Most oxygen in blood is transported _____
a. in red blood cells
b. in white blood cells
c. bound to hemoglobin
d. both in red blood cells and bound to hemoglobin
D
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What does the term biogenesis mean?
A. Formation of life from nonliving chemicals B. Formation of self-replicating molecules C. Formation of chemicals from organic monomers D. Formation of life from preexisting cells
Circulatory systems ____
a. are found in all animals b. result in slow distribution of nutrients and gases c. include one or more hearts d. are always closed systems e. are found in cnidarians and flatworms
Transgender individuals
A. often seek sex change (gender reassignment) surgery. B. believe they are a sex different from what their body is. C. often dress and behave as a gender different from what their body is. D. All of the above are correct.
What is the final electron acceptor during aerobic respiration?
A. pyruvic acid B. nitrate C. oxygen D. Cytochrome c E. FAD