Question 1

Thcytoplasof all living cells contains

Accepted Answer

A) sugars, DNA, and lipids. 
B) sugars, ions, and proteins. 
C) DNA, ions, and lipids. 
D) DNA, proteins, and sugars 
E) all of these. 
A) sugars, DNA, and lipids. 
B) sugars, ions, and proteins. 
C) DNA, ions, and lipids. 
D) DNA, proteins, and sugars 
E) all of these.

Question 2

If a plasma membranwercompareto a sandwich, __________ woulbconsiderethfilling.

Accepted Answer

A) cholesterol 
B) protein 
C) hydrophilic heads 
D) hydrophobic tails 
E) carbohydrates 
A) cholesterol 
B) protein 
C) hydrophilic heads 
D) hydrophobic tails 
E) carbohydrates

Question 3

Plasma membranproteins might binvolvein

Accepted Answer

A) cell-to-cell recognition. 
B) signal recognition. 
C) transport of nutrients. 
D) metabolic activities. 
E) all of these. 
A) cell-to-cell recognition. 
B) signal recognition. 
C) transport of nutrients. 
D) metabolic activities. 
E) all of these.

Question 4

Onof thgeneralizations of thcell theory is that

Accepted Answer

A) all cells have a nucleus. 
B) all cells divide by meiosis. 
C) all living organisms are made up of cells. 
D) cells arise through spontaneous generation. 
E) growth is solely the result of cell division. 
A) all cells have a nucleus. 
B) all cells divide by meiosis. 
C) all living organisms are made up of cells. 
D) cells arise through spontaneous generation. 
E) growth is solely the result of cell division.

Question 5

Four of thfivanswers listebelow arorganelles founin eukaryotic cells.Select thEXCEPTION.

Accepted Answer

A) mitochondrion 
B) Golgi body 
C) nucleoid 
D) lysosome 
E) vacuole 
A) mitochondrion 
B) Golgi body 
C) nucleoid 
D) lysosome 
E) vacuole

Question 6

Escherichia coli is thmost common bacteriufounin thintestinof warm-bloodeanimals.Which of thfollowing animals is NOT likely to harbor E.coli?

Accepted Answer

A) a horse 
B) a mouse 
C) a shore bird 
D) a bullfrog 
E) a skunk 
A) a horse 
B) a mouse 
C) a shore bird 
D) a bullfrog 
E) a skunk

Question 7

Which statement is TRUof plasma membranes?

Accepted Answer

A) They have protein molecules on their surfaces that identify them. 
B) They are essentially impermeable. 
C) They are basically static, nonchanging structures. 
D) They are hydrophilic barriers between cells. 
E) They function primarily through the activity of their carbohydrates. 
A) They have protein molecules on their surfaces that identify them. 
B) They are essentially impermeable. 
C) They are basically static, nonchanging structures. 
D) They are hydrophilic barriers between cells. 
E) They function primarily through the activity of their carbohydrates.

Question 8

Four of thfivanswers listebelow archloroplast features.Select thEXCEPTION.

Accepted Answer

A) stroma 
B) thylakoid 
C) microtubule 
D) pigment 
E) ATP 
A) stroma 
B) thylakoid 
C) microtubule 
D) pigment 
E) ATP

Question 9

Extracellular matrix is madup of

Accepted Answer

A) polysaccharides and fibrous proteins. 
B) fibrous proteins and lipopolysaccharides. 
C) polysaccharides and lipopolysaccharides. 
D) fibrous proteins and complex lipids. 
E) polysaccharides and complex lipids. 
A) polysaccharides and fibrous proteins. 
B) fibrous proteins and lipopolysaccharides. 
C) polysaccharides and lipopolysaccharides. 
D) fibrous proteins and complex lipids. 
E) polysaccharides and complex lipids.

Question 10

Thquality of a microscopdepends on two parameters:

Accepted Answer

A) light source and magnification. 
B) light source and resolving power. 
C) size of the object and magnification. 
D) resolving power and size of the object. 
E) resolving power and magnification. 
A) light source and magnification. 
B) light source and resolving power. 
C) size of the object and magnification. 
D) resolving power and size of the object. 
E) resolving power and magnification.

Question 11

Four of thfivanswers listebelow arfamiliar organelles in thcytoplasm.Select thEXCEPTION.

Accepted Answer

A) nucleus 
B) mitochondrion 
C) ribosome 
D) Golgi body 
E) chloroplast 
A) nucleus 
B) mitochondrion 
C) ribosome 
D) Golgi body 
E) chloroplast

Question 12

A pathogenic Escherichia coli strain woulcauswhich of thfollowing problems?

Accepted Answer

A) blindness 
B) diarrhea 
C) paralysis 
D) kidney failure 
E) all of these 
A) blindness 
B) diarrhea 
C) paralysis 
D) kidney failure 
E) all of these

Question 13

Prokaryotic cells contain
I.ribosomes.
II.a circular DNA.
III.Golgi bodies.

