Mid Term 1 reveiw

Question 1

What is the comparison between a neuron and a liver cell

Answer 1

come from the same gene, but the express different RNA and proteins

Question 2

What is Insulin produced by

Answer 2

beta cells of pancreas

Question 3

What is glucagon is produced by:

Answer 3

alpha cells of the pancreas

Question 4

how are anti bodies produced

Answer 4

from B cells

Question 5

how is hemoglobin produced

Answer 5

developing RBCs

Question 6

specialized proteins

Answer 6

responsible for cell’s distinctive properties

Question 7

What is the main step the gene regulation is controlled at

Answer 7

transcription of DNA sequence
into RNA

Question 8

How many nt are around a histome

Answer 8

147nt

Question 9

what are the four sections of a histone

Answer 9

H3
H2A
H2B
H4

2 of each

Question 10

What happens to a histone modified at K9

Answer 10

gene silencing

Question 11

What happens to a gene modified at K4

Answer 11

Gene expression

Question 12

WHat is the function of Histone H1

Question 13

How many active X chromosomes do Females have

Answer 13

1 active
1inactive