When fermentation occurs in grapes left on the vine, the final product is the ethanol used to make wine. When fermentation occurs in our muscles, the final product is:
a) oxygen.
b) 2 lactic acid molecules.
c) 2 NADH molecules.
d) 2 ATP molecules.
e) ethanol as well.
Ans: b) 2 lactic acid molecules.
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Eukaryotes have ________ in their cytoplasmic membranes, which serve to strengthen and stabilize the membrane and make it less flexible. Many bacteria have similar molecules, known as ________, in their cytoplasmic membranes that have a similar role
A) ether bonds / ester bonds B) lipids / phospholipids C) sterols / hopanoids D) phospholipids / lipopolysaccharides
Stereocilia are important for the function of:
A. statocysts. B. lateral line systems. C. vestibular systems. D. All of the answer options are correct.
Which agent of evolutionary change occurs when a population's allele frequency is altered due to chance?
A. genetic drift B. gene flow C. nonrandom mating D. natural selection
Unmethylated CpG islands are correlated with inactive genes.
Answer the following statement true (T) or false (F)