True-breeding individuals are produced by repeated backcrossing
Indicate whether the statement is true or false
TRUE
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An exergonic reaction will have a ____
a. negative change in kinetic energy b. positive change in enthalpy c. negative change in entropy d. DG = 0 e. negative change in free energy
Variation is usually introduced by the process of _________?
a. random fertilization
b. mutation
c. random mating
d. recombination between homologous chromosomes during meiosis
e. all of the above
The net ATP production in glycolysis is only two because
A. two ATPs are used to "activate" glucose, while four ATPs are produced in remaining glycolysis steps. B. two ATPs are used to donate electrons, in order to move NADH into the mitochondria. C. that is all the ATPs "loaded" with phosphates during glycolysis. D. that is the needed number of ATPs to power the reactions of the Krebs cycle. E. None of the answer choices is correct
If pregnancy does not occur, ____
a. LH levels rapidly rise b. the corpus luteum degenerates c. estrogen and progesterone levels rise d. the endometrium thickens e. the luteal phase begins