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WorksheetsDNA Unit Final Exam Review
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
2.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
3.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
4.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
5.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
6.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
deoxyribose and the nucleus
d)
deoxyribose and phosphate
7.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
8.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
9.
Which of the following is the blueprint for the production of RNA within a cell?
a)
DNA
b)
protein
c)
ATO
d)
carbohydrate
10.
Which of the following best describes how DNA and RNA are similar?
a)
they both contain A and T
b)
They both have a double helix
c)
They are both composed of 5 different nucleotides
d)
they both have C and G
11.
DNA sequence is ACAGTGC. How would this be coded on mRNA?
a)
TGTCACG
b)
UGUCACG
c)
GUGACAU
d)
CACUGUA
12.
What is the relationship between a protein, the cell, and DNA?
a)
DNA is produced by protein which is produced in the cell
b)
Protein is composed of DNA which is produced in the cell
c)
DNA controls the production of protein in the cell
d)
A cell is composed of DNA and protein
13.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
14.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
15.
Which process?
a)
mutation
b)
transcription
c)
respiration
d)
translation
16.
What brings the amino acids to the ribosomes?
a)
DNA
b)
mRNA
c)
tRNA
d)
little mini semi trucks that drive around your cells
17.
Codons are found on _____, while anticodons are found on ____.
a)
DNA, RNA
b)
DNA, mRNA
c)
mRNA, DNA
d)
mRNA, tRNA
18.
Where does the process of translation happen?
a)
nucleus
b)
ribosomes
c)
cytoplasm
d)
smooth endoplasmic reticulum
19.
Where does the process of transcription happen?
a)
nucleus
b)
ribosomes
c)
cytoplasm
d)
rough endoplasmic reticulum
20.
How many nucleotides are found on a codon?
a)
1
b)
2
c)
3
d)
4
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