eliminating disease-causing germs.
Chlorine (bleach), iodine, and quaternary ammonium are common sanitizers. In the food service business, chemical sanitizers have gained universal acceptability.
Chlorine, iodine, and quaternary ammonium are examples of acceptable sanitizers. Chemical sanitizers' efficacy is influenced by a variety of conditions.
In diluted form, quaternary ammonium compounds (QAC) are odorless, colorless, and harmless. They can withstand high temperatures, a wide pH range, and the presence of organic compounds.
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Do tattoos help mental health?
Tattoos can help to unburden your mind and help you heal. People often use tattoos as reminders of their strength, their resiliency, and the fact they're alive.
There is a reason why the phrase "ink therapy" was invented. Tattoos are frequently used to remind people of their strength, resiliency, and the fact that they are alive. You may have been mistreated, damaged, or injured in some manner.
Having a specific symbol or phrase tattooed on you might serve as a daily reminder that you are alive and well. Many people, for example, have begun to acquire semicolon tattoos to symbolize life and the reality that you're still here and trying your best.
On the other hand, even getting a ridiculous tattoo that you find amusing can help. When you're having trouble focusing and life feels overwhelming, getting a tattoo and feeling the agony from the needle might help you focus on one thing. Many of your other concerns will vanish in the process. It's a fantastic stress reliever.
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Which of the following statements best explains Delta’s role in regulating cell communication through the Notch signaling pathway?
answer choices
Delta transmits a chemical signal to all the cells of a developing embryo.
Delta allows the cells of a developing embryo to communicate without making direct contact.
Delta restricts cell communication to short distances within a developing embryo.
Delta determines which cells in a developing embryo express the gene that encodes the Notch protein.
Delta restricts cell communication to short distances within a developing embryo. So, the correct option is (C).
What is Cell communication?Cell communication is also known as cell signaling. It is defined as the ability of a cell to receive, process and transmit signals with its environment and itself. Cell signaling is a fundamental property of all cellular life in prokaryotes and eukaryotes.
There are four basic categories of chemical signaling which is found in multicellular organisms:
1. Paracrine signaling
2. Autocrine signaling
3. Endocrine signaling
4. Signaling by direct contact.
Signals transmitted through the Notch surface receptor have a unique developmental role, whereas Notch signaling links the fate of a cell with that of a cellular neighbor through physical interactions between the Notch receptor and membrane-bound ligands that are expressed in an attractive cell. Delta limits cell communication to short distances within a developing embryo, which explains the role of Delta in regulating cell communication through the Notch signaling pathway.
Thus, Delta restricts cell communication to short distances within a developing embryo. So, the correct option is (C).
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