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PHYS 261 EXAM / PHYS 261 MIDTERM EXAM ACTUAL EXAM REAL QUESTIONS AND CORRECT VERIFIED ANSWERS (FULL REVISED EXAM) LATEST UPDATES |GUARANTEED PASS A+ $17.99
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PHYS 261 EXAM / PHYS 261 MIDTERM EXAM ACTUAL EXAM REAL QUESTIONS AND CORRECT VERIFIED ANSWERS (FULL REVISED EXAM) LATEST UPDATES |GUARANTEED PASS A+
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PHYS 261 EXAM / PHYS 261 MIDTERM EXAM ACTUAL EXAM REAL QUESTIONS AND CORRECT VERIFIED ANSWERS (FULL REVISED EXAM) LATEST UPDATES |GUARANTEED PASS A+

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  • 17 de noviembre de 2024
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  • phys 261 exam phys 261
  • phys 261 exam
  • phys 261 exam phys 261 midterm exam actual exam

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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

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