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Cloud [144]
2 years ago
15

Help me with this. Please.

Biology
2 answers:
Temka [501]2 years ago
7 0

Answer:

25%

Explanation:

777dan777 [17]2 years ago
6 0

Answer:

There is a 50% chance on getting a dominant trait

Explanation:

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A tomato plant is mutated with gamma radiation. a cellular analysis reveals that atp synthase complexes found in the thylakoid m
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The outcome of this error would be that the gradient of the proton in the thykaloid space would not be able to be used to produce ATP. This is because the ATP synthase was inserted in a backward position to the membrane which would cause for protons to the build up in the thykaloid space.
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3 years ago
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1)Which of the following is a source of genetic variation
Svetllana [295]

The answer is; B

Mutations change the order of nucleotide and therefore affects codons that code for proteins. A different protein is thus produced from the wild type hence creating variations.  Genetic shuffling in sexual reproduction, also called gene recombination occurs during meiosis and also when different organisms exchange genetic material such as in bacteria.  

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When the waters which once covered Indiana retreated, they left behind a bedrock layer of
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Sedimentary, because of the glaciers that once covered Indiana they lithified which is a part of the rock cycle in the sedimentary division.
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3 years ago
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What is not true regarding fenestrated capillaries?
dangina [55]

The question is incomplete. The complete question is as follows:

Which of the following is not true regarding fenestrated capillaries?

A) Fenestrated capillaries in endocrine organs allow hormones rapid entry into the blood.

B) Fenestrated capillaries in the small intestine receive nutrients from digested food.

C) Fenestrated capillaries are essential for filtration of blood plasma in the kidney.

D) Fenestrated capillaries form the blood-brain barrier.

Answer:

Fenestrated capillaries form the blood-brain barrier.

Explanation:

The fenesterated capillaries are small fine thin capillaries that helps in the exchange of substances. These capillaries are mainly found in the kidney, small intestine and glands.

The fenestrted capillaries allow the exchnage of hormone in the blood and in the kidney for the filtration. The nutrients can be easily exchanged by the capillaries present in the small intestine. The blood brain barrier function is not performed by the fenesterated capillaries. They allows the rapid exchange function and not as the barrier.

Thus, the correct answer is option (D).

8 0
3 years ago
What observations are consistent with the conclusion that DNA serves as the genetic material in eukaryotes? Select the four corr
11111nata11111 [884]

Answer:DNA is shown to be the genetic material in bacteria and some phages.

DNA is shown to be present in mitochondria, chloroplasts and nucleus, where genetic function is performed

Specific genes can be isolated and spliced into bacterial DNA, which can be inserted into a bacterial cell, and then its genetic expression is monitored.

DNA and RNA are found to be the only macromolecules in eukaryotes that consist of a set of subunits which can combine in unique sequence

Explanation:

1. Lipds is another macro molecule with different subnits  of  fatty acids and glycerol,therefore the option ( DNA is found to be the only macro molecule in Eukaryotas that has different sub units) is WRONG.

2 The   correlation of action and absorption spectra varies with different organisms DNA. e..g  in viral cells  there is a wide difference between the absorption and action spectra, that is no correlation, while  some bacterial cells showed correlations. The option(For DNA, content in various cell types action and absorption spectra of ultraviolet light are correlated IS WRONG.

4 0
3 years ago
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