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forsale [732]
3 years ago
7

What would be expected for the formation of an α-helix, for a segment of a protein chain that contains lysine approximately ever

y fourth residue with all other residues being mostly hydrophobic?
Biology
1 answer:
Oksanka [162]3 years ago
6 0

Answer:

Helix formation would be favored at high pH.

Explanation:

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Identify the isolation mechanisms described using the drop-down menus. Differences in courtship or other behaviors prevent matin
lana [24]

Answer:

First, let's add the missing piece of information

Identify the isolation mechanisms by labeling either Geographical, Behavioral, Temporal, or Anatomical from the drop-down menu

The correctly identified mechanism is

1. Behavioral

2. Geographical

3. Temporal

4. Antomical

Explanation:

Differences in courtship or other behaviors prevent mating.- our answer is Behavioral

(Behavior isolation is the term used to describe reproductive isolation as a result of variations in courtship behaviours between the members of the same species occupying the same region).

Species can no longer interact because they are separated by physical boundaries.- it is Geographical

(Geographic isolation is seen in situations where the two populations of the same species get isolated by a geographical barrier such as mountain, island or river. This results in an inability to breed between the two populations as they become distinct new species).

Species do not interbreed because they breed at different times. this is definately Temporal.

(Temporal isolation is a form of reproductive isolation due to mating at separate times and seasons among two populations of the same species).

Species cannot physically mate due to genitalia or gametes being incompatible. And the correct answer is Antomical.

(Anatomical isolation

It is observed in situations when two populations of the same or distinct species cannot interbreed due to physical features such as genitalia and gametes formed in the organisms that make them uniquely separated).

Yes! this is the right answer. I just solved this question and its CORRECT.

6 0
3 years ago
Read 2 more answers
Choose the phrase that completes the passage. When Harrison is walking home from work, he is accosted by a group of teens. Harri
In-s [12.5K]

Answer:

This is an example of Harrison's central nervous system working closely with his autonomic nervous system to give him energy and awareness to escape.

Explanation:

Harrison interprets the presence of the group of teenagers as an imminent danger and so he is on the run, which corresponds to a set of reactions that are triggered in the human body when a danger is around. At this point, the central nervous system and the subtonic nervous system are working together to get the adrenaline in Harrison's body to rise to a level that allows him to escape the group of teenagers. The central nervous system was then responsible for receiving and processing information that indicates to Harrison that he may be in danger.  On the other hand, the autonomic nervous system is responsible for regulating the body's involuntary responses, being responsible for controlling various vital functions and at this time for the release of adrenaline in response to the dangerous situation.

3 0
3 years ago
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When you smile the is the primary muscle that elevates the corners of your mouth?
Aleks [24]
<span>Zygomatic major is the primary muscle that elevates the corners of your mouth.</span>
4 0
3 years ago
A food chain contains oak trees (producer), mice (herbivore), black rat snakes (carnivore), and bald eagles (carnivore). How man
VMariaS [17]

Answer:

It has 4 trophic levels.

Explanation:

The first level would be the producers, followed by the primary consumers, then the secondary consumers, then the tertiary comsumers.

              /    Tertiary consumers          \

           /   Secondary Consumers           \

        /    Primary Consumers                     \

     /           Producers                                   \

 /________________________________\

5 0
3 years ago
A random sample is one way to reduce bias when choosing people for an experiment
Verdich [7]

Your answer is

One of the most effective methods that can be used by researchers to avoid sampling bias is simple random sampling, in which samples are chosen strictly by chance. This provides equal odds for every member of the population to be chosen as a participant in the study at hand.

7 0
3 years ago
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