Biology, 24.02.2020 22:35 milamdaniela
Why does active transport require energy to move molecules of a substance across a cell membrane?
OA
The cell membrane is very thick.
Lack of the substance makes the cell weak.
ООО
The substance moves from high to low concentration, with the concentration gradient.
OD
The substance moves from low to high concentration, against the concentration gradient.
Answers: 2
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Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable
Answers: 1
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Answers: 1
Biology, 22.06.2019 21:30
Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.
Answers: 1
Why does active transport require energy to move molecules of a substance across a cell membrane?
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