The two forms of starch found in food are
What will be an ideal response?
amylose and amylopectin
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Covalent modification
A) can activate an enzyme. B) affects the activity of an enzyme by adding or removing a chemical group. C) can involve the addition of phosphate groups. D) produces modifications that can sometimes be reversed. E) all of the above
The largest threat to global biodiversity, as identified by the International Union for Conservation of Nature (IUCN), is
A) habitat destruction. B) global warming. C) lack of farmland. D) introduced species. E) phosphate pollution.
A form of bacterial recombination that involves a viral intermediate is called ________
A) competency B) plaque assay C) transduction D) conjugation E) transformation
For approximately how long was Earth populated exclusively by microscopic organisms?
a. 2 billion years b. 500 million years c. 750 million years d. 3 billion years e. 4 billion years