During a systemic acquired resistance response, a plant ________
a. shelters nitrogen-fixing bacteria
b. releases protective organic compounds
c. folds leaves to minimize evaporation
d. walls off wounds
b
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Genomic studies of Neanderthals, modern humans, and chimpanzees have confirmed that ____
a. humans evolved from Denisovans b. humans and Neanderthals interbred c. humans and Neanderthals are 98.8% genetically identical d. humans are direct descendants of Neanderthals e. there is a 5% difference in the coding regions of the human genome vs. the chimpanzee genome
Which of the following can make it easier to see the internal parts of a cell through a light microscope?
a. Beams of electrons b. Stronger lenses c. Direct source of natural light d. Special stains
All EXCEPT which of the following must be
available for the light-independent reactions to occur? a. carbon dioxide b. oxygen c. ribulose bisphosphate d. ATP and NADPH e. enzymes
All genetically normal humans have
a) 44 autosomes b) 23 chromosomes c) 46 autosomes d) 8 toes e) two pairs of 22 autosomes, a Y chromosome, and an X chromosome