Most of the oxygen in the body is transported _______.
a) by peristalsis
b) as chyme
c) bound to the protein hemoglobin
d) as bicarbonate ions
Ans: c) bound to the protein hemoglobin
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At first, the most important conflict between Darwin's and Mendel's theories appeared to be that ____
a. Mendel's theory was based on experimentation while Darwin's was based on observation b. Mendel's experiments were based on simple traits while Darwin's evidence was based on complex characteristics c. Mendel's experiments were unbiased, while Darwin set out to prove evolution by natural selection d. Mendel's experiments were based on peas while Darwin used a variety of examples e. Darwin was a scientist while Mendel was a monk
Meiosis in flowering plants gives rise to cells that are ____
a. haploid gametophytes b. diploid sporophytes c. sporophytes that can be haploid or diploid d. diploid gametophytes e. haploid sporophytes
The part of the brain that deals with the basic drives such as hunger, sex, and thirst is the:
a. cerebrum b. pons c. cerebellum d. thalamus e. hypothalamus
Which reaction represents cellular respiration?
A) Sugar + Oxygen ? Carbon dioxide+ Water + ATP B) Carbon dioxide + Water + ATP ? Sugar + Oxygen C) Oxygen + Carbon dioxide ? Sugar + Water + ATP D) Water + ATP ? Carbon dioxide + Sugar