Leguminous plants such as alfalfa, beans, clover, peas, and soybeans all benefit from symbiotic bacteria that leach vitamins into the plant roots
Indicate whether the statement is true or false.
Answer: FALSE
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Red algae can only live in deep waters because their photosynthetic pigments are adapted only for these depths
Indicate whether the statement is true or false
According to the endosymbiont hypothesis,
a. most of the genes from the endocytosized bacteria moved to the nucleus. b. the host anaerobe became dependent on the endocytosized bacteria. c. the endocytosized bacteria became dependent on the host cell. d. the endocytosized bacteria were all photosynthetic. e. most of the genes from the endocytosized bacteria moved to the nucleus, the host anaerobe became dependent on the endocytosized bacteria, and the endocytosized bacteria became dependent on the host cell.
Which group of terms refers to the microsporophyll, the male portion of a flower?
a. ovary, stamens, pistil. b. stigma, style, ovary. c. anther, stamen, filament. d. megasporangium, microsporangium, ovule.
What determines the function of the gene product?
A) The sequence of phosphates B) The sequences of deoxyribose C) The sequence of bases D) The number of bases E) The number of phosphates