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DNA
Test Description: DNA Structure, Replication, and Function
Instructions: Answer all questions to get your test result.
1) DNA is in the shape of a helix
A
False
B
True
2) Adenine always pairs with guanine
A
False
B
True
3) Hydrogen bonds hold nitrogenous base pairs together.
A
True
B
False
4) The building block of DNA is the nucleotide which contains a deoxyriboses ugar, phosphate group, and a nitrogenous base
A
False
B
True
5) What is a gene?
A
any single amino acid in a multicellular organism
B
a sex cell that aids in organism reproduction
C
a characteristic of any organism
D
a set of instructions in the DNA sequence of an organism
6) Adenine, thymine, guanine, and cytosine are the _______ that make up the nucleotides of DNA
A
5-carbon sugars
B
nitrogen bases
C
phosphate groups
D
nucleic acids
7) The backbone of DNA is made up of what two molecules?
A
Deoxyriboseand phosphate group
B
Nucleic acids and amino acids
C
Deoxyriboseand nitrogen base
D
Nitrogen base and phosphate group
8) The parts of DNA that provides the code for proteins are the
A
Nitrogen bases
B
Phosphates
C
Hydrogen bases
D
Sugars
9) What is the brain of the cell
A
Nucleus
B
Mitochondria
C
Chloroplast
D
Ribosome
10) A change in the chromosome structure caused by radiation, chemicals, pollutants or during replication is a/an-
A
Allele
B
Replication
C
Gene
D
Mutation
11) The DNA strain that has a codon ATA would be complementary to which DNA codonbelow
A
TAT
B
CAC
C
UTU
D
UAU
12) What is the main goal of transcription and translation
A
To create organelles
B
To replicate DNA
C
To make proteins
D
To turn DNA into RNA
13) 1 DNA molecule is made up of _____ stands of DNA
A
2
B
1
C
3
D
4
14) DNA Replication happens in the ________
A
Ribosome
B
Cell Membrane
C
Mitochondria
D
Nucleus
15) Translation happens in the _____
A
Mitochodria
B
Cell Membrane
C
Ribosome
D
Nucleus
*select an answer for all questions
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