An autosome is a ____
a. chromosome other than a sex chromosome
b. structure used to transport genetic material to the cytoplasm
c. chromosome containing a group of genes involved in autoimmune disorders
d. region of the DNA that is self-replicating
e. cellular body involved in autoimmune disorders
ANSWER: a
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Which statement describes the functioning of photosystem II?
A) Light energy excites electrons in the thylakoid membrane electron transport chain. B) Photons are passed along to a reaction-center chlorophyll. C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. D) The electron vacancies in P680+ are filled by electrons derived from water. E) The splitting of water yields molecular carbon dioxide as a by-product.
When the directions for a fetal pig dissection refer to the left, they are referring to
(a) your left. (b) the pig’s left. (c) the pig’s right. (d) both a and c.
Which of the following includes other levels of hierarchy?
a. kingdom b. domain c. order d. phylum e. family
The wings of birds and insects share similar functions but evolved from different structures; therefore, these wings are said to be
A) homologous. B) biramous. C) uniramous. D) analogous. E) bipedal.