Which of the following is an example of active transport in a cell?
Choose 1
A
Calcium...
Biology, 20.01.2021 21:20, flowergirly34
Which of the following is an example of active transport in a cell?
Choose 1
A
Calcium passing through channel proteins, from a high to low concentration
B
Enzymes spreading evenly through cytoplasm
C
Oxygen entering the cell without the use of energy
D
Sodium moving out of the cell against its concentration gradient
Answers: 1
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2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.
Answers: 1
Biology, 22.06.2019 19:30, kaadenday3629
Why do you suppose the structural polysaccharide cellulose does not contain branches?
Answers: 3
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