How and where is ATP made in a eukaryotic cell?
A. ATP is made in all compartments of the cell in response to endergonic reactions and is used to drive exergonic reactions in the cell.
B. ATP is only made in the mitochondria in response to chemiosmosis.
C. ATP can be made by an enzyme complex that uses the energy of protons moving down their concentration gradient from the mitochondrial matrix to the cytoplasm to make the ATP.
D. ATP can be made by direct phosphorylation of ADP in the cytoplasm, and by an enzyme complex that uses the energy from a proton gradient to drive ATP synthesis in the mitochondria. It can also be made in other locations in the cell, depending on the cell type.
Answer: D
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Ronald Fisher developed a critical idea for the modern synthesis of Darwin and Mendel. What is the basis of this synthesis?
A. Mendel was correct in that most traits are discrete. B. Multiple genes can explain the continuous nature of most observed traits. C. Darwin was incorrect in how natural selection influences discrete traits like Mendel observed. D. Mendel and Darwin both missed the importance of population growth as described by Malthus.
Many animals share homologues of the gene PAX6, which is important in the development of ________
a. legs b. eyes c. segmentation d. wings
Before entering the heart, blood from the intestines must first pass through the:
a. brain b. kidneys c. liver d. lungs e. stomach
Four of the five answers listed below are parts of the same sense organ. Select the exception
a. fovea b. retina c. vitreous body d. ampulla e. iris