Biology, 02.07.2019 20:00 Machuco127
When a single cell of e. coli reproduces, it first duplicates its dna. next, the cell elongates as each copy of dna is pulled toward opposite ends of the cell. the membrane then pinches inward, dividing the cytoplasm into two halves and producing two daughter cells. what is true about these daughter cells? a. they are genetically different from the parent because they are produced by asexual reproduction. b. they are genetically different from the parent because they are produced by sexual reproduction. c. they are genetically identical to the parent because they are produced by asexual reproduction. d. they are genetically identical to the parent because they are produced by sexual reproduction.
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After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.
Answers: 3
When a single cell of e. coli reproduces, it first duplicates its dna. next, the cell elongates as e...
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