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Mice21 [21]
3 years ago
13

PLEASE HELP WITH BIOLOGY QUESTION!!! I

Biology
1 answer:
dsp733 years ago
6 0

Answer: type b

Explanation:

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Which enzyme is mixed with a DNA sample before gel electrophoresis
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Restriction enzyme

Explanation:

  • Gel electrophoresis is a process or a technique in which fragments of DNA  are separated in terms of their sizes.
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3. Which of the following scenarios is least likely to be associated with a population exceeding
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Answer:

3. B. no new mating partners are available

7. D. best adaptations

8. C. survive and reproduce

Explanation:

Carrying capacity refers to the maximum population size of a species/population in a particular habitat. The carrying capacity depends on abiotic (e.g., shelter, water) and biotic factors (e.g., food, presence of mates). According to the evolutionary theory, individuals better adapted to their environments are more likely to survive and reproduce (i.e., produce more offspring) than other members of the same species. These 'better adapted' individuals will have more chances to pass their 'beneficial alleles' to the next generation.

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Explain how genes are expressed for a particular reason
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Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed, or turned off.

The turned on genes are then first transcribed into messenger RNA by the process of Transcription.

Then the mRNA is Translated into protein by the process called Translation.

This is how the specific genes are expressed.

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The tropical regions are warmer than the polar regions due to the angle of the Sun's rays. As a result, there is generally highe
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the answer is on letter B

Explanation:

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