Question 1

In which type of microscopy is a beam of electrons used to scan the specimen, followed by the conversion of the excited electrons to a three-dimensional image?

Accepted Answer

A)  confocal laser scanning microscopy 
B)  phase-contrast microscopy 
C)  bright field microscopy 
D)  scanning electron microscopy 
E)  fluorescence microscopy 
A)  confocal laser scanning microscopy 
B)  phase-contrast microscopy 
C)  bright field microscopy 
D)  scanning electron microscopy 
E)  fluorescence microscopy

Question 2

The nucleoli, found within the nucleus, are the sites of ____ synthesis.

Accepted Answer

A)  chromatin 
B)  mRNA 
C)  ribosomal subunit 
D)  gene 
E)  protein 
A)  chromatin 
B)  mRNA 
C)  ribosomal subunit 
D)  gene 
E)  protein

Question 3

The ____ contains hydrolytic enzymes for the digestion of proteins, lipids, nucleic acids, and polysaccharides.

Accepted Answer

A)  Golgi complex 
B)  rough endoplasmic reticulum 
C)  nucleus 
D)  peroxisome 
E)  lysosome 
A)  Golgi complex 
B)  rough endoplasmic reticulum 
C)  nucleus 
D)  peroxisome 
E)  lysosome

Question 4

Chloroplasts utilize light energy to make ____.

Accepted Answer

A)  carbohydrates 
B)  fats 
C)  proteins 
D)  nucleic acids 
E)  steroids 
A)  carbohydrates 
B)  fats 
C)  proteins 
D)  nucleic acids 
E)  steroids

Question 5

Tonoplasts store salts, organic acids, sugars, storage proteins, and pigments in plant cells.

Accepted Answer

A) True 
 B)False

Question 6

Scientists believe that mitochondria may have evolved from ancient bacteria because ____.

Accepted Answer

A)  both are surrounded by a cell wall 
B)  both have their own DNA and ribosomes 
C)  the shapes and size of both are exactly the same 
D)  both have cristae to increase surface area 
E)  both have five chromosomes 
A)  both are surrounded by a cell wall 
B)  both have their own DNA and ribosomes 
C)  the shapes and size of both are exactly the same 
D)  both have cristae to increase surface area 
E)  both have five chromosomes

Question 7

Gap junctions ____.

Accepted Answer

A)  seal the spaces between cells 
B)  allow ions and small molecules to pass between cells 
C)  allow plant cells to communicate with each other 
D)  give the cell its shape 
E)  anchor the cell membrane to the cell wall 
A)  seal the spaces between cells 
B)  allow ions and small molecules to pass between cells 
C)  allow plant cells to communicate with each other 
D)  give the cell its shape 
E)  anchor the cell membrane to the cell wall

Exam 4: Cells

In which type of microscopy is a beam of electrons used to scan the specimen, followed by the conversion of the excited electrons to a three-dimensional image?

The nucleoli, found within the nucleus, are the sites of ____ synthesis.

The ____ contains hydrolytic enzymes for the digestion of proteins, lipids, nucleic acids, and polysaccharides.

Chloroplasts utilize light energy to make ____.

Tonoplasts store salts, organic acids, sugars, storage proteins, and pigments in plant cells.

Scientists believe that mitochondria may have evolved from ancient bacteria because ____.

Gap junctions ____.

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

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