The energy used to produce ATP in the light reactions of photosynthesis comes from __________.
Fill in the blank(s) with the appropriate word(s).
Answer: movement of H+ through a membrane
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In the synthesis of amino acids the addition of the amino nitrogen usually occurs ________ the synthesis of the carbon skeletons.
Fill in the blank(s) with the appropriate word(s).
Salmonella are ________.
A. gram-positive bacilli B. methane producers C. lactose fermenters D. motile E. All of the choices are correct.
Which cellular organelle packages enzymes and forms lysosomes?
A) Smooth ER B) Rough ER C) Mitochondrion D) Golgi apparatus
If the formation of the endoderm does not take place in an embryo, yet the embryo, for whatever reason, continues to develop, which of the following structures will NOT develop?
A) Skin B) Nervous system C) Heart D) Kidneys E) Stomach