making RNA double stranded and silencing a gene

What's happening at letter A?

voltage gated sodium channels begin to open

Adds nucleotides to the 3' end of DNA

Can people digest cellulose?

No but it's an important part of their diet

DNA and RNA nucleotides both consist of:

A sugar, phosphate and nitrogenous base

Many copies of the virus are produced & bursts the bacteria

Myoglobin is better suited for muscle tissues because

it only releases oxygen at low oxygen pressures

The difference between starch and cellulose is:

Starch has alpha glycosidic linkages and cellulose has beta

Glyceraldehyde Phosphate Dehydrogenase

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Tri 3 Final Review

100 termsStudBud Administration193 plays

Microbiology, DNA, Cellular Respiration, CRISPR CAS9, Biotech, Proteins, Hemoglobin, Carbs and Lipids, Endocrine, and nervous system

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Questions 100

Answers

1
The bohr effect occurs due to:
changes is myoglobin concentration
changes in the amount of muscle mass
changes in pH
none of the above
2
Beta-Lactam antibiotics are more effective on:
Gram -
Gram +
3
Triacylglycerol contains fatty acids and
glycerol
glucose
guanine
glycogen
4
Instead of Thymine, RNA contains:
Cytosine
Guanine
Adenine
Uracil
5
This is the type of bond(s) that exists between base pairs
Hydrogen
Ionic
Ester
Phophodiester
6
The letter A represents the:
repolarization point
hyperpolarization point
resting membrane potential
threshold
7
The image shown is a/an:
mitochondria
embryonic stem cell
embryoblast
blastocyst
8
The difference between saturated and unsaturated fatty acids is:
the number of nitrogen atoms
the number of hydrogen atoms
the presence of triple bonds
the number of carbon atoms
9
The functional group depicted in C is:
carbonyl
amino
amino
carboxyl
10
RNAi works by:
none of the above
cutting up DNA
making DNA double stranded and silencing a gene
making RNA double stranded and silencing a gene
11
The #4 in the image below represents the:
midbrain
thalamus
brainstem
pons
12
This is the atom that Hershey and Chase radioactively labeled in proteins:
Nitrogen
Phosphorous
Sulfur
Carbon
13
Scientist who discovered that there was a transforming agent:
Meselson and Stahl
Avery, McCarty and Macleod
Watson and Crick
Griffith
14
The functional group depicted in A is:
carboxyl
hydroxyl
sulfhydryl
amino
15
Has a thicker cell wall
Gram +
Gram -
16
Current is measured using what unit of measurement?
Ohms
Volts
Amps
millivolts
17
The pathway that is responsible for where objects are is:
dorsal temporal pathway
dorsal parietal pathway
ventral temporal pathway
ventral parietal pathway
18
The functional group depicted in D is:
carboxyl
carbonyl
amino
sulfhydral
19
What's happening at letter A?
voltage gated sodium channels begin to open
voltage gated potassium channels begin to open
voltage gated potassium channels begin to close
voltage gated sodiumchannels begin to close
20
Nuclease
Digests DNA
Joins DNA
Uncoils DNA
Lays down primers
21
T3 and T4 is released by
thymus
thyroid
adrenal glands
parathyroid
22
Binds to peptide chains to prevent peptide bonds from forming
Erythromycin
Penicllin
Cephalosporins
Vancomycin
23
The secondary structure of proteins (alpha helices and beta sheets) relies on:
none of the above
disulfide bridges
hydrogen bonds
ionic bonds
24
What is oxidized in cellular respiration?
Glucose
Carbon Dioxide
Oxygen
Water
25
PCR stands for:
Pretty Cool Reaction
Polymerase Cap Reaction
Polymerase Cheap Reaction
Polymerase Chain Reaction
26
The pathway that is responsible for what objects are is:
ventral temporal pathway
dorsal temporal pathway
ventral parietal pathway
dorsal parietal pathway
27
What letter represents the resting membrane potential?
D
E
C
B
28
The molecule in the image belongs to which group?
Carbohydrates
Proteins
Amino Acids
Lipids
29
The alpha helix and beta pleated sheet are found at what level of protein structure?
Tertiary
Primary
Quaternary
Secondary
30
The #6 in the image below represents the:
cerebellum
midbrain
cerebrum
brainstem
31
DNA polymerase
Removes nucleotides from the 5' end of DNA
