Which of these is incorrect regarding fermentation?
a. there is a net gain of only 2 ATP per glucose
b. it occurs in the cytoplasm
c. the process starts with glucose entering glycolysis
d. NADH donates electrons to the electron transport chain
e. it is anaerobic
d. NADH donates electrons to the electron transport chain
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While having lunch with a group of students who have also just read this module, one of your peers advises the rest of you to skip your turkey sandwiches because “turkey contains tryptophan, which is absorbed by your cells and makes you sleepy, and if you’re sleepy, you won’t pass the module quiz.” Yours isn’t a turkey sandwich, but you remember reading about tryptophan in the section on Prokaryotic Gene Regulation. Which of these statements is true?
a. only E. coli bacteria contain tryptophan b. tryptophan cannot be absorbed by prokaryotic cells c. E. coli synthesize more tryptophan when it is present d. E. coli can synthesize tryptophan when it is absent
What reproductive behavior do meiofauna exhibit to improve success of eggs?
a. Lagoon b. Salt wetlands c. Mudflat d. Estuary
In the process of in vitro fertilization, after a cell has been removed from an embryo for preimplantation genetic diagnosis, the embryo
A. will continue to produce new cells through meiosis. B. will then be placed in a cloning chamber. C. cannot develop into a fetus or baby. D. will continue to grow and develop. E. will be used for gene therapy on parents or siblings.
What are the two specific "conditions" within the definition of Osmosis that makes it different than simple diffusion?
a. movement of water; concentration gradient b. movement of water; through selectively permeable membrane c. movement of molecules; through selectively permeable membrane d. Brownian motion; Concentration gradient