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andrew-mc [135]
3 years ago
7

How mutations contribute to genetic diversity.

Biology
1 answer:
Alja [10]3 years ago
7 0
Mutations contribute to genetic diversity because every time there is a mutation on a chromosome in the DNA it creates a difference in the chromosome, creating genetic diversity.
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What is the term used to describe the minimum level of stimulus required to activate a neuron?
Alborosie

Answer: The correct answer is -

b. Threshold.

Explanation:

Threshold can be described as minimum voltage of a memrane (of neuron or muscle cell) that is required to reach an excited state of cell during a depolarization) so as to produce an action potential.

Voltage-gated channels are activated at the threshold voltage, .

For example - Threshold level of neuron is - 55mV, which means it fires action potential at this level so that information is transferred to another neuron.

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All of the following are examples of physiological motives or drives except ___________. A. hunger B. acceptance C. sleep D. thi
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2 years ago
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Answer:

Eat healthy and get regular exercise.

Maintain a healthy body weight.

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Drink plenty of fluids.

<em>Any of these will work :)</em>

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3 years ago
Which of the following is NOT a domain? A.Archaea B.Bacteria C.Eukarya D. Chordata.
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Chordata is phylum of the kingdom Animalia which belongs to the domain Eukarya. So, Chordata cannot be a domain.

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3 years ago
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A large bottle with a layer of mud on the bottom is filled with pond water. Several fish and some green plants are then added an
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Ecosystem

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