"As you reach for a rose, you unexpectedly feel the painful poke of a thorn. You quickly withdraw your hand. Which part of this process is accomplished mainly by the central nervous system

Withdrawing your hand is accomplished by your nervous system.

Explanation: when the thorn pokes you, the pain receptors send messages to your brain or signals telling you to remove your finger.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

protocol for imps extraction focusing on membrane protein extraction, solubilisation, and purification.