For a dichotomous treatment regression (X = 1 or 0), the mean outcome for the treated group (X = 1) is 35 and the mean outcome for the untreated group is 67. What will the slope of the regression line be?
A. 35
B. -32
C. 67
D. 67/2 = 33.5
Answer: B
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If the inner membrane of the mitochondria were compromised in some way, what effect would this have on cellular
respiration?
a. The transport of electrons across the inner mitochondrial membrane would not occur. b. The proton gradient across the inner mitochondrial membrane would dissipate.
c. The ATP synthase enzyme would relocate to the mitochondrial matrix. d. The cell would generate more ATP. e. ATP would no longer be made anywhere in the cell by any mechanism.
The atomic number is the number of
a. neutrons and protons. b. neutrons and electrons. c. protons and electrons. d. protons only. e. neutrons only.
Mitochondria resemble bacteria in
a. size. b. structure. c. that they contain DNA. d. that they divide independently. e. all of these.
What is responsible for the selective permeability of a cell membrane?
a. the position of cholesterol in the membrane bilayer b. the integral proteins of the membrane c. the hydrophobic core formed by the phospholipid tails d. the hydrophilic end facing the cell exterior