Figure 10 represents a piece of DNA from a gene - VCE - SSCE Biology - Question 4 - 2002 - Paper 1
Question 4
Figure 10 represents a piece of DNA from a gene. The template strand for a section of the gene is shown.
part of the template strand
AAAGTACTGC
complementary strand... show full transcript
Worked Solution & Example Answer:Figure 10 represents a piece of DNA from a gene - VCE - SSCE Biology - Question 4 - 2002 - Paper 1
Step 1
a. In the space provided in Figure 10 write in the complementary bases for the other strand of DNA.
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Answer
The complementary bases for the given DNA sequence are TTTCAGACG. This pairs each base with its complement: A with T, G with C.
Step 2
b. What does the A represent in this DNA sequence?
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Answer
The A in this DNA sequence represents Adenine, one of the four nucleobases in DNA.
Step 3
c. The first step in the process of gene expression is transcription. What is produced during transcription?
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Answer
During transcription, messenger RNA (mRNA) is produced from the template DNA strand.
Step 4
d. The compound produced during transcription attaches to an organelle in the cell.
i. What is the name of this organelle?
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The name of the organelle is the ribosome.
Step 5
ii. What is the name of the step in gene expression which follows transcription and occurs at this organelle?
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Answer
The name of the step is Translation.
Step 6
iii. What is produced during this process mentioned in part ii?
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Answer
During translation, a polypeptide or protein is produced.
