Question 1

Which feature is shared by both prokaryotic and eukaryotic cells?

Accepted Answer

A) complex chromosomes capable of forming condensed chromatin 
B) complex cilia and flagella 
C) photosystems housed in chloroplast membranes 
D) cell division employing a mitotic spindle 
E) diploid chromosomes inherited from several parents 
A) complex chromosomes capable of forming condensed chromatin 
B) complex cilia and flagella 
C) photosystems housed in chloroplast membranes 
D) cell division employing a mitotic spindle 
E) diploid chromosomes inherited from several parents

Question 2

Which of these are viable suggestions to explain the mixed character of the eukaryotic genome? (Select all correct choices)

Accepted Answer

A) an archaebacterial cell fused with a eubacterial cell and the genomes integrated 
B) eubacterial genes migrated from chloroplasts and mitochondria to become nuclear genes 
C) eukaryotic genes migrated from chloroplasts and mitochondria to become nuclear genes 
D) eukaryotic cells evolved from archaebacterial ancestors and then picked up eubacterial genes 
E) archaebacterial genes migrated from chloroplasts and mitochondria to become nuclear genes 
A) an archaebacterial cell fused with a eubacterial cell and the genomes integrated 
B) eubacterial genes migrated from chloroplasts and mitochondria to become nuclear genes 
C) eukaryotic genes migrated from chloroplasts and mitochondria to become nuclear genes 
D) eukaryotic cells evolved from archaebacterial ancestors and then picked up eubacterial genes 
E) archaebacterial genes migrated from chloroplasts and mitochondria to become nuclear genes

Question 3

Gene transfer from one organism to another within the same generation of cells is termed _____________. (Select all correct choices)

Accepted Answer

A) parental gene transfer 
B) horizontal gene transfer 
C) vertical gene transfer 
D) lateral gene transfer 
E) endosymbiont gene transfer 
A) parental gene transfer 
B) horizontal gene transfer 
C) vertical gene transfer 
D) lateral gene transfer 
E) endosymbiont gene transfer

Question 4

The major lineages derived from LECA (last eukaryotic common ancestor)are termed _______________________.

Accepted Answer

A) kingdoms 
B) domains 
C) phyla 
D) supergroups 
E) species 
A) kingdoms 
B) domains 
C) phyla 
D) supergroups 
E) species

Question 5

Supergroups of eukaryotic organisms are mostly separate groups of:

Accepted Answer

A) animals 
B) plants 
C) protists 
D) viruses 
E) algae 
A) animals 
B) plants 
C) protists 
D) viruses 
E) algae

Question 6

Which of the following is NOT typically a behavior exhibited by a cell with a proviral infection?

Accepted Answer

A) Immediate production of new viruses and subsequent lysis of the host cell. 
B) Normal behavior until exposure to a stimulus, like UV radiation, that activates dormant viral DNA, leading to lysis of the host cell and release of viral progeny. 
C) Production of new viral progeny that bud at the cell surface without lysing the infected cell. 
D) Loss of control in animal cells over their growth and division followed by malignancy. 
A) Immediate production of new viruses and subsequent lysis of the host cell. 
B) Normal behavior until exposure to a stimulus, like UV radiation, that activates dormant viral DNA, leading to lysis of the host cell and release of viral progeny. 
C) Production of new viral progeny that bud at the cell surface without lysing the infected cell. 
D) Loss of control in animal cells over their growth and division followed by malignancy.

Question 7

The ancestral cell which had characteristics including mitochondria, evolutionarily derived functions such as intron splicing, ability to undergo meiosis, and cytoskeletal elements has been termed the _________________.

Accepted Answer

A) LUCA (last universal common ancestor) 
B) FECA (first eukaryotic common ancestor) 
C) LECA (last eukaryotic common ancestor) 
D) FUCA (first universal common ancestor) 
A) LUCA (last universal common ancestor) 
B) FECA (first eukaryotic common ancestor) 
C) LECA (last eukaryotic common ancestor) 
D) FUCA (first universal common ancestor)

Question 8

What is the most appropriate unit of measurement for macromolecular complexes including ribosomes and microfilaments?

Accepted Answer

A) picometers 
B) angstroms 
C) nanometers 
D) micrometers 
E) centimeters 
A) picometers 
B) angstroms 
C) nanometers 
D) micrometers 
E) centimeters

Question 9

Scaffolds for tissue engineering need to be porous because: (Select all correct choices)

Accepted Answer

A) this creates more surface area for cell adhesion 
B) this will allow access for electronic circuitry to be connected to cells in the replacement organ 
C) nutrient and waste diffusion will be more effective 
D) the scaffold will be more rigid and strong 
E) the scaffold will be more likely to be accepted by the immune defenses of the body 
A) this creates more surface area for cell adhesion 
B) this will allow access for electronic circuitry to be connected to cells in the replacement organ 
C) nutrient and waste diffusion will be more effective 
D) the scaffold will be more rigid and strong 
E) the scaffold will be more likely to be accepted by the immune defenses of the body

Question 10

What is the most appropriate unit of measurement for most types of cells?

