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7th Grade DNA Test 2
Test Description: Genes and DNA
Instructions: Answer all questions to get your test result.
1) The form of mutation where one base is replaced by another kind
A
insertion
B
substitution
C
mutagen
D
deletion
2) The organelle where protins are synthesized by messenger RNA and transfer RNA
A
ribosome
B
nucleus
C
mitochondria
D
chloroplasts
3) Material shaped like a double helix that determines inherited characteristics
A
DNA
B
RNA
C
gene
D
proteins
4) A molecule that makes a mirror copy of sections of DNA and helps make proteins
A
DNA
B
protein
C
ribosome
D
RNA
5) A string of nucleotides that give the cell information about how to make a specific trait
A
ribosome
B
DNA
C
gene
D
protein
6) A change in DNA caused by random error or a mutagen
A
gene
B
DNA
C
RNA
D
mutation
7) The material made of amion acids that causes most of the differences we see in organisms
A
RNA
B
ribosome
C
DNA
D
proteins
8) A physical or chemical agent that can cause a mutation
A
chromosome
B
mutagen
C
replicaiton
D
protein
9) In a cell nucleus, the structures that strands of DNA are bound into
A
amino acids
B
chromosomes
C
proteins
D
mutagen
10) Chemical parts that are transfered to the ribosome by transfer RNA and matched to messenger RNA
A
chromosoems
B
amino acids
C
proteins
D
thymine
*select an answer for all questions
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