Which molecules diffuse into the lymph
vessels during absorption in the small
intestine?
a. simple sugars
b. triglycerides
c. amino acids
d. nucleotides
e. all of these
B
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According to Fig 9.10, which of the following is NOT responsible for amplifying the signal in a cell responding to adrenaline signaling?
A. the binding of the receptor by adrenaline B. the production of cAMP by adenylyl cyclase C. the activation of protein kinase A by cAMP D. the phosphorylation of proteins by protein kinase A E. All of these choices amplify the adrenaline signal.
While some people love cilantro, others think it tastes like soap. This is due to a mutation in a receptor that binds to
the airborne aldehydes found in cilantro. Which type of receptors is most likely affected by this mutation?
a. nociceptors b. thermoreceptors c. chemoreceptors d. mechanoreceptors e. photoreceptors
If you put chloroplasts in the dark, they can continue to make sugar if provided with
a. NADPH, ATP, and CO2. b. NADPH and ATP. c. CO2 and ATP. d. NADPH, CO2, and ADP. e. water and ATP.
Sometimes postmenopausal women are given a prescription for which of the following to help them maintain their bone calcium?
A) parathyroid hormone B) thyroid hormone C) calcitonin D) insulin