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3 years ago

What acts as a cushion between your brain and your skull?

1 answer:

5 0

<span>Brain is protected by bony skull and a liquid called the spinal fluid. The fluid acts as a cushion between brain and skull. It is a clear, colorless body fluid found in the brain and spinal cord. it is produced in the choroid plexuses of the ventricles of the brain, and absorbed in the arachnoid granulations.The spinal fluid occupies the subarachnoid space (between the arachnoid mater and the pia meter) and the ventricular system around and inside the brain and spinal cord.</span>

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What is the volume of air that is inhaled and exhaled with each normal resting breath?

Ira Lisetskai [31]

The answer is: B - Tidal Volume.

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2 years ago

A recessive trait is expressed only in an individual who is

Ipatiy [6.2K]

The correct answer is B - homozygous

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3 years ago

Cancer is a disease that involves uncontrolled cell division caused by a genetic mutation. It can occur in almost any region in

Harlamova29_29 [7]

Answer:

Cancer is essentially uncontrolled mitosis of specialized cells.

Explanation:

As you said, cancer can control in any region of the body. As a matter of fact, a cancerous cell is produced in your body every 30 minutes and your immune system locates and kills it. Cancer is unpredictable and can happen in any specialized cell.

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3 years ago

This is word used to describe a characteristic of a hypothesis. It means you are able to experiment to see how two variables may

zysi [14]

Hypothesis are testable meaning you are able to preform an experiment to see the relationship between two variables.

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3 years ago

Consider the following three populations of birds. Assume HW equilibrium. With these birds red coloring is recessive, while brow

bixtya [17]

Answer:

Red allele frequency will be highest in population II

Population III can undergo bottleneck effect

The frequency of the brown allele will least likely be altered in the population I

Explanation:

Population I -

Total population - $670$

Brown birds - $603$

Red birds - $67$

Population II

Total population - $100$

Brown birds - $90$

Red birds - $10$

Population III

Total population - $30$

Brown birds - $27$

Red birds - $3$

Frequency of red birds in population I

$\frac{67}{670} = 0.1$

Frequency of red birds in population II

$\frac{10}{90} = 0.11$

Frequency of red birds in population III

$\frac{3}{30} = 0.1$

Red allele frequency will be highest in population II and it will be equal to $\sqrt{0.11} = 0.33$ as compared to $0.31$ in case of population I and III

Population III can undergo bottleneck effect because of smaller population size

The frequency of the brown allele will least likely be altered in the population that has highest brown individual , i.e population I

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3 years ago