Question 4 of 10
2 points
how is the lytic cycle different from the lysogenic cycle?
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a. the lytic cycle does not include the replication of viruses.
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b. the lytic cycle results in the immediate death of a host cell.
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c. the lytic cycle is a feature only of rna viruses.
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d. the lytic cycle takes a much longer amount of time to finish.
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The lytic cycle results in Immediate death of host cell.

Explanation:

Lytic cycle is followed by virulent phages.Lysogenic cycle as well as lytic cycle are followed by temperate phages.During lytic cycle the host cell is lysed and new viruses are released very quickly .During lysogenig cycle, the viral genome integrates into the host genome and creates a prophage. When the infected cell replicates the prophage also replicates. Later at some time the prophage enter the lytic cycle.The main difference between the lytic and lysogenic cycle is, lytic cycle involves the lysis of the host cell while lysogenic cycle does not involve lysis of host cell.

answer: carbon 14 can only be used to determine the age of the organisms that were once living, and igneous rocks are non living.

explanation:

carbon 14 dating is used to determine the age of the sample by estimating the amount of carbon 14 present in the sample and then comparing it with a reference standard.carbon 14 is a isotope of carbon which is radioactive and unstable. carbon 14 is assimilated by all plants and animals throughout their life from carbon dioxide. however, one the organisms die they stop this assimilation and the carbon 14 content starts to decrease.by knowing how much of carbon 14 is left in an organism after his death, one can estimate the age of the organism. the materials whose age can be estimated by carbon 14 method are the organic compounds. however, some inorganic compounds such as aragonite   shell can also be dated.however, if we consider the igneous rocks it is a non living component which never accumulated carbon 14 in it and thus, we cannot use carbon 14 dating method to estimate its age.

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