Accepted Answer

A) picometers 
B) angstroms 
C) nanometers 
D) micrometers 
E) centimeters 
A) picometers 
B) angstroms 
C) nanometers 
D) micrometers 
E) centimeters

Question 11

Which of the following statements accurately characterize cells?

Accepted Answer

A) Cells are highly complex and organized. 
B) Cells possess a genetic program and the means to use it. 
C) Cells are capable of producing more of themselves. 
D) Cells acquire and utilize energy. 
E) All choices are correct. 
A) Cells are highly complex and organized. 
B) Cells possess a genetic program and the means to use it. 
C) Cells are capable of producing more of themselves. 
D) Cells acquire and utilize energy. 
E) All choices are correct.

Question 12

Yeast genome analysis has revealed a mixed ancestry of eubacterial and archaebacterial gene inheritance. Studies presently show:

Accepted Answer

A) archaeal character in metabolic genes and eubacterial character in the informational genes 
B) eubacterial character in metabolic genes and archaeal character in the informational genes 
C) eubacterial character in informational and metabolic genes and archaeal character in cell wall genes 
D) archaeal character in informational and metabolic genes and eubacterial character in cell wall genes 
E) eubacterial character in informational and metabolic genes and archaeal character in motility genes 
A) archaeal character in metabolic genes and eubacterial character in the informational genes 
B) eubacterial character in metabolic genes and archaeal character in the informational genes 
C) eubacterial character in informational and metabolic genes and archaeal character in cell wall genes 
D) archaeal character in informational and metabolic genes and eubacterial character in cell wall genes 
E) eubacterial character in informational and metabolic genes and archaeal character in motility genes

Question 13

Risks associated with embryonic stem cell therapies include: (Select all correct choices)

Accepted Answer

A) development of cancer 
B) immunological rejection of transplants created for unrelated organ recipients 
C) development of teratomas 
D) complications with the use of non-human biological materials 
E) competition with the technology used in employing induced pluripotent stem cell technology 
A) development of cancer 
B) immunological rejection of transplants created for unrelated organ recipients 
C) development of teratomas 
D) complications with the use of non-human biological materials 
E) competition with the technology used in employing induced pluripotent stem cell technology

Question 14

Which of the following is NOT a feature shared by all cells?

Accepted Answer

A) plasma membrane with similar chemical construction 
B) genetic information encoded in DNA nucleotides 
C) shared metabolic pathways 
D) division of cells into nucleus and cytoplasm 
E) similar energy storing chemicals such as ATP 
A) plasma membrane with similar chemical construction 
B) genetic information encoded in DNA nucleotides 
C) shared metabolic pathways 
D) division of cells into nucleus and cytoplasm 
E) similar energy storing chemicals such as ATP

Question 15

The first culture of human cells was begun by George and Martha Gey of Johns Hopkins University in 1951. The cells were obtained from a malignant tumor and named ______ cells after the donor, _________.

Accepted Answer

A) MaLe, Mary Leeds 
B) HeLa, Henrietta Lacks 
C) Roberts, John Roberts 
D) MaLe, Martin Lewis 
E) HeLa, Helen Lassiter 
A) MaLe, Mary Leeds 
B) HeLa, Henrietta Lacks 
C) Roberts, John Roberts 
D) MaLe, Martin Lewis 
E) HeLa, Helen Lassiter

Question 16

What materials are found in fully artificial organs? (Select all correct choices)

Accepted Answer

A) plastics 
B) ceramics 
C) electronics 
D) heavy metals 
E) recombinant cells 
A) plastics 
B) ceramics 
C) electronics 
D) heavy metals 
E) recombinant cells

Question 17

Lynn Margulis's resurrected hypothesis that eukaryotic evolution was partly a result of the internal residence of prokaryotic organisms is termed the _________________ theory.

Accepted Answer

A) phagocytosis 
B) ingestion 
C) endosymbiont 
D) invasive 
E) digestion 
A) phagocytosis 
B) ingestion 
C) endosymbiont 
D) invasive 
E) digestion

Question 18

Why are viruses NOT considered to be organisms and not described as being alive? (Select all correct choices)

Accepted Answer

A) Viruses are unable to reproduce by themselves. 
B) Viruses are not able to metabolize by themselves. 
C) Viruses are not able to synthesize DNA by themselves. 
D) Viruses are not able to assemble spontaneously. 
A) Viruses are unable to reproduce by themselves. 
B) Viruses are not able to metabolize by themselves. 
C) Viruses are not able to synthesize DNA by themselves. 
D) Viruses are not able to assemble spontaneously.

