Question 1

The primary functions of the extracellular matrix is protection and support.

Accepted Answer

A) True 
 B)False  True

Question 2

What is the function of sex pili in prokaryotes? ​

Accepted Answer

A) biofilm formation ​ 
B) transfer of DNA 
C) protein polymerization 
D) energy production 
E) lipid synthesis 
A) biofilm formation ​ 
B) transfer of DNA 
C) protein polymerization 
D) energy production 
E) lipid synthesis B

Question 3

Lipid synthesis occurs in the Golgi complex.

Accepted Answer

A) True 
 B)False  False

Question 4

Aerobic cellular respiration occurs in the ____. ​

Accepted Answer

A) Lysosomes ​ 
B) Chloroplasts 
C) Mitochondria 
D) Peroxisomes 
E) Golgi complex 
A) Lysosomes ​ 
B) Chloroplasts 
C) Mitochondria 
D) Peroxisomes 
E) Golgi complex

Question 5

The coordinated beating of the heart is accomplished in part by the presence of ____ in heart muscle tissue that allows for communication between the cells. ​

Accepted Answer

A) tight junctions 
B) desmosomes 
C) adherens junctions 
D) anchoring junctions 
E) gap junctions 
A) tight junctions 
B) desmosomes 
C) adherens junctions 
D) anchoring junctions 
E) gap junctions

Question 6

A human egg is approximately 100 m m, or ____ mm, in diameter. ​

Accepted Answer

A) 0.10 
B) 10.0 
C) 0.010 
D) 0.0010 
E) 1.0 
A) 0.10 
B) 10.0 
C) 0.010 
D) 0.0010 
E) 1.0

Question 7

Why is there an upper limit to the surface area-to-volume ratio in a cell? ​

Accepted Answer

A) The volume of the cell maximizes the use of phospholipids. 
B) The surface area must be sufficient to provide adequate nutrient and waste exchange to sustain the chemical activities of the cell. 
C) The cells require a balance between endocytosis of precursor molecules to transporters in the membrane. 
D) The size of a cell is limited by the number of mitochondria. 
E) The organelles in cells require communication with the extracellular environment to support internal functions. 
A) The volume of the cell maximizes the use of phospholipids. 
B) The surface area must be sufficient to provide adequate nutrient and waste exchange to sustain the chemical activities of the cell. 
C) The cells require a balance between endocytosis of precursor molecules to transporters in the membrane. 
D) The size of a cell is limited by the number of mitochondria. 
E) The organelles in cells require communication with the extracellular environment to support internal functions.

Question 8

Why can eggs be larger than other cell types? ​

Accepted Answer

A) eggs contain a large store of nutrients 
B) eggs do not perform exocytosis 
C) other cell types need higher concentrations of glucose 
D) other cell types divide when they get too large 
E) other cell types require phospholipids for organelle membranes 
A) eggs contain a large store of nutrients 
B) eggs do not perform exocytosis 
C) other cell types need higher concentrations of glucose 
D) other cell types divide when they get too large 
E) other cell types require phospholipids for organelle membranes

Question 9

A bundle of ____ extends from the base to the tip of a eukaryotic flagellum or cilium. ​

Accepted Answer

A) microtubules 
B) microfilaments 
C) actin 
D) cytokeratin 
E) intermediate filaments 
A) microtubules 
B) microfilaments 
C) actin 
D) cytokeratin 
E) intermediate filaments

Question 10

Proteins on the cell surface label the cells as "self", identifying them to the immune cells as belonging to the organism.

Accepted Answer

A) True 
 B)False

Question 11

In normal cells, cell adhesion molecules are partially responsible for the cell's ability to ____. ​

Accepted Answer

A) migrate to new locations in the body ​ 
B) recognize other cells as "self" 
C) exocytosis 
D) both migrate to new locations in the body and recognize other cells as "self" 
E) recognize linkages between cells in muscle and bone 
A) migrate to new locations in the body ​ 
B) recognize other cells as "self" 
C) exocytosis 
D) both migrate to new locations in the body and recognize other cells as "self" 
E) recognize linkages between cells in muscle and bone

Question 12

Cells that are making large quantities of proteins will have numerous ____. ​

Accepted Answer

A) centrioles 
B) chromosomes 
C) cilia 
D) plastids 
E) ribosomes 
A) centrioles 
B) chromosomes 
C) cilia 
D) plastids 
E) ribosomes

Question 13

The surface area of the inner mitochondrial membrane is greatly increased by ____. ​

