The _____ are mollusks with a hinged shell
a. bivalves
b. barnacles
c. gastropods
d. cephalopods
A
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With regard to mitochondrial DNA:
A. Each mitochondrion has only one, circular DNA. B. The mitochondrial DNA molecule of animals is larger than that of plants. C. Each mitochondrion has multiple, circular DNAs. D. The nucleic acid in mitochondria is actually RNA. E. Mitochondrial DNA codes for 95% of the proteins needed in the mitochondria.
Which organ system(s) play role(s) in eliminating metabolic wastes from the body?
a. excretory system only b. respiratory system only c. nervous system only d. excretory and respiratory system e. excretory, respiratory, and circulatory system
Animals establish and defend territories only when ____
a. the effort does not endanger the life of the individual b. males compete for females by fighting c. females choose among displaying males d. some critical resource is in short supply e. territorial defense is not energetically costly
Which is not true about Humulin?
a) it caused more adverse reactions in humans as compared to insulin from cows and pigs b) it was the first recombinant DNA to be approved by the FDA c) it was the first genetically engineered pharmaceutical product d) it is mass produced by Eli Lilly pharmaceutical company