Question 1

It is believed that _____________ and ________________ evolved from _________________.

Accepted Answer

A) plants, Volvox, a common ancestor 
B) land plants, aquatic plants, Volvox 
C) land plants, Volvox, aquatic plants 
D) Volvox, aquatic plants, land plants 
A) plants, Volvox, a common ancestor 
B) land plants, aquatic plants, Volvox 
C) land plants, Volvox, aquatic plants 
D) Volvox, aquatic plants, land plants

Question 2

Examples of the types of informational gene which provide accurate phylogenetic relationship determinations include: (Select all correct choices)

Accepted Answer

A) ribosomal RNA genes 
B) genes encoding cell membrane signal proteins 
C) DNA polymerase genes 
D) transfer RNA genes 
E) genes encoding metabolic activities 
A) ribosomal RNA genes 
B) genes encoding cell membrane signal proteins 
C) DNA polymerase genes 
D) transfer RNA genes 
E) genes encoding metabolic activities

Question 3

Studies on mice suggest that bacterial species predominating in obese individuals differ from those in the digestive tracts of lean individuals and that they play a role in weight gain in obese individuals. What are these bacteria in obese individuals proposed to do that increases weight gain in obese individuals?

Accepted Answer

A) They make obese mice eat more food. 
B) They release chemicals that increase the caloric intake by the mice. 
C) The bacteria in obese individuals may release more calories from digested food than their counterparts in leaner individuals. 
D) The bacteria in obese individuals turn the food in the intestines to fat. 
E) The bacteria in obese individuals produce gas that makes their hosts obese. 
A) They make obese mice eat more food. 
B) They release chemicals that increase the caloric intake by the mice. 
C) The bacteria in obese individuals may release more calories from digested food than their counterparts in leaner individuals. 
D) The bacteria in obese individuals turn the food in the intestines to fat. 
E) The bacteria in obese individuals produce gas that makes their hosts obese.

Question 4

The process by which a relatively unspecialized cell becomes highly specialized is called _______.

Accepted Answer

A) differentiation 
B) determination 
C) degeneracy 
D) denaturation 
E) renaturation 
A) differentiation 
B) determination 
C) degeneracy 
D) denaturation 
E) renaturation

Question 5

Cells grown in culture, outside the body are described as cells grown ________.

Accepted Answer

A) in vivo 
B) live 
C) in vitro 
D) in culturo 
E) vivacious 
A) in vivo 
B) live 
C) in vitro 
D) in culturo 
E) vivacious

Question 6

Who was the first scientist to examine and describe living cells?

Accepted Answer

A) Leeuwenhoek 
B) Hooke 
C) Schleiden 
D) Schwann 
E) Virchow 
A) Leeuwenhoek 
B) Hooke 
C) Schleiden 
D) Schwann 
E) Virchow

Question 7

The supergroup containing animals is __________________.

Accepted Answer

A) Opisthokonta 
B) Amoebozoa 
C) Excavata 
D) Archaeplastida 
E) SAR 
A) Opisthokonta 
B) Amoebozoa 
C) Excavata 
D) Archaeplastida 
E) SAR

Question 8

Which of the following is a tenet of the Cell Theory? (Select all correct choices)

Accepted Answer

A) All organisms are composed of one or more cells. 
B) The cell is the structural unit of life. 
C) Cells can arise only by division from a preexisting cell. 
D) Cells divide only by fission. 
A) All organisms are composed of one or more cells. 
B) The cell is the structural unit of life. 
C) Cells can arise only by division from a preexisting cell. 
D) Cells divide only by fission.

Question 9

Volvox is a member of the supergroup __________________.

Accepted Answer

A) Opisthokonta 
B) Amoebozoa 
C) CCTH 
D) Archaeplastida 
E) SAR 
A) Opisthokonta 
B) Amoebozoa 
C) CCTH 
D) Archaeplastida 
E) SAR

Question 10

What characteristic of collagen makes it a suitable material for inclusion in tissue engineering experiments?

