BVMS 1 MODULE 1-3 MCQS WITH
CORRECT ANSWERS
What occurs during S phase of the cell cycle
DNA is replicated
phospholipid structure
Hydrophilic heads and hydrophobic tail
Describe the state of the plasma membrane
Hydrophobic barrier
Fifth G0 phase
Quiescence
Movement of large molecules across the plasma membrane
Transport proteins
Structure of glycogen
straight chain of alpha-glucose (1,4-glycosidic bond).
what steps of the cell cycle are Interphase
G1, G2 and S phase
Most systemic infections gain access to the body via which
route?
Mucosal surfaces
Which histological stain is most commonly used to stain
sectioned tissues for light microscopy
, Hematoxylin and Eosin
The membrane potential of a typical mammalian neurone sits
at approximately -70mV. What is the main factor that
maintains this membrane potential?
The greater permeability of the cell to K+ relative to Na+
What is the process involved in the formation of RNA from a
DNA template called
Transcription
What is the main function of tRNA in protein synthesis?
Identifies amino acids and transfers them to ribosome
How many hydrogen bonds pair Guanine with cytosine in
DNA?
3
In DNA replication, which enzyme is used to join DNA
segments together?
DNA ligase
Components of a reflex arc
Receptor, Receptor message, Integrating centre, error message
and effector
Equilibrium potentials for na+ and K+
na = 60mV, K = -90mV
Absolute refractory period
The period of time after depolarisation within the action potential
in which a further depolarisation cannot occur
CORRECT ANSWERS
What occurs during S phase of the cell cycle
DNA is replicated
phospholipid structure
Hydrophilic heads and hydrophobic tail
Describe the state of the plasma membrane
Hydrophobic barrier
Fifth G0 phase
Quiescence
Movement of large molecules across the plasma membrane
Transport proteins
Structure of glycogen
straight chain of alpha-glucose (1,4-glycosidic bond).
what steps of the cell cycle are Interphase
G1, G2 and S phase
Most systemic infections gain access to the body via which
route?
Mucosal surfaces
Which histological stain is most commonly used to stain
sectioned tissues for light microscopy
, Hematoxylin and Eosin
The membrane potential of a typical mammalian neurone sits
at approximately -70mV. What is the main factor that
maintains this membrane potential?
The greater permeability of the cell to K+ relative to Na+
What is the process involved in the formation of RNA from a
DNA template called
Transcription
What is the main function of tRNA in protein synthesis?
Identifies amino acids and transfers them to ribosome
How many hydrogen bonds pair Guanine with cytosine in
DNA?
3
In DNA replication, which enzyme is used to join DNA
segments together?
DNA ligase
Components of a reflex arc
Receptor, Receptor message, Integrating centre, error message
and effector
Equilibrium potentials for na+ and K+
na = 60mV, K = -90mV
Absolute refractory period
The period of time after depolarisation within the action potential
in which a further depolarisation cannot occur
