Which line respresents the RNA? a) the orange line b) the blue line. In which ti

Question

Which line respresents the RNA?

a) the orange line

b) the blue line.

In which tissue does this gene produce the longer mRNA?

a) pituitary

b) adrenal

Considering your conclusions from the last time you analyzed these mRNAs, what can you deduce about the protein product of this gene in pituitary vs. adrenal tissue?

a) This gene's polypeptide product is longer in pituitary than it is in adrenal tissue.
b) This gene's polypeptide product is longer in adrenal than it is in pituitary tissue.

c) This gene's polypeptide product in pituitary tissue is the same size as it's polypeptide product in adrenal tissue.
d) This analysis is not sufficient to deduce anything about the gene'spolypeptide products in these two tissues.

How many introns does this gene have?

0

1

2

3

4

5

6

7

8

more than 8

Is the 5' end of the gene to the left or to the right?

which of the lettered mutational sire could most likely represent a promoter mutation?

Which of the lettered mutational sites would be most likely to affect polyadenylation of the mRNA?

a

b

c

d

e

f

g

h

a

b

c

d

e

f

g

h

Explanation / Answer

1. (b) blue lines represent RNA (orange lines have loops which represent introns that do not find complementary sequences to hybridize)

2. (a) Pituitary. All the exons are included in the RNA

3. (a) This gene's polypeptide product is longer in pituitary than it is in adrenal tissue.

4. 5 introns

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