The initial work on anaphylaxis was done by
A. Watson and Crick.
B. Pasteur.
C. Fleming.
D. Richet and Portier.
D.
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In several mammals, including some rat and shrew species, the presence of two X chromosomes means the animal will be a female, whereas having just one X chromosome dictates maleness. This type of sex determination is most similar to:
A. other mammals. B. insects. C. bees. D. birds.
An isotonic solution has a solute concentration ____ the solute concentration inside the cell
a. equal to b. greater than c. less than d. that depends on e. that alters
Matching. Choose the one most appropriate
answer for each. 1. ___ active site 2. ___ allosteric enzyme 3. ___ adenosine triphosphate 4. ___ NADP+ 5. ___ catalyst 6. ___ catalase 7. ___ entropy 8. ___ equilibrium 9. ___ feedback inhibition 10. ___ phosphorylation A. rate of forward reaction about equals rate of reverse reaction B. coenzyme that diffuses freely through the cytoplasm C. attachment of a phosphate group by a high-energy bond D. an excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway E. part of an enzyme that binds to the substrate F. by binding a regulatory molecule, it changes the activity of a metabolic pathway G. affects rates of chemical reactions H. universal energy currency I. assists in the detoxification of ethanol J. a measure of the degree of energy change after a concentrated form of energy has been dispersed
water is created in which organelle?
What will be an ideal response?