Osmoreceptors Change Their Firing Rate in Response to

question 101

Multiple Choice

Osmoreceptors change their firing rate in response to

• A) the angiotensin concentration in blood.
• B) the concentration of renin within the blood.
• C) movement of water out of the osmoreceptor as the interstitial fluid becomes hypertonic.
• D) reduced osmotic pressure within the blood plasma.
• E) increased blood plasma volume.

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Definitions:

Eukaryotes

Organisms whose cells contain a nucleus and other organelles enclosed within membranes, distinguishing them from prokaryotes.

Chromosomes

Structures composed of DNA and proteins found in the nucleus of most living cells, carrying genetic information in the form of genes.

Horizontal Gene Transfer

The transfer of genetic elements across unicellular or multicellular organisms through means other than the direct inheritance of DNA from one generation to the next.

Plasmids

Small, circular, double-stranded DNA molecules found in bacterial cells and some eukaryotes, independent of chromosomes, often carrying genes that benefit their host organisms.