Which organisms obtain heat primarily from internal physiological sources?
a. allotherms
b. ectotherms
c. exotherms
d. endotherms
Ans: d. endotherms
Biology & Microbiology
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Insertion sequences are found on both ends of transposons and encode for transposase
Indicate whether the statement is true or false.
Biology & Microbiology
Birds store food in a modified portion of the lower esophagus called the
A. crop. B. epiglottis. C. gizzard. D. alimentary canal. E. pharynx.
Biology & Microbiology
The cell membranes of bacteria and eukaryotes are quite similar, differing only in
A. the presence of phospholipids. B. the presence of sterols. C. being selectively permeable. D. the ability to transport wastes out of the cell. E. the presence of proteins in the bilayer.
Biology & Microbiology
Flagella move in a whip-like motion.
Answer the following statement true (T) or false (F)
Biology & Microbiology