The secretion of __________ is an important homeostatic mechanism involved in maintaining normal

heart rhythm.
a. hydrogen ions
b. potassium
c. water
d. glucose
e. urea


B

Biology & Microbiology

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The fluid portion of the blood is called ________

Fill in the blank(s) with correct word

Biology & Microbiology

The interrelationships between the endocrine and the nervous systems are especially apparent in a _____

A) steroid-producing cell in the adrenal cortex B) neurosecretory cell in the hypothalamus C) brain cell in the cerebral cortex D) cell in the pancreas that produces digestive enzymes

Biology & Microbiology

"Aneuploidy" is a condition in which

a) A point mutation causes the loss of a functional allele b) Both copies of an inherited gene carry elevated risk of disease c) There is an abnormal number of chromosomes / copies of the genome d) A cell is permanently stuck in mitosis

Biology & Microbiology

What type of reaction is necessary to produce a dipeptide from individual amino acids?

A) dehydration reaction B) hydrolysis reaction C) denaturation D) Dipeptides are not formed from amino acids. E) None of the answer choices will form a dipeptide.

Biology & Microbiology