Adds nucleotides to the 5' end of DNA
Removes nucleotides from the 3' end of DNA
Adds nucleotides to the 3' end of DNA
32
Helicase
Lays down nucleotides
Unzips DNA
Undoes supercoiling
Zips DNA
33
Can people digest cellulose?
Sometimes- it depends on the time of day they eat it
No but it's an important part of their diet
Yes and it's an important part of their diet
What is cellulose?
34
The bacteria shown are:
gram positive staphylococci
gram negative streptococci
gram positive streptococci
gram negative staphylococci
35
DNA and RNA nucleotides both consist of:
A deoxygenated carbon
Uracil
Thymine
A sugar, phosphate and nitrogenous base
36
In the lytic cycle:
Many copies of the virus are produced & bursts the bacteria
The viral DNA is elongated
The viral DNA is incorporated into the bacterial genome
The viral DNA is shortened
37
Animals store glucose in the form of:
glucagon
starch
cellulose
glycogen
38
All nucleotides contain the same type of:
Sugars
Phosphate Groups
Nitrogenous Bases
Ribose
39
The olfactory system is directly linked to the:
lateral geniculate nucleus
the medulla oblongata
limbic system
the cerebellum
40
Myoglobin is better suited for muscle tissues because
it won't release oxygen at really low oxygen pressures
Myoglobin is not found in muscle tissues
Hemoglobin has too high of affinity for oxygen
it only releases oxygen at low oxygen pressures
41
What stains the lipids in the outer membrane of bacteria during the gram stain?
crystal violet
iodine
ethanol
safranin
42
The difference between starch and cellulose is:
Starch has beta glycosidic linkages and cellulose has alpha
Starch has alpha glycosidic linkages and cellulose has omega
Starch has omega glycosidic linkages and cellulose has beta
Starch has alpha glycosidic linkages and cellulose has beta
43
A peptide bond is formed via a
single replacement reaction
hydrolysis reaction
double replacement reaction
dehydration reaction
44
What's happening at letter C?
sodium is flowing in
potassium is flowing out
potassium is flowing in
sodium is flowing out
45
GAPDH stands for:
Glyceraldehyde Phosphodiester
Glucose Phosphate Dehydrogenase
Glyceraldehyde Phosphate Dehydrogenase
Glucose Dehydrogenase
46
The general formula for a carbohydrate is:
(C3H8O)n
(C8H7O)n
(CH2O)n
(C3H7O)n
47
The folding of a single polypeptide depends a lot on its
number of polypeptides
primary structure
type of peptide bonds formed
number of subunits
48
Base pairing was discovered by:
Hershey and Chase
Griffith
Watson and Crick
Chargaff
49
Photoreceptors that are more sensitive to color are:
Rods
Cones
50
PAM stands for:
protospacer adjacent motif
protospacer accepting motif
protospacer adjacent molecule
protospacer accepting molecule
51
The #2 in the image below represents the:
cerebellum
cerebrum
corpus collosum
thalamus
52
mRNA processing requires that:
introns are removed and 2 3' poly A tails are added
introns are added, 5' cap is added & 3' poly A tail is added
introns are removed,5' cap is added &3' poly A tail is added
introns are removed, and 2 5' caps are added
53
Acquiring DNA from the external environment is a process referred to as
Conjugation
Transactivation
Transformation
Conception
54
This is where RNA Polymerase binds
Operator
Promoter
Repressor
Gene
55
Lactose is made of:
glucose and galactose
none of the above
fructose and galactose
glucose and fructose
56
Antibiotics that impact the cell wall are more effective on:
gram positive
gram negative
57
A peptide bond is indicated by what letter?
A
B
D
C
58
DSB stands for:
Double Strand Bridge
Double Sulfur Bridge
Double Sulfur Break
Double Strand Break
59
An anticodon is a part of :
rRNA
mRNA
DNA
tRNA
60
These prevent changes in pH
Buffers
Hydrocarbons
Sugars
Lipids
61
Scientists who discovered that DNA is replicated in a semi-conservative manner:
Avery, McCarty and Macleod
Meselson and Stahl
Watson and Crick
Griffith
62
Restriction Enzymes cut at:
Promoters
Recognition Sites
Spacer Sequences
Repeat sequences
63
Cooperative binding in hemoglobin is an example of:
an allosteric interaction
many different proteins all working together
proteins denaturing
proteins defying the laws of physics
64
