In a positive feedback cycle, drought encourages ____, which results in more drought.
A. overgrazing
B. biological magnification
C. bioaccumulation
D. desertification
E. deforestation
Answer: D
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Phosphorylating glucose during phase 1 of glycolysis:
A. releases phosphorylated glucose from cells. B. destabilizes the glucose molecule so that it can be broken down in stage 2. C. provides electrons to reduce NAD+ in stage 3. D. provides electrons to reduce FADH in stage 3. E. None of the answer options is correct.
In the Igf2 gene, which allele is imprinted? Which is expressed?
A. Paternal, paternal B. Paternal, maternal C. Maternal, paternal D. Maternal, maternal
A stretch receptor is classified as a
a. chemoreceptor. b. mechanoreceptor. c. photoreceptor. d. thermoreceptor. e. all of these
GPI-anchored proteins are synthesized
a. on free ribosomes and attached to the GPI group on the outside of the ER. b. as transmembrane proteins, cleaved, and attached to the GPI group on the inside surface of the ER. c. as transmembrane proteins, cleaved, and attached to the GPI group on the cytosolic surface of the ER. d. into the lumen of the ER and attached to the GPI group on the inside surface of the ER.