Which of the lwing temets is part of the Cell Theor? CCells can arise only by di

Question

Which of the lwing temets is part of the Cell Theor? CCells can arise only by division from a preexisting D Cells can arise independently 2 Each cell is a microcosm (c rpresentation) of life. What are two characteristics of ife? Write your response to 2 on the back of your Scantron 3. Which of the following is a similarity between A. Both share an identical genetic langunge B. Both share a common set of membrane-bound C Both share common structural features. D. A and C B A B and C What characteristics distinguish prokaryotic and eukaryotic cells? prokaryotes do not B. Prokaryotes have relatively litale DNA; C Eukaryotic chromosomes are linear, prokaryotic D. Prokaryotic DNA is naked or nearly naked eukaryotes generally have much more chromosomes are circular eukaryotic DNA is usually heavily associated with protein E All the above 5. Why are viruses not considered to be living? A. They are unable to reproduce alone B. They are unable to proliferate alone. C. They are unable to carry out life-associated activities alone A and C A, B and C 6. What kind of bond is typified by the sharing of electrons? A. Ionic bond B. Polar covalent bond C. H bond D. Nonpolar covalent bond E B and D

Explanation / Answer

1.Correct answer is : E. A ,B and C

Reason:Cell theory includes above 3 points only.

2.The two characteristics of life are

3.Correct answer is:D. A and C

Reason:Both have same DNA composition and similar structures like cytoplasm, cell membrane, ribosomes and DNA.

4.Correct answer is:E.all of the above

Reason: all points mentioned differentiate prokaryotes from eukaryotes.

5.Correct answer is:E. A , B and C

Reason:All of the above reasons are the facts why viruses are not living.

6.Correct answer is: E. B and D

Reason: Covalent bonds are the bonds that are formed by sharing of electron pairs between the atoms.

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