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문제 95b
Identify the base and sugar in each of the following nucleosides:
c. cytidine
문제 96c
Identify the base and sugar in each of the following nucleotides:
b. dAMP
문제 96d
Identify the base and sugar in each of the following nucleotides:
d. UMP
문제 98
How do the bases cytosine and uracil differ?
문제 99
Draw the condensed structural formula for CMP.
문제 101
What is similar about the primary structure of RNA and DNA?
문제 103
If the DNA double helix in salmon contains 28% adenine, what is the percentage of thymine, guanine, and cytosine?
문제 106
In DNA, how many hydrogen bonds form between guanine and cytosine?
문제 108a
Write the complementary base sequence for each of the following DNA segments:
c. G G C C T A C C T T A A C G A C G
문제 109a
Match the following statements with rRNA, mRNA, or tRNA:
c. carries genetic information from the nucleus to the ribosomes
문제 110a
Match the following statements with rRNA, mRNA, or tRNA:
a. combines with proteins to form ribosomes
문제 110b
Match the following statements with rRNA, mRNA, or tRNA:
b. brings amino acids to the ribosomes for protein synthesis
문제 111a
What are the possible codons for each of the following amino acids?
a. threonine
문제 112b
What are the possible codons for each of the following amino acids?
b. arginine
문제 114a
What is the amino acid for each of the following codons?
a. CAA
문제 115a
What is the anticodon on tRNA for each of the following codons in an mRNA?
a. AGC
문제 116a
What is the anticodon on tRNA for each of the following codons in an mRNA?
a. GUG
문제 117
Endorphins are polypeptides that reduce pain. What is the amino acid order for the endorphin leucine enkephalin (leu-enkephalin), which has the following mRNA?
AUG UAC GGU GGA UUU CUA UAA
문제 118
Endorphins are polypeptides that reduce pain. What is the amino acid order for the endorphin methionine enkephalin (met-enkephalin), which has the following mRNA?
AUG UAC GGU GGA UUU AUG UAA
문제 120
A polypeptide contains 36 amino acids. How many nucleotides would be found in the mRNA for this polypeptide?
문제 121
What is the difference between a DNA virus and a retrovirus?
문제 123(1)
Match each of the following processes (1 to 5) with one of the items (a to e):
1. replication of DNA
a. DNA polymerase
b. mRNA is synthesized from nuclear DNA
c. viruses
d. restriction enzymes
e. tRNA molecules bond to codons
문제 124(2)
Match each of the following processes (1 to 5) with one of the items (a to e):
2. transcription
a. amino acids are linked together
b. RNA template is used to synthesize DNA
c. helicase unwinds DNA
d. genetic information is transferred from DNA
e. sticky ends join new DNA segment
문제 124(1)
Match each of the following processes (1 to 5) with one of the items (a to e):
1. replication of DNA
a. amino acids are linked together
b. RNA template is used to synthesize DNA
c. helicase unwinds DNA
d. genetic information is transferred from DNA
e. sticky ends join new DNA segment
문제 124(4)
Match each of the following processes (1 to 5) with one of the items (a to e):
4. recombinant DNA
a. amino acids are linked together
b. RNA template is used to synthesize DNA
c. helicase unwinds DNA
d. genetic information is transferred from DNA
e. sticky ends join new DNA segment
문제 124(5)
Match each of the following processes (1 to 5) with one of the items (a to e):
5. reverse transcription
a. amino acids are linked together
b. RNA template is used to synthesize DNA
c. helicase unwinds DNA
d. genetic information is transferred from DNA
e. sticky ends join new DNA segment