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Agata [3.3K]
3 years ago
14

What is the principle of size exclusion chromatography?​

Biology
1 answer:
Troyanec [42]3 years ago
7 0

Answer:

The underlying principle of SEC is that particles of different sizes elute (filter) through a stationary phase at different rates. This results in the separation of a solution of particles based on size.

hope it helped

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The most important primary producers in marine ecosystems are _____. The most important primary producers in marine ecosystems a
Ket [755]

Answer: Diatoms.

Explanation:

Diatoms are single celled group of algae that are found in aquatic habitat both freshwater and marine habitat. The are the most important primary produce in the marine habitat. They are photosynthetic I .e they have chlorophyll which help them to trap light energy from sunlight and uses carbon dioxide and water to produce food. They produce food with the process of photosynthesis.

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3 years ago
What is skin cancer and how does it occur?
Dafna11 [192]

Answer:

Skin cancer refers to the abnormal activity of skin cells associated with carcinogenesis

Explanation:

This disease is associated with the DNA damage (mutations) often caused by  the irrational exposition to UV sun rays that trigger DNA mutations capable of both inactivating tumor suppresor genes and activating oncogenes

3 0
3 years ago
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Please help 20 points <br><br> 1) TRUE or FALSE Pigments only absorb light.
GenaCL600 [577]

Answer:

Your answer is true

5 0
3 years ago
During a long-distance run on a hot day, an athlete produces large quantities of sweat. As a result, the kidneys change the rate
Anton [14]

Answer:

To regulate water balance in the body

Explanation:

The kidneys are two bean shaped renal organs which perform a host of functions for the body such as regulating fluid balance, filtering minerals from the blood etc. Among their functions is the regulation of water balance in the body through the antidiuretic hormone.

When an athlete completes a physical activity and sweats a lot, the kidney reacts to the loss of water by sweat by adjusting urine output causing the body to produce lower and more concentrated urine.

5 0
3 years ago
Proteins have all of the following properties except enzymes
nevsk [136]

Proteins have all of the properties except genetic material.

<h3>What do you mean by Proteins?</h3>

Proteins may be defined as naturally emerging, extremely complicated substances that consist of amino acid residues joined by peptide bonds.

Proteins have the following properties:

  • They are enzymes.
  • Work as signaling molecules in numerous signaling.
  • They are involved in the transport of materials.
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Therefore, proteins have all of the properties except genetic material.

To learn more about Proteins, refer to the link:

brainly.com/question/10058019

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2 years ago
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