tracrRNA stands for:
Tracker RNA
Tranquilizing RNA
Transactivating RNA
Transatlantic RNA
65
In order to lay down nucleotides, DNA polymerase requires:
Oxygen
Glucose
Ligase
A primer
66
Scientist who took x-rays of DNA to examine its structure:
Rosalind Franklin
Watson and Crick
Griffith
Chargaff
67
What organ produces bicarbonate:
your skin
pancreas
kidneys
liver
68
Does glycolysis require oxygen?
Yes
No
69
The first half of glycolysis is referred to as the investment phase because:
The first half of glycolysis is the energy yielding phase
glucose is unphosphorylated
lots of ATP is produced
glucose is phosphorylated
70
Cortisol is released by:
the thyroid
the pancreas
the adrenal glands
the parathyroids
71
During DNA replication, DNA polymerase adds nucleotides to the ___ end.
5'
3'
1'
2'
72
What is reduced in cellular respiration?
Oxygen
Water
Carbon Dioxide
Glucose
73
This is the gene that produces the repressor:
Required Gene
Regulatory Gene
Restricted Gene
Repressor Gene
74
Ligase
Digests DNA
Fixes mismatched nucleotides
Joins DNA
Causes mismatched nucleotides
75
RNA Primase
Lays down DNA primers
Lays down RNA primers
Turns DNA into RNA
Turns RNA into DNA
76
Supporting cells within the nervous system are called:
sagital cells
neurons
glial cells
mitochondria
77
The cell wall of bacterial cells is made out of:
Cellulose
Lipids
Peptidoglycan
Enzymes
78
Drug that inhibits DNA gyrase:
fluoroquinolones
vancomycin
sulphonamides
erythromycin
79
A bacteriophage is:
a strong bacterial cell
a virus that helps defend bacteria
a virus that infect bacteria
a bad bacterial cell
80
Antibiotic that prevents transpeptidase from reaching the peptide chains in the cell wall:
aminoglycoside
sulphonamides
vancomycin
tetracycline
81
This part of an operon is a protein:
Operator
Gene
Repressor
Promoter
82
Operons are used to:
Control proteins
Control bacteria
Control gene expression
Control DNA replication
83
The 3 main steps of PCR (in order) include:
Cut, denature, anneal
Cut, denature, extend
Denature, Extend, Anneal
Denature, Anneal, Extend
84
SSBP stands for:
Single Stranded Binding Protein
Single Selectable Base Pair
Super Stranded Binding Protein
Single Stranded Base Pair
85
The #1 in the image below represents the:
corpus collosum
cerebrum
thalamus
cerebellum
86
Embryonic Stem Cells are also known as:
Removes DNA primers
embryoblasts
blastocysts
morulas
87
The main neurotransmitter at the neuromuscular junction is:
serotonin
acetylcholine
dopamine
glutamate
88
Scientists who confirmed that DNA was the transforming agent using viruses and bacteria.
Meselson and Stahl
Avery, McCarty and MacLeod
Hershey and Chase
Watson and Crick
89
Antiparallel means that:
One strand contains purines and pyrimidines
The twisting nature of DNA makes them antiparallel
The 2 strands of dsDNA run counter to one another
One DNA strand is positive and one is negative
90
The functional group depicted in E is:
amino
Sulfhydryl
carboxyl
carbonyl
91
DNA is replicated
Randomly
Semi-conservatively
Dispersively
Conservatively
92
The hypothalamus controls the anterior pituitary by:
none of the above
the direct connection with neurons
releasing hormones
exclusively cAMP
93
What combination of hormones helps mothers with breast feeding and production:
leutinizing hormone and oxytocin
oxytocin and prolactin
leutinizing hormone and prolactin
prolactin and calcitonin
94
The functional group depicted in B is:
carbonyl
amino
carboxyl
amino
95
The #3 in the image below represents the:
thalamus
cerebrum
corpus collosum
cerebellum
96
Inhibits folic acid synthesis:
Sulphonamides
Vancomycin
Erythromycin
Fluoroquinolones
97
Homologous recombination and homology directed repair both:
involve tRNA
repair double strand breaks
are invented by scientists
are manmade
98
The #5 in the image below represents the:
pons
thalamus
midbrain
brainstem
99
Transpeptidation refers to:
Breaking of peptidoglycan
Creation of peptidoglycan
Breaking of peptide bond
Creation of peptide bond
100
The end products of glycolysis are:
2 NADH, 2ATP, 2 FADH2
2 NADH, 2 FADH2, 2 Pyruvate
2 NADH, 2 ATP, 2 Pyruvate
2 NADH, 2 ATP, 2 CO2

Tri 3 Final Review Flashcards | StudBud