Cellular respiration is essential to eukaryotic cells because
A) it is a process of anabolic reactions necessary for DNA synthesis.
B) it breaks down ATP molecules into ADP and a phosphate.
C) the process releases energy from organic substrates.
D) it releases energy from anabolic reactions, which then can be used to drive catabolic reactions.
E) the process stimulates the catabolism of potentially toxic molecules absorbed during digestion.
C
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Why does total biomass (graph e in the figure above) not vary with AMF diversity?
A) Plant growth is unaffected by fungal diversity. B) Most of the plants in this system do not form mycorrhizal associations. C) Bromus erectus is the dominant plant species. D) Lotus corniculatus is a rare species.
Before biopharming technology became available, human proteins used in treatment of diseases were _____
a. unavailable b. synthesized chemically c. free of contaminating factors d. harvested from slaughterhouses, donated human blood, or cadavers e. harvested from transgenic plants
By itself, independent assortment of chromosomes increases the likelihood that individual daughter cells have ____
a. some paternal chromosomes and some maternal chromosomes b. only paternal chromosomes c. only maternal chromosomes d. chromosomes containing genes from both paternal and maternal chromosomes e. different numbers of chromosomes
Signs and symptoms of significant cyanide exposure include:
A) tachypnea. B) bradycardia. C) hypertension. D) hot, dry skin.