The relationship among genes, DNA, and traits can be defined as, Traits are determined by genes, which are composed of DNA.
A trait is a phenotype that is expressed in the individual. Genes are segments of DNA that are responsible for the expression of a particular phenotype or physical characteristic. Genes code for protein through RNA resulting in the expression of a character.
DNA is the genetic material that has coding and non-coding part. The coding sequence is also referred to as the gene. The coding part of DNA undergoes translation resulting in the formation of RNA, then RNA undergoes translation to form protein and the protein is expressed as a trait.
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biology homework 8 questions.
Facilitated diffusion is a sort of passive transport that permits the movement of specific molecules.
Diffusion of solutes through transport proteins within the plasma film is alluded to as encouraged diffusion. Passive transport could be a subset of encouraged diffusion.
Because the arrangement is traveling down the concentration angle, helped dissemination is still detached transport indeed when it joins transport proteins.
Passive transport incorporates both supported dissemination and basic diffusion. They transport compounds from a high-concentration zone to a low-concentration area.
The previous, in any case, varies from the last mentioned within how particles pass the membrane. Membrane proteins are required for encouraging dissemination to move natural particles.
Facilitated diffusion is the method of unconstrained active transport of atoms or particles over an organic film using particular transmembrane fundamental proteins.
So, facilitated diffusion is the detached development of atoms along the concentration angle. It could be a specific handle, i.e., the layer permits as it were particular particles and particles to pass through it.
It, in any case, avoids other atoms from passing through the membrane. Molecules or particles over an organic film using particular a transmembrane necessarily proteins.
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What’s the correct answer answer asap for brainlist
Answer: it would be A
Explanation: The Krebs cycle uses pyruvic acid formed in glycolysis
-Which of the following statements about DNA replication is true?
a. Dna plymerases can add new DNA nucleotides only to the 5' end of an existing strand
b. The DNA strand that grows away from the replication fork is synthesized continuously from one initial primer
c. The DNA strand that grows toward the replication fork is synthesized discontinuously in short pieces called Okazaki fragments
d. DNA polymerases cannot initiate synthesis of a new DNA strand; they can only add bases to an existing strand.
-In eukaryotes, the mismatch repair mechanism is initiated by?
a. methylated DNA strand
b. acetylated DNA strand
c. strand specific nicks
d. double-strand breaks
Please help!!
The statement DNA polymerases cannot initiate synthesis of a new DNA strand; they can only add bases to an existing strand is TRUE about DNA replication while the mismatch repair mechanism is initiated by strand-specific nicks.
What are DNA polymerases?DNA polymerases are specific enzymes that add nucleotides during the semiconservative replication of DNA, which involves the synthesis of a new DNA strand for each daughter DNA molecule.
Moreover, the mismatch repair mechanism refers to the pairing between nucleotide sequences other in DNA and double stranded RNA (dsRNA) is initiated by strand-specific nicks in order to repair a given nucleotide sequence.
Therefore, with this data, we can see that DNA polymerases are essential enzymes used by the cell in order to synthesize a DNA strand during the process of semi-conservative DNA replication, which occurs before the process of cell division and may involve mismatch repair mechanisms.
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Select all of the following of how organisms respond to external stimuli
An organism responds to external stimuli because of sensitivity.
Why do organisms respond to external stimuli?External stimuli are the number of factors present outside of the body that absorb by receptors and will lead to a response. External stimuli are temperature changes, vision, hearing, tasting, smelling, and sunlight for plants. Organisms respond to external stimuli to maintain homeostasis. Each organism has its range of sufferance. When an environmental condition (such as temperature) goes above or below an organism's optimal range, the organism experiences stress and responds to the stimulus. For example, external stimuli Plants grow towards light(external stimuli) sources, and if the direction of light is changed, the plant will also change its direction of growth to accommodate for survival.
So we can conclude that external stimuli are your body responding to medicine. Internal stimuli are your vital signs changing due to a change in the body.
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Plants are incredible organisms. In fact, if humans stopped existing, they would still be able to survive. Plants are able to perform a valuable process known as [A]. This important process requires certain molecules like [B] and [C] (alphabetical). These molecules, along with [D] are able to make special molecules for themselves and other organisms. The molecules made by plants are [E] which humans use to breath and [F] which is used for food. Plants make their own food, which sometimes is stored in the plant for later use in the form of [G], large complex molecules. These molecules allow for growth of the plant. It is often though that water and soil contribute to the mass of the plant, but it is the molecules of [H] that are in the air and contribute to the growth and size of the plant.
