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WorksheetsReview: Quiz Three
Total questions: 24
Worksheet time: 13mins
Which of the following bases is NOT found in RNA?
Adenine
Uracil
Thymine
Guanine
Cytosine
Adenine forms ______ hydrogen bond(s) with thymine.
One
Two
Three
None, they are phosphodiester bonds
Guanine forms ______ phosphodiester bond(s) with cytosine.
One
Two
Three
None, they are hydrogen bonds
Deoxyribose has a H atom on the ________ carbon.
1'
2'
3'
4'
5'
What kind of bonds are phosphodiester bonds?
Covalent
Hydrogen
Ionic
Hydrophobic effect
_______ bonds form the DNA backbone, and ________ bonds form between nitrogenous bases.
Ionic; hydrogen
Hydrogen; peptide
Peptide; phosphodiester
Phosphodiester; hydrogen
If 20% of the bases are thymine, what percent are guanine?
10%
20%
30%
60%
Which bases can pair with adenine? Select all that apply!
Adenine
Thymine
Guanine
Cytosine
Uracil
Which of the following is TRUE of DNA
DNA strands are antiparallel to each other
The 3' ends will always match up
Mutations are always deadly
DNA travels out of the nucleus
Select the function of tRNA
It makes up part of the ribosome
It brings nucleotides to ribosomes
It brings amino acids to ribosomes
It transports finished proteins
Which strand of DNA would pair with
5'-GATCT-3'
5'-CTAGA-3'
5'-CUAGA-3'
5'-AGATC-3'
5'-TCTAG-3'
Which of the following is TRUE?
A=G and C=T
A*T = G*C
A+G = C+T
G+C = A+T
Select the correct levels of structure of DNA, from least to most complex.
Nucleotide, strand, double helix, chromosome, genome
Nucleotide, phosphodiester bond, hydrogen bond, histone
Nitrogenous base, pentose sugar, phosphate group, nucleotide
Single strand, double helix, histone, genome, chromosome
Nucleotide, strand, hairpin loop, 3-D structure
Which protein interacts with DNA to form chromosomes?
Transmembrane protein
Histone
Uracil
Genome
Select the correct levels of structure of RNA, from least to most complex.
Nucleotide, strand, double helix, chromosome, genome
Nucleotide, phosphodiester bond, hydrogen bond, histone
Nitrogenous base, pentose sugar, phosphate group, nucleotide
Single strand, double helix, histone, genome, chromosome
Nucleotide, strand, hairpin loop, 3-D structure
Ture or false: The terminator is transcribed by RNA Polymerase.
True
False
The __________ undergoes modification in ___________ cells.
mature mRNA; eukaryotic
Sigma factor; Prokaryotes
mRNA; prokaryotes
pre-mRNA; eukaryotes
In splicing, _________ are removed and __________ are connected.
Introns; exons
Caps; tails
Exons; introns
Sigma factors; nucleotides
Given the template strand, what is the mRNA strand?
3'- CAAGCTAG -5'
5'- GUUCAUC -3'
5'- CUACUUG -3'
5'- GAACGUAG -3'
5'- CAAGCUAG -3'
Given the coding strand, what is the template strand?
5'- AGCTTA -3'
5'- ATTCGA -3'
5'- UCGAAU -3'
5'- TAAGCT -3'
5'- TCGAAT -3'
In prokaryotes, the ________ delivers the ____________ to the promotor region of the DNA.
RNA Polymerase; ribosome
sigma factor; RNA Polymerase
Splisosome; sigma factor
Sigma factor; mRNA
Where does mRNA modification occur?
In the nucleus of eukaryotes
In the nucleoid of prokaryotes
In the cytoplasm
In the ribosome
What is the central dogma?
DNA --> mRNA --> tRNA --> rRNA
Template strand --> coding strand --> mRNA
Nucleus --> cytoplasm --> ribosome
DNA --> mRNA --> protein
Which of the following are non-coding? Select all that apply!
mRNA
rRNA
tRNA
