Which of the following is the largest artery of the systemic circuit?
A. vena cava
B. carotid artery
C. pulmonary artery
D. aorta
E. femoral artery
Answer: D
Biology & Microbiology
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To reproduce sexually, bryophytes require
A. heterospory. B. free water external to the plant. C. high temperatures. D. solar energy. E. insect pollination.
Biology & Microbiology
Which organic molecule functions as a subunit of DNA and RNA?
a. Fatty acids b. Monosaccharides c. Nucleotides d. Amino acids e. Polypeptides
Biology & Microbiology
Which of the following elements may have
been the ancestors of cellular life?
a. circular RNA b. prokaryotic cells c. pseudocells d. lipid globules e. protocells
Biology & Microbiology
Four of the following are found in the fluid within the Bowman’s capsule. Which one would NOT be found?
a. proteins b. water c. glucose d. NaCl e. vitamins
Biology & Microbiology