EXAM 3 RNAS-C WITH VERIFIED
QUESTIONS AND CORRECT ANSWERS
mediates .receptor-mediated .endocytosis
- ANSWERS-clathrin-coated .pits
is .found .in .areas .where .macromolecules .need .to .diffuse .across
.membranes .and . is .found .in .areas .where .tissue .experiences .high
.mechanical .stress
- ANSWERS-simple .epithelium
.Stratified .epithelium
immunity .is .capable .of .preventing .a . pathogen .from .infecting .a
cell. immunity .is .capable .of .killing .any .cells .that .become .infected .with
.a .pathogen.
- ANSWERS-humoral
.cell-mediated
4 .hallmarks .of .inflammation
- ANSWERS-1. .Redness .- .dilation .of .blood .vessels
2. Swelling .- .fluid .and .cells .migrate .into .the .tissue
3. Pain .- .swelling .and .chemical .mediators .interact .with .sensory .receptors
4. Heat .- .chemical .mediators .cause .body .temperature .to .elevate
5' .cap
- ANSWERS-Modified .guanine .nucleotide .added .to .the .5'end .of .pre-mRNA
A .CD4+ .T .cell .interacts .with .its .specific .peptide .presented .on .MHC .class .II. .What
.signal(s) .does .the .T .cell .receive .from .this .interaction? .(select .all .that .apply)
A. T .cell .produces .cytokines .that .get .secreted .into .its .environment.
B. T .cell .undergoes .mitosis .and .produces .genetically .identical .daughter .cells
C. T .cell .differentiates .into .cells .with .different .phenotypes
D. T .cell .alters .its .genotype
- ANSWERS-ABC .- .The .same .also .occurs .for .CD8+ .T .cells .that .are
.activatedby .antigen-loaded .MHC .class .I
Activation .of .CD4+ .T .cells .also .changes .their .
- ANSWERS-phenotype
Adenylyl .cyclase .role
- ANSWERS-Produces .second .messengers
, aminoacyl-tRNA .synthetase
- ANSWERS-attach .amino .acids .to .tRNAs
Antibodies .can . virus .from .entering .a .cell
- ANSWERS-neutralize
AZT .- .what .is .it .used .to .treat?
- ANSWERS-HIV .- .Human .immunodeficiency .virus .(HIV)
CD4+ .T .cells .will .recognize .the .peptide .presented .by . and .CD8+ .T .cells
.will .recognize .peptide .presented .by .
- ANSWERS-MHC .class .II
MHC .class .I
clathrin-coated .pits
- ANSWERS-aggregations .of .ligand-bound .receptors .on .a .cell .membrane .that
.pinches .off .and .is .internalized .into .the .cell
Collagen
- ANSWERS-strong ."bundled" .fibers .of .the .extracellular .matrix .that .give .tissue .rigidity
Dexamethasone
- ANSWERS-reduces, .but .does .not .completely .stop .pro-inflammatory .cytokine
.production .(think .of .a .leaky .faucet .instead .of .a .pipe .burst). .You .would .want .the
.immune .response .to .still .be .able .to .respond .to .the .infection .in .a .controlled .manner
Each .of .the .following .statements .describes .a .step .in .the .replication .of .SARS .CoV-2.
.Determine .the .order .in .which .they .occur .in .the .human .body:
A. The .virus .releases .its .RNA .genome .into .the .cell.
B. Viral .RNA .polymerase .helps .transcribe .more .copies .of .the .virus's .RNA.
C. The .virus .binds .to .a .receptor .on .a .human .cell's .membrane.
D. New .viruses .travel .to .the .cell .membrane .of .the .infected .cell .and .are .released
.outside .the .cell.