Accepted Answer

A) elasticity 
B) degradability 
C) adhesiveness 
D) immunogenicity 
E) good electrical conductivity 
A) elasticity 
B) degradability 
C) adhesiveness 
D) immunogenicity 
E) good electrical conductivity

Question 11

The genetic material of a prokaryotic cell is present in the _________, a poorly defined region of the cell that lacks a boundary membrane to separate it from the surrounding cytoplasm.

Accepted Answer

A) nucleus 
B) chromatic region 
C) nucleoid 
D) pharmacopeia 
E) genetome 
A) nucleus 
B) chromatic region 
C) nucleoid 
D) pharmacopeia 
E) genetome

Question 12

Which feature is unique to some eukaryotic cells and never seen in prokaryotic cells?

Accepted Answer

A) plasma membrane with similar chemical construction 
B) phagocytic ability 
C) shared metabolic pathways 
D) genetic information encoded in DNA nucleotides 
E) cytoskeletal filaments built of proteins such as actin and tubulin 
A) plasma membrane with similar chemical construction 
B) phagocytic ability 
C) shared metabolic pathways 
D) genetic information encoded in DNA nucleotides 
E) cytoskeletal filaments built of proteins such as actin and tubulin

Question 13

Which of these pairs of life forms are considered to be most closely related?

Accepted Answer

A) animals and plants 
B) plants and fungi 
C) animals and fungi 
D) Giardia and ciliated protozoa 
E) amoebae and ciliated protozoa 
A) animals and plants 
B) plants and fungi 
C) animals and fungi 
D) Giardia and ciliated protozoa 
E) amoebae and ciliated protozoa

Question 14

Which of the following are NOT considered to belong to the Archaea?

Accepted Answer

A) Methanogens 
B) Halophiles 
C) Acidophiles 
D) Thermophiles 
E) Eubacteria 
A) Methanogens 
B) Halophiles 
C) Acidophiles 
D) Thermophiles 
E) Eubacteria

Question 15

The flagellum of E. coli is chemically most similar to the flagellum of _______________.

Accepted Answer

A) a human sperm cell 
B) a protist 
C) green algae like Euglena 
D) the bacterium Salmonella 
E) all are made of the same molecules 
A) a human sperm cell 
B) a protist 
C) green algae like Euglena 
D) the bacterium Salmonella 
E) all are made of the same molecules

Question 16

Which abilities/characteristics are thought to have been possessed by both LECA (last eukaryotic common ancestor)and by FECA (first eukaryotic common ancestor)? (Select all correct choices)

Accepted Answer

A) ability to synthesize internal membranes 
B) phagocytic ability 
C) ability to splice introns 
D) development of meiosis 
E) possession of mitochondria 
A) ability to synthesize internal membranes 
B) phagocytic ability 
C) ability to splice introns 
D) development of meiosis 
E) possession of mitochondria

Question 17

The supergroup containing ciliated protozoa is __________________.

Accepted Answer

A) Opisthokonta 
B) Amoebozoa 
C) CCTH 
D) Archaeplastida 
E) SAR 
A) Opisthokonta 
B) Amoebozoa 
C) CCTH 
D) Archaeplastida 
E) SAR

Question 18

The supergroup containing the most obscure and poorly understood protozoa is __________________.

Accepted Answer

A) Opisthokonta 
B) Amoebozoa 
C) Excavata 
D) CCTH 
E) SAR 
A) Opisthokonta 
B) Amoebozoa 
C) Excavata 
D) CCTH 
E) SAR

Question 19

Which of the following is NOT a model organism used for understanding basic processes of life?

Accepted Answer

A) Mus musculus 
B) Drosophila melanogaster 
C) Homo sapiens 
D) Arabidopsis thaliana 
E) Caenorhabditis elegans 
A) Mus musculus 
B) Drosophila melanogaster 
C) Homo sapiens 
D) Arabidopsis thaliana 
E) Caenorhabditis elegans

Question 20

What characteristics distinguish prokaryotic and eukaryotic cells?

