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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
True
B
False
2) Adenine always pairs with guanine
A
True
B
False
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
a sex cell that aids in organism reproduction
B
a characteristic of any organism
C
any single amino acid in a multicellular 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
phosphate groups
C
nitrogen bases
D
nucleic acids
7) The backbone of DNA is made up of what two molecules?
A
Deoxyriboseand phosphate group
B
Deoxyriboseand nitrogen base
C
Nucleic acids and amino acids
D
Nitrogen base and phosphate group
8) The parts of DNA that provides the code for proteins are the
A
Sugars
B
Hydrogen bases
C
Nitrogen bases
D
Phosphates
9) What is the brain of the cell
A
Nucleus
B
Chloroplast
C
Mitochondria
D
Ribosome
10) A change in the chromosome structure caused by radiation, chemicals, pollutants or during replication is a/an-
A
Gene
B
Allele
C
Mutation
D
Replication
11) The DNA strain that has a codon ATA would be complementary to which DNA codonbelow
A
UTU
B
UAU
C
TAT
D
CAC
12) What is the main goal of transcription and translation
A
To turn DNA into RNA
B
To create organelles
C
To replicate DNA
D
To make proteins
13) 1 DNA molecule is made up of _____ stands of DNA
A
4
B
3
C
1
D
2
14) DNA Replication happens in the ________
A
Mitochondria
B
Cell Membrane
C
Nucleus
D
Ribosome
15) Translation happens in the _____
A
Cell Membrane
B
Nucleus
C
Ribosome
D
Mitochodria
*select an answer for all questions
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