Bacteria and protozoans are ____
a. multicellular organisms
b. unicellular organisms
c. both unicellular and multicellular organisms
d. the sole organisms of the oceans
e. precursors to cells
B
You might also like to view...
The hormone that helps us respond to low oxygen levels by promoting an increase in red blood cell counts is
A. erythropoietin. B. hemopoeitin. C. renin-angiotensin. D. adrenocorticotropin. E. estradiol.
During the cleavage stage of glycolysis, fructose-1, 6 biphosphate is broken down into
A. two molecules of ATP. B. citric acid. C. two molecules of glyceraldehyde-3-phosphate. D. two molecules of pyruvate. E. glucose.
An empty stomach increases its secretion of ____ to stimulate the appetite
a. pepsinogen b. ghrelin c. gastric fluid d. chyme e. serosa
Prostaglandins may act as local signaling molecules in the uterus, causing ________
Fill in the blank(s) with correct word