When a molecule can dissolve readily in water is can be described as which of the following?
a. non-polar
b. hydrophobic
c. a solvent
d. hydrophilic
d. hydrophilic
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The ____ method of determining population size is often used to estimate the population size of
mobile animals that live within a restricted geographic range.
a. mark-release-recapture b. direct count c. extrapolation of counts from quadrants to entire population d. plot e. indirect count
The exchange of substances across a membrane between chemically different solutions is
a. dialysis. b. lithotripsy. c. osmosis. d. active transport. e. facilitated diffusion.
Which of the following best describes why ice was used during this experiment?
a. To increase the activity of the enzyme b. To retard the breakdown of the catalase c. To purge the solution of excess air trapped during blending d. To slow the catalase molecules to increase the probability of contact with the hydrogen peroxide molecules e. To increase the size of the active site on the enzyme
Autosomal recessive genetic disorder that results in a deficiency in the enzyme hexosaminidase A; causes an accumulation of glycolipids in the lysosomes, resulting in a progressive loss of psychomotor functions.
What will be an ideal response?