True or False: rubisco can function as either a carboxylase or an oxygenase
A. true
B. false
A
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When comparing the genomes of a bacterial parasite versus a free-living, nonparasitic bacterium, one expects to find that _____
A) the proportion of G-C base pairs will be significantly higher in the parasite B) no homology between the free-living and parasitic bacteria C) there will be a higher proportion of genes of unknown function in the parasite D) the parasite will have acquired a smaller proportion of its genes through lateral gene transfer E) the parasite will have a smaller genome
Receptor-mediated endocytosis brings in specific material by engulfing it in vesicles. What factors, either directly or indirectly, are related to this process? Choose all that apply.
_____ It is a passive process. _____ It helps to increase membrane fluidity by helping to transport cholesterol into the cell. _____ It is an active process. _____ It uses carrier proteins. _____ A clathrin coat is present.
The trophic level that an organism belongs to
a. is determined by what it uses as an energy source. b. determines the population it belongs to. c. can be thought of as its feeding level. d. is both a and c.
The bright coloration of toxic tree frogs is an example of ________
Fill in the blank(s) with correct word