Please give me a complete solutions, don’t work on it if you’re
not going to finished this. This is an old homework, in which I am
using to study for the exam. So please don’t give me half ass
answers.
QUESTION 11
If a DNA segment has the sequence GCTAA, what RNA sequence will
be made from it?
| a. |
CGATT |
|
| b. |
CGUTT |
|
| c. |
CGAUU |
|
| d. |
GCTAA |
|
| e. |
UGATT |
1 points
QUESTION 12
Which of the following brings amino acids to the ribosomes?
| a. |
DNA |
|
| b. |
ribosomal RNA (rRNA) |
|
| c. |
transfer RNA (tRNA) |
|
| d. |
messenger RNA (mRNA) |
|
| e. |
proteins |
1 points
QUESTION 13
What is the product of transcription?
| a. |
mRNA |
|
| b. |
DNA |
|
| c. |
ribosomes |
|
| d. |
proteins |
|
| e. |
amino acids |
1 points
QUESTION 14
What distinguishes one amino acid from another?
| a. |
The presence of an amino group. |
|
| b. |
The presence of a variable side group. |
|
| c. |
The presence of a carboxyl group. |
|
| d. |
The presence of a hydrogen atom. |
|
| e. |
The presence of a carbon. |
1 points
QUESTION 15
How many amino acids are responsible for producing all the
various types of proteins?
| a. |
20 |
|
| b. |
50 |
|
| c. |
10 |
|
| d. |
2 |
|
| e. |
4 |
1 points
QUESTION 16
What are the products of translation?
| a. |
ribosomes |
|
| b. |
DNA |
|
| c. |
nucleotides |
|
| d. |
RNA |
|
| e. |
proteins |
1 points
QUESTION 17
Proteins differ from one another because …
| a. |
of the base (A, C, T, or G) attached to it. |
|
| b. |
the sequence of amino acids in the chain differs from protein to |
|
| c. |
the number of nucleotides found in each protein varies from |
|
| d. |
the bonds linking amino acids differ from protein to |
1 points
QUESTION 18
What is the function of rRNA (ribosomes) in protein
synthesis?
| a. |
They provide a site for transfer RNAs to link to messenger |
|
| b. |
They carry the proteins to their site of action. |
|
| c. |
They provide a source of amino acids. |
|
| d. |
They transcribe the basic DNA code. |
1 points
QUESTION 19
How does DNA differ from RNA?
| a. |
DNA has the bases A, T, C, and G; RNA has the bases A, U, C, and |
|
| b. |
DNA has deoxyribose sugar; RNA has ribose sugar. |
|
| c. |
DNA is a double-stranded molecule; RNA is a single-stranded |
|
| d. |
DNA is longer than RNA. |
|
| e. |
All of the above are correct. |
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