The measurement indicated by the line across the center of the cell is best referred to as which of the following?

A. Diameter

B. Volume

C. Area

D. Radius

Answer Explanation:

One way to assess the size of a cell is to measure its diameter, which is the length of a straight line that passes through the center of the cell and touches both sides. The measurement indicated by the line across the center of the cell in the diagram is best referred to as the diameter of the cell.

Therefore, the Correct Answer is A.

Q #1: Which of the following endocrine organs in the diagram below is involved in regulating milk production following childbirth?

A. Ovaries

B. Adrenal glands

C. Thyroid gland

D. Pituitary gland

Answer Explanation

Lactation is stimulated by a hormone called prolactin, which is produced by the pituitary gland. The pituitary gland is a small, pea-sized organ located at the base of the brain.
Q #2: In a plant in which fuzzy leaves (F) are dominant over smooth leaves (f), which of the following crosses will produce only offspring with smooth leaves?

A. ffx ff

B. Ffx Ff-

C. Ff x ff

D. FFX FF

Answer Explanation

To produce only offspring with smooth leaves, the parents must both have two copies of the recessive allele (f) for this trait.
Q #3: Which of the following best describes the result of using a catalyst in a chemical reaction?

A. The reaction is completed in a shorter amount of time.

B. The yield of product is increased.

C. A greater amount of heat energy is released by the reaction.

D. A more desirable product is often formed.

Answer Explanation

A catalyst is a substance that lowers the activation energy of a chemical reaction, which means that it allows the reaction to proceed faster without being consumed or changed itself. A catalyst does not affect the equilibrium of a reaction, so it does not change the amount or the type of product that is formed.

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The measurement indicated by the line across the center of the cell is best referred to as which of the following?

More Questions on TEAS 7 Science

Q #1: Which of the following endocrine organs in the diagram below is involved in regulating milk production following childbirth?

Answer Explanation

Q #2: In a plant in which fuzzy leaves (F) are dominant over smooth leaves (f), which of the following crosses will produce only offspring with smooth leaves?

Answer Explanation

Q #3: Which of the following best describes the result of using a catalyst in a chemical reaction?

Answer Explanation

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