A cell containing only pure water is placed into a solution containing 1M sucrose. The cell's membrane is impermeable to water, sucrose, sodium ions and chloride ions. How could you make the cell isosmotic to the outside solution? Choose all of the correct answers. a. Add NaCl to the inside of the cell until it contains 1M NaCl. b. Add NaCl to the inside of the cell until it contains 0.5M NaCl. c. Increase the number of sodium channels on the cell membrane. d. Increase the active transport of water out of the cell. e. Add sucrose to the cell until it contains 1M sucrose.
Answers: 2
Biology, 22.06.2019 04:00
Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.
Answers: 1
Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
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Biology, 22.06.2019 09:50
The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations
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Biology, 22.06.2019 13:00
Plant species a has a diploid number of 12. plant species b has a diploid number of 16. a new species, c, arises as an allopolyploid from a and b. the diploid number for species c would probably be a) 12. b) 14. c) 16. d) 28. e) 56.
Answers: 1
A cell containing only pure water is placed into a solution containing 1M sucrose. The cell's membra...
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