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
Which of the following is the limiting factor for cell size?
a
density
b
volume
c
surface-to-volume ratio
d
surface area
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_forwardPlasma membranes are selectively permeable. This means: A. cholesterol cannot enter B. anything can pass in and out C.the membrane regulates the passage of the material in and out of the cell D. glucose cannot enter the cellarrow_forward
- if a cell has a net positive charge inside and there is a net negative charge outside the cell, which of the following is correct (if the membrane is permeable to each substance and the concentration of each is the same inside and outside the cell)? a. negative ions will move into the cell b. positive ions will move into the cell c. neutral ions will move into the cell d. negative ions will move our of the cellarrow_forwardThe 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.arrow_forwardWhich of the following is not a function of the extracellular matrix Select one: A. Prevents the loss of water when cells are placed in a hypertonic solution. B. Assists in the movement of substances across the plasma membrane. C. Has numerous functions that affect the shape and activities of the cell that produced it. D. Takes place in reception of moleculesarrow_forward
- Regulating transport of substances in and out of the cell is the a. cell membrane. b. nuclear membrane. c. cytoplasm. d. nucleus.arrow_forwardWhich of the statement about cell membrane is not true? * It contains protein molecules embedded in the lipid bilayer B. It is a differentially permeable membrane. C. It contains charged pores thus ions being O charged particles cross cell membrane much easier than neutral particles. D. It may get infolded to engulf solid or liquid material.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_forward
- Which of the following can enter the cell by diffusion through the plasma membrane? A. salts B. glucose C. phospholipids D. carbon dioxidearrow_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_forwardAs cell size ____________ , the surface area increases and the surface-area-to-volume ratio ____________ . Fill in the blanks?arrow_forward
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