Use the following information to answer the next question. The DNA strand shown below is thought to contain the genetic code for part of an enzyme ß-galactosidase which is involved in lactose metabolism. (Read the DNA beginning at the left.) -A-T-A-T-G-G-G-G-C-A-T-G The second amino acid coded from the section of DNA for B-galactosidase is Select one: a. thymine b. tryptophan c. serine d. threonine

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter9: Gene Expression And Gene Regulation
Section: Chapter Questions
Problem 15QP
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Use the following information to answer the next
question.
The DNA strand shown below is thought to contain the
genetic code for part of an enzyme B-galactosidase
which is involved in lactose metabolism. (Read the DNA
beginning at the left.)
-A-T-A-T-G-G-G-G-C-A-T-G
The second amino acid coded from the section of DNA
for B-galactosidase is
Select one:
a. thymine
b. tryptophan
c. serine
d. threonine
Transcribed Image Text:Use the following information to answer the next question. The DNA strand shown below is thought to contain the genetic code for part of an enzyme B-galactosidase which is involved in lactose metabolism. (Read the DNA beginning at the left.) -A-T-A-T-G-G-G-G-C-A-T-G The second amino acid coded from the section of DNA for B-galactosidase is Select one: a. thymine b. tryptophan c. serine d. threonine
Use the following information to answer the next
question.
The tables below represent a portion of a DNA molecule and its corresponding mRNA, tRNA, and
polypeptide chain.
DNA:
mRNA:
tRNA:
Amino
acids:
CGT
GCA
UU
W Tryptophan
TGA
A
X
Y
GCA
The nitrogen bases for positions X and Y are,
respectively
and
Transcribed Image Text:Use the following information to answer the next question. The tables below represent a portion of a DNA molecule and its corresponding mRNA, tRNA, and polypeptide chain. DNA: mRNA: tRNA: Amino acids: CGT GCA UU W Tryptophan TGA A X Y GCA The nitrogen bases for positions X and Y are, respectively and
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