Accepted Answer

A) I and II 
B) I and III 
C) II only 
D) II and III 
E) I, II, and III 
A) I and II 
B) I and III 
C) II only 
D) II and III 
E) I, II, and III

Question 14

Which of thfollowing organelles is correctly matchewith its function?

Accepted Answer

A) nucleus: proteins synthesis 
B) ER: heredity 
C) Golgi bodies: packaging 
D) mitochondria: digestion 
E) chloroplasts: storage of lipids 
A) nucleus: proteins synthesis 
B) ER: heredity 
C) Golgi bodies: packaging 
D) mitochondria: digestion 
E) chloroplasts: storage of lipids

Question 15

Th__________ is to bacteria what th__________ is to vertebratanimals.

Accepted Answer

A) flagellum; skin 
B) plasma membrane; muscle 
C) plasmid; ribosome 
D) cell wall; skeleton 
E) capsule; head 
A) flagellum; skin 
B) plasma membrane; muscle 
C) plasmid; ribosome 
D) cell wall; skeleton 
E) capsule; head

Question 16

Which of thfollowing junctions permit(s) cytoplasmic interconnection between cells?

Accepted Answer

A) gap junctions 
B) plasmodesmata 
C) adhering junctions 
D) only gap junctions and plasmodesmata 
E) gap junctions, plasmodesmata, and adhering junctions 
A) gap junctions 
B) plasmodesmata 
C) adhering junctions 
D) only gap junctions and plasmodesmata 
E) gap junctions, plasmodesmata, and adhering junctions

Question 17

Prokaryotic cells do NOT have

Accepted Answer

A) ribosomes. 
B) a nucleus housing DNA. 
C) cytoplasm. 
D) a plasma membrane. 
E) membrane-bound organelles. 
A) ribosomes. 
B) a nucleus housing DNA. 
C) cytoplasm. 
D) a plasma membrane. 
E) membrane-bound organelles.

Question 18

Which of thfollowing statements is (are) truabout thplasma membrane?

Accepted Answer

A) It sets the limit of the cell. 
B) It is only partially permeable. 
C) Gases such as carbon dioxide cross it freely. 
D) It is made up of proteins and lipids. 
E) All of these are true. 
A) It sets the limit of the cell. 
B) It is only partially permeable. 
C) Gases such as carbon dioxide cross it freely. 
D) It is made up of proteins and lipids. 
E) All of these are true.

Question 19

Which of thfollowing organelles arinvolvein protein synthesis?
I.Cytosolic ribosomes
II.Rough endoplasmic reticulum
III.Smooth endoplasmic reticulum

Accepted Answer

A) I only 
B) II and III 
C) II only 
D) I and III 
E) I and II 
A) I only 
B) II and III 
C) II only 
D) I and III 
E) I and II

Question 20

Prokaryotes

Accepted Answer

A) have nucleoid regions. 
B) are unicellular. 
C) have cell walls. 
D) are bacteria. 
E) are and have all of these. 
A) have nucleoid regions. 
B) are unicellular. 
C) have cell walls. 
D) are bacteria. 
E) are and have all of these.

Exam 3: Cell Structure

Thcytoplasof all living cells contains

If a plasma membranwercompareto a sandwich, __________ woulbconsiderethfilling.

Plasma membranproteins might binvolvein

Onof thgeneralizations of thcell theory is that

Four of thfivanswers listebelow arorganelles founin eukaryotic cells.Select thEXCEPTION.

Escherichia coli is thmost common bacteriufounin thintestinof warm-bloodeanimals.Which of thfollowing animals is NOT likely to harbor E.coli?

Which statement is TRUof plasma membranes?

Four of thfivanswers listebelow archloroplast features.Select thEXCEPTION.

Extracellular matrix is madup of

Thquality of a microscopdepends on two parameters:

Four of thfivanswers listebelow arfamiliar organelles in thcytoplasm.Select thEXCEPTION.

A pathogenic Escherichia coli strain woulcauswhich of thfollowing problems?

Prokaryotic cells contain I.ribosomes. II.a circular DNA. III.Golgi bodies.

Which of thfollowing organelles is correctly matchewith its function?

Th__________ is to bacteria what th__________ is to vertebratanimals.

Which of thfollowing junctions permit(s) cytoplasmic interconnection between cells?

Prokaryotic cells do NOT have

Which of thfollowing statements is (are) truabout thplasma membrane?

Which of thfollowing organelles arinvolvein protein synthesis? I.Cytosolic ribosomes II.Rough endoplasmic reticulum III.Smooth endoplasmic reticulum

Prokaryotes

Invitation to Biology

Molecules of Life

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolutionunit

Population Ecology

Communities and Ecosystems

The Biosphere and Human Eff Ects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

Th is to bacteria what th is to vertebratanimals.