Isoetes is the only species of (living) lycophytes that contains ____
Fill in the blank with the appropriate word.
a vascular cambium
Biology & Microbiology
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In higher animals, including humans, meiosis results in the production of
(a) egg cells (ova). (b) gametes. (c) sperm cells. (d) all of the above.
Biology & Microbiology
In meiosis, the parent cell is ________ and produces __________ cells
A. diploid; two haploid B. dipoid; four haploid C. haploid; two diploid D. haploid; four diploid
Biology & Microbiology
During glycolysis, glucose is broken down into
A. acetyl CoA. B. NADH. C. pyruvate. D. oxygen. E. ATP.
Biology & Microbiology
How many times do G protein–linked receptors loop back and forth through the plasma membrane?
a. once b. twice c. three d. seven e. eleven
Biology & Microbiology