Choose: Photosynthesis, Oxygen, CO2, Water, Sunlight, Cellulose, Gluclose.
Answer:
A: Photosynthesis
B: CO2
C: Water
D: Sunlight
E: Oxygen
F: Glucose
G: Cellulose
H: CO2
Explanation:
Which of the following partial reinforcement schedules applies a reinforce after a specific number of correct responses?
Question 9 options:
Fixed-ratio schedules
Variable-interval schedules
Variable-ration schedules
Fixed-interval schedules
Variable-ration schedules is reinforcement schedule where appropriate movements are reinforced after a varying number of responses.
Partial reinforcement schedules is defined as either fixed or variable, and as either interval or ratio. Combinations of these four rubric produces four kinds of partial reinforcement schedules these are fixed-ratio, fixed-interval, variable-ratio and variable-interval.
A variable ratio schedule means that the reinforcer is delivered after an average number of correct responses has occurred. This schedule creates a very high rate of response. some examples are Gambling and lottery games.
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what problems existed in the gilded age
poverty, unemployment, and corruption.
Which major organic compound can both form muscle tissue
and protect the body from antigens?
Answer:
Antibodies
Explanation:
The major compound that can form muscle tissue and protect the body from antigens is protein.
What are proteins?Muscles, bones, skin, hair, and virtually all other human organs and tissues include protein. It serves as the foundation for enzymes, which fuel numerous chemical reactions, as well as hemoglobin, which carries oxygen in your blood.The twenty-plus fundamental building blocks of protein are known as amino acids. Our bodies manufacture amino acids in one of two ways since we are unable to store them: either from scratch or by altering other amino acids. Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are some of the necessary amino acids that must be absorbed from the diet. Proteins are essential for carrying out complicated activities as well as for the synthesis and renewal of DNA. Proteins called enzymes to help break down food. Numerous hormones that aid in maintaining the balance of the body's constituent parts are linked to the production of proteins. Cells communicate with one another and with the outside world using surface receptors. Proteins make up these receptors.The immune system uses antibodies, which are proteins found in the body, to mend and heal the body after foreign infections have been introduced. Proteins that enable communication between cells and organs.To learn more about protein, refer to
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Which of the followingstatementsis true about the LargeGround Finch and theWoodpecker Finch?A. They are similarenough that their niches overlap, causingthem to competefor mostresources.B. Their beaks are adapted to different food sources,SO their niches will compete.C. They are different species,therefore their niches do not overlap and they do notcompete.D. Their beaks are adapted todifferent food sources, sotheir niches generally do notcompete.
The true statement about the Large Ground Finch and the Woodpecker Finch is: Their beaks are adapted to different food sources, so their niches generally do not compete.
They are different species, but this isn't enough for them to avoid competition, they don't compete because their niches are different enough, as their peaks have been adapted to different food sources.
The correct answer is option D.
HELP ASAP!!!!
Which term is used to describe a
change in a population's allele
frequency as a result of
individuals moving into and out of
the population?
A. Succession
B. Natural Selection
C. Gene Flow
Answer:
Its The Gene Flow
Explanation:
Gene flow refers to the transfer of genetic material, specifically alleles, from one population to another through the movement of individuals. The correct option is C.
Gene flow occurs when individuals migrate or move between different populations, bringing their genetic variation with them.
When individuals migrate into a population, they introduce new alleles, potentially increasing the genetic diversity of the population.
When individuals emigrate from a population, they take their alleles with them, resulting in a loss of genetic diversity in the population they leave behind.
It can introduce new alleles that may provide adaptive advantages, enhance genetic variation, or counteract the effects of genetic drift.
It also has the potential to spread beneficial alleles throughout populations, improving their adaptive potential.
Thus, the correct option is C.
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The carbon backbone of organic molecules can take on many shapes. How does this
affect the diversity of organic molecules? PLEASE HURRY
Carbon atoms are connected in long chains by covalent bonds, which form the skeletal framework for organic molecules.
What is carbon backbone?Carbon skeleton is also known as carbon backbone. All organic compounds are made up of carbon-carbon bonds, which form a carbon skeleton or backbone. The carbon atom has special effects that allow it to form covalent bonds with up to four additional atoms, making it excellent for use as the basic structural component, or "backbone," of macromolecules. This carbon backbone is made up of chains and/or rings of carbon atoms with the addition of an element such as nitrogen or oxygen on occasion. Substituted hydrocarbons are molecules with other elements in their carbon backbone. The term carbon skeleton refers to the pattern in which carbon atoms are bonded together in a molecule, ignoring other atoms and differences between single and multiple bonds.
