6.Smooth Endoplasmic Reticulum(SER)gives rise to spherososomes/oleosomes,It is peripheral and may be connected to plasmalemma.
Rough Endoplasmic Reticulum(RER) It helps in the formation of lysomes,It is internal and connected with the nuclear envelop.
7.Plant cell walls are composed of cellulose,while fungi cell walls are composed of chitin.
8.answer on question number 6.
9.A gene is basic physical and fundamental unit of heredity.Some genes act as instructions to make molecules called proteins.How ever,many genes do not code for proteins...
It might help you!!!
What is a way to prevent eutrophication?
Answer:
Agricultural fertilizers are one of the main human causes of eutrophication. Fertilizers, used in farming to make soil more fertile, contain nitrogen and phosphorus. The use, or overuse, of fertilizers can cause these nutrients to runoff of the farmer's field and enter waterways. Eutrophication can have serious effects, like algal blooms that block light from getting into the water and harm the plants and animals that need it. If there's enough overgrowth of algae, it can prevent oxygen from getting into the water, making it hypoxic and creating a dead zone where no organisms can survive.
The following is a list of methods that can be used to control eutrophication:
planting vegetation along streambeds to slow erosion and absorb nutrients.
controlling application amount and timing of fertilizer.
controlling runoff from feedlots.
The best, easiest, and most efficient way to prevent eutrophication is by preventing excess nutrients from reaching water bodies. This can be done in a number of ways, the simplest of which is just being aware of the chemicals and fertilizers that we are using.
Which of the following is not an outcome for children who are food insecure?
A. Iron defeciency
B. Delayed cognitive development
C. Increased energy
Answer:
B.
Explanation:
hope it help
plss brainlys me
Delayed cognitive development.
Intellectual disability is a term used when a person has certain limitations in mental functioning and in skills such as communicating, taking care of him or herself, and social skills.What is cognitive development?Cognitive development is how a person perceives, thinks, and gains understanding of their world through the relations of genetic and learning factors. There are four stages to cognitive information development.They are:-
Reasoning,Intelligence,Language, Memory.To know more about development here
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Fill in the blanks (dilution)
3. The evolutionary pathways of ten different species are represented in the diagram below.
E
D
F
Time
G
Н,
B
Which two species are the most closely related?
A and F
G and
E and I
C and D
Answer:
C
Explanation:
when counting the number of organisms that differentiate between e and I, this answer gives the smallest number of organisms
Describe a solution that provides freshwater by accessing it as it exists in nature. pls help
Scientists have observed many close similarities in the DNA sequences of whales and dolphins. This observation is evidence of which idea?
Dolphins, porpoises, and whales all are in the group of marine animals known as cetaceans. Scientists saw many close similarities in the DNA sequences of whales and dolphins. This observation is proof of whales and dolphins both evolved from a relatively recent common ancestor.
What is cetaceans?Cetacean are members of an aquatic group of mammals commonly known as whales, dolphins, and porpoises.
The ancient Greeks stated that cetaceans can breathe air, give birth to live young, produce milk, and have hair. These are all features of mammals.
As the scientist observed the close similarities in the DNA sequences of both the whales and the dolphins. This shows the proof that whales and dolphins both evolved from a relatively recent common ancestor.
Thus, this is the evidence to reveal the reason behind the similarities in DNA sequences in whale and dolphin.
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Question 20 of 34 Which of the following do all living things share? O A. All living things are made of the same elements. O B. All living things think. ОО C. All living things breathe oxygen. O D. All living things move.
Answer:
All living things think.
Explanation:
all living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
Explain if you are bothered by working conditions at Foxconn plants. Do you worry that the production of a phone might have contributed to a death of a worker
Answer:
Yes.
Explanation:
Yes, I am bothered by working conditions at Foxconn plants and do worry about the production of a phone that might have contributed to a death of a worker. If the working conditions are not satisfactory and the life of the worker are in danger so I worry about the lives of workers that work at Foxconn plants because of unsafe condition of work and stop the workers from working until safety measures should be implemented.
A partly full paint can has 2.75 liters of paint left in it. What is volume of the paint in cubic
centimeters?
(3)
A) 2.75 x 10-3 cm3
C) 275 x 10-3 cm3
E) 27.5 x 103 cm3
B)
2.75 cm
D)
2.75 x 103 cm
Answer:
2.75 x 10³ cm³
Explanation:
Volume can be measured in both liters (L) and cubic centimeters (cm³), however,
1 liter = 1000cm³
According to this question, a partly full paint has 2.75 liters of paint left in it.
Since 1 liter = 1000cm³
2.75 liters = 2.75 × 1000
2.75 × 10³ cm³ is left.
What is an example of a symbiotic organism?
