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Test Description: Awret
Instructions: Answer all questions to get your test result.
1) What are the three components of a nucleotide?
A
Phosphate group, nitrogen base, deoxyribose sugar
B
Phosphate group, carbon base, deoxyribose sugar
C
CHOPN
D
Phosphorus, Nitrogen, Carbohydate
2) If an organism has 30% adenine, then what is the amount of guanine in the organism?
A
10%
B
20%
C
40%
D
70%
3) Why is a virus considered non-living?
A
Because it cannot reproduce without a host cell
B
Because it respirates through its mitochondria
C
Because it does not breathe
D
Because it has DNA
4) Match the correct words to the types of viruses:
A
HIV - Lysogenic , Influenza - Lytic
B
HIV - Lysogenic, Influenza - Lysogenic
C
HIV - Lytic, Influenza - Lytic
D
HIV - Lytic, Influenza - Lysogenic
5) What happens to the mRNA once it is produced in the nucleus?
A
Moves out side of the cell through diffusion
B
Moves to the cytoplasm where it is translated
C
The mRNA is translated in the nucleus
D
Moves into the nucleus where it is transcribed
6) What is the shape of DNA?
A
Single helix
B
Twisted ladder
C
single strand
D
Double helix
7) Viruses and cells both have
A
DNA and protein
B
chloroplasts
C
ribosomes
D
nucleus
8) Before using a codon table, one must:
A
Convert DNA to mRNA
B
Convert DNA to DNA
C
Convert mRNA to mRNA
D
Convert mRNA to DNA
9) TRANSCRIBE this DNA strand: ATGCACT
A
TACGTTA
B
UAGCUGA
C
UACGUGA
D
TACGTGA
10) What does a virus do inside a host cell?
A
A virus is poisonous so it kills the cell
B
A virus suffocates the cell
C
A virus replicates itself using the machinery of the host cell
D
A virus eats the cells stores of carbohydrate
*select an answer for all questions
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