Both photosynthesis and cellular respiration rely on electron carrier molecules to provide electrons to ultimately help produce ATP. In photosynthesis, the source of electrons is ________ and in cellular respiration the source of electrons is ________
A) carbon dioxide; oxygen B) glucose; oxygen
C) water; glucose D) oxygen; carbon dioxide
Answer: C
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A bacterium containing ________ provided with hydrogen peroxide will produce oxygen bubbles
A) catalase B) superoxide dismutase C) superoxide reductase D) peroxidase
A cell biologist has developed a new drug that blocks vesicle transport at the cis face of the Golgi apparatus. What will this drug prevent from happening inside a cell?
A. the movement of materials from the Golgi apparatus to the plasma membrane B. the movement of vesicles from mitochondria to the Golgi apparatus C. the synthesis of proteins or lipids on the endoplasmic reticulum D. the movement of the lipids and proteins from the endoplasmic reticulum to the Golgi apparatus
Depolarization of the neuron occurs when
A. the potassium gates open and potassium moves outside the cell. B. the sodium-potassium pump moves potassium inside the cell. C. the sodium-potassium pump moves sodium inside the cell. D. water moves to the outside of the cell and chloride ions follow. E. sodium gates open and sodium moves inside the cell.
A colorblind woman marries a man who is not colorblind. All of their sons, but none of their daughters, are colorblind. Which of the following statements correctly explains these results?
A) The gene for color vision is incompletely dominant to the gene for sex determination. B) The gene for color vision is codominant with the gene for sex determination. C) The gene for color vision is found on the X chromosome. D) The gene for color vision is found on the Y chromosome.