Question 19

What factor or factors discovered with electron microscopy distinguished prokaryotic from eukaryotic cells? (Select all correct choices)

Accepted Answer

A) their size 
B) their color 
C) the types of their internal structures or organelles 
D) their fragility 
A) their size 
B) their color 
C) the types of their internal structures or organelles 
D) their fragility

Question 20

The best explanation of what defines a multicellular organism, as opposed to a colonial one, is that:

Accepted Answer

A) a multicellular organism can exist and propagate as both a single-celled or a multicelled form. 
B) a multicellular organism can only exist and propagate as a multicelled form. 
C) a multicellular organism can only exist and propagate as a single-celled form. 
D) a multicellular organism shows signs of cellular differentiation throughout its life cycle. 
A) a multicellular organism can exist and propagate as both a single-celled or a multicelled form. 
B) a multicellular organism can only exist and propagate as a multicelled form. 
C) a multicellular organism can only exist and propagate as a single-celled form. 
D) a multicellular organism shows signs of cellular differentiation throughout its life cycle.

Which feature is shared by both prokaryotic and eukaryotic cells?

Which of these are viable suggestions to explain the mixed character of the eukaryotic genome? (Select all correct choices)

Gene transfer from one organism to another within the same generation of cells is termed _____________. (Select all correct choices)

The major lineages derived from LECA (last eukaryotic common ancestor)are termed _______________________.

Supergroups of eukaryotic organisms are mostly separate groups of:

Which of the following is NOT typically a behavior exhibited by a cell with a proviral infection?

The ancestral cell which had characteristics including mitochondria, evolutionarily derived functions such as intron splicing, ability to undergo meiosis, and cytoskeletal elements has been termed the _________________.

What is the most appropriate unit of measurement for macromolecular complexes including ribosomes and microfilaments?

Scaffolds for tissue engineering need to be porous because: (Select all correct choices)

What is the most appropriate unit of measurement for most types of cells?

Which of the following statements accurately characterize cells?

Yeast genome analysis has revealed a mixed ancestry of eubacterial and archaebacterial gene inheritance. Studies presently show:

Risks associated with embryonic stem cell therapies include: (Select all correct choices)

Which of the following is NOT a feature shared by all cells?

The first culture of human cells was begun by George and Martha Gey of Johns Hopkins University in 1951. The cells were obtained from a malignant tumor and named cells after the donor, ___.

What materials are found in fully artificial organs? (Select all correct choices)

Lynn Margulis's resurrected hypothesis that eukaryotic evolution was partly a result of the internal residence of prokaryotic organisms is termed the _________________ theory.

Why are viruses NOT considered to be organisms and not described as being alive? (Select all correct choices)

What factor or factors discovered with electron microscopy distinguished prokaryotic from eukaryotic cells? (Select all correct choices)

The best explanation of what defines a multicellular organism, as opposed to a colonial one, is that:

The Chemical Basis of Life

Bioenergetics, Enzymes and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

The Nature of the Gene and the Genome

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

Exam 1: Introduction to the Study of Cell and Molecular Biology

Which feature is shared by both prokaryotic and eukaryotic cells?

Which of these are viable suggestions to explain the mixed character of the eukaryotic genome? (Select all correct choices)

Gene transfer from one organism to another within the same generation of cells is termed _____________. (Select all correct choices)

The major lineages derived from LECA (last eukaryotic common ancestor)are termed _______________________.

Supergroups of eukaryotic organisms are mostly separate groups of:

Which of the following is NOT typically a behavior exhibited by a cell with a proviral infection?

The ancestral cell which had characteristics including mitochondria, evolutionarily derived functions such as intron splicing, ability to undergo meiosis, and cytoskeletal elements has been termed the _________________.

What is the most appropriate unit of measurement for macromolecular complexes including ribosomes and microfilaments?

Scaffolds for tissue engineering need to be porous because: (Select all correct choices)

What is the most appropriate unit of measurement for most types of cells?

Which of the following statements accurately characterize cells?

Yeast genome analysis has revealed a mixed ancestry of eubacterial and archaebacterial gene inheritance. Studies presently show:

Risks associated with embryonic stem cell therapies include: (Select all correct choices)

Which of the following is NOT a feature shared by all cells?

The first culture of human cells was begun by George and Martha Gey of Johns Hopkins University in 1951. The cells were obtained from a malignant tumor and named ______ cells after the donor, _________.

What materials are found in fully artificial organs? (Select all correct choices)

Lynn Margulis's resurrected hypothesis that eukaryotic evolution was partly a result of the internal residence of prokaryotic organisms is termed the _________________ theory.

Why are viruses NOT considered to be organisms and not described as being alive? (Select all correct choices)

What factor or factors discovered with electron microscopy distinguished prokaryotic from eukaryotic cells? (Select all correct choices)

The best explanation of what defines a multicellular organism, as opposed to a colonial one, is that:

The Chemical Basis of Life

Bioenergetics, Enzymes and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

The Nature of the Gene and the Genome

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

The first culture of human cells was begun by George and Martha Gey of Johns Hopkins University in 1951. The cells were obtained from a malignant tumor and named cells after the donor, ___.