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Chapter 11: DNA and the Language of Life
Concept Check 11.1
1. How did Griffith's experiments indicate the presence of a "transforming factor" in
bacteria?
2. What did Avery's experiments add to the knowledge gained from Griffith's
experiments?
3. Describe the experimental design that allowed Hershey and Chase to distinguish
between the two options for genetic material.
Concept Check 11.2
1. What are the three parts of a nucleotide? Which parts make up the backbone of a DNA
strand?
2. List the two base pairs found in DNA.
3. If six bases on one strand of a DNA double helix are AGTCGG, what are the six bases
on the complementary section of the other strand of DNA?
Concept Check 11.3
1. Describe how DNA replicates by using a template.
2. List the steps involved in DNA replication.
3. Under what circumstances is DNA replicated?
Concept Check 11.4
1. How did Beadle and Tatum's research result in the "one gene–one polypeptide"
hypothesis?
2. Which molecule completes the flow of information from DNA to protein?
3. Which amino acid is coded for by the RNA sequence CUA?
4. List two ways RNA is different from DNA.
Concept Check 11.5
1. What kind of nucleic acid is made during transcription?
2. How do introns and exons relate to RNA splicing?
3. List the three RNA types involved in transcription and translation, and describe the
role of each.
4. Briefly describe the steps of protein synthesis.
Concept Check 11.6
1. Explain why a base substitution is often less harmful than a base deletion or insertion.
2. Describe how a mutation could be helpful rather than harmful.
3. Give an example of a mutagen.
Chapter 11: DNA and the Language of Life
Concept Check 11.1
1. How did Griffith's experiments indicate the presence of a "transforming factor" in bacteria?
2. What did Avery's experiments add to the knowledge gained from Griffith's experiments?
3. Describe the experimental design that allowed Hershey and Chase to distinguish between the two
options for genetic material.
Concept Check 11.2
1. What are the three parts of a nucleotide? Which parts make up the backbone of a DNA strand?
2. List the two base pairs found in DNA.
3. If six bases on one strand of a DNA double helix are AGTCGG, what are the six bases on the
complementary section of the other strand of DNA?
Concept Check 11.3
1. Describe how DNA replicates by using a template.
2. List the steps involved in DNA replication.
3. Under what circumstances is DNA replicated?
Concept Check 11.4
1. How did Beadle and Tatum's research result in the "one gene–one polypeptide" hypothesis?
2. Which molecule completes the flow of information from DNA to protein?
3. Which amino acid is coded for by the RNA sequence CUA?
4. List two ways RNA is different from DNA.
Concept Check 11.5
1. What kind of nucleic acid is made during transcription?
2. How do introns and exons relate to RNA splicing?
3. List the three RNA types involved in transcription and translation, and describe the role of each.
4. Briefly describe the steps of protein synthesis.
Concept Check 11.6
1. Explain why a base substitution is often less harmful than a base deletion or insertion.
2. Describe how a mutation could be helpful rather than harmful.
3. Give an example of a mutagen.