What is the probability of rolling one six-sided die and obtaining any number but 6?
What will be an ideal response?
1 ? 1/6 = 5/6
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What species of Rhizopus may infect people who
have a weakened immune system? a. R. oryzae b. R nigicans c. R. stolonifer d. R. arrhizus e. any of these
The teeth designated by the letter “B” in the above
figure are called a. canines. b. premolars. c. incisors. d. molars. e. all of these.
As electrons travel from the primary electron acceptor in photosystem II down the electron transport chain to photosystem I, they drive the movement of protons from the stroma into the thylakoid compartment. Why is the development of this chemical gradient useful to photosynthesis?
A. Protons are directly used in the thylakoid to make glucose B. The proton gradient can drive the production of ATP, which is needed for the light-independent reactions C. Protons provide the energy needed to drive the light-dependent reactions D. This proton gradient is used to make NADPH, which is needed for the Calvin cycle
What part of the human brain contains control centers that establish a breathing rhythm?
A) midbrain B) cerebellum C) medulla oblongata D) thalamus