Straighterline Anatomy Final Exam

Review Questions and answers. Graded

A+

What is the smallest level of organization in the body that contains the body's genetic information?

a. chemical

b. cellular

c. tissue

d. organism - Ans-b. cellular The cellular level includes the nucleus, an organelle that contains the body's

genetic information.

Which is an example of a normally occurring positive-feedback mechanism?

Select one:

a. elevated blood pressure during exercise

b. increase in heart rate after blood loss

c. decrease in blood pressure after blood loss

d. stretching of the uterus near the end of pregnancy - Ans-d. stretching of the uterus near the end of

pregnancy

Which of the following processes generates the most ATP within a human cell?

Select one:

a. glycolysis

b. lactic acid fermentation

c. oxidative phosphorylation

d. citric acid cycle - Ans-c. oxidative phosphorylation

During DNA replication, how does each template strand eventually become two identical DNA

molecules?

Select one:

a. The two strands form continuously, catalyzed by DNA polymerase.

b. The two strands form continuously, catalyzed by DNA ligase.

c. One strand forms continuously, the other forms in short segments spliced by DNA polymerase.

d. One strand forms continuously, the other forms in short segments spliced by DNA ligase. - Ans-d. One

strand forms continuously, the other forms in short segments spliced by DNA ligase. There is a leading

strand and a lagging strand; they don't both form continuously.

Which is the most superficial layer of skin that is composed primarily of living cells?

Select one:

a. stratum corneum

b. stratum lucidum

c. stratum basale spinosum.

d. stratum spinosum - Ans-.

d. stratum spinosum (stratum basale layer is below the stratum spinosum)