Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 21.2, Problem 6CC
Draw a cell showing (1) an enzyme in a cytoplasmic secretory vesicle, (2) exocytosis of the vesicle, and (3) the enzyme remaining bound to the surface membrane of the cell rather than floating away.
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Match the cell structure with its function
Golgi apparatus
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Nucleolus
Smooth endoplasmic
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2.
3.
4.
5.
6.
7.
contain an inner membrane and an
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responsible for creating ATP
9.
structures composed of RNA,
assemble amino acids to make
proteins, can be free floating or
attached to endoplasmic reticulum
refines molecules and surrounds
them in a membrane bound vesicle
to be transported
synthesizes lipids such as steroid
hormones made from cholesterol
(and has other functions such as
detoxification of harmful products
in the liver, and stores calcium in
muscle cells)
with ribosomes, this organelle is
involved in protein synthesis
produced by the Golgi apparatus,
destroy toxic waste products and
detoxifies the cell from various
substances such as alcohol
vesicles that contain powerful
enzymes that break down bacteria
and other large objects such as
cellular debris and old or worn…
The cytoplasm of a certain cell is composed of a
solution that is 98% water, 2% solutes. Consider the
solution shown in the beaker in this picture:
FOOE
OOS
Foor
solution.
[Select]
Cytoplasm is 98% water,
2% solutes.
The solution in the beaker would be considered
when compared to
[Select]
The plasma membrane is
impermeable to solutes.
Beaker solution
is 98% water,
2% solutes
the cell.
We would expect that the cell would
[Select]
if it was placed in the
would account for
whatever changes might occur to the volume of the
cytoplasm of the cell when it is placed in the solution.
Which of the following describes the plasma membrane?
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Chapter 21 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 21.1 - Prob. 1CCCh. 21.1 - Prob. 2CCCh. 21.1 - Prob. 3CCCh. 21.2 - Define digestion. What is the difference between...Ch. 21.2 - Prob. 5CCCh. 21.2 - Draw a cell showing (1) an enzyme in a cytoplasmic...Ch. 21.2 - Prob. 7CCCh. 21.2 - Prob. 8CCCh. 21.2 - Prob. 9CCCh. 21.3 - Prob. 10CC
Ch. 21.4 - Prob. 11CCCh. 21.6 - Do bile salts digest triglycerides into...Ch. 21.6 - Prob. 13CCCh. 21.6 - Prob. 14CCCh. 21.6 - What activates pepsinogen, trypsinogen, and...Ch. 21.6 - Prob. 16CCCh. 21 - Match each of the following descriptions with the...Ch. 21 - Prob. 2RQCh. 21 - Prob. 3RQCh. 21 - Prob. 4RQCh. 21 - Prob. 5RQCh. 21 - Prob. 6RQCh. 21 - What purposes does motility serve in the...Ch. 21 - Prob. 8RQCh. 21 - Match each of the following cells with the...Ch. 21 - Prob. 10RQCh. 21 - Prob. 11RQCh. 21 - Prob. 12RQCh. 21 - Prob. 13RQCh. 21 - What role do paracrines play in digestion? Give...Ch. 21 - Prob. 15RQCh. 21 - Prob. 16RQCh. 21 - Prob. 17RQCh. 21 - Prob. 18RQCh. 21 - Prob. 19RQCh. 21 - Prob. 20RQCh. 21 - Prob. 21RQCh. 21 - Prob. 22RQCh. 21 - Mary Littlefeather arrives in her physicians...Ch. 21 - Using what you have learned about epithelial...Ch. 21 - Intestinal transport of the amino acid analog MIT...
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- Assign a function(s) to the following cellular structures: a. plasma membrane b. mitochondrion c. nucleus d. ribosomearrow_forwardI am confused as to why (d) or (e) are not correct. Is it not (d) because the inner surface of the vesicle becomes the extracellular component? And what about (e)? Is it because it's not between the organelles and the cytosol, but rather between the cytosol and the extracellular space?arrow_forwardSecretory vesicles fuse with the cell membrane to release their contents to the outside of the cell. In this process, the membrane of the secretory vesicle becomes part of the cell membrane because small pieces of the membrane are continually added to the cell membrane, one would expect the cell membrane to become larger and larger as secretion continues. The cell membrane stays the same size, however. Explain how this happens.arrow_forward
- In addition to providing support, the cytoskeleton immobilizes enzymes and organelles in the cytoplasm. What advantage does this immobilization have over allowing the cellcontents to freely diffuse in the cytoplasm?arrow_forwardIn addition to providing support, the cytoskeleton immobilizes enzymes and moves organelles to suitable positions in the cytoplasm. What advantage do these circumstances have over allowing the cell contents to freely diffuse in the cytoplasm?arrow_forwardSecretory vesicles fuse with the cell membrane to release their contents to the outside of the cell. In this process, the membrane of the secretory vesicle becomes part of the cell membrane. Because small pieces of membrane are continually added to the cell membrane, we would expect the cell membrane to become larger and larger as secretion continues. However, the cell membrane stays the same size. Explain how this happens.arrow_forward
- Some nutrients and other types of particles can be taken into a cell when the cell's plasma membrane encloses the particles and pinches off, forming a free-floating vesicle inside the cell. A lysosome containing digestive enzymes then fuses with the vesicle. Which term best classifies the uptake of such particles by the cell? Simple diffusion OEndocytosis O Exocytosis Facilitated diffusionarrow_forwardA cell that is missing this structure would not have a rigid structural support outside of its plasma membrane and would not be protected from exploding when placed in water. Name the structure and tell why. Then state which type of cell(s) have this structure.arrow_forwardIn the cell there are three types of filaments that form the cell skeleton. Answer:a)Which they are.b)How they are constructed.c)What their function is.arrow_forward
- Give the respective structural descriptions and functions of the following: 1. Cell Membrane 2. Nucleus 3. Nucleolus 4. Smooth Endoplasmic Reticulum 5. Rough Endoplasmic Reticulum 6. Nuclear Membrane 7. Mitochondria 8. Golgi Apparatus 9. Cytoskeletonarrow_forwardCell in the pancreas produce insulin, a protein made to control glucose levels in blood stream. Therefore, which organell would be in larger quantities due to a pancreas cell's function? A Rough Endoplasmic Reticulum B) Smooth Endoplasmic Reticulum Mitochondrion Lysosomearrow_forwardSecretory vesicles containing insulin move to the plasma membrane at the cell surface and release the protein to neighboring blood capillaries. Which Cytoskeletal element is essential for this vesicle movement within a cell? Lamins Intermediate filaments Microtubules Microfilamentsarrow_forward
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