The part of the brain that includes the thalamus, hypothalamus, and pineal gland is the
a. pons.
b. medulla oblongata.
c. dorpora quadrigemina.
d. diencephalon.
e. telencephalon.
B
Integrate and Apply What You've Learned (Short Answer)
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Based upon shared features, which two species have the closest evolutionary relationship?
a. Mice and humans b. Lizard and humans c. Mice and worms d. Lizards and worms e. Fish and humans
Which of the following best defines autoimmunity?
a. Hypersensitivity to self-antigens b. Delayed immune system response c. Inherited immune system insufficiency d. Immunodeficiency present from birth
Answer the following questions true (T) or false (F)
1. An organism's genotype influences its phenotype. 2. Gyrase breaks the hydrogen bonds between DNA strands and unwinds the DNA strands while topoisomerases relieve the coiling tension that develops as the helix unwinds. 3. DNA replication is a semiconservative process.
Analogous traits:
a. are shared by two or more species because some evolutionary process (usually natural selec-tion) has independently fashioned the similar traits in each species. b. are found in two or more species because those traits are from a common ancestor. c. Both of the above. d. Neither of the above.