Biology, 10.06.2021 21:00 kellymcdow9385
I’ve been doin this quiz for about an hour please help
1. A cell needs to take up k+ions the concentration of na+ Outside the cell is 100 ppm and inside is 75 which type of transport will it use
2. Which best describes active transport
A. Using energy membrane proteins pick up particles and move them with the concentration gradient
B. Without energy particles move freely with the concentration gradient
C. Using energy membrane proteins pick up particles and move them against the concentration gradient
D. Using energy qlycoprotiens pick up particles and move them against the concentration gradient
Answers: 3
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Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.
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Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different
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Use the numbers to place the companies in order of greatest comparative advantage to least comparative advantage in producing large tubes of toothpaste.
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I’ve been doin this quiz for about an hour please help
1. A cell needs to take up k+ions the concen...
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