Accepted Answer

A) Eukaryotes have membrane-bound organelles; prokaryotes do not. 
B) Prokaryotes have relatively little DNA; eukaryotes generally have much more. 
C) Eukaryotic chromosomes are linear; prokaryotic chromosomes are circular. 
D) Eukaryotic DNA is usually heavily associated with protein to form a nucleoprotein complex called chromatin, which is not seen in prokaryotic genetic material. 
E) All of these are correct. 
A) Eukaryotes have membrane-bound organelles; prokaryotes do not. 
B) Prokaryotes have relatively little DNA; eukaryotes generally have much more. 
C) Eukaryotic chromosomes are linear; prokaryotic chromosomes are circular. 
D) Eukaryotic DNA is usually heavily associated with protein to form a nucleoprotein complex called chromatin, which is not seen in prokaryotic genetic material. 
E) All of these are correct.

It is believed that _ and evolved from _____.

Examples of the types of informational gene which provide accurate phylogenetic relationship determinations include: (Select all correct choices)

The process by which a relatively unspecialized cell becomes highly specialized is called _______.

Cells grown in culture, outside the body are described as cells grown ________.

Who was the first scientist to examine and describe living cells?

The supergroup containing animals is __________________.

Which of the following is a tenet of the Cell Theory? (Select all correct choices)

Volvox is a member of the supergroup __________________.

What characteristic of collagen makes it a suitable material for inclusion in tissue engineering experiments?

The genetic material of a prokaryotic cell is present in the _________, a poorly defined region of the cell that lacks a boundary membrane to separate it from the surrounding cytoplasm.

Which feature is unique to some eukaryotic cells and never seen in prokaryotic cells?

Which of these pairs of life forms are considered to be most closely related?

Which of the following are NOT considered to belong to the Archaea?

The flagellum of E. coli is chemically most similar to the flagellum of _______________.

Which abilities/characteristics are thought to have been possessed by both LECA (last eukaryotic common ancestor)and by FECA (first eukaryotic common ancestor)? (Select all correct choices)

The supergroup containing ciliated protozoa is __________________.

The supergroup containing the most obscure and poorly understood protozoa is __________________.

Which of the following is NOT a model organism used for understanding basic processes of life?

What characteristics distinguish prokaryotic and eukaryotic cells?

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

It is believed that _____________ and ________________ evolved from _________________.

Examples of the types of informational gene which provide accurate phylogenetic relationship determinations include: (Select all correct choices)

The process by which a relatively unspecialized cell becomes highly specialized is called _______.

Cells grown in culture, outside the body are described as cells grown ________.

Who was the first scientist to examine and describe living cells?

The supergroup containing animals is __________________.

Which of the following is a tenet of the Cell Theory? (Select all correct choices)

Volvox is a member of the supergroup __________________.

What characteristic of collagen makes it a suitable material for inclusion in tissue engineering experiments?

The genetic material of a prokaryotic cell is present in the _________, a poorly defined region of the cell that lacks a boundary membrane to separate it from the surrounding cytoplasm.

Which feature is unique to some eukaryotic cells and never seen in prokaryotic cells?

Which of these pairs of life forms are considered to be most closely related?

Which of the following are NOT considered to belong to the Archaea?

The flagellum of E. coli is chemically most similar to the flagellum of _______________.

Which abilities/characteristics are thought to have been possessed by both LECA (last eukaryotic common ancestor)and by FECA (first eukaryotic common ancestor)? (Select all correct choices)

The supergroup containing ciliated protozoa is __________________.

The supergroup containing the most obscure and poorly understood protozoa is __________________.

Which of the following is NOT a model organism used for understanding basic processes of life?

What characteristics distinguish prokaryotic and eukaryotic cells?

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

It is believed that _ and evolved from _____.