DNA and Gene Expression
Presentation
•
Science
•
10th Grade
•
Practice Problem
•
Medium
Standards-aligned
Stephanie Miller
Used 54+ times
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1 Slide • 22 Questions
1
2
Multiple Select
What are the 3 parts of a nucleotide?
ATP
deoxyribose sugar
nitrogen base
phosphate group
3
Multiple Choice
What type of bond allows nucleotides to link together, forming the back bone of DNA?
covalent bond
hydrogen bond
ionic bond
metallic bond
4
Multiple Choice
What nitrogen base always bond with thymine (T)?
adenine (A)
cytosine (C)
guanine (G)
thymine (T)
5
Multiple Choice
What nitrogen base always bonds with guanine (G)?
adenine (A)
cytosine (C)
guanine (G)
thymine (T)
6
Multiple Choice
What types of bond allows nitrogen bases to bond, making DNA double stranded?
covalent bond
hydrogen bond
ionic bond
metallic bond
7
Multiple Choice
What does DNA look like?
DNA is a double helix.
DNA is a single stranded molecule.
DNA is a single, twisted molecule.
DNA is double stranded and not twisted.
8
Multiple Choice
Helicase is the enzyme that performs the first step in DNA replication. What does helicase do?
adds nucleotides to create a complementary DNA strand
holds identical copies of DNA together (seen in a chromosome)
unzips the original DNA strand
9
Multiple Choice
DNA Polymerase does most of the work during replication. What is the job of DNA polymerase?
adds nucleotides to create a complementary DNA strand
holds identical copies of DNA together (seen in a chromosome)
unzips the original DNA strand
10
Multiple Choice
When does the cell replicate DNA?
after cell division (mitosis)
before cell division
during cell division
11
Multiple Choice
What is transcription?
the process where mRNA is made from a DNA template
the process where tRNA is made from a DNA template
The process of copying the DNA
when the mRA is read and amino acids join together to create a protein
12
Multiple Choice
Where does transcription occur?
chloroplast
mitochondria
cell membrane
nucleus
13
Multiple Choice
What nitrogen base is not found in RNA?
adenine
cytosine
guanine
thymine
14
Multiple Choice
Which of the following applies to RNA but not DNA?
made of nucleotides
contains cytosine
single stranded
contains a sugar
15
Multiple Choice
Which of the following applies to DNA but not RNA?
contains guanine
contains deoxyribose sugar
made of nucleotides
found in the nucleus
16
Multiple Choice
If a DNA strand reads AGT, what would the mRNA look like?
AGT
TCA
UCA
AGU
17
Multiple Choice
mRNA is created to transport genetic information to the _____.
nucleus
ribosome
mitochondria
chloroplast
18
Multiple Choice
In the ribosome, _____ occurs.
translation
transcription
replication
the cell cycle
19
Multiple Choice
During translation, mRNA is read in segments of three bases called _____.
codons
anticodons
hydrogen bonds
nucleotides
20
Multiple Choice
The codon UCA codes for:
serine (Ser)
leucine (Leu)
threonine (Thr)
STOP
21
Multiple Choice
The codon GGA, codes for:
asparagine (Asp)
STOP
arginine (Arg)
glycine (Gly)
22
Multiple Choice
The codon UAG codes for:
isoleucine (Ile)
STOP
valine (Val)
glutamine (Gln)
23
Multiple Choice
Translation occurs to create _____.
proteins
carbohydrates
lipids
nucleic acids, like DNA
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