stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
sickle cell + DNA and RNA + dna-rna-protein + Molecular Biology Basics adv + Molecular Biology Flashcards | StudBud
Explore
/
sickle cell + DNA and RNA + dna-rna-protein + Molecular Biology Basics adv + Molecular Biology
sickle cell + DNA and RNA + dna-rna-protein + Molecular Biology Basics adv + Molecular Biology
57 terms
·
StudBud Administration
·
28 plays
Imported from external platform
Flashcards
57 cards
F
Practice quiz
P
Host live
L
Questions
57
Answers
1
What shape is DNA?
Quadruple helix
Triple helix
Single strand
Double helix
2
True or false: Transcription occurs in the cytoplasm.
True
False
3
What is a mutation?
A DNA sequence change
A cell division process
A protein structure
A type of RNA
4
What is the result of DNA replication?
mRNA strands
Protein chains
New cells
Identical DNA copies
5
Which is not directly involved in protein synthesis?
RNA
Chloroplast
tRNA
Ribosomes
6
What is the process of making proteins?
Transcription
Mutation
Translation
Replication
7
Bacteriophage infection of bacteria includes
Injection of DNA into bacterial cell
Injection of proteins into bacterial cell
8
How many hydrogen bonds between A and T?
Three
Two
One
Four
9
The Sickle cell hemoglobin
sticks together in chains
does not bind CO2
does not bind oxygen
10
What is the function of a gene?
Code for proteins
Replicate DNA
Store energy
Transport nutrients
11
Where does transcription occur?
Cytoplasm
Nucleus
Rough ER
Mitochondria
12
True or false: A gene codes for a lipid
True
False
13
What does mRNA stand for?
Messenger RNA
Mutated RNA
Micro RNA
Mitochondrial RNA
14
A point mutation that changes a nonpolar aa to another nonpolar aa is
more
significant than a polar to non-polar
False
True
15
In the Sickle cell allele of _________ ,glutamic acid is replaced with valine at amino acid 7 of this protein.
RNA polymerase
Insulin
DNA polymerase
hemoglobin
16
What technique did Franklin use?
Microscopy
Spectroscopy
Chromatography
X-ray diffraction
17
What did Chargaff's rules state?
A = C, G = T
A = T, C = G
A = U, C = G
A = G, C = T
18
What technique did Franklin use?
Spectroscopy
Chromatography
Microscopy
X-ray diffraction
19
True or false: mRNA is double-stranded
False
True
20
What is a nucleotide composed of?
Sugar, phosphate, base
Protein, lipid, base
Sugar, protein, base
Carbohydrate, lipid, base
21
Which of the following is NOT a common symptoms of Sickle Cell disease
paralysis
kidney failure
weakness
rashes
22
The cells below are
red blood cells
Sickle cells
hemoglobin cells
red herring cells
23
What did Franklin's X-rays reveal?
DNA is a triangle
DNA is a square
DNA is a double helix
DNA is a circle
24
If a protein contains 900 amino acids, how many codons is that?
500
900
1000
30
25
What forms DNA's backbone?
Nitrogen bases
Lipids
Sugar and phosphate
Proteins
26
Where does DNA replication occur?
Cytoplasm
Ribosome
Nucleus
Mitochondria
27
What is one thing that the Watson and Crick model help explain?
RNA function
DNA replication
Cell division
Protein synthesis
28
What did Chargaff's rules state?
A = G, C = T
A = C, G = T
A = U, C = G
A = T, C = G
29
The symptoms of Sickle cell anemia are caused by
lack of insulin
excessive cell division
lack of oxygen and blood flow to tissues
30
What forms the DNA backbone?
Lipids
Proteins
Nitrogen base hydrogen bonding
Sugar to phosphate covalent bonds
31
What are genes made of?
Proteins only
RNA only
Lipids
DNA only
32
What is the function of DNA?
Build cell walls
Transport nutrients
Store genetic information
Produce energy
33
What are the rungs of DNA ladder?
Nitrogen bases
Protein chains
Phosphate groups
Sugar molecules
34
True or false: RNA is a type of protein.
True
False
35
What is the role of mRNA?
Carry instructions
Copy DNA
Store DNA
Synthesize proteins
36
A function of hemoglobin
Facilitate blood clotting
bind and carry CO2
Facilitate apoptosis
Loading tRNAs with amino acids
37
What did Franklin's X-rays suggest?
DNA is linear
DNA is circular
DNA is a helix
DNA is single-stranded
38
A function of hemoglobin and its host cell type
Bind and carry O2, white blood cells
Bind and carry CO2, endothelial cells
Bind and carry O2, red blood cells
39
Which process copies DNA?
DNA Replication
Mutation
Transcription
Translation
40
What is the shape of DNA?
Quadruple helix
Double helix
Single helix
Triple helix
41
The sugar in DNA
Deoxyribose
Glucose
Purine
Ribose
42
What did Chargaff's rules help explain?
Base pairing
Cell division
Protein synthesis
RNA function
43
What is the correct sequence in expressing of a gene?
transcription, mRNA leaves nucleus, mRNA binds to ribosome, translation
translation, mRNA leaves nucleus, mRNA binds to ribosome, transcription
translation, transcription, mRNA leaves nucleus, mRNA binds to ribosome
44
The Sickle cell allele is defined by a _______ mutation.
Insertion
frame shift
deletion
point
45
Each codon in an mRNA molecule codes for
a protein
a ribosome
an amino acid
46
Watson and Crick used _______'s x-ray diffraction image to figure out the structure of DNA
Griffith's
Franklin's
Chase's
Avery's
47
Sulfur is an element in
DNA and Protein
DNA
Protein
48
How are two DNA strands joined together?
Covalent bonds
Metallic bonds
Hydrogen bonds
Ionic bonds
49
What is a codon?
A DNA segment
A type of RNA
Three mRNA nucleotides that specify an amino acid
A protein
50
Hershey and Chase used _____________ to determine the identity of genetic material.
Bacteriophage, P32, S35, e. coli bacteria
RNAase, DNAase, Protease
Bacteriophage, Cesium, Uranium, e. coli bacteria
51
Phosphorus is an element in
DNA
DNA and protein
Protein
52
Sickle cells tend to clog up
the heart chambers
large arteries
smaller blood vessels
53
Which base is NOT in DNA?
Adenine
Thymine
Uracil
Cytosine
54
What is the role of ribosomes?
Synthesize proteins
Store genetic info
Copy DNA
Transcribe RNA
55
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
56
Where does translation occur?
Cytoplasm
Nucleus
Golgi apparatus
Mitochondria
57
The shape of Sickle cells is caused by
lack of aquaporins in the cell membrane
fiberous chains of hemoglobin
lack of hemoglobin
lack of oxygen in the cells
