Lab: Building Proteins from RNA — Unit test Answers
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21
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Which structural characteristic is seen in RNA but not in DNA?
A
double strandsB
a single strandC
chains of nucleotidesD
a helical shape22
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Which nucleic acid provides the master code for protein synthesis?
A
DNAB
RNAC
mRNAD
tRNA23
Which of the following incorrectly matches the term with its location?
A
DNA is found in a chromosome.B
Chromosomes are found in the nucleus of a cell.C
Genes are located in a nucleotide.D
Nitrogen bases are located in the central rungs of a DNA ladder.24
Anita thinks that she has heterozygous alleles for red hair. If she is correct, which of these diagrams best illustrates Anita’s alleles for red hair?
A
2 chromosomes are labeled Upper R and Upper R.
B
2 chromosomes are labeled Upper R and r.
C
One chromosome is labeled Upper R and another is unlabeled.
D
2 chromosomes are labeled r and r.
25
A single strand of DNA helix has the code ATAGGC. Which would be the complementary code on the other strand of the helix?
A
AUACCGB
CGCTTAC
GCGAATD
TATCCGDid you find these answers helpful?
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