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:

 C. To evaluate whether the Bt toxin is produced

Explanation:

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To determine whether the organism will cause an allergic reaction.

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Fat cells burn energy quickly when other food source is available, so being expandable would help with the rapid burn.

The relationship between the expandability of fat cells and a fat cell's function is ; ( A )  Fat cells store energy for the body to use later, so being expandable would help with storage.

Fat cells specialized for the storage of energy in human body is the Adipose tissue which can expand between 60 to 70% of the weight of the human body in response to changes in the energy balance of the body.

Adipose tissues store energy in form of triglycerides and in order to store more energy for later use the Adipose would need to be expandable to accommodate the required amount of energy.

Hence we can conclude that the relationship between the expandability of fat cells and a fat cells' function is Fat cells store energy for the body to use later, so being expandable would help with storage.

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Answer:

false...

Explanation:

botanists study about plants

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.

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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Answer:

carbon dioxide + water + sunlight + chlorophyll → glucose + oxygen

Explanation:

I hope this helps in any way :)

Answer:

Primary lymphoid organs: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes. Secondary lymphoid organs: These organs include the lymph nodes, the spleen, the tonsils and certain tissue in various mucous membrane layers in the body (for instance in the bowel)

Explanation:

hope this helps

Answer:

C. 22

Explanation:

I just studied this last week

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.

Answer:

[tex]C(t) = C_oe^{-kt}[/tex]

Explanation:

From the given information:

At any given time (t), let c(t) represent the concentration of the drug present in bloodstream.

Deriving the equation:

[tex]\dfrac{dC}{dt}[/tex] decrease proportionally to Concentration C

i.e

[tex]\dfrac{dc}{dt} \alpha - C[/tex]

[tex]\dfrac{dc}{dt} = -k C[/tex]

[tex]\dfrac{dc}{c} = -k dt[/tex]

[tex]\int \dfrac{dc}{c} = -k \int dt[/tex]

㏑(C) = -kt + λ

where,

λ is the integration constant.

Integrating at t = 0, concentration of blood = Co g/mL

C(0) = Co

㏑(C₀) = 0 + λ

λ = ㏑(C₀)

From ㏑(C) = -kt + λ

㏑(C) = -kt + ㏑C₀

㏑(C)  - ㏑C₀ =  -kt

[tex]\dfrac{C}{C_o} = e^{-kt}[/tex]

[tex]C(t) = C_oe^{-kt}[/tex]

∴

The concentration of drug in blood at any time t is:

[tex]C(t) = C_oe^{-kt}[/tex]

Answer:

Maybe..........B?.............

Explanation:

Answer:

c

Explanation:

Answer:

Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points. In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.

Explanation:

Chimpanzee lobes may be smaller than human lobes

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

Answer:

paki sagot po ito hahahaha

Answer:

esophagus

Explanation:

your answer is right

Answer:

esophagus,

Explanation:

You are correct in your original answer.

Answer:

C

Explanation:

So, there are 2 different forms that DNA can be found in.

The more common form, where the DNA is loosly scattered.

There is a less common form, however, only found during cell division, which is a compacted form. The DNA is tighly wound in this case.

In the case of chromosomes, DNA is tightly pakced, and not loose.

Now, do they are do they  not have protiens?

Well, heres another question, how does the DNA get compacted?

It has to wrap around histone protiens.

The logn strands of DNA wrap around many histone protiens, until the full length of DNA has been compacted.

So to answer the question, yes, there are protiens found in chromosomes(specificly histone).

This means the answer must be C, since chrosomes are both tightly bound, and contain protein.

Answer: B, D

Explanation: BrainEList me

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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.

Edited response:

B) Formation of sinkholes

Explanation:

"Groundwater pumping for urban water supply and for irrigation can produce new sinkholes in sinkhole-prone areas"

Answer:

They are able to move water through their bodies through the coordinated beating of flagellated cells that line their pores.

Explanation:

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.

Everything have both positive and negative impacts

Gmos( genetically modified organisms ) are good and dangerous both

if we carefully practice genetic engineering then it is beneficial but if we use it only for our income source without caring about its worst effects then its very dangerous

Answer:

1. Abstain, Be faithful, or, as a last resort, use a Condom. Within a few years, Uganda had developed what researchers call a "social vaccine" against HIV: cultural norms about sexual responsibility, preached in clinics and public schools, as well as churches and mosques.

3.When used correctly every time you have sex, condoms are the best way to prevent sexually transmitted infections such as HIV. They have a very low failure rate and are effective for all forms of sex.

Answer:

Explanation:

Besides, plastids of the root guard cells (GCs) do not differentiate into chloroplasts but function solely as amyloplasts. Root stomata have a short life span. During rapid and intense root growth, GCs cannot keep pace with the elongation of their neighbouring rhizodermal cells

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%