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Ch 6 Life Sci
Test Description: DNA
Instructions: Answer all questions to get your test result.
1) How many bases make up code for an amino acid?
A
2
B
4
C
3
D
1
2) Genes consist of a string of nucleotides that give the cell information about how to make a specific trait.
A
true
B
false
3) Which of these is NOT a genetic mutation?
A
generation
B
insertion
C
deletion
D
substitution
4) The shape of DNA is called the
A
double helix
B
triple helix
C
twisted ladder
D
single helix
5) A mutation is a change in the number, type, or order of bases.
A
false
B
true
6) DNA is wound around
A
lipids
B
fats
C
proteins
D
ribosomes
7) Rosalind Franklin found that the amount of adenine always equals the amount of thymine in DNA.
A
true
B
false
8) A molecule that is present in all living cells and that contains the info that determines traits is called
A
CIA
B
NBA
C
DNA
D
RNA
9) The amino acids linked together in ribosomes become
A
DNA
B
ER
C
fats
D
proteins
10) There are 5 bases that a nucleotide can have.
A
true
B
false
11) A copy of a DNA segment that moves out of the nucleus and into the cytoplasm is called
A
cDNA
B
mRNA
C
tRNA
D
rRNA
12) Which is not something a nucleotide contains?
A
sugar
B
phosphate
C
base
D
sulfur
13) Adenine, thymine, cytosine, and guano are the 4 bases a nucleotide can have
A
false
B
true
14) Besides bases, what does tRNA carry?
A
proteins
B
fats
C
carbohydrates
D
amino acids
15) Who built a model of DNA?
A
Chargaff
B
Einstein
C
Watson and Crick
D
Franklin
16) When humans manipulate genes of another organism, that is called
A
genetic god-playing
B
genetic fingerprinting
C
genetic goofing off
D
genetic engineering
17) A cell organelle composed of RNA and protein that produces proteins
A
chloroplast
B
nucleus
C
ribosome
D
ER
18) Give the complementary sequence to AGTTG
A
TCAAC
B
TCAAT
C
CAGGT
D
GCATA
*select an answer for all questions
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