Which of the following choices is an example of a positive feedback mechanism?

a. ceasing exercise when tired
b. sweating when hot
c. contractions in childbirth increasing production of oxytocin
d. eating when hungry and stopping when full


c

Biology & Microbiology

You might also like to view...

The source of new alleles in a population is

a. natural selection. b. mutation. c. microevolution. d. adaptation. e. genetic drift.

Biology & Microbiology

Which of the following terms means the study and comparison of proteins within and among organisms?

A.) genetic engineering B.) proteomics C.) genomics D.) bioinformatics

Biology & Microbiology

Choose the key characteristic that allowed amphibians to successfully invade land.

A. partially divided heart B. legs C. cutaneous respiration D. All of these are correct.

Biology & Microbiology

Peptide hormones ______.

a. are hydrophilic b. cannot enter the target cell c. bind to a receptor on the cell surface d. all of these

Biology & Microbiology