Exam (elaborations)
APHY 101 FINAL EXAM
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Exam of 73 pages for the course IVY TECH APHY 101 at IVY TECH APHY 101 (APHY 101 FINAL EXAM)
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a junction between two neurons
,what is action potential?
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At threshold potential, membrane permeability to sodium suddenly
changes in the region of stimulation. As sodium channels open, sodium
ions rush in, and the membrane potential changes and becomes
depolarized. At the same time, potassium channels open to allow
potassium ions to leave the cell, the membrane becomes repolarized, and
resting potential is reestablished. This rapid sequence of events is the
action potential.
Which are components of thin filaments?
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actin, troponin, tropomyosin
What are the two types of metabolic reactions?
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Anabolism and Catabolism
Stratified Columnar Epithelium
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, several layers of cells and is found in the vas deferens, part of the male
urethra, and parts of the pharynx
Spongy bone?
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Lighter section of the bone often filled with red bone marrow. This is what
epiphyses are composed of.
Atomic mass
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number of protons plus number of neutrons
cytosol
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the liquid part of the cytoplasm in which various organelles are suspended
Simple Cuboidal Epithelium
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, single layer of cube-shaped cells with
centrally located nuclei; it functions in secretion and absorption in the
kidneys, and in secretion in
glands
PLANTAR FLEXION
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pointing the toes downward, like on your tip toes
Mutations
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The rare distinctions in DNA sequence that affect how we look or feel.
Mutations may be spontaneous (due to transient mispairing during DNA
replication) or induced by exposure to certain chemicals or radiation.
What are the 4 types the RNA molecule base can be?
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A) adenine
(T) uracil
(C) cytosine
(G) guanine
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