In a microscopic field showing an artery and its corresponding vein, you can easily distinguish the two because ________
A) arteries are round and larger than veins
B) veins have thinner walls and are irregular in shape
C) arteries have a larger internal opening than veins
D) veins are round and have thicker walls
Answer: B
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Answer the following statement true (T) or false (F)
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a. 10 c. 15 b. 20 d. 5
If the sequence of nitrogenous bases in one strand of DNA is GTA-GCA, the sequence of bases on its complementary DNA strand would be ________
A) CAU-CGU B) CAT-CGT C) GAU-GCU D) GAT-GCT E) ACG-ATT
What is the mode of secretion of sebaceous glands?
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