Which of the following statements is true? (1 point)
during active transport, a material may...
Biology, 12.11.2019 19:31 locomexicano03
Which of the following statements is true? (1 point)
during active transport, a material may be moved from an area of low concentration to an area of high concentration.
during passive transport, energy is used to move material against a concentration gradient.
during active transport, water is pumped across a membrane to equalize the concentration of salts on both sides.
during passive transport, osmosis allows salts to move from one side of the membrane to the other to equalize concentrations on both sides.
Answers: 2
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Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10
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