What will happen if a bacterial cell is placed in distilled water with lysozyme?
A) The cell will plasmolyze.
B) The cell will undergo osmotic lysis.
C) Water will leave the cell.
D) Lysozyme will diffuse into the cell.
E) No change will result; the solution is isotonic.
Answer: B) The cell will undergo osmotic lysis.
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The diffusion of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration is referred to as ____
Fill in the blank with the appropriate word.
The majority of kidney complications are due to ________
a. gallstones b. diabetes c. constipation d. dehydration e. urinary tract infections
FAD, NADP, NAD, and coenzyme A are all carriers of ________.
A. hydrogens B. ATP C. electrons D. Both hydrogens and electrons are correct.
Given the role of cross sectional fixed effects in the empirical strategy for identifying causal effects, instead of conducting hypothesis tests of any one coefficient on a fixed effect being zero, it is typical to conduct what sort of hypothesis test?
A. A hypothesis test for a fixed effect coefficient being equal to 1 instead of zero. B. A joint hypothesis test that the fixed effect coefficients are all equal to the treatment effect. C. A joint hypothesis test for all of the fixed effect coefficients being equal to zero. D. A hypothesis test for a fixed effect coefficient being equal to -1 instead of zero.