Biology, 04.01.2020 16:31 lilyrockstarmag
Too much logging in the oyamel fir forests could lead to the eastern monarch butterfly going extinct because a. the entire population of the species spends winter in oyamel c. the winters are too cold in oyamel b. the butterflies breed in the oyamel fir trees d. the butterflies feed on the oyamel fir tree
Answers: 2
Biology, 22.06.2019 09:00
The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer
Answers: 2
Biology, 22.06.2019 13:20
Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing
Answers: 1
Biology, 22.06.2019 14:50
Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.
Answers: 1
Too much logging in the oyamel fir forests could lead to the eastern monarch butterfly going extinct...
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