PSIO EXAM 1 QUESTIONS & ANSWERS
SOLVED 100% CORRECT.
1 of 46
Term
Which statement makes the most sense?
Give this one a try later!
only a few of genes that mitochondria need.
The magnitude of a graded potential depends on the magnitude of the stimulus,
whereas action potentials are all or none.
, mtDNA is thought to be evolved from the circular genomes of the bacteria
that were incorporated into the early ancestors of today's eukaryotic cells.
This explains why mtDNA is circular.
mRNA is used as a template in the process of translation. Therefore the
presence of the mRNA indicates cells in the subject's nasal passage are actively
manufacturing SARS-CoV-2 protein.
Don't know?
2 of 46
Term
Which of the following best describes the pH of the lysosomal
interior?
Give this one a try later!
The interior of a lysosome generally The interior of a lysosome generally
has the same pH as cytoplasm. has a neutral pH.
The interior of a lysosome generally The interior of a lysosome
has a higher pH than cytoplasm. generally has a lower pH than
cytoplasm.
Don't know?
3 of 46
Term
,Why are integral membrane proteins translated at the rough
endoplasmic reticulum?
Give this one a try later!
Integral membrane proteins
have a hydrophobic region Integral membrane proteins are
that can only be
translated at the Golgi apparatus.
constructed in the interior of
a lipid bilayer.
Integral membrane proteins Integral membrane proteins have a
are synthesized in the cytoplasm hydrophilic region constructed
and transported to the ER. in the cytoplasm.
Don't know?
4 of 46
Term
What is your best estimate of the distance between two side-by-side
folds in the cristae of a typical mitochondrion?
Give this one a try later!
50 nm 100 nm
300 nm 200 nm
Don't know?
, 5 of 46
Term
Is this true or false: "Synthesis of phospholipids and cholesterol
occur in the endoplasmic reticulum."
Give this one a try later!
100 nm False
Histones True
Don't know?
6 of 46
Term
Mitochondria are capable of protein synthesis. Which of the
following statements best describes mitochondrial protein
synthesis?
Give this one a try later!
Mitochondria can produce any
Mitochondria can synthesize all the
protein needed by the cell using
proteins they require using mtDNA.
mtDNA.
SOLVED 100% CORRECT.
1 of 46
Term
Which statement makes the most sense?
Give this one a try later!
only a few of genes that mitochondria need.
The magnitude of a graded potential depends on the magnitude of the stimulus,
whereas action potentials are all or none.
, mtDNA is thought to be evolved from the circular genomes of the bacteria
that were incorporated into the early ancestors of today's eukaryotic cells.
This explains why mtDNA is circular.
mRNA is used as a template in the process of translation. Therefore the
presence of the mRNA indicates cells in the subject's nasal passage are actively
manufacturing SARS-CoV-2 protein.
Don't know?
2 of 46
Term
Which of the following best describes the pH of the lysosomal
interior?
Give this one a try later!
The interior of a lysosome generally The interior of a lysosome generally
has the same pH as cytoplasm. has a neutral pH.
The interior of a lysosome generally The interior of a lysosome
has a higher pH than cytoplasm. generally has a lower pH than
cytoplasm.
Don't know?
3 of 46
Term
,Why are integral membrane proteins translated at the rough
endoplasmic reticulum?
Give this one a try later!
Integral membrane proteins
have a hydrophobic region Integral membrane proteins are
that can only be
translated at the Golgi apparatus.
constructed in the interior of
a lipid bilayer.
Integral membrane proteins Integral membrane proteins have a
are synthesized in the cytoplasm hydrophilic region constructed
and transported to the ER. in the cytoplasm.
Don't know?
4 of 46
Term
What is your best estimate of the distance between two side-by-side
folds in the cristae of a typical mitochondrion?
Give this one a try later!
50 nm 100 nm
300 nm 200 nm
Don't know?
, 5 of 46
Term
Is this true or false: "Synthesis of phospholipids and cholesterol
occur in the endoplasmic reticulum."
Give this one a try later!
100 nm False
Histones True
Don't know?
6 of 46
Term
Mitochondria are capable of protein synthesis. Which of the
following statements best describes mitochondrial protein
synthesis?
Give this one a try later!
Mitochondria can produce any
Mitochondria can synthesize all the
protein needed by the cell using
proteins they require using mtDNA.
mtDNA.