Accepted Answer

A) cristae 
B) the matrix ​ 
C) centrioles 
D) nucleoli 
E) microfilaments 
A) cristae 
B) the matrix ​ 
C) centrioles 
D) nucleoli 
E) microfilaments

Question 14

Which early scientist proposed that cells arise only from preexisting cells by a process of division? ​

Accepted Answer

A) Anton van Leeuwenhoek 
B) Robert Brown 
C) Matthias Schleiden 
D) Theodor Schwann 
E) Rudolf Virchow 
A) Anton van Leeuwenhoek 
B) Robert Brown 
C) Matthias Schleiden 
D) Theodor Schwann 
E) Rudolf Virchow

Question 15

Plant cells grow primarily by increasing ____. ​

Accepted Answer

A) cell number through cell division ​ 
B) cell size through cell differentiation 
C) pressure and volume of the central vacuole 
D) the amount of extracellular matrix 
E) the concentration of lignin 
A) cell number through cell division ​ 
B) cell size through cell differentiation 
C) pressure and volume of the central vacuole 
D) the amount of extracellular matrix 
E) the concentration of lignin

Question 16

Match between columns
                        Premises: Golgi complex

Accepted Answer

The Answer of I and B and D  and is...

Question 17

In plant cells, the ____ provides cellular support and protects the cell from pathogens. ​

Accepted Answer

A) cytoplasm ​ 
B) cell membrane 
C) cytoskeleton 
D) plasmodesmata 
E) cell wall ​ 
A) cytoplasm ​ 
B) cell membrane 
C) cytoskeleton 
D) plasmodesmata 
E) cell wall ​

Question 18

Systems cell biologists often work with ____ to develop models of cellular processes that can be refined by experimental validation.

Accepted Answer

A) molecular biologists 
B) reduction scientists 
C) the membrane 
D) mathematicians 
E) mathematicians and computer scientists 
A) molecular biologists 
B) reduction scientists 
C) the membrane 
D) mathematicians 
E) mathematicians and computer scientists

Question 19

In animal cells, ____ radiating from the cell center anchor organelles such as the ER and Golgi complex, and provide tracks for vesicle movement.

Accepted Answer

A) microfilaments 
B) microtubules 
C) laminins 
D) actins 
E) cytokeratins 
A) microfilaments 
B) microtubules 
C) laminins 
D) actins 
E) cytokeratins

Question 20

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

Exam 4: Cells

The primary functions of the extracellular matrix is protection and support.

What is the function of sex pili in prokaryotes? ​

Lipid synthesis occurs in the Golgi complex.

Aerobic cellular respiration occurs in the ____. ​

The coordinated beating of the heart is accomplished in part by the presence of ____ in heart muscle tissue that allows for communication between the cells. ​

A human egg is approximately 100 m m, or ____ mm, in diameter. ​

Why is there an upper limit to the surface area-to-volume ratio in a cell? ​

Why can eggs be larger than other cell types? ​

A bundle of ____ extends from the base to the tip of a eukaryotic flagellum or cilium. ​

Proteins on the cell surface label the cells as "self", identifying them to the immune cells as belonging to the organism.

In normal cells, cell adhesion molecules are partially responsible for the cell's ability to ____. ​

Cells that are making large quantities of proteins will have numerous ____. ​

The surface area of the inner mitochondrial membrane is greatly increased by ____. ​

Which early scientist proposed that cells arise only from preexisting cells by a process of division? ​

Plant cells grow primarily by increasing ____. ​

In plant cells, the ____ provides cellular support and protects the cell from pathogens. ​

Systems cell biologists often work with ____ to develop models of cellular processes that can be refined by experimental validation.

In animal cells, ____ radiating from the cell center anchor organelles such as the ER and Golgi complex, and provide tracks for vesicle movement.

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

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

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: 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

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

What is the function of sex pili in prokaryotes?

Aerobic cellular respiration occurs in the ____.

The coordinated beating of the heart is accomplished in part by the presence of ____ in heart muscle tissue that allows for communication between the cells.

A human egg is approximately 100 m m, or ____ mm, in diameter.

Why is there an upper limit to the surface area-to-volume ratio in a cell?

Why can eggs be larger than other cell types?

A bundle of ____ extends from the base to the tip of a eukaryotic flagellum or cilium.

In normal cells, cell adhesion molecules are partially responsible for the cell's ability to ____.

Cells that are making large quantities of proteins will have numerous ____.

The surface area of the inner mitochondrial membrane is greatly increased by ____.

Which early scientist proposed that cells arise only from preexisting cells by a process of division?

Plant cells grow primarily by increasing ____.

In plant cells, the ____ provides cellular support and protects the cell from pathogens.

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