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oksano4ka [1.4K]
3 years ago
10

Which best describes the movement of DNA fragments during gel electrophoresis?

Biology
1 answer:
madam [21]3 years ago
7 0

Answer: 4

Explanation: The smallest fragments travel the furthest distance through the gel plate because are able to move quickly through the gel.

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The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport
natka813 [3]

Answer:

The answer of ist question FADH2,NADH 2nd question O2  3rd question NAD+,FAD,H2O,ATP.

Explanation:

Ist answer

During electron transport chain electrons are donated by reduced coenzymes such as NADH and FADH2.

2nd answer

During electron transport chain oxygen or O2 act as terminal electron acceptor which accepts and then undergo reduction to generate H2O.

3rd answer

The final products of electron transport chain and oxidative phosphorylation are NAD+, FAD,H2O and ATP.

4 0
4 years ago
Will sodium react to water? t/f
bazaltina [42]

Answer:

True

Explanation:

sodium explodes when it contacts water

4 0
3 years ago
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How does stress affect a person's genetics and DNA? (answer in paragraph form -- at least 8 sentences)
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Researchers found that chronic exposure to a stress hormone causes modifications to DNA in the brains of mice, prompting changes in gene expression. The new finding provides clues into how chronic stress might affect human behavior.

6 0
3 years ago
How do ecologists define an ecosystem?
Free_Kalibri [48]

Answer:

An ecosystem consists of all the organisms in an area, the community, and the abiotic factors that influence that community. Ecosystem ecologists often focus on flow of energy and recycling of nutrients. Biosphere: The biosphere is planet Earth, viewed as an ecological system.

7 0
3 years ago
The primary mRNA transcript is edited much as you edit a research paper before submitting it. Which of the following editing pro
sergeinik [125]

Answer:

<h2>Cross out unnecessary phrases: Cut out introns.</h2>

Explanation:

The mRNA is a transcript of DNA . Primary mRNA transcript is edited before translation.

Mature mRNA is transcribed into protein, which is the final product of central dogma.

mRNA contains introns and exons , introns are removed by splicing.

the analogy of mRNA editing is Cross out unnecessary phrases: Cut out introns.

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3 years ago
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