Answer:
The symbiotic relationship between an anemone (Heteractis magnifica) and a clownfish (Amphiron ocellaris) is a classic example of two organisms benefiting the other; the anemone provides the clownfish with protection and shelter, while the clownfish provides the anemone nutrients in the form of waste while also scaring
Explanation:
I asked the same question
describe how insect pollinated flower are adampted to pollination
Answer:
Pollen grains are also adapted for insect pollination. Some pollen grains are hairy or spiky, and others are sticky, so they attach to the insect. The anthers dangle in the breeze, and the pollen is blown away. The pollen grains are very small and light so they are easily carried on the wind.
Explanation:
hope it helps
Imagine the CCA added to the 3' end of the tRNA consisted of DNA nucleotides. It (WOULD/WOULD NOT) be possible to connect an amino acid to this tRNA. Explain.
Answer:
The correct answer is - it would because both DNA and RNA have 3' OH.
Explanation:
Ammino acid will connect to the tRNA due to the fact that the process of aminoacylation of tRNA when DNA nucleotide is used will perform or act same the mechanism of Class II aminoacyl tRNA synthetase as both DNA and tRNA have 3'OH. This will get the help of 3'OH in the CCA to bond with charged amino acid.
Thus, the correct answer would be - it would because both DNA and RNA have 3' OH.
The organ that controls your internal clock is called...
Answer:
The circadian biological clock is controlled by a part of the brain called the Suprachiasmatic Nucleus
Explanation:
That should be right
Botanists might study the behavior of a school of fish in the presence of a tiger shark. True or false
Answer:
false...
Explanation:
botanists study about plants
Please help!!
Why doesn't cloud formation take
place until the dew-point temperature is
reached?
Answer:
Clouds form when air reaches its dew point, the temperature when the air is saturated. This can happen in two ways. First, the air temperature can stay the same while the humidity increases. This is common in locations that are warm and humid.
Explanation:
Answer: The moisture in the cloud affects the weather.
Explanation:
thats why
What is the meaning of botany?
Answer:
the scientific study of the physiology, structure, ecology, classification, and economic importance of plants.
Which of the following best explains why the Galápagos islands are still used for evolution research today?
A) The diversity in environments on each island provides many opportunities to study how related organisms
have adapted over time.
B) The species diversity on the islands is one of the largest in the world, allowing for many examples of
evolution
C) The islands are easy to access from the mainland, and the climate is particularly well suited for research all
year long
D) Most species found on the islands are only found in this geographic area, which allows researchers to easily
isolate their studies.
The following best explains why the Galápagos islands are still used for evolution research today most species found on the islands are only found in this geographic area, which allows researchers to easily isolate their studies.
Galápagos are a extraordinary vicinity to observe evolution, still, because, remarkably, numerous islands and their population are near being withinside the completely herbal state, with very little have an impact on of human activities,” says the evolutionary biologist and Princeton University professor emeritus Peter Grant.
What is unique of Galápagos islands?Six hundred miles off the coast of Ecuador lie the volcanic islands of the Galápagos, well-known for a wealth of particular flora and animals discovered nowhere else withinside the world. The Galápagos Islands have been the supply of Darwin's concept of evolution and stay a valuable residing laboratory for scientists today.
Thus it is well explained.
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Help!!! This question is nowhere in the internet!
Answer:
chargaff's rule: a=t g=c
(a+t)+(c+g)= 100
(23+23)+(x) = 100
46+x = 100
x = 54
x/2 = 27
the answer is 27%
Why do we have to get the flu shot every year ?
Answer:
Because flu viruses evolve so quickly, last year's vaccine may not protect you from this year's viruses. New flu vaccines are released every year to keep up with rapidly adapting flu viruses.
Which of these is true for a fertilized egg?
O A. It has DNA from both parents.
B. It has a haploid number of chromosomes.
O C. It has DNA but no chromosomes.
.
D. It has too many chromosomes until it splits.
Answer:
A. DNA from both parents
Explanation:
without DNA there would not be fertility at all or any similarities with the parents
8. Why are the proteins produced by a GMO crop monitored and evaluated? O A. To determine whether the organism will cause an allergic reaction O B. To evaluate whether the Bt toxin is produced O C. To measure hormones present in dairy products O D. To examine the need for additional fertilizers
Answer:
C. To evaluate whether the Bt toxin is produced
Explanation:
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To determine whether the organism will cause an allergic reaction.
Proteins have roles as toxins, anti nutrients, or allergens, which have great impact on human health.What is GMO?A genetically modified organism (GMO) is an animal, plant, or microbe whose DNA has been altered using genetic engineering techniques.Bio fortified GM crops have been adopted, increasing micronutrient availability.GMO foods are as healthful and safe to eat as their non-GMO counterparts.Genetically modified organisms (GMOs) are produced using scientific methods that include recombinant DNA technology and reproductive cloning.To know more about GMO here
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The base of the flower where it is attached to the rest of the plant is the:
1)pistil
2)receptacle
3)fruit
Answer:
The base of the flower where it is attached to the rest of the plant is the:Receptacle
Peduncle: The stalk of a flower. Receptacle: The part of a flower stalk where the parts of the flower are attached.
