How Does a Bacterial Cell Protect Its Own DNA from Restriction

question 30

Multiple Choice

How does a bacterial cell protect its own DNA from restriction enzymes?

• A)adding methyl groups to adenines and cytosines
• B)using DNA ligase to seal the bacterial DNA into a closed circle
• C)adding histones to protect the double-stranded DNA
• D)forming "sticky ends" of bacterial DNA to prevent the enzyme from attaching
• E)reinforcing the bacterial DNA structure with covalent phosphodiester bonds

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Definitions:

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for integrating sensory information and responding accordingly.

Autonomic Nervous System

A part of the peripheral nervous system that controls involuntary bodily functions like heartbeat and digestion.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem down the back, and is encased in the spinal column. It is a crucial part of the central nervous system.

Somatic Nervous System

A part of the peripheral nervous system that handles voluntary control of the body's muscles and the transmission of sensory information to the central nervous system.