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Duplicate of sickle cell + DNA and RNA + dna-rna-protein + Molecular Biology Basics adv + Molecular Biology Flashcards | StudBud
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Duplicate of sickle cell + DNA and RNA + dna-rna-protein + Molecular Biology Basics adv + Molecular Biology
Duplicate of sickle cell + DNA and RNA + dna-rna-protein + Molecular Biology Basics adv + Molecular Biology
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Answers
1
What did Chargaff's rules help explain?
Cell division
Protein synthesis
Base pairing
RNA function
2
Bacteriophage infection of bacteria includes
Injection of proteins into bacterial cell
Injection of DNA into bacterial cell
3
What are genes made of?
DNA only
Lipids
RNA only
Proteins only
4
Where does translation occur?
Nucleus
Golgi apparatus
Cytoplasm
Mitochondria
5
Sickle cells tend to clog up
smaller blood vessels
large arteries
the heart chambers
6
The Sickle cell allele is defined by a _______ mutation.
point
Insertion
frame shift
deletion
7
How are two DNA strands joined together (base pairs)?
Ionic bonds
Covalent bonds
Metallic bonds
Hydrogen bonds
8
What is the result of DNA replication?
New cells
Identical DNA copies
Protein chains
mRNA strands
9
What did Chargaff's rules state?
A = T, C = G
A = C, G = T
A = G, C = T
A = U, C = G
10
The sugar in
RNA
DNA
11
Where does DNA replication occur?
Cytoplasm
Mitochondria
Ribosome
Nucleus
12
What is the function of a gene?
Transport nutrients
Store energy
Code for proteins
Replicate DNA
13
True or false: Transcription occurs in the cytoplasm.
True
False
14
The shape of Sickle cells is caused by
lack of oxygen in the cells
lack of aquaporins in the cell membrane
fiberous chains of hemoglobin
lack of hemoglobin
15
The cells below are
red herring cells
hemoglobin cells
Sickle cells
red blood cells
16
Which base is NOT in DNA?
Cytosine
Uracil
Adenine
Thymine
17
What did Hershey and Chase use to separate bacteriophage with bacterial cells?
Blender
Radiation
Bleach
18
If a protein contains 900 amino acids, how many codons is that?
1000
30
900
500
19
Which of the following is NOT a common symptoms of Sickle Cell disease
weakness
paralysis
rashes
kidney failure
20
Watson and Crick used _______'s x-ray diffraction image to figure out the structure of DNA
Avery's
Griffith's
Chase's
Franklin's
21
What forms the DNA backbone?
Sugar to phosphate covalent bonds
Lipids
Nitrogen base hydrogen bonding
Proteins
22
A function of hemoglobin and its host cell type
Bind and carry O2, red blood cells
Bind and carry O2, white blood cells
Bind and carry CO2, endothelial cells
23
True or false: A gene codes for a lipid
False
True
24
Phosphorus is an element in
DNA
Protein
DNA and protein
25
Sulfur is an element in
DNA
DNA and Protein
Protein
26
Which is not directly involved in protein synthesis?
Chloroplast
Ribosomes
tRNA
RNA
27
Hershey and Chase used _____________ to determine the identity of genetic material.
RNAase, DNAase, Protease
Bacteriophage, Cesium, Uranium, e. coli bacteria
Bacteriophage, P32, S35, e. coli bacteria
28
The symptoms of Sickle cell anemia are caused by
lack of blood flow to tissues
lack of insulin
excessive cell division
29
True or false: mRNA is double-stranded
False
True
30
What is the role of ribosomes?
Store genetic info
Synthesize proteins
Transcribe RNA
Copy DNA
31
What is the function of DNA?
Produce energy
Store genetic information
Transport nutrients
Build cell walls
32
Which process copies DNA?
Transcription
Mutation
Translation
DNA Replication
33
A point mutation that changes a polar amino acid(aa) to another polar aa is
more
significant than a polar to non-polar
True
False
34
The Sickle cell hemoglobin
does not bind CO2
does not bind oxygen
sticks together in chains
35
Each codon in an mRNA molecule codes for
an amino acid
a ribosome
a protein
36
The shape of red blood cells in Sickle cell anemia is due to
lack of carbon dioxide
long chains of hemoglobin
lack of oxygen
37
What is the process of making proteins?
Translation
Transcription
Mutation
Replication
38
Where does transcription occur?
Mitochondria
Cytoplasm
Nucleus
Rough ER
39
In the Sickle cell allele, a glutamic acid is replaced with valine at amino acid 7 of this protein.
Insulin
hemoglobin
RNA polymerase
DNA polymerase
40
A point mutation that changes a nonpolar aa to another nonpolar aa is
more
significant than a polar to non-polar
True
False
41
How many hydrogen bonds between A and T?
One
Three
Four
Two
42
A function of hemoglobin
Facilitate apoptosis
Facilitate blood clotting
bind and carry CO2
Loading tRNAs with amino acids
43
Bacteriophage inject ______ into bacterial cells.
DNA
RNA
Protein
44
What is the correct sequence in expressing of a gene?
transcription, mRNA leaves nucleus, mRNA binds to ribosome, translation
translation, transcription, mRNA leaves nucleus, mRNA binds to ribosome
translation, mRNA leaves nucleus, mRNA binds to ribosome, transcription
45
The process of gene expression begins with this process performed by this enzyme
translation, ribosomes
mRNA transport out of nucleus, transporter enzyme
transcription, RNA polymerase
46
What is one thing that the Watson and Crick model help explain?
Protein synthesis
Cell division
DNA replication
RNA function
47
What is a mutation?
A DNA sequence change
A type of RNA
A protein structure
A cell division process
