Biology, 21.09.2020 04:01 camilacarrielh15
Read the text below.
Surface water is found in oceans, lakes, reservoirs, streams, rivers and glaciers. Lakes, rivers, and reservoirs are where humans obtain most of the surface
water they use. Aquifers are an underground source of water that humans also use.
Write an open-ended question about the information from the text
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Biology, 22.06.2019 09:30, lilyrockstarmag
Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?
Answers: 2
Biology, 22.06.2019 14:50, megamorph
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 19:30, gungamer720
When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.
Answers: 1
Read the text below.
Surface water is found in oceans, lakes, reservoirs, streams, rivers and glaci...