Explanation:
Flowers may be directly attached to the plant at their base (sessile—the supporting stalk or stem is highly reduced or absent). The stem or stalk subtending a flower is called a peduncle.
Answer:
receptacle
Explanation:
it is that part of the flower to which the stalk is attached to.it is small and found at the centre of the base of the flower
Mutations cause changes in _____.
A) elements
B) proteins
C) compounds
D)essential nutrients
Answer: A
Explanation:
Biological concepts began with the Greeks,romans,Egyptians, or Americans?
Answer:
Egyptians
Explanation:
The earliest of roots of science, which included medicine, can be traced to ancient Egypt and Mesopotamia in around 3000 to 1200 BCE.[14][15] Their contributions later entered and shaped Greek natural philosophy of classical antiquity
what defies a species?
Answer:
their color, their size, their life I guess
The DNA template strand of a gene near a promoter reads 5'-TAGAACGCCTCGAAATTTCATACT-3' The amino terminus of the encoded protein whose translation starts in this region is:
Answer:
The N-terminal aminoacid is Metionin.
Explanation:
Before answering the question, let us remember the meaning of the term amino terminus. Terminus refers to the extremes of the polypeptide. During translation, rRNA and tRNA read mRNA in 5´ to 3´ direction. The first extreme to be translated carries the amino-terminal group, while the other extreme carries the carboxy-terminus group.
Conventionally, proteins are written from left to right, beginning by the N-terminal extreme carrying the free amine group, and ending by the C-terminal extreme carrying the carboxyl free group. However, we need to know that the free amine group actually places at the end of a protein.
Transcription:
Transcription occurs in the nucleus where the template DNI strand is read in direction 3´→ 5´ to build the mRNA molecule in direction 5´→ 3´.
template DNI strand ⇒ 5'-TAGAACGCCTCGAAATTTCATACT-3'
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Translation:
Translation occurs in the cytoplasm. rRNA and tRNA read mRNA in the direction 5´→ 3´ to build the protein.
Protein synthesis initiates in the AUG start codon -Metionin-, and ends when reaching either of the stop codons UAA, UAG, UGA.
The first portion of mRNA is not read nor translated. This is the untranslated region (UTR), placed before the strat codon.
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Remember that transcription occurs from 5´ to 3´ extremes, so we need to read the codons in this direction too, beginning on the 5´ extreme.
First, we need to find the initiation codon: AUG coding for Metionin.
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Met
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Lys Met
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Phe Lys Met
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Arg Phe Lys Met
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Gly Arg Phe Lys Met
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Val Gly Arg Phe Lys Met
mRNA ⇒ 3´-AUCUUGCGGUGCUUUAAAGUAUGA- 5´
Leu Val Gly Arg Phe Lys Met
The N-terminal aminoacid is then Metionin.
What are the parts of the chloroplast? What does each part do?
According to Lamarck, the
characteristics of organisms changed
because of:
A. extinction of competitors
B. a desire or need for that trait
C. special acts of creation
D. genetic mutation
E. chance
Answer:
Maybe..........B?.............
Explanation:
How much stronger is a magnitude 8 earthquake than a magnitude 5 earthquake?
A. 1000
B. 30
C. 3
D. 10
Answer:
A. 1000
Explanation:
The Richter scale is a scale of numbers used to measure the magnitude of an earthquake, which is based on the size of its seismic waves. This scale indicates a number to quantify the total seismic energy released by an earthquake. The Richter magnitude scale is a base-10 logarithmic scale, thereby a difference of one (1) point in the scale of magnitude corresponds to a 10-fold increase in amplitude. For example, based on the Richter scale, a magnitude-8 earthquake is 100 times greater than a magnitude-6 and 1000 times greater in amplitude than a magnitude-5.
Which of the following statements about the use of synthetic polynucleotides in cracking the genetic code is true?
a) Particular codons are generated in predictable ratios with random RNA polymers containing specific ratios of different nucleotides.
b) Poly(A) RNA directs the synthesis of only polylysine in vitro.
c) Three different amino acids are incorporated into peptides when synthetic polymers of only one nucleotide are used to synthesize the RNA primer.
d) The codon table was completed by using RNA polymers of defined sequences.
Answer:
a) Particular codons are generated in predictable ratios with random RNA polymers containing specific ratios of different nucleotides.
b) Poly(A) RNA directs the synthesis of only polylysine in vitro.
d) The codon table was completed by using RNA polymers of defined sequences.
Explanation:
A polynucleotide molecule is defined as the biopolymer which is composed of thirteen nucleotide monomers or more monomers which is covalently bonded in the chain.
While using the synthetic polyneuclitide in the cracking of the genetic code, the translation of a [tex]\text{poly(A) RNA tail}[/tex] that results in synthesis of the poly-lysine in the lab.
Some of the particular codons are produced by some specific ratios of a different nucleotides. This can be present in the different RNA polymers. Codon table includes the RNA polymers that contains nucleotides in some specific ratios.
Thus, the options (a), (b) and (d) are correct.