The "gray matter of the brain is largely made up of which of the following?

A. Neuron cell bodies

B. Meninges

C. Neuron cell axons

D. Corpus callosum

Answer Explanation:

The gray matter of the brain primarily consists of neuron cell bodies, along with dendrites, glial cells, and unmyelinated axons. It appears gray because it lacks the white fatty myelin sheath that covers many nerve fibers.

Therefore, the Correct Answer is A.

Q #1: Which of the following is correct regarding the pH scale?

A. A substance with a pH of 3 is two times more alkaline than a substance with a pH of 4

B. A substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4

C. A substance with a pH of 3 is two times more acidic than a substance with a pH of 4

D. A substance with pH of 3 is 10 times more alkaline than a substance with a pH of 4

Answer Explanation

The pH scale is logarithmic, indicating that each whole number change on the pH scale represents a tenfold change in acidity or alkalinity. Therefore, a substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4.
Q #2: Which of the following nucleotides is only found in RNA?

A. Guanine

B. Thymine

C. Uracil

D. Adenine

Answer Explanation

Uracil is the nucleotide that is only found in RNA. The other nucleotides are found in both DNA and RNA
Q #3: Which of the following is an example of a biological macromolecule?

A. Nucleic acid, Protein

B. Monosaccharide

C. Amino and

D. Protein

Answer Explanation

Biological macromolecules are large organic molecules such as carbohydrates, lipids, nucleic acids, and proteins. They are built from smaller molecules, which are linked commonly by covalent bonds, and these can be broken down.

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The "gray matter of the brain is largely made up of which of the following?

More Questions on TEAS 7 Science

Q #1: Which of the following is correct regarding the pH scale?

Answer Explanation

Q #2: Which of the following nucleotides is only found in RNA?

Answer Explanation

Q #3: Which of the following is an example of a biological macromolecule?

Answer Explanation

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The &quot;gray matter of the brain is largely made up of which of the following?

More Questions on TEAS 7 Science

Q #1: Which of the following is correct regarding the pH scale?

Answer Explanation

Q #2: Which of the following nucleotides is only found in RNA?

Answer Explanation

Q #3: Which of the following is an example of a biological macromolecule?

Answer Explanation

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The "gray matter of the brain is largely made up of which of the following?