BIOL 2070 FINAL EXAM 2024/2025 COMPLETE
QUESTION AND ANSWER GRADED A+ (VERIFIED EXAM)
Upon reaching its target vesicle recognition relies on... - ANSWER: Rab
Vesicle formation ivloves all of the following except - ANSWER: All are involved
-Adaptins
-Dynamin
-COPI
-Clathrins
Which of the following regarding Rab proteins is FALSE - ANSWER: None of the
options
-They have GTPase activity
-They interact with tethering proteins
-They are monomeric
-There are many types of Rab proteins
all of the following are mechanisms of protein sorting except - ANSWER: Aquaporins
Which of the following protein coats are involved in vesicular transport from the
golgi to lysomes - ANSWER: Clathrins + adaptins 1
Receptor tyrosine kinase - ANSWER: Activate their catalytic domains through pairings
All GTP-binding proteins do not - ANSWER: Require regulated inactivation
Which is not a function of intracellular signalling pathways - ANSWER: All options are
a function
-Dist of signals to multiple effectors
-Degradation of signals to mediate responses
-integration of multiple signals
-relay of signals through the cell
which of the following major responses is mediated by cyclic AMP - ANSWER:
glycogen breakdown
which of the following is involved in the inositol phospholipid pathway - ANSWER:
activation of ligand-gated ion channels
which of the following is not a class of intermediate filaments - ANSWER: all are valid
classes
-keratins
-lamins
-vimentins
-neurofilaments
, inside the nucleus, intermediate filaments are not - ANSWER: reassembled via
phosphorylation during cell division
which of the following is not a characteristic of microtubules - ANSWER: they grow
exclusively at the positive end
which monomeric GTPase from the Rho family promotes filopodia formation -
ANSWER: Cdc 42
which protein is responsible for reorganization during chromosome configuration -
ANSWER: condensin
S-Cdk complexes begin t accumulate during which phase - ANSWER: G1
M-Cdk complexes begin to accumulate during which phase - ANSWER: G2
at which checkpoint is progression monitored to ensure there is a favourable
environment for cell division - ANSWER: late G1 phase
dephosphorylation of nuclear pores and lamina occurs during which stage of mitosis
- ANSWER: telophase
integrins - ANSWER: are essential for cell crawling
which of the following is a typical component of a eukaryotic extracellular matrix -
ANSWER: all of the above
-cellulose
-collagen
-pectin
-laminin
which of these cell junctions is typically linked to intermediate filaments - ANSWER:
hemidesmosomes
the tensile strength of tissue is primarily provided by - ANSWER: collagen
hyperextensible skin is most likely the product of a gene defect in the organization of
which of the following - ANSWER: collagen
which of the following is NOT a contributing factor to genetic instability - ANSWER:
all of the options contribute
-defects in cell-cycle checkpoint mechanisms
errors in mitosis
defects in DNA replication
defects in DNA repair
QUESTION AND ANSWER GRADED A+ (VERIFIED EXAM)
Upon reaching its target vesicle recognition relies on... - ANSWER: Rab
Vesicle formation ivloves all of the following except - ANSWER: All are involved
-Adaptins
-Dynamin
-COPI
-Clathrins
Which of the following regarding Rab proteins is FALSE - ANSWER: None of the
options
-They have GTPase activity
-They interact with tethering proteins
-They are monomeric
-There are many types of Rab proteins
all of the following are mechanisms of protein sorting except - ANSWER: Aquaporins
Which of the following protein coats are involved in vesicular transport from the
golgi to lysomes - ANSWER: Clathrins + adaptins 1
Receptor tyrosine kinase - ANSWER: Activate their catalytic domains through pairings
All GTP-binding proteins do not - ANSWER: Require regulated inactivation
Which is not a function of intracellular signalling pathways - ANSWER: All options are
a function
-Dist of signals to multiple effectors
-Degradation of signals to mediate responses
-integration of multiple signals
-relay of signals through the cell
which of the following major responses is mediated by cyclic AMP - ANSWER:
glycogen breakdown
which of the following is involved in the inositol phospholipid pathway - ANSWER:
activation of ligand-gated ion channels
which of the following is not a class of intermediate filaments - ANSWER: all are valid
classes
-keratins
-lamins
-vimentins
-neurofilaments
, inside the nucleus, intermediate filaments are not - ANSWER: reassembled via
phosphorylation during cell division
which of the following is not a characteristic of microtubules - ANSWER: they grow
exclusively at the positive end
which monomeric GTPase from the Rho family promotes filopodia formation -
ANSWER: Cdc 42
which protein is responsible for reorganization during chromosome configuration -
ANSWER: condensin
S-Cdk complexes begin t accumulate during which phase - ANSWER: G1
M-Cdk complexes begin to accumulate during which phase - ANSWER: G2
at which checkpoint is progression monitored to ensure there is a favourable
environment for cell division - ANSWER: late G1 phase
dephosphorylation of nuclear pores and lamina occurs during which stage of mitosis
- ANSWER: telophase
integrins - ANSWER: are essential for cell crawling
which of the following is a typical component of a eukaryotic extracellular matrix -
ANSWER: all of the above
-cellulose
-collagen
-pectin
-laminin
which of these cell junctions is typically linked to intermediate filaments - ANSWER:
hemidesmosomes
the tensile strength of tissue is primarily provided by - ANSWER: collagen
hyperextensible skin is most likely the product of a gene defect in the organization of
which of the following - ANSWER: collagen
which of the following is NOT a contributing factor to genetic instability - ANSWER:
all of the options contribute
-defects in cell-cycle checkpoint mechanisms
errors in mitosis
defects in DNA replication
defects in DNA repair
