Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 4, Problem 11TYK
Summary Introduction
Introduction:
The endoplasmic reticulum is the cell organelle that forms the interconnected network of the tube-like structures. Its membrane continues with the outer nuclear membrane. The surface of the endoplasmic reticulum remains smooth and is called as smooth endoplasmic reticulum (SER). If the ribosomes are present on the surface of the endoplasmic reticulum, that will make the surface rough. That is called as rough endoplasmic reticulum (RER).
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Which of the following explains why a cell's size is limited?
a
The cell membrane increases too fast for the cytoplasm to keep up with its reactions.
b
The cell membrane becomes rigid.
c
The cell membrane cannot supply enough substances to support organelles in the center.
d
The cell membrane is too large to allow for transport.
Cells that line the intestines move nutrients from the intestines through the cell and then to the blood
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of these folds?
O A. increase the volume of the cell
O B. increase the surface area of the cell
O C. increase protein transport out of the cell
D. increase the ATP production within the cell
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Which of the following statements are correct about how the complex biological matrix of the cell may affect protein folding, stability and function (select all that appy)?
A.
ATP tends to "bounce" along the surfaces of many proteins without forming a stable complex
B.
Proteins make up approximately 30% of the total volume of the cytoplasm in a typical cell
C.
Compettition between drug molecules and metabolites in the cytoplasm may cause unexpected drug side effects not seen with individual proteins in solution.
D.
Large protein complexes move faster through the cytoplasm than small metabolites.
E.
Complex intercations between proteins in the cell may significantly destabilize a protein compared to the isolated protein in water
Chapter 4 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 4.1 - Prob. 1SBCh. 4.2 - Where in a prokaryotic cell is DNA found? How is...Ch. 4.3 - Where in a eukaryotic cell is DNA found? How is...Ch. 4.3 - Prob. 2SBCh. 4.3 - Explain the structure and function of the...Ch. 4.3 - Prob. 4SBCh. 4.3 - What is the structure and function of the...Ch. 4.4 - Prob. 1SBCh. 4.4 - Prob. 2SBCh. 4.5 - What are the structures and function of anchoring...
Ch. 4.5 - Prob. 2SBCh. 4 - A prokaryote converts food energy into the...Ch. 4 - Eukaryotic and prokaryotic ribosomes are similar...Ch. 4 - Which of the following structures does not require...Ch. 4 - Which of the following structures is not used in...Ch. 4 - Which of the following are glycoproteins whose...Ch. 4 - Prob. 6TYKCh. 4 - Which of the following statements about proteins...Ch. 4 - Which of the following is not a component of the...Ch. 4 - Discuss Concepts Explain why aliens invading Earth...Ch. 4 - You are examining a cell from a crime scene using...Ch. 4 - Prob. 11TYKCh. 4 - Prob. 12TYKCh. 4 - Prob. 13TYKCh. 4 - Prob. 14TYKCh. 4 - Prob. 15TYKCh. 4 - Prob. 16TYKCh. 4 - 17. The unicellular alga Chlamydomonas reinhardtii...Ch. 4 - Prob. 1ITD
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- If a substance temporarily interferes with the function of the structure labelled X, which of the following would occur? Select one: W!! a. The breakdown of worn-out cell organelles would stop. b. The active transport of water across the cell membrane would decrease. c. There would be an increase in the production of mRNA. d. The number of amino acid molecules entering the cell would decrease.arrow_forwardConsider a cell membrane. In order to survive, the cell must move nutrients across the membrane and it must move waste products out of the membrane. Describe the strategies available to the cell for the transport of materials. Describe these strategies. Indicate what happens when equilibrium is reached for each strategy.arrow_forwardImagine that you are shown a tissue sample under the microscope. One cell type in the tissue lacks a nucleus and is red in color. A second type is white, has a nucleus, and contains numerous vesicles. Are both cell types of the same origin? Which cell is metabolically active?arrow_forward
- Imagine that you are given an unknown cell sample. You visualize the sample under the microscope and you notice that it has a large number of mitochondria. Based on this observation, what can you say about the function of this cell? The cell might be storing a large amount of toxins. The cell might engulf and digest a large amount of material. The cell might require large amounts of energy. The cell might degrade large amounts of fatty acids.arrow_forward1/How can an inhibitor affect enzyme activity in a cell? 2/Outline glycolysis in terms of phosphorylation and dephosphorylation. 3/ Cells can be broken and then centrifuged to separate organelles, such as mitochondria. If isolated mitchondria were then broken and centrifuged, the membranes would separate from the matrix. Knowing this, develop a hypothesis about the properties of either the matrix or the membranes. Clearly identify what you intend to discover and briefly outline how you would test your hypothesis.arrow_forwardWhat is assumed as the cell membrane function in connection with it as a mechanical structure? Select one: a. Matrix for enzymatic processes b. Control over the membrane potential с. Control over the ionic composition O d. Displacement of organellesarrow_forward
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