Therefore,
Carbon atoms are connected in long chains by covalent bonds, which form the skeletal framework for organic molecules.
These carbon skeletons can differ in several ways, including: -length -shape -number and location of double bonds -other elements covalently bonded to available sites
The diversity of carbon skeletons adds to the complexity and diversity of organic molecules..."
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Determine how many valence electrons come from each subshell in the following atoms:
Answer: I took this to mean that the question is asking how many v.e. are being contributed by O and P. So O has 6 valence electrons (it is in group 6), and 6*4 is 24. A total of 24 valence electrons. Similar method for P would give 5v.e. How does Kaplan get 10 for P and 8 for O?
Explanation:
Select the word or phrase that best completes each of the following sentences about healthcare-associated infections. is a lung infection that occurs when bacteria enter the lungs through a ventilator or other equipment being used to help a patient breathe. A is any inanimate object, such as a doorknob or food, that is capable of spreading infection. can occur when bacteria or viruses enter the bloodstream through devices such as the catheters used to take blood or give fluids. Urinary tract infections can occur when enter(s) the urinary tract through a catheter being used to drain urine from a patient’s body.
Ventilator-associated pneumonia is a lung infection that occurs when bacteria enter the lungs through a ventilator or other equipment being used to help a patient breathe. Fomite is any inanimate object, such as a doorknob or food, that is capable of spreading infection. Catheter-associated bloodstream infection (CLABSIs) can occur when bacteria or viruses enter the bloodstream through devices such as the catheters used to take blood or give fluids. While, Urinary tract infections (UTIs) can occur when infection enter(s) the urinary tract through a catheter being used to drain urine from a patient’s body.
What are these healthcare-associated infections?
Ventilator-associated pneumonia happens when bacteria enter the lungs through a machine that is used to help a patient breathe. This bacteria enters through the tube placed in a patient’s mouth or nose.
Fomites are objects that are non-living such as door handles, bowls, water taps, and so on, that have the capacity to transfer pathogens deposited by the infected host into a healthy host.
Catheter-associated bloodstream infection (CLABSIs) occurs when the bloodstream is infected with bacteremia originating from an intravenous catheter.
Urinary tract infections (UTIs) occur when bacteria enters the bladder or kidney through catheter.
In summary, Ventilator-associated pneumonia, fomite, catheter-associated bloodstream infection (CLABSIs), and urinary tract infections (UTIs) are the four word or phrase that best completes the healthcare-associated infections raised in the question.
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Hi can someone please help describe this object that was viewed under high magnification
Explanation:
The cells on the skin of a body.
The given image shows the brain cells stained with pink colour with small dotted cells scattered around observed under high magnification.
Before brain tissue can be observed under a microscope, it must be thoroughly dyed with chemicals, thinly sliced, and studied under an electron microscope, where slices that resemble thin plates coated in microscopic soap bubbles are visible to researchers. The soap-bubble boundary indicates where one neuron ends and another begins, and some bubbles serve as the cross-section of a neuron.
However, there are issues with this type of imaging: the staining frequently does not reveal enough structure, the slices may be twisted, and the images may be hazy.
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What effect would an absence of oxygen have on the electron transport chain / ATP synthase system?
If there were no oxygen present on the electron transport chain, the electrons could not be removed from the system, and the entire electron transport chain would back up and stop.
What is electron transport chain?
The electron transport chain can be described as a series of protein complexes and other molecules that transfer electrons from electron donors to electron acceptors via redox reactions and couples this electron transfer with the transfer of protons across a membrane.
The electron transport chain produces the adenosine triphosphate which is the main cellular energy. If there were no oxygen present on the electron transport chain he entire electron transport chain would back up and stop.
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California has had to provide tight restrictions on homes and businesses" water use. What could happen that would limit the availability of clean fresh water in South Florida?
Mandatory water restrictions were issued by the California State Water Resources Control Board for 2022, which will have a variety of effects on the state as well as individuals and companies in the Sacramento region.
California's primary sources of fresh water are two.
1) Ground water: This water source is found at a certain depth inside the earth. This water is retrieved in California by pumping it through a machine.
2) Surface water: This water includes lakes, rivers, and other water bodies that flow from a mountainous area to a lower region. When snow melts in California's mountainous regions, large reservoirs and dams are built to store the water until it is needed.
What water restrictions are necessary in California?
As the drought continues and the hotter summer months draw near, California Governor Gavin Newsom warned to impose mandatory water restrictions in Southern California with steep fines if residents don't use less on their own. On June 1st, 2022, new water limitations will be imposed on companies and residents.
