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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
Phosphorus, Nitrogen, Carbohydate
B
CHOPN
C
Phosphate group, carbon base, deoxyribose sugar
D
Phosphate group, nitrogen base, deoxyribose sugar
2) If an organism has 30% adenine, then what is the amount of guanine in the organism?
A
70%
B
20%
C
40%
D
10%
3) Why is a virus considered non-living?
A
Because it does not breathe
B
Because it cannot reproduce without a host cell
C
Because it respirates through its mitochondria
D
Because it has DNA
4) Match the correct words to the types of viruses:
A
HIV - Lytic, Influenza - Lytic
B
HIV - Lytic, Influenza - Lysogenic
C
HIV - Lysogenic, Influenza - Lysogenic
D
HIV - Lysogenic , Influenza - Lytic
5) What happens to the mRNA once it is produced in the nucleus?
A
Moves into the nucleus where it is transcribed
B
The mRNA is translated in the nucleus
C
Moves out side of the cell through diffusion
D
Moves to the cytoplasm where it is translated
6) What is the shape of DNA?
A
Single helix
B
Double helix
C
single strand
D
Twisted ladder
7) Viruses and cells both have
A
chloroplasts
B
nucleus
C
ribosomes
D
DNA and protein
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
UACGUGA
C
UAGCUGA
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 replicates itself using the machinery of the host cell
C
A virus eats the cells stores of carbohydrate
D
A virus suffocates the cell
*select an answer for all questions
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