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melomori [17]
3 years ago
7

Each cell must produce only a subset of the genes that are being expressed. This subset is what differentiates one cell from ano

ther. For example, cancer cells must be expressing one subset of genes when compared to normal cells. Photosynthetic cells in a leaf are expressing different genes from root cells. A 'Norther blot' is used for:_________.
Biology
1 answer:
Tema [17]3 years ago
6 0

The question is incomplete as it does not have the options which are:

A. detection of specific DNA sequences

B. determining the effects of arctic global warming

C. sequencing the individual amino acids of specific proteins.

D. detection of proteins using antibodies as in a home pregnancy test.

E. detection of specific RNA sequences

Answer:

E. detection of specific RNA sequences

Explanation:

The blotting experiment is performed to identify the particular type of molecule in the solution by using the nylon sheet as a blot and then radioactive marker to identify the molecule. The molecules identified by the technique are the RNA, Proteins and DNA.

In the given question, the RNA molecules are formed when the gene is expressed therefore the blotting technique used to identify the different RNA molecules will be the Northern blotting.

Thus, Option-E is correct.

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Can u add a picture?
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2 years ago
What does phosphorus do in the body?
QveST [7]

Answer: Option D

Explanation:

Phosphorus assists in energy metabolism.

It helps in the usage and storage of energy in the body. Also, whenever, phosphorus levels in the blood get too low energy levels tend to drop. This could lead to weakness in the muscles and fatigue

8 0
3 years ago
which one of the plants pictured below was given water mixed with salt, and which one was given pure water? Explain how you know
ludmilkaskok [199]

The plant on the right must have been the one given a saltwater mixture while the one on the left must have been given pure water.

<h3>Osmosis</h3>

Looking at the attached image closely, one would see that the plant on the right has withered leaves while the leaves of the plant on the left seem to be flourishing.

The plant on the right must have been the one fed with water mixed with salt and here is the reason. Adding water mixed with salt to the soil on which the plant grows will decrease the water potential of the soil relative to the water potential of the plant's root. Thus, water will move from the plant into the soil through the root by osmosis. This will cause the various cells of the plant to become flaccid, and hence, the withered leaves.

On the contrary, the plant on the left must have been fed with pure water. Feeding the soil with pure water will increase the water potential of the soil relative to the water potential of the plant's root. Thus, water will move from the soil into the plant through the root by osmosis. This will cause the various cells of the plant to become turgid, and hence, the flourishing leaves.

More on osmosis can befound here: brainly.com/question/21395644

#SPJ1

3 0
1 year ago
1. How do flowers help plants reproduce?
Molodets [167]

Answer:

B., D., A., A., C., D., D., A., D., C.

Explanation:

7 0
3 years ago
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Of the following choices listed below, which constitutes the greatest percent of global freshwater use?
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Answer:

X, right trigger, left trigger, left bumper, left, left, Y

Explanation:

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