Bio202-Summer II Please answer all questions. Q.1. Which of the following charac

Question

Bio202-Summer II Please answer all questions. Q.1. Which of the following characteristics, structures, or processes is common to Quiz#1 Name:. both bacteria and viruses? A) independent existence B) ribosomes C) metabolism D) cell division enetic material composed of nucleic acid Q.2. Reverse transcription, carried out by retroviruses, is the process by which RNA information is copied into DNA B) DNA is duplicated C) RNA information is "read" to form a protein molecule D) information is copied from a protein molecule into RNA E) DNA information is copied into RNA Q.3. Viruses that infect bacteria are called A) bacterioviruses B retroviruses C) proviruses D) bacteriophages E) capsomeres

Explanation / Answer

1) E) genetic material composed of nucleic acid

In both virus and bacteria genetic material is composed of DNA or RNA. Bacteria and viruses have Deoxyribose or Ribose sugar to form nucleic acids having nucleotides.

2) ,A) Reverse transcriptase is an enzyme which is used in the process of reverse transcription and it gorms a cDNA using RNA.as a template.

This process is used in Molecular cloning, RNA sequencing and PCR.

3) D) Bacteriophages.

These are the viruses tgat infect bacteria and replicate within them.Phages attach to bacteria and inject their DNA or Genetic matrial into bacteria and use them for multiplication of tgeir genetic material.

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