Chronic hypertension is dangerous to a person’s health because ____
a. the pressure buildup can cause veins to rupture
b. it can lead to damage to the endothelial cells lining the arteries and veins
c. it makes the heart work too hard
d. it tears capillaries
e. the pressure diverts blood from the brain
ANSWER: b
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A milkweed plant discourages consumption by herbivores by
a. exuding a toxic sap. b. developing an appearance that mimics an undesirable plant. c. having hairy leaves. d. producing an undesirable scent. e. having thorns.
Which process consists of modifying an individual’s genome?
a. DNA hybridization b. PCR c. SNPing d. DNA profiling e. genetic engineering
What carbohydrate energy storage molecule is found in animal liver and muscle cells?
a. starch b. cellulose c. glycogen d. a fatty acid e. cholesterol
Cardiac muscle requires input from the nervous system to contract
Indicate whether the statement is true or false