__________ pathogens obtain resources from living cells, whereas __________ pathogens kill cells before colonizing them
A. Biotrophic; necrotrophic
B. Necrotrophic; biotrophic
C. All bacterial; all fungi
D. All fungi; all bacterial
E. Asymptomatic; symptomatic
A
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Enzymes aid in metabolism by ____
a. changing the DG of the reaction b. adding additional reactants to the system c. slowing the rate of some reactions and increasing the rate of other reactions d. stabilizing the transition state e. removing unused reactants from the system
Where in a sperm are mitochondria found?
a. the head b. the midpiece c. the tail d. both the tail and the midpiece e. in all parts of the sperm
Tubal pregnancy occurs as a result of:
a. scarring and blockage of the oviducts. b. abnormal fertilization taking place in the oviducts. c. the abnormal beating of the cilia away from the uterus and not toward it. d. the release of more than one ovum during ovulation. e. endometriosis.
How can a living cell increase the rate of a chemical reaction?
A. by raising the pH of the cytoplasm. B. by using a catalyst. C. by lowering the pH of the cytoplasm. D. by increasing the entropy of the reactants. E. by raising the temperature.