Question 1

Match each mechanism of cellular transport with its correct definition.
-pinocytosis

Accepted Answer

A) movement of a molecule from an area of high concentration to an area of lower concentration 
B) cells internalize molecules into a cell by the inward budding of vesicles possessing receptors specific to the molecule being transported 
C) movement of water from a hypotonic solution into a hypertonic solution across a selectively permeable membrane 
D) large particles are enveloped by the cell membrane and internalized 
E) a process in which liquid droplets are ingested by living cells
F)diffusion of molecules across the plasma membrane with the assistance of transport proteins 
A) movement of a molecule from an area of high concentration to an area of lower concentration 
B) cells internalize molecules into a cell by the inward budding of vesicles possessing receptors specific to the molecule being transported 
C) movement of water from a hypotonic solution into a hypertonic solution across a selectively permeable membrane 
D) large particles are enveloped by the cell membrane and internalized 
E) a process in which liquid droplets are ingested by living cells
F)diffusion of molecules across the plasma membrane with the assistance of transport proteins

Question 2

Suppose that Joe Scientist fuses a mouse cell and a human cell, and then treats the cell with specific antibodies covalently linked to fluorescent dyes (antibodies linked to mouse proteins are green; antibodies linked to human proteins are red). What will the cell look like immediately after labelling?

Accepted Answer

A) The red and green fluorescent labels will be uniformly distributed across the entire membrane of the cell. 
B) The cell will be half red and half green. 
C) The red and green labels will be distributed in the cell in intermingled patches. 
D) The red and green labels will flash in the cell intermittently. 
A) The red and green fluorescent labels will be uniformly distributed across the entire membrane of the cell. 
B) The cell will be half red and half green. 
C) The red and green labels will be distributed in the cell in intermingled patches. 
D) The red and green labels will flash in the cell intermittently.

Question 3

These micrographs of animal cells depict the effects of various aqueous environments on red blood cells placed in a hypotonic, hypertonic, or isotonic environment. Match each term to a micrograph.
-hypotonic

Accepted Answer

A)   
B)   
C)   
A)   
B)   
C)

Question 4

Match each mechanism of cellular transport with its correct definition.
-diffusion

Accepted Answer

A) movement of a molecule from an area of high concentration to an area of lower concentration 
B) cells internalize molecules into a cell by the inward budding of vesicles possessing receptors specific to the molecule being transported 
C) movement of water from a hypotonic solution into a hypertonic solution across a selectively permeable membrane 
D) large particles are enveloped by the cell membrane and internalized 
E) a process in which liquid droplets are ingested by living cells
F)diffusion of molecules across the plasma membrane with the assistance of transport proteins 
A) movement of a molecule from an area of high concentration to an area of lower concentration 
B) cells internalize molecules into a cell by the inward budding of vesicles possessing receptors specific to the molecule being transported 
C) movement of water from a hypotonic solution into a hypertonic solution across a selectively permeable membrane 
D) large particles are enveloped by the cell membrane and internalized 
E) a process in which liquid droplets are ingested by living cells
F)diffusion of molecules across the plasma membrane with the assistance of transport proteins

Question 5

Match each mechanism of cellular transport with its correct definition.
-phagocytosis

Accepted Answer

A) movement of a molecule from an area of high concentration to an area of lower concentration 
B) cells internalize molecules into a cell by the inward budding of vesicles possessing receptors specific to the molecule being transported 
C) movement of water from a hypotonic solution into a hypertonic solution across a selectively permeable membrane 
D) large particles are enveloped by the cell membrane and internalized 
E) a process in which liquid droplets are ingested by living cells
F)diffusion of molecules across the plasma membrane with the assistance of transport proteins 
A) movement of a molecule from an area of high concentration to an area of lower concentration 
B) cells internalize molecules into a cell by the inward budding of vesicles possessing receptors specific to the molecule being transported 
C) movement of water from a hypotonic solution into a hypertonic solution across a selectively permeable membrane 
D) large particles are enveloped by the cell membrane and internalized 
E) a process in which liquid droplets are ingested by living cells
F)diffusion of molecules across the plasma membrane with the assistance of transport proteins

Question 6

One component of the cell membrane functions as a selective barrier, and one component has specific functions such as transport, recognizing other cells, and binding to other cells. Which pair of terms refers to these two components, respectively?

Accepted Answer

A) carbohydrate and nucleic acid 
B) lipid and carbohydrate 
C) protein and carbohydrate 
D) lipid and protein 
A) carbohydrate and nucleic acid 
B) lipid and carbohydrate 
C) protein and carbohydrate 
D) lipid and protein

Question 7

Which of the following is a function of the sterols that are found in animal cell membranes?

Accepted Answer

A) They maintain membrane fluidity. 
B) They facilitate ion transport. 
C) They store cellular energy. 
D) They increase the rate of diffusion. 
A) They maintain membrane fluidity. 
B) They facilitate ion transport. 
C) They store cellular energy. 
D) They increase the rate of diffusion.

Question 8

Which of the following molecules could be secreted from a eukaryotic cell?

Accepted Answer

A) ions 
B) metals 
C) water 
D) carbohydrates 
A) ions 
B) metals 
C) water 
D) carbohydrates

Question 9

Which phrase describes the selective permeability of a membrane?

Accepted Answer

A) the ability of a molecule to pass through a membrane 
B) the ability of only certain molecules to pass across a membrane 
C) the need for carrier proteins to transport certain molecules 
D) the movement of a molecule from an area of greater concentration to an area of lesser concentration 
A) the ability of a molecule to pass through a membrane 
B) the ability of only certain molecules to pass across a membrane 
C) the need for carrier proteins to transport certain molecules 
D) the movement of a molecule from an area of greater concentration to an area of lesser concentration

Question 10

An animal cell placed in a hypertonic solution will swell and perhaps burst.

