Anatomy & Physiology: The Unity of Form and Function
8th Edition
ISBN: 9781259277726
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Chapter 12, Problem 7TYR
Summary Introduction
Introduction:
The nerve fiber is insulated by a spiral layer called myelin, which is produced in both CNS and PNS. This myelin sheath is absent in unmyelinated nerve cells. The myelinated cells conduct signals in a distinct manner known as saltatory conduction; saltatory means “jumping” or “leaping”. These myelinated fibers are unable to conduct the signal continuously.
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Students have asked these similar questions
For short answer
questions, write your
answers on the line
provided. To the right is
the mRNA codon table
to use as needed
throughout the exam.
First letter
U
บบบ
U CA
UUCPhe
UUA
UCU
Phe UCC
UUG Leu
CUU
UAU.
G
U
UAC TV UGCys
UAA Stop UGA Stop A
UAG Stop UGG Trp
Ser
UCA
UCG
CCU]
0
CUC
CUA
CCC
CAC
CAU His
CGU
CGC
Leu
Pro
CCA
CAA
Gin
CGA Arg
CUG
CCG
CAG
CGG
AUU
ACU
AAU T
AUC lle
A
1
ACC
Thr
AUA
ACA
AUG
Mot ACG
AGG Arg
GUU
GCU
GUC
GCC
G
Val
Ala
GAC Asp
GGU
GGC
GUA
GUG
GCA
GCG
GAA
GGA
Gly
Glu
GAGJ
GGG
AACASH AGU Ser
AAA1
AAG Lys
GAU
AGA
CAL CALUCAO CAO
G
Third letter
1. (+7) Use the table below to answer the questions; use the codon table above to assist you.
The promoter sequence of DNA is on the LEFT. You do not need to fill in the entire table.
Assume we are in the middle of a gene sequence (no need to find a start codon).
DNA
1
DNA
2
mRNA
tRNA
Polypeptide
C
Val
G
C.
T
A
C
a. On which strand of DNA is the template strand (DNA 1 or 2)?_
b. On which side of the mRNA is the 5' end (left or…
3. (6 pts) Fill in the boxes according to the directions on the right.
Structure
R-C
R-COOH
OH
R-OH
i
R-CO-R' R
R-PO4
R-CH3
C.
0
R'
R-O-P-OH
1
OH
H
R-C-H
R-N'
I-
H
H
R-NH₂
\H
Name
Properties
4. (6 pts) Use the molecule below to answer these questions and identify the side chains and
ends. Please use tidy boxes to indicate parts and write the letter labels within that box.
a. How many monomer subunits are shown?
b. Box a Polar but non-ionizable side chain and label P
c. Box a Basic Polar side chain and label BP
d. Box the carboxyl group at the end of the polypeptide and label with letter C (C-terminus)
H H OHHO
H
H
0
HHO
H-N-CC-N-C-C
N-C-C-N-GC-OH
I
H-C-H
CH2
CH2
CH2
H3C-C+H
CH2
CH2
OH
CH
CH₂
C=O
OH
CH2
NH2
Chapter 12 Solutions
Anatomy & Physiology: The Unity of Form and Function
Ch. 12.1 - What is a receptor? Give two examples of...Ch. 12.1 - Distinguish between the central and peripheral...Ch. 12.1 - Prob. 3BYGOCh. 12.1 - What the nervous and endocrine systems have in...Ch. 12.1 - Three fundamental functions of the nervous system;...Ch. 12.1 - Differences between the central nervous system...Ch. 12.1 - The autonomic nervous system and its two divisionsCh. 12.2 - Sketch a multipolar neuron and label its...Ch. 12.2 - Explain the differences between a sensory neuron,...Ch. 12.2 - Prob. 6BYGO
