It is okay to eat snacks during class to keep your blood sugar high
a. true
b. false
Ans: b. false
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Sponges are most accurately described as _____
A) marine predators B) chemoautrophs C) freshwater scavengers D) suspension feeders E) aquatic predators
During neuronal signaling, a change in membrane potential will cause sodium channels to open and let Na+ ions diffuse down their concentration gradient into the cell. Which of the following helps establish the concentration gradient necessary for this process to occur?
A. Na+/K+ channel B. voltage-gated Na+ channel C. Na+ symporter D. Na+/K+ pump
Hereditary nonpolyposis colon cancers (HNPCC) ____
a. are rare in the United States, but common in Europe b. begin with a mutation in the APC gene c. are caused by one-of-a-kind DNA sequences called microsatellites d. are caused by one mutation in a single gene e. are caused by several mutations in several different genes
The normal cell cycle for body cells follows a prescribed timeline based on genetic information contained within the cells. Suppose the cell cycle continues on with mitosis occurring even when it should not. What might happen?
A) A gamete may be produced. B) A tumor might grow. C) An extra limb may form. D) Viruses might replicate.