Conversion of a six-carbon carbohydrate to two pyruvic acid molecules with accompanying reactions that release ATP and hydrogen atoms is called
A. glycolysis.
B. Krebs cycle.
C. electron transport system.
D. carbon fixation.
A. glycolysis.
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Among which of the following will sexual dimorphism lead to females being larger than
males?
a. among species where males physically fight for access to females b. among species where a male must guard a female to prevent other males from mating with her c. among species where males have to walk long distances to find females but fighting is rare d. Females being larger than males is always beneficial because it leads to higher fecundity.
What is the function of the gill-like compacted hyphae on the underside of the Basidiocarp’s cap?
a. They host basidiospores. b. They allow for nitrogen fixation. c. They bear developing basidia. d. They shelter mating mycelia.
Which portion of a phospholipid is hydrophilic?
a. fatty acid tails b. glycerol heads c. The entire phospholipid is hydrophilic. d. None of the phospholipid is hydrophilic.
You discover a new species of bacteria that grows in aquatic environments with high salt levels. While studying these bacteria, you note that their internal environment is similar to the salt concentrations in their surroundings
You also discover that the internal salt concentrations of the bacteria change as the salt concentration in their environment changes. The new species can tolerate small changes in this way, but dies from large changes because it has no mechanism for altering its own internal salt levels. What type of homeostatic mechanism is this species using to regulate its internal salt levels? A) conformation B) regulation C) integration D) assimilation