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7. Cell walls do a number of important things for plants including
providing them with structural support, putting a limit on the amount
of water they absorb and release, as well as providing general
protection for the cell. But if cell walls are so useful, why don't any
animal cells have them?
Help please thank you!!
Answer:
four non metals are÷
Argon
Bromine
Hydrogen
sulfur
Help please thank you!!
Ice cubs is faster heating in a stove than the microwave .Ice cubes melt almost immediately when heated directly.The ice cubes will instantly melt if you put them adjacent to lighted matches, use a hot stove, or use a lighter.
Why does ice cubes melt?
The velocity of the water molecules in the ice increases as energy is delivered to them.The ice melts as a result of the molecules' increased velocity, which is strong enough to resist the pull of the water molecules toward one another. Ice does melt in the microwave, but not as quickly as one might anticipate from a device that can quickly prepare meals.The majority of people do not believe that ice will melt in a microwave, The water molecules turn to line up with the microwaves' alternating electric field.The water heats up as they fast spin back and forth.The water molecules are fixed in place by the ice.They cannot rotate back and forth, therefore the microwaves cannot be converted into heat. according to magician and science enthusiast Jason Latimer.Before microwaving, place the ice cube and cover on top to generate steam that will allow the food to reheat completely.By adding the ice cube to the bowl, you give the microwave something to heat, and the steam is then distributed throughout the food, preventing leftovers from remaining cold.The water heats up as they fast spin back and forth.The water molecules are fixed in place by the ice.They cannot rotate back and forth, therefore the microwaves cannot be converted into heat. Ice is a solid form of water.The ice transforms into liquid water when heat (a type of energy) is introduced.0°C, the melting point, has been attained.Water will become water vapour, or water in its gaseous condition, if heat is applied indefinitely. You might assume intuitively that hot water always melts ice more quickly than cooler water, but this isn't always the case.See what happens if you drop a few ice cubes into warm water and then submerge a few more in frigid water.Warning: the cold tap will cause the ice to melt more quicklyThe water will begin to boil where it contacts the hot pan while it sits there.The best way to demonstrate it is to heat the skillet up till water touches it begins to boil.In reality, the steam will cause the ice to float just millimeters over the pan's bottom.
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If you had an unknown microbe, what steps would you take to determine what type of microbe (e.g., fungi, bacteria, virus) it is? Are there particular characteristics you would search for? Explain.
The steps which would be taken to determine what type of microbe (e.g., fungi, bacteria, virus) is by using microscopy techniques.
What is a Microbe?This is referred to as the tiny and small organisms which are present in the earth and can't be seen with eyes except through the assistance of a microscope such as light microscope etc.
The microscope functions by enlarging the object or cell being studied and ensures that different structures are seen. For example the virus has capsids which differentiates it from other microbes present in nature thereby making it the correct choice in this scenario.
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You compare two strands of mtDNA and discover that there are 3 differences in base pairs between them. Assuming that the mutation rate for the species that you are examining is 1 mutation every 20,000 years, how long ago did the two strands share a common ancestor? Write your answer in xxx,xxx format.
These two strands shared a common ancestor _____________ years ago.
pls need the help
The two strands of the DNA share a common ancestor before 60,000 years ago.
Given here that the mutation rate is 1 in every 20,000 years. So it takes 20000 years to take single mutation.
Thus , the third mutation can occur 3×20000 years = 60,000years.
A mutation is a change to an organism’s DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations. Our cells are constantly undergoing mutations, yet very few of these have any negative effects on our health.
There are numerous explanations for why mutations typically don’t have significant effects. The majority of mutations occur in somatic cells, such as muscle or skin cells, and only have an impact on the cell in which they originate and cells that develop from that cell.
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The endocrine system’s hormones are ____ messengers that travel through the ____
A. Chemical;Body’s organs
B. Electrical; bloodstream
C. Electrical; neural networks
D. Chemical; bloodstream
Answer: D) Chemical; bloodstream.
Explanation:
- Honestly I don’t know how to explain this besides the fact that it’s just how the system works
but hope this helps :)
what ingredients in fecal matter help with the growth of aquatic plants and algae?
Feces in the aquatic environment can be direct linked to the growth of some aquatic plants and algae because it enrich the soil of the river/lake for the aquatic plants populations. The fecal matter is rich in some inorganic components that are important for the vegetal growth, and that are useful to maintain a balance in the bacteria and decomposers in the aquatic environment. Phosphate, Nitrogen, and Ammonia are the most common elements responsible for the plants growth in this situation.
