2023 USU HUMAN PHYSIOLOGY FINAL
(BIOL 2420) COMPLETE WITH 100+
QUESTIONS AND ANSWERS
_______ is a relationship in which both members benefit:
A) symbiosis
B) antagonism
C) mutualism
D) commensalism - ANSWER-Mutualism
________ cells are those that do not have a membrane-bound nucleus:
A) pseudokaryotes
B) eukaryotes
C) prokaryotes
D) fungi - ANSWER-Prokaryotes
________ contain a nucleus composed of genetic material surrounded by a membrane:
A) pseudokaryotes
B) eukaryotes
C) prokaryotes
D) enzymes - ANSWER-Eukaryotes
_____have been held responsible for a number of degenerative brain diseases,
including mad cow disease, Creutzfeldt-Jakob disease, fatal familial insomnia, kuru, and
an unusual form of hereditary dementia known as Gertsmann-Straeussler-Scheinker
disease - ANSWER-Prions
"Vegetations" is caused by bacterial colonization of:
A) ear
B) endocardium
C) skin
D) wounds - ANSWER-Endocardium
(results in 2 diploids) = prophase 1, metaphase 1, anaphase 1, telophase 1, -
ANSWER-Meiosis I
(results in 4 haploids) = prophase 2, metaphase 2, anaphase 2, telophase 2 -
ANSWER-Meiosis II
1. Growth: Size
2. Reproduction: Quanity
3. Responsiveness: React to stimuli
,4. Metabolism: Control chemical reactions - ANSWER-Living Things
1. Primary Stain: Carbolfuchsin
2. Counter Stain: Methylene Blue
3. Differential Stain
Positive = Pink
Negative = Blue - ANSWER-Acid Fast Stain (Smegmatis+)
1. Primary Stain: Crystal Violet
2. Mordant: Iodine
3. Decolorizing: Acetone Alcohol
4. Counter Stain: Safranin
Positive = Purple
Negative = Pink - ANSWER-Gram Stain (B Subtilis vs E Coli)
1. Primary Stain: Malachite Green
2. Counter Stain: Safranin
Outer=Pink
Inner=Green - ANSWER-Endospore Stain
A chemical circulating in the blood that causes a rise in body temperature.
A) pyrogens
B) interferons
C) prions - ANSWER-Pyrogens (Bacterial toxins, cytoplasmic contents of bacteria
released by lysis and antibody-antigen complexes)
A form of asexual reproduction in single-celled organisms by which one cell divides into
two cells of the same size - ANSWER-Binary Fission
A form of asexual reproduction of yeast in which a new cell grows out of the body of a
parent. - ANSWER-Budding
A green pigment produced by P. aeruginosa that contributes to tissue damage is:
A) streptokinase
B) pyocyanin
C) lipase
D) hyaluronidase - ANSWER-Pyocyanin
A microbe is moving toward a food source. This is an example of:
A) reproduction
B) metabolism
C) responsiveness
D) growth - ANSWER-Responsiveness
A segment of DNA containing adjacent genes including structural genes and an
operator gene and a regulatory gene - ANSWER-Operon
, A segment of DNA on a chromosome that codes for a specific trait - ANSWER-Gene
A specific sequence of DNA that encode for a protein is known as:
A) genome
B) gene
C) genotype
D) phenotype - ANSWER-Gene
A unique dormant structure produced by some bacteria that provides the bacterium a
defensive strategy against unfavorable conditions is known as:
A) capsule
B) cell wall
C) endospore
D) sporangium
E) budding - ANSWER-Endospore
A virion is composed of an:
A) envelope
B) capsid
C) nucleic acid
D) capsid and nucleic acid - ANSWER-Capsid & nucleic Acid
A virulence factor for S. mutans is:
A) LPS
B) Flagella
C) dextran
D) mycolic acid
E) neurotoxin - ANSWER-Dextran (produce a sticky, extracellular, dextran-based
polysaccharide that allows them to cohere, forming plaque)