Ch. 12.2 - Prob. 7BYGOCh. 12.2 - Three fundamental physiological properties of...Ch. 12.2 - Prob. 2AYLOCh. 12.2 - Prob. 3AYLOCh. 12.2 - Prob. 4AYLOCh. 12.2 - Ways in winch neurons transport substances between...Ch. 12.3 - Prob. 8BYGOCh. 12.3 - Prob. 9BYGOCh. 12.3 - Prob. 10BYGOCh. 12.3 - Six kinds of neuroglia; the structure and...Ch. 12.3 - Prob. 2AYLOCh. 12.3 - Prob. 3AYLOCh. 12.3 - The regeneration of a damaged nerve fiber; the...Ch. 12.4 - Prob. 11BYGOCh. 12.4 - Prob. 12BYGOCh. 12.4 - Prob. 13BYGOCh. 12.4 - Prob. 14BYGOCh. 12.4 - Prob. 15BYGOCh. 12.4 - Prob. 16BYGOCh. 12.4 - Prob. 17BYGOCh. 12.4 - Prob. 1AYLOCh. 12.4 - What an electrical current is, and how sodium ions...Ch. 12.4 - How stimulation of a neuron generates a local...Ch. 12.4 - Prob. 4AYLOCh. 12.4 - Prob. 5AYLOCh. 12.4 - Prob. 6AYLOCh. 12.4 - Prob. 7AYLOCh. 12.4 - How one action potential triggers another; how the...Ch. 12.4 - Saltatory conduction in a myelinated nerve fiber,...Ch. 12.5 - Prob. 18BYGOCh. 12.5 - Prob. 19BYGOCh. 12.5 - Prob. 20BYGOCh. 12.5 - Prob. 21BYGOCh. 12.5 - Prob. 1AYLOCh. 12.5 - Prob. 2AYLOCh. 12.5 - Prob. 3AYLOCh. 12.5 - Prob. 4AYLOCh. 12.5 - Excitatory synapses; how acetylcholine and...Ch. 12.5 - Prob. 6AYLOCh. 12.5 - Prob. 7AYLOCh. 12.5 - Prob. 8AYLOCh. 12.5 - Prob. 9AYLOCh. 12.6 - Prob. 22BYGOCh. 12.6 - Prob. 23BYGOCh. 12.6 - Prob. 24BYGOCh. 12.6 - Contrast serial and parallel processing and...Ch. 12.6 - Prob. 26BYGOCh. 12.6 - Explain how long-term potentiation and long-term...Ch. 12.6 - Prob. 1AYLOCh. 12.6 - Prob. 2AYLOCh. 12.6 - Prob. 3AYLOCh. 12.6 - How a postsynaptic neurons decision to fire...Ch. 12.6 - Prob. 5AYLOCh. 12.6 - Mechanisms of presynaptic facilitation and...Ch. 12.6 - Prob. 7AYLOCh. 12.6 - Prob. 8AYLOCh. 12.6 - The meanings of neural pool and neural circuitCh. 12.6 - The difference between a neurons discharge zone...Ch. 12.6 - Diverging, converging, reverberating, and parallel...Ch. 12.6 - The difference between serial and parallel...Ch. 12.6 - The cellular basis of memory; what memory consists...Ch. 12.6 - Prob. 14AYLOCh. 12.6 - Prob. 15AYLOCh. 12 - The integrative functions of the nervous system...Ch. 12 - The highest density of voltage-gated ion channels...Ch. 12 - The soma of a mature neuron lacks a. a nucleus. b....Ch. 12 - The glial cells that fight infections in the CNS...Ch. 12 - Posttetanic potentiation of a synapse increases...Ch. 12 - An IPSP is_____of the postsynaptic neuron. a. a...Ch. 12 - Prob. 7TYRCh. 12 - Prob. 8TYRCh. 12 - Prob. 9TYRCh. 12 - Prob. 10TYRCh. 12 - Prob. 11TYRCh. 12 - Prob. 12TYRCh. 12 - Prob. 13TYRCh. 12 - Prob. 14TYRCh. 12 - Prob. 15TYRCh. 12 - A myelinated nerve fiber can produce action...Ch. 12 - Prob. 17TYRCh. 12 - Prob. 18TYRCh. 12 - Prob. 19TYRCh. 12 - Prob. 20TYRCh. 12 - Prob. 1BYMVCh. 12 - Prob. 2BYMVCh. 12 - Prob. 3BYMVCh. 12 - Prob. 4BYMVCh. 12 - Prob. 5BYMVCh. 12 - Prob. 6BYMVCh. 12 - Prob. 7BYMVCh. 12 - Prob. 8BYMVCh. 12 - Prob. 9BYMVCh. 12 - Prob. 10BYMVCh. 12 - Prob. 1WWTSCh. 12 - Prob. 2WWTSCh. 12 - Prob. 3WWTSCh. 12 - Prob. 4WWTSCh. 12 - Excitatory postsynaptic potentials lower the...Ch. 12 - Prob. 6WWTSCh. 12 - Prob. 7WWTSCh. 12 - Myelinated nerve fibers conduct signals more...Ch. 12 - Prob. 9WWTSCh. 12 - Prob. 10WWTSCh. 12 - Schizophrenia is sometimes treated with drugs such...Ch. 12 - Hyperkalemia is an excess of potassium ill the...Ch. 12 - Suppose a poison were to slow down the Na+-K+...Ch. 12 - Prob. 4TYCCh. 12 - Prob. 5TYC
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