BIOLOGY-TEXT
5th Edition
ISBN: 9781260169621
Author: BROOKER
Publisher: MCG
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Chapter 4, Problem 3TY
Summary Introduction
Introduction: Living organisms consist of cells and almost all cells are small in size. The large sized organisms have more number of cells instead of having larger cells. Cells are small in size so that the amount of nutrient uptake and waste export through the plasma membrane can be decreased. A cell should have an appropriate surface area to volume ration in order to sustain.
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Check out a sample textbook solutionStudents have asked these similar questions
Why is the surface area of a cell so important in determining maximum cell size?
a. a very large cell needs very little surface area relative to its volume
b. a very small cell can't exchange material across its surface
c. a very large cell would need to exchange a very large amount of material with the external environment
d. a typical cell has more surface area than volume
e. all of the above
For items 6-15 choose the letter of the best answer. No more explanations.
6. How does a cell wall functions as protection for the cell?
A. It protects the cell from insects.
B. It controls passage of substances
C. It maintains cell shape during excess water in cells
D. It contains genetic material
7. It is an organelle for assembling ribosomes with genes for rRNA synthesis.
A. Chromosomes
B. Mitochondria
C. Nucleolus
D. Ribosomes
8. Why do phospholipids tend to organize into a bilayer in an aqueous solution?
A. it hides its tail from water
B. It hides its tail like a dog
C. It arranges itself like a comb
D. Its saturated fatty acids are straight
9. Which of the following matches with a microtubule's function?
A. Cellular respiration
B. Digestion
C. Movement
D. Photosynthesis
10. Which structure clearly distinguishes a eukaryote from a prokaryote?
A. Chloroplast
B. Flagella
C. Nucleolus
D. Vacuole
11. Which organisms have the smallest size of cells?
A. Animals
B. Humans
C.…
For items 40-52 choose the letter of the best answer. No need to write the explanations.
40. Which of the following materials will NOT be allowed to pass into the cell through the plasma membrane?
A. cell components
B. nutrients
C. raw materials
D. wastes
41. Osmosis is considered a form of diffusion. Why?
A. It depends on a concentration gradient.
B. it requires a semipermeable membrane.
C. It depends on a water potential gradient.
D. It moves from a high to low area of concentration.
42. Which is NOT true about the factors that can affect the rate of diffusion?
A. application of pressure increases the rate of diffusion
B. higher temperature results in a faster rate of diffusion
C. the solubility of the solute does not affect the rate of diffusion
D. the higher the density of the solvent, the slower the rate of diffusion
43. When a nomal cell is placed in a hypertonic solution, what will happen?
A. water exits the cell
B. solutes exit the cell
C. water enters the cell
D. solutes…
Chapter 4 Solutions
BIOLOGY-TEXT
Ch. 4.1 - What properties of deep-sea vents made them...Ch. 4.1 - Which protobiont seems most similar to todays...Ch. 4.1 - Core Skill: Connections Look back at Figure 3.11....Ch. 4.1 - Prob. 3CCCh. 4.2 - Prob. 1CCCh. 4.2 - Prob. 2CCCh. 4.3 - Prob. 1CSCh. 4.3 - Prob. 1CCCh. 4.3 - Prob. 2CSCh. 4.4 - Prob. 1CS
Ch. 4.4 - Describe the type of movements that occur between...Ch. 4.4 - Prob. 2CSCh. 4.5 - Prob. 1CCCh. 4.5 - Prob. 1CSCh. 4.5 - If we consider the Golgi apparatus as three...Ch. 4.5 - The Nucleus and Endomembrane System Experimental...Ch. 4.5 - Prob. 2EQCh. 4.5 - Prob. 3EQCh. 4.5 - Prob. 3CCCh. 4.6 - Prob. 1CCCh. 4.6 - Core Skill: Connections Look ahead to Figure...Ch. 4.7 - Prob. 1CCCh. 4.7 - Prob. 2CCCh. 4 - The cell theory states that a. all living things...Ch. 4 - Prob. 2TYCh. 4 - Prob. 3TYCh. 4 - Prob. 4TYCh. 4 - Each of the following is part of the endomembrane...Ch. 4 - Prob. 6TYCh. 4 - Functions of the smooth endoplasmic reticulum...Ch. 4 - Prob. 8TYCh. 4 - Prob. 9TYCh. 4 - Which of the following observations would not be...Ch. 4 - What are the four stages that led to the origin of...Ch. 4 - Explain how motor proteins and cytoskeletal...Ch. 4 - Prob. 3CQCh. 4 - Discuss the roles of the genome and proteome in...Ch. 4 - Prob. 2COQ
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