A. niger is an example of which of the following types of microorganisms?
A) fungi
B) protozoa
C) algae
D) viruses - ANSWER-Fungi
A. niger is an example of which of which type of microorganisms?
A) fungi
B) protozoa
C) algae
D) viruses - ANSWER-Fungi
Active response to antigens via humoral or cell-mediated responses - ANSWER-Active
(BIOL 2420) COMPLETE WITH 100+
QUESTIONS AND ANSWERS
_______ is a relationship in which both members benefit:
A) symbiosis
B) antagonism
C) mutualism
D) commensalism - ANSWER-Mutualism
________ cells are those that do not have a membrane-bound nucleus:
A) pseudokaryotes
B) eukaryotes
C) prokaryotes
D) fungi - ANSWER-Prokaryotes
________ contain a nucleus composed of genetic material surrounded by a membrane:
A) pseudokaryotes
B) eukaryotes
C) prokaryotes
D) enzymes - ANSWER-Eukaryotes
_____have been held responsible for a number of degenerative brain diseases,
including mad cow disease, Creutzfeldt-Jakob disease, fatal familial insomnia, kuru, and
an unusual form of hereditary dementia known as Gertsmann-Straeussler-Scheinker
disease - ANSWER-Prions
"Vegetations" is caused by bacterial colonization of:
A) ear
B) endocardium
C) skin
D) wounds - ANSWER-Endocardium
(results in 2 diploids) = prophase 1, metaphase 1, anaphase 1, telophase 1, -
ANSWER-Meiosis I
(results in 4 haploids) = prophase 2, metaphase 2, anaphase 2, telophase 2 -
ANSWER-Meiosis II
1. Growth: Size
2. Reproduction: Quanity
3. Responsiveness: React to stimuli
,4. Metabolism: Control chemical reactions - ANSWER-Living Things
1. Primary Stain: Carbolfuchsin
2. Counter Stain: Methylene Blue
3. Differential Stain
Positive = Pink
Negative = Blue - ANSWER-Acid Fast Stain (Smegmatis+)
1. Primary Stain: Crystal Violet
2. Mordant: Iodine
3. Decolorizing: Acetone Alcohol
4. Counter Stain: Safranin
Positive = Purple
Negative = Pink - ANSWER-Gram Stain (B Subtilis vs E Coli)
1. Primary Stain: Malachite Green
2. Counter Stain: Safranin
Outer=Pink
Inner=Green - ANSWER-Endospore Stain
A chemical circulating in the blood that causes a rise in body temperature.
A) pyrogens
B) interferons
C) prions - ANSWER-Pyrogens (Bacterial toxins, cytoplasmic contents of bacteria
released by lysis and antibody-antigen complexes)
A form of asexual reproduction in single-celled organisms by which one cell divides into
two cells of the same size - ANSWER-Binary Fission
A form of asexual reproduction of yeast in which a new cell grows out of the body of a
parent. - ANSWER-Budding
A green pigment produced by P. aeruginosa that contributes to tissue damage is:
A) streptokinase
B) pyocyanin
C) lipase
D) hyaluronidase - ANSWER-Pyocyanin
A microbe is moving toward a food source. This is an example of:
A) reproduction
B) metabolism
C) responsiveness
D) growth - ANSWER-Responsiveness
A segment of DNA containing adjacent genes including structural genes and an
operator gene and a regulatory gene - ANSWER-Operon
, A segment of DNA on a chromosome that codes for a specific trait - ANSWER-Gene
A specific sequence of DNA that encode for a protein is known as:
A) genome
B) gene
C) genotype
D) phenotype - ANSWER-Gene
A unique dormant structure produced by some bacteria that provides the bacterium a
defensive strategy against unfavorable conditions is known as:
A) capsule
B) cell wall
C) endospore
D) sporangium
E) budding - ANSWER-Endospore
A virion is composed of an:
A) envelope
B) capsid
C) nucleic acid
D) capsid and nucleic acid - ANSWER-Capsid & nucleic Acid
A virulence factor for S. mutans is:
A) LPS
B) Flagella
C) dextran
D) mycolic acid
E) neurotoxin - ANSWER-Dextran (produce a sticky, extracellular, dextran-based
polysaccharide that allows them to cohere, forming plaque)
A. niger is an example of which of the following types of microorganisms?
A) fungi
B) protozoa
C) algae
D) viruses - ANSWER-Fungi
A. niger is an example of which of which type of microorganisms?
A) fungi
B) protozoa
C) algae
D) viruses - ANSWER-Fungi
Active response to antigens via humoral or cell-mediated responses - ANSWER-Active