Write a narrative that describes a “Magic school bus” journey from the smallest level of biological organization to the largest. (atom to biosphere). Describe the types of molecules and substances that the character would encounter along the way. go from atom, organelle, cell, tissues, organs/organ system, organisms/populations/communites, ecosystem, to biosphere.
Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The atom is the smallest and most fundamental unit of matter. It consists of a nucleus surrounded by electrons. Atoms form molecules which are chemical structures consisting of at least two atoms held together by one or more chemical bonds. Many molecules that are biologically important are macromolecules, large molecules that are typically formed by polymerization.
In larger organisms, cells combine to make tissues, which are groups of similar cells carrying out similar or related functions. Organs are collections of tissues grouped together performing a common function. Organs are present not only in animals but also in plants. An organ system is a higher level of organization that consists of functionally related organs. Mammals have many organ systems. For instance, the circulatory system transports blood through the body and to and from the lungs; it includes organs such as the heart and blood vessels. Furthermore, organisms are individual living entities. For example, each tree in a forest is an organism. Single-celled prokaryotes and single-celled eukaryotes are also considered organisms and are typically referred to as microorganisms.
All the individuals of a species living within a specific area are collectively called a population. For example, a forest may include many pine trees. All of these pine trees represent the population of pine trees in this forest. Different populations may live in the same specific area. For example, the forest with pine trees includes populations of flowering plants and also insects and microbial populations. A community is the sum of populations inhabiting a particular area. For instance, all of the trees, flowers, insects, and other populations in a forest form the forest’s community. The forest itself is an ecosystem. An ecosystem consists of all the living things in a particular area together with the abiotic, non-living parts of that environment such as nitrogen in the soil or rainwater. At the highest level of organization, the biosphere is the collection of all ecosystems, and it represents the zones of life on earth. It includes land, water, and even the atmosphere to a certain extent. Taken together, all of these levels comprise the biological levels of the organization, which range from organelles to the biosphere.
what is the cytoplasm in a human cell?
According to the diagram, how would the earth, moon, and sun be positioned if the low tide is at its highest for the month?
A
B
C
D
It should be A if the low tide is at its highest for the month.
Which planet is not a gas planet?A. UranusB. JupiterC. VenusD. Neptune
Considering the therminology of ice and gas planet, between the alternatives there is three gas giants from our solar system, that are Uranus , Neptune, and Jupiter, being Saturn the four gas planets in our solar system. Therefore, the option that is not a gas planet is Venus (c).
The membrane of mitochondria contains embedded proteins.
What is the purpose of these proteins?
Responses
facilitate the synthesis of new proteins
facilitate the synthesis of new proteins
bind to nucleotides to form RNA
bind to nucleotides to form , R N A
help in the production of ATP
help in the production of , A T P
help break down organic material
The membrane of mitochondria contains embedded proteins. The purpose of these proteins is to (3) help in the production of ATP.
Mitochondria is a double membranous organ that is involved in the synthesis of energy component ATP. The inner membrane of the organelle is folded into finger like projections called cristae. They increase the surface area of the mitochondria so that more and more ATP can be produced.
ATP is Adenosine Triphosphate. It is a high energy compound. It releases energy when the 2 phosphate bonds of the triphosphate group are broken down. This energy is then used to perform various life processes of the body.
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Which of the following steps in a signaling pathway typically occurs first once a chemical messenger reaches a target cell?
Question:
Solution:
The cells recognize the stimuli (chemical messengers) through receptors. When the receptors bind to the signaling molecules, physiological responses are initiated, and depending on the nature of those physiological responses, the receptor will be a membrane receptor or an intracellular receptor. So, we can conclude that the correct answer is
A LIGAND BINDS TO A RECEPTOR.
PEASE HELP PLEASE!? List and describe the substrates and products of TCA cycle
The components of TCA cycle are acetyl group, oxaloacetic acid, coA, citric acid etc. needed to start and terminate the TCA cycle.
What is TCA cycle and what are the components of TCA cycle?TCA cycle also called as Krebs cycle , called tricaboxylic acid, have certain amounts of water and acetyl co enzyme A to initiate.In the initiation the water and acetyle coA reacts and yields an appreciable amount of citric acid.This reaction is catalysed by enzyme citrate synthatase and a molecule of coA is released.Then the next step is isomerisation that is citrate is isomerised to isocitrate a substrate.Then comes decarbocylation, formed alfa ketoglutaric acid and then succinyl coA which is oxidised to OAA.To know more about TCA cycle:
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