Which of the following statements is true?
A. Glycolysis occurs in the mitochondria inner membrane.
B. The citric acid cycle occurs in the cytosol.
C. Electron transport chain and ATP synthase are in the cytosol.
D. The citric acid cycle occurs in the mitochondria matrix.
E. Oxidative phosphorylation occurs in the mitochondria matrix.
Answer: D
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One strategy to overcome antibiotic resistance is to use the same antibiotics in animal husbandry as those that are prescribed for humans, since the potential for resistant bacteria to evolve would be limited to only a small number of drug classes.
Answer the following statement true (T) or false (F)
You are a landscape architect working on the grounds of a large estate. After you plant a dozen trees, the owner says, "There's been a mistake. The flowers on some of these willow trees look totally different! I specifically asked for Salix alba. You must have planted two different species." You refer to your tree guide, and read: "Salix alba - species of willow native to Europe and Asia, noted for the white undersides of leaves. Insect pollinated, dioecious. Grows 10-30m tall." How do you respond to the client?
A. "Don't worry, the trees with the smaller flowers just haven't undergone phase change yet." B. "Don't worry, Salix alba is dioecious, meaning each tree has either male or female flowers. That is why they look different." C. "Sorry about that sir, I will dig up the wrong trees right away." D. "Don't worry, when the shorter trees reach full size, they will grow the other kind of flower."
Evolution can be best defined as ________
A) the production of new species B) not involving humans C) change in gene frequency in a population D) always taking a very long time to occur
Where does normal fertilization of an egg by a sperm in a human female occur?
A. near the cervix before the egg leaves the female B. at the ovary upon ovulation C. in the uterus before the egg has implanted D. in the uterus after the egg has implanted E. in the Fallopian tube