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