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Romashka [77]
3 years ago
15

Conservation biologist are most interested in which three evolution mechanisms

Biology
1 answer:
Mariulka [41]3 years ago
4 0

Answer:

The correct answer out of all the choices is A. natural selection, migration, and mutation. Conservation biologists are most interested in these three evolutionary mechanisms.

Explanation:

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Suppose there is a protein "A" which binds to a DNA sequence and increases transcription of the gene CBC23. In the presence of m
fenix001 [56]

Answer:

A = Activator

B = Effector

Explanation:

An activator is a protein which typically binds to a short (50–1500 bp) region of DNA which might be located either upstream (mainly) or downstream of a gene so as to cause increased transcription. This particular region of DNA is known as enhancer and activator is also  known as transcription factor. Activator is a trans-acting factor which binds to the cis-acting factor which is enhancer so as to enhance transcriptional expression.

But another protein named as effector may restrict activator from binding to the enhancer leading to a decrease in transcriptional expression by binding to the activator allosterically. Allosteric binding of effector to the activator causes conformational change in activator so it can no longer bind the enhancer.

7 0
3 years ago
Researchers want to use edna to look for an invasive species in a waterway. which of these steps should they do last? a. precipi
VikaD [51]

The step at which the researchers would do at the end of researching Edna is to amplify the amount of DNA.

Option (d);

<u>EXPLANATION:</u>

  • The term EDNA means Environmental DNA.
  • Invasive species in the waterway are the waterborne plants and animals who can likely cause effects to the human as well as the environment.
  • If researchers want to use eDNA to look for invasive species in the waterway, they will first collect a sample.
  • After cutting DNA into pieces, DNA would be precipitated in each sample.
  • And in the end, the amount of DNA would be amplified in each sample to understand how it would cause harm to the environment.
5 0
3 years ago
Suggest one reason why the population of the woodland caribou has declined in the united states?
schepotkina [342]
Well its most likely over hunted but if its endangered and not allowed to be hunted then it would be because of natural predators in the area being over populated and taking out the caribou to fast
7 0
3 years ago
Read 2 more answers
Radiation from the Sun heats the land during the day. A circular current of warm air rises from the land and moves out to sea, w
Alex_Xolod [135]

Answer:

D

Explanation:

6 0
3 years ago
Which of these descriptions involves an example of a nonrenewable resource?
Allisa [31]

Answer:

Kaolin

Explanation:

Trees, wind, and solar energy are all renewable resources.

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