Inquiry into Life
15th Edition
ISBN: 9781259426162
Author: Sylvia S. Mader Dr., Michael Windelspecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 3.1, Problem 2A
As the size of a cell decreases, the ratio of its surface area to volume:
a. increases
b. decreases
c. stays the same
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As the size of a cell decreases, the ratio of its surface area to volumea. increases.b. decreases.c. stays the same.
A selectively permeable
A. allows some substance to move across the membrane, but not others
B. allows unlimited movement of materials into or out of the cell
C. allows substances to enter, but prevent any substances from leaving the cell
D. allows only helpful materials to cross the the cell membrane into the cell
The physical characteristics of a cell influence how it functions. For example, the surface area and volume
of a cell affect how efficiently waste is removed from the cell via diffusion.
The table below shows data for four different cuboidal cells.
Cuboidal cell
Side length (um)
Cell A
1
Cell B
Cell C
Cell D
Surface area of a cube: A = 6s2
Volume of a cube: V = s3
Using the information from the table, what is the surface-area-to-volume ratio for the cuboidal cell that
removes waste via diffusion most efficiently?
-1
um
2.
4.
Chapter 3 Solutions
Inquiry into Life
Ch. 3.1 - Explain why cells are the basic unit of life.Ch. 3.1 - List the basic principles of the cell theory.Ch. 3.1 - Prob. 3LOCh. 3.1 - Prob. 1QTCCh. 3.1 - Prob. 2QTCCh. 3.1 - Identify why humans are made up of trillions of...Ch. 3.1 - Prob. 2CYPCh. 3.1 - 3. Describe the metabolic challenges of a large...Ch. 3.1 - The cell theory states: a. Cells form as...Ch. 3.1 - As the size of a cell decreases, the ratio of its...
Ch. 3.2 - Describe the fundamental components of a bacterial...Ch. 3.2 - Identify the key differences between the archaea...Ch. 3.2 - Explain the function of the plasma membrane.Ch. 3.2 - Identify the key bacterial structures and their...Ch. 3.2 - Explain the general differences between a...Ch. 3.2 - Prob. 3ACh. 3.2 - Prob. 4ACh. 3.2 - Small circular pieces of DNA that are found in the...Ch. 3.3 - Recognize the structure and function of the...Ch. 3.3 - Prob. 2LOCh. 3.3 - Prob. 3LOCh. 3.3 - Explain the function of the cell wall in...Ch. 3.3 - Describe how the endomembrane system acts as a...Ch. 3.3 - Prob. 3CYPCh. 3.3 - Eukaryotic cells contain a. a nucleus b. DNA c....Ch. 3.3 - The combination of DNA and protein in the nucleus...Ch. 3.3 - Prob. 8ACh. 3.3 - Prob. 9ACh. 3.3 - Prob. 10ACh. 3.4 - Compare and contrast the structural differences...Ch. 3.4 - Identify the cellular structures that are composed...Ch. 3.4 - Identify the structural makeup of actin filaments,...Ch. 3.4 - Prob. 2CYPCh. 3.4 - Prob. 3CYPCh. 3.4 - Prob. 11ACh. 3.4 - Prob. 12ACh. 3.5 - Define endosymbiosis.Ch. 3.5 - Describe how the endosymbiotic theory explains...Ch. 3.5 - Prob. 1CYPCh. 3.5 - Prob. 2CYPCh. 3.5 - Prob. 13ACh. 3.5 - Prob. 14ACh. 3 - Prob. S1.2BYBCh. 3 - Prob. S2.3BYBCh. 3 - Prob. S2.6BYBCh. 3 - Prob. 1CSCh. 3 - Prob. 2CSCh. 3 - Prob. 1TCCh. 3 - Why does the science of synthetic biology still...Ch. 3 - Prob. 3TC
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- The plasma membrane __________. a. surrounds the cytoplasm b. separates the nucleus from the cytoplasm c. separates the cell interior from the environment d. both a and carrow_forwardWhich of the following will likely result if the concentration of electrolytes outside the cell is higher than in the intracellular environment? A. The cell will be unaffected B. The cell will burst C. The cell will shrink and dry up D. The cell will undergo mitosis and dividearrow_forwardRegulating transport of substances in and out of the cell is the a. cell membrane. b. nuclear membrane. c. cytoplasm. d. nucleus.arrow_forward
- The parts of the cell perform specific functions for the cell’s activity. What will happen to a cell if one of the parts did not function well?arrow_forwardWhich of the following statements about cellular membranes is/are FALSE? A. Only lipids move Within the membrane, while the proteins are anchored and immobile. B. Membranes are composed of lipids and proteins. C. Substances may be transported across membranes by active transport, facilitated transport or diffusion. D. Membrane proteins are classified as integral or peripheral, upon their functionarrow_forwardWhich of the following can enter the cell by diffusion through the plasma membrane? A. salts B. glucose C. phospholipids D. carbon dioxidearrow_forward
- As cell size ____________ , the surface area increases and the surface-area-to-volume ratio ____________ . Fill in the blanks?arrow_forwardThe cell membrane surrounds some smaller molecules in solution and takes them into the cell. This is an example of: Select one: a. pinocytosis. b. facilitated transport. c. phagocytosis. d. diffusion.arrow_forwardIn which of the following is cell modification mostly involved? a. absorption b. locomotion c. nutrition d. secretionarrow_forward
- 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.arrow_forwardCells that line the intestines move nutrients from the intestines through the cell and then to the blood stream. These cells have many folds along their plasma membrane called microvilli. What is the function 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 red MacBook Air 吕口 F3 D00 F4 F7 F2 % & 2 3 5 6 %244arrow_forwardA type of cell connection whose only function is to prevent the cellsfrom coming apart is aa. desmosome. b. gap junction. c. tight junction.arrow_forward
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