List the four stages of ability development. provide an example of a person developing a specific ability. what would each stage
look like?

Novice, apprentice, master, mentor. Student examples will vary, but should follow the model.

Example : Driving a car

S1 - take a class, have someone teach you about the parts of a car, traffic laws etc.

S2 - practice driving with parent/teacher - learners permit

S3 - drive on own, accident free, follow all traffic laws - No tickets or accidents

S4 - teach someone else how to drive

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

the index of refraction of the second medium is higher. i just took the test trust me !