The CRISPR Mechanism Helps Bacterial Cells Defend Themselves Against Foreign

question 14

Multiple Choice

The CRISPR mechanism helps bacterial cells defend themselves against foreign DNA. Put the following CRISPR events in order, from first to last.
-6

• A) Foreign DNA enters cell for first time
• B) Protospacers are generated by Cas
• C) Foreign DNA is incorporated into CRISPR array
• D) CRISPR sequence is transcribed
• E) CRISPR RNA is fragmented
• F) sRNA targets foreign DNA for destruction

Understand the importance of clear, concise, and professionally structured messages.

Differentiate between the types of sentences and their appropriateness in business writing.

Recognize and apply proper sentence construction to avoid grammatical errors.

Understand the use of passive and active voice in business writing and their impact on message clarity.

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Definitions:

Gene

A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

Enzyme

Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.

Protein

Large, complex molecules made up of amino acids that perform a wide range of functions in the body, including structural support, catalyzing metabolic reactions, and immune response.

mRNA

Messenger RNA, a type of RNA that conveys genetic information from DNA to the ribosome, where it specifies the amino acid sequence of the protein products of gene expression.