From which molecule do organisms receive instructions to reproduce and grow?
a. ATP
b. carbon
c. hydrogen
d. DNA
e. elements
ANSWER: d
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Trypanosomes that cause disease in humans escape destruction by the human immune system because they are resistant to phagocytosis.
Answer the following statement true (T) or false (F)
What percentage of the immigrants into your experimental populations have the A allele?
a. 50% b. 5% c. 0.5%
Water has a high heat capacity because it has ____
a. covalent bonds b. ionic bonds c. low freezing point d. high boiling point e. hydrogen bonds
Bt corn is a genetically engineered plant. What feature gives it value as a crop plant?
A) The plant produces a toxin designed to kill monarch butterflies. B) The plant produces a toxin designed to kill corn borers. C) The plant produces a toxin designed to kill competing plants (also known as weeds). D) The plant grows significantly larger ears of corn. E) The plant produces better-tasting kernels of corn.