Mosses produce large amounts of pollen
Indicate whether the statement is true or false
FALSE
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Legume plants provide certain amino acids to the ________ so that they do not need to assimilate ________. In return, the bacteroids shuttle amino acids bearing the fixed nitrogen back to the plant.
A. bacteroids; ammonia B. bacteroids; nitrogen C. bacteroids; phosphorus D. root hairs; nitrogen
Nondisjunction of chromosomes resulting in aneuploidy occurs during
A. prophase I. B. anaphase I or II. C. metaphase II. D. anaphase of mitosis. E. telophase I.
Consider a gram-negative human pathogen isolated from marine mammals. This pathogen is subjected to a series of tests and found to have the following characteristics: oxidase-positive; does not hydrolyze urea; produces indole; does not produce acetoin. Which of the following could it be?
a. Pasteurella multocida b. Mannheimia haemolytica c. Klebsiella pneumoniae d. Yersinia enterocolitica
Examine the figures above and answer the following question(s). In the figure above, which bond is the only one that is possible in step "c"?
a. A with C b. G with C c. C with T d. T with G e. A with G