E. The .virus's .RNA .is .translated .into .proteins .by .the .cell's .ribosomes.
- ANSWERS-C, .A, .E, .B, .D
END .OF .14-15
- ANSWERS-END .OF .14-15
Extracellular .membrane-associated .TLRs .detect . pathogens
.Endosome-associated .TLRs .detect . and . bacteria
- ANSWERS-extracellular
.viruses .and .intracellular
.bacteria
QUESTIONS AND CORRECT ANSWERS
mediates .receptor-mediated .endocytosis
- ANSWERS-clathrin-coated .pits
is .found .in .areas .where .macromolecules .need .to .diffuse .across
.membranes .and . is .found .in .areas .where .tissue .experiences .high
.mechanical .stress
- ANSWERS-simple .epithelium
.Stratified .epithelium
immunity .is .capable .of .preventing .a . pathogen .from .infecting .a
cell. immunity .is .capable .of .killing .any .cells .that .become .infected .with
.a .pathogen.
- ANSWERS-humoral
.cell-mediated
4 .hallmarks .of .inflammation
- ANSWERS-1. .Redness .- .dilation .of .blood .vessels
2. Swelling .- .fluid .and .cells .migrate .into .the .tissue
3. Pain .- .swelling .and .chemical .mediators .interact .with .sensory .receptors
4. Heat .- .chemical .mediators .cause .body .temperature .to .elevate
5' .cap
- ANSWERS-Modified .guanine .nucleotide .added .to .the .5'end .of .pre-mRNA
A .CD4+ .T .cell .interacts .with .its .specific .peptide .presented .on .MHC .class .II. .What
.signal(s) .does .the .T .cell .receive .from .this .interaction? .(select .all .that .apply)
A. T .cell .produces .cytokines .that .get .secreted .into .its .environment.
B. T .cell .undergoes .mitosis .and .produces .genetically .identical .daughter .cells
C. T .cell .differentiates .into .cells .with .different .phenotypes
D. T .cell .alters .its .genotype
- ANSWERS-ABC .- .The .same .also .occurs .for .CD8+ .T .cells .that .are
.activatedby .antigen-loaded .MHC .class .I
Activation .of .CD4+ .T .cells .also .changes .their .
- ANSWERS-phenotype
Adenylyl .cyclase .role
- ANSWERS-Produces .second .messengers
, aminoacyl-tRNA .synthetase
- ANSWERS-attach .amino .acids .to .tRNAs
Antibodies .can . virus .from .entering .a .cell
- ANSWERS-neutralize
AZT .- .what .is .it .used .to .treat?
- ANSWERS-HIV .- .Human .immunodeficiency .virus .(HIV)
CD4+ .T .cells .will .recognize .the .peptide .presented .by . and .CD8+ .T .cells
.will .recognize .peptide .presented .by .
- ANSWERS-MHC .class .II
MHC .class .I
clathrin-coated .pits
- ANSWERS-aggregations .of .ligand-bound .receptors .on .a .cell .membrane .that
.pinches .off .and .is .internalized .into .the .cell
Collagen
- ANSWERS-strong ."bundled" .fibers .of .the .extracellular .matrix .that .give .tissue .rigidity
Dexamethasone
- ANSWERS-reduces, .but .does .not .completely .stop .pro-inflammatory .cytokine
.production .(think .of .a .leaky .faucet .instead .of .a .pipe .burst). .You .would .want .the
.immune .response .to .still .be .able .to .respond .to .the .infection .in .a .controlled .manner
Each .of .the .following .statements .describes .a .step .in .the .replication .of .SARS .CoV-2.
.Determine .the .order .in .which .they .occur .in .the .human .body:
A. The .virus .releases .its .RNA .genome .into .the .cell.
B. Viral .RNA .polymerase .helps .transcribe .more .copies .of .the .virus's .RNA.
C. The .virus .binds .to .a .receptor .on .a .human .cell's .membrane.
D. New .viruses .travel .to .the .cell .membrane .of .the .infected .cell .and .are .released
.outside .the .cell.
E. The .virus's .RNA .is .translated .into .proteins .by .the .cell's .ribosomes.
- ANSWERS-C, .A, .E, .B, .D
END .OF .14-15
- ANSWERS-END .OF .14-15
Extracellular .membrane-associated .TLRs .detect . pathogens
.Endosome-associated .TLRs .detect . and . bacteria
- ANSWERS-extracellular
.viruses .and .intracellular
.bacteria