Accepted Answer

A) True 
 B)False

Question 11

Which cell organelle helps pinocytosis and phagocytosis to occur?

Accepted Answer

A) the endoplasmic reticulum 
B) the lysosome 
C) the plasma membrane 
D) the nucleus 
A) the endoplasmic reticulum 
B) the lysosome 
C) the plasma membrane 
D) the nucleus

Question 12

Suppose water moves across a membrane from an area of high water concentration to an area of low water concentration. What is this an example of?

Accepted Answer

A) both diffusion and osmosis 
B) both osmosis and active transport 
C) both diffusion and endocytosis 
D) both endocytosis and active transport 
A) both diffusion and osmosis 
B) both osmosis and active transport 
C) both diffusion and endocytosis 
D) both endocytosis and active transport

Question 13

What two processes are involved when eukaryotic cells import and secrete large molecules?

Accepted Answer

A) exocytosis when importing and diffusion when secreting 
B) exocytosis when importing and endocytosis when secreting 
C) endocytosis when importing and exocytosis when secreting 
D) diffusion when importing and exocytosis when secreting 
A) exocytosis when importing and diffusion when secreting 
B) exocytosis when importing and endocytosis when secreting 
C) endocytosis when importing and exocytosis when secreting 
D) diffusion when importing and exocytosis when secreting

Question 14

How does the concentration inside of a cell compare to an isotonic solution outside of the cell?

Accepted Answer

A) The concentration is less than that of the outside solution. 
B) The concentration is equal to that of the outside solution. 
C) The concentration is much greater than that of the outside solution. 
D) The concentration is slightly greater than that of the outside solution. 
A) The concentration is less than that of the outside solution. 
B) The concentration is equal to that of the outside solution. 
C) The concentration is much greater than that of the outside solution. 
D) The concentration is slightly greater than that of the outside solution.

Question 15

These micrographs of animal cells depict the effects of various aqueous environments on red blood cells placed in a hypotonic, hypertonic, or isotonic environment. Match each term to a micrograph.
-isotonic

Accepted Answer

A)   
B)   
C)   
A)   
B)   
C)

Question 16

How do the charges inside and outside of the cell compare?

Accepted Answer

A) There is negative charge inside and positive charge outside of the cell. 
B) There is positive charge inside and positive charge outside of the cell. 
C) There is positive charge inside and negative charge outside of the cell. 
D) There is negative charge inside and negative charge outside of the cell. 
A) There is negative charge inside and positive charge outside of the cell. 
B) There is positive charge inside and positive charge outside of the cell. 
C) There is positive charge inside and negative charge outside of the cell. 
D) There is negative charge inside and negative charge outside of the cell.

Question 17

How are receptor-mediated endocytosis and pinocytosis similar to each other?

Accepted Answer

A) They both transport liquids into cells. 
B) They both transport particles into cells. 
C) They both transport particles out of cells. 
D) They both transport liquids out of cells. 
A) They both transport liquids into cells. 
B) They both transport particles into cells. 
C) They both transport particles out of cells. 
D) They both transport liquids out of cells.

Question 18

Identify the structures indicated in this drawing of a typical plasma membrane.  
-cholesterol

Accepted Answer

The answer of Identify the structures indicated in this drawing...

Question 19

Which statement applies to both simple diffusion and active transport?

Accepted Answer

A) Transport proteins are not specific for the molecules being transported. 
B) A concentration gradient is not present. 
C) A concentration gradient is present. 
D) Transport proteins are specific for the molecules being transported. 
A) Transport proteins are not specific for the molecules being transported. 
B) A concentration gradient is not present. 
C) A concentration gradient is present. 
D) Transport proteins are specific for the molecules being transported.

Question 20

Wha-i-th-sequenc-o-signa-transduction?

Accepted Answer

A) transductio--respons--reception 
B) receptio--transductio--response 
C) respons--receptio--transduction 
D) transductio--receptio--response 
A) transductio--respons--reception 
B) receptio--transductio--response 
C) respons--receptio--transduction 
D) transductio--receptio--response

Exam 5: Cell Membranes and Signalling

Match each mechanism of cellular transport with its correct definition. -pinocytosis

These micrographs of animal cells depict the effects of various aqueous environments on red blood cells placed in a hypotonic, hypertonic, or isotonic environment. Match each term to a micrograph. -hypotonic

Match each mechanism of cellular transport with its correct definition. -diffusion

Match each mechanism of cellular transport with its correct definition. -phagocytosis

One component of the cell membrane functions as a selective barrier, and one component has specific functions such as transport, recognizing other cells, and binding to other cells. Which pair of terms refers to these two components, respectively?

Which of the following is a function of the sterols that are found in animal cell membranes?

Which of the following molecules could be secreted from a eukaryotic cell?

Which phrase describes the selective permeability of a membrane?

An animal cell placed in a hypertonic solution will swell and perhaps burst.

Which cell organelle helps pinocytosis and phagocytosis to occur?

Suppose water moves across a membrane from an area of high water concentration to an area of low water concentration. What is this an example of?

What two processes are involved when eukaryotic cells import and secrete large molecules?

How does the concentration inside of a cell compare to an isotonic solution outside of the cell?

These micrographs of animal cells depict the effects of various aqueous environments on red blood cells placed in a hypotonic, hypertonic, or isotonic environment. Match each term to a micrograph. -isotonic

How do the charges inside and outside of the cell compare?

How are receptor-mediated endocytosis and pinocytosis similar to each other?

Identify the structures indicated in this drawing of a typical plasma membrane. -cholesterol

Which statement applies to both simple diffusion and active transport?

Wha-i-th-sequenc-o-signa-transduction?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters