Biology, 21.01.2021 23:00 Greghairston9813
Amazingly, an alien species of cellular organism is found alive in the remains of a meteorite that landed in the Mojave Desert. As a scientist, you are trying to determine whether this alien life-form uses DNA, protein, or some other type of compound as its hereditary material. What kinds of experiments would you propose to determine what the hereditary material is?
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Biology, 22.06.2019 10:50
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
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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
Biology, 22.06.2019 15:30
What process creates gametes? a.fertilization b.mitosis c.meiosis
Answers: 2
Amazingly, an alien species of cellular organism is found alive in the remains of a meteorite that l...
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