PHYS 261 EXAM / PHYS 261 MIDTERM EXAM ACTUAL
EXAM REAL QUESTIONS AND CORRECT VERIFIED
ANSWERS (FULL REVISED EXAM) LATEST UPDATES |
GUARANTEED PASS A+
________ are kept within normal range by physiological control mechanisms which
are used if the variable strays too far from its ________. - ANSWER: Regulated
variables , set point
Which are used to keep our systems at or near their set point - ANSWER: Negative
feedback loops
a reaction to a stimulus - ANSWER: Response
An organelle containing digestive enzymes - ANSWER: Lysosome
Which cytoskeleton components are responsible for the movement of chromosomes
during cell division - ANSWER: Microtubules
Nucleoli function in the production of - ANSWER: RNA for ribosomes
The beta cells of the pancreas produce insulin , a protein hormone . Which organelle
would be found in higher levels in the beta cells ? - ANSWER: Ribosomes
What does cytosine pair with ? - ANSWER: Guanine
Trypsin is an active protein needed for protein digestion. Trypsin has to be activated
since our body produces it in its inactive form . Which of the following is the inactive
form of trypsin? - ANSWER: Trypsiogen
If a solution has a ph level less that 7 it is , - ANSWER: Acidic
What is a nucleotide made up of ? - ANSWER: Sugar , base , and phosphate group
When multiple tertiary structures come together it creates what structure of a
protein ? - ANSWER: Quaternary
A depressed person is prescribed antidepressants. This antidepressant works by
replenishing an amino acid that is release by nerve cells and functions as a
neurotransmitter in our body . Which amino acid did the drug replenish? - ANSWER:
GABA
What type of organic molecule is the prion composed of ? - ANSWER: Protein
Transcription of the DNA triplet sequence ATC yields - ANSWER: UAG
, Enzymes that synthesize mRNA from the dna template are called - ANSWER: RNA
polymerase
What effect would lack of an enzyme's cofactor have on the enzymes function? -
ANSWER: The enzyme would not be able to function
If the enzyme RNA polymerase was completely inhibited within a cell, it could not -
ANSWER: Form proteins
When an indirect form of energy is released during reactions , it is captured by
energy carrying molecules called coenzymes . What would be considered a
coenzyme? - ANSWER: NAD
During starvation your body will take the store fats and break it down to form acetyl
coa to make atp , what pathway will the acetyl coa enter ? - ANSWER: Kreb cycle
1. Transcriptional factors bind " tata " box 2. Enzyme binds promoter 3. nucleotides
complimentary to dna are placed 4. Exons are put together 5. Poly " A" tails are put
together - ANSWER: Transcription
A cell transports large molecules into the cell by using small vesicles . What is this
process called ? - ANSWER: Endocytosis
what are the two components of extracellular fluid? - ANSWER: plasma and
interstitial fluid
1. GABA binds to its receptors on the post synaptic membrane 2. Ligand gated
chloride channels open 3. Chloride enters the cell 4. Membrane potential reaches -
80mv - ANSWER: graded potential
1. Action potential arrives at the action terminal 2. Voltage-gated calcium channels
open 3. Calcium enters axon terminal 4. Neurotransmitter is released into the
synaptic cleft - ANSWER: Synaptic transmission
The structure that connects the two cerebral hemispheres - ANSWER: Corpus
callosum
An important structure in both learning and memory - ANSWER: Hippocampus
The brain consumes about half of Circulating in the body - ANSWER: Glucose
The brains integration of sensory stimuli - ANSWER: Perception
There is a story about an autopsy having been performed on a space alien in New
Mexico , many decades ago . Assuming that this alien was well educated and trained
on its planet similar to how NASA educates and trains astronauts on earth what
EXAM REAL QUESTIONS AND CORRECT VERIFIED
ANSWERS (FULL REVISED EXAM) LATEST UPDATES |
GUARANTEED PASS A+
________ are kept within normal range by physiological control mechanisms which
are used if the variable strays too far from its ________. - ANSWER: Regulated
variables , set point
Which are used to keep our systems at or near their set point - ANSWER: Negative
feedback loops
a reaction to a stimulus - ANSWER: Response
An organelle containing digestive enzymes - ANSWER: Lysosome
Which cytoskeleton components are responsible for the movement of chromosomes
during cell division - ANSWER: Microtubules
Nucleoli function in the production of - ANSWER: RNA for ribosomes
The beta cells of the pancreas produce insulin , a protein hormone . Which organelle
would be found in higher levels in the beta cells ? - ANSWER: Ribosomes
What does cytosine pair with ? - ANSWER: Guanine
Trypsin is an active protein needed for protein digestion. Trypsin has to be activated
since our body produces it in its inactive form . Which of the following is the inactive
form of trypsin? - ANSWER: Trypsiogen
If a solution has a ph level less that 7 it is , - ANSWER: Acidic
What is a nucleotide made up of ? - ANSWER: Sugar , base , and phosphate group
When multiple tertiary structures come together it creates what structure of a
protein ? - ANSWER: Quaternary
A depressed person is prescribed antidepressants. This antidepressant works by
replenishing an amino acid that is release by nerve cells and functions as a
neurotransmitter in our body . Which amino acid did the drug replenish? - ANSWER:
GABA
What type of organic molecule is the prion composed of ? - ANSWER: Protein
Transcription of the DNA triplet sequence ATC yields - ANSWER: UAG
, Enzymes that synthesize mRNA from the dna template are called - ANSWER: RNA
polymerase
What effect would lack of an enzyme's cofactor have on the enzymes function? -
ANSWER: The enzyme would not be able to function
If the enzyme RNA polymerase was completely inhibited within a cell, it could not -
ANSWER: Form proteins
When an indirect form of energy is released during reactions , it is captured by
energy carrying molecules called coenzymes . What would be considered a
coenzyme? - ANSWER: NAD
During starvation your body will take the store fats and break it down to form acetyl
coa to make atp , what pathway will the acetyl coa enter ? - ANSWER: Kreb cycle
1. Transcriptional factors bind " tata " box 2. Enzyme binds promoter 3. nucleotides
complimentary to dna are placed 4. Exons are put together 5. Poly " A" tails are put
together - ANSWER: Transcription
A cell transports large molecules into the cell by using small vesicles . What is this
process called ? - ANSWER: Endocytosis
what are the two components of extracellular fluid? - ANSWER: plasma and
interstitial fluid
1. GABA binds to its receptors on the post synaptic membrane 2. Ligand gated
chloride channels open 3. Chloride enters the cell 4. Membrane potential reaches -
80mv - ANSWER: graded potential
1. Action potential arrives at the action terminal 2. Voltage-gated calcium channels
open 3. Calcium enters axon terminal 4. Neurotransmitter is released into the
synaptic cleft - ANSWER: Synaptic transmission
The structure that connects the two cerebral hemispheres - ANSWER: Corpus
callosum
An important structure in both learning and memory - ANSWER: Hippocampus
The brain consumes about half of Circulating in the body - ANSWER: Glucose
The brains integration of sensory stimuli - ANSWER: Perception
There is a story about an autopsy having been performed on a space alien in New
Mexico , many decades ago . Assuming that this alien was well educated and trained
on its planet similar to how NASA educates and trains astronauts on earth what
