MICROBIO FINAL
a. Eukaryotes.
1. The microorganisms that have a nucleus are a. Eukaryotes. b. Decomposers. c.
Prokaryotes. d. Gram-positives. e. Archaea.
b. 3.5 billion
2. Fossil evidence suggests microorganisms arose around _______ years ago. a.
4.543 billion b. 3.5 billion c. 2.8 billion d. 1.8 billion e. 10 million
c. Viruses cannot replicate without a host cell.
3. Which of the following is a unique characteristic of viruses that distinguishes
them from the other major groups of microorganisms? a. Viruses are the only
microbe that causes human diseases. b. Viruses lack genetic information. c.
Viruses cannot replicate without a host cell. d. Viruses always have a cell
envelope. e. Viruses contain ribosomes.
d. Developed quality magnifying lenses to discover that "animalcules" or
microscopic life exists all around us
,4. What was the main contribution of Antoine van Leeuwenhoek to the field of
microbiology? a. Known as the Father of Germ Theory b. Showed growth of
bacteria was due to spontaneous generation c. Pioneered the ideas that all
species of life have descended from a common ancestor d. Developed quality
magnifying lenses to discover that "animalcules" or microscopic life exists all
around us e. Developed the Theory of Biogenesis
a. Belief in a preconceived idea
5. Which of the following is NOT a process in the scientific method? a. Belief in a
preconceived idea b. Formulation of a hypothesis c. Systematic observation d.
Laboratory experimentation e. Development of a theory
b. A specific microbe is the cause of a specific disease.
6. Koch's postulates determine that a. Microbes are found on dust particles. b. A
specific microbe is the cause of a specific disease. c. Life-forms can only arise from
nonliving matter. d. A specific microbe should be classified in a specific kingdom.
e. Microbes can clean up toxic spills.
b. Phylum
8. Which of the following is a taxon that contains all the other taxa listed? a.
Species b. Phylum c. Class d. Genus e. Family
,a. Arthrospira platensis
9. Which of the following is the correct way to write this species' name? a.
Arthrospira platensis b. Arthrospira platensis c. ARTHROSPIRA PLATENSIS d.
Arthrospira platensis e. Arthrospira Platensis
c. Phospholipids / hydrophobic lipid tail
10. Cellular membranes are composed of _____ and more specifically the
_________ portion of this molecule orients itself together and away from the
water-based solvent to form a semi-permeable barrier for the cell. a.
Carbohydrates / hydrophobic lipid tail b. Carbohydrates / hydrophobic lipid tail c.
Phospholipids / hydrophobic lipid tail d. Phospholipids / hydrophobic phosphate
head e. Phospholipids / charged phosphate head
b. The type of bond an atom can form is dictated by the valence electrons that
can be lost or shared.
11. What is TRUE concerning chemical bonds? a. The neutrons determine the
electrostatic attraction between different elements. b. The type of bond an atom
can form is dictated by the valence electrons that can be lost or shared. c.
Elements with filled outer orbitals are highly reactive. d. Elements with partially
filled outer orbitals must gain protons. e. Answers B and C are correct.
, e. Amino acids.
12. The building blocks of a protein are a. Nucleotides. b. Glycerol and fatty acids.
c. Monosaccharides. d. Phosphate, glycerol, fatty acids. e. Amino acids.
d. Nitrogenous bases / hydrogen bonds
13. The portion of DNA that carries the genetic information is the ______, which
bonds together with another strand of DNA using ______. a. Nitrogenous bases /
covalent bonds b. Deoxyribose sugar / hydrogen bonds c. Deoxyribose sugar /
covalent bonds d. Nitrogenous bases / hydrogen bonds e. Monosaccharides /
covalent bonds
a. DNA uses a deoxyribose sugar, RNA uses a ribose sugar
14. The main way that DNA differs from RNA is a. DNA uses a deoxyribose sugar,
RNA uses a ribose sugar b. DNA has a phosphate head group, RNA does not c.
Only RNA can have mutations d. Only RNA has nitrogenous bases e. Answers A, C,
and D are correct
e. Act as a semi-permeable barrier to the cell / phospholipids
15. The function of the cellular membrane is to _____ and it is primarily
composed of ____. a. Act as a biocatalyst / proteins b. Act as a biocatalyst /
a. Eukaryotes.
1. The microorganisms that have a nucleus are a. Eukaryotes. b. Decomposers. c.
Prokaryotes. d. Gram-positives. e. Archaea.
b. 3.5 billion
2. Fossil evidence suggests microorganisms arose around _______ years ago. a.
4.543 billion b. 3.5 billion c. 2.8 billion d. 1.8 billion e. 10 million
c. Viruses cannot replicate without a host cell.
3. Which of the following is a unique characteristic of viruses that distinguishes
them from the other major groups of microorganisms? a. Viruses are the only
microbe that causes human diseases. b. Viruses lack genetic information. c.
Viruses cannot replicate without a host cell. d. Viruses always have a cell
envelope. e. Viruses contain ribosomes.
d. Developed quality magnifying lenses to discover that "animalcules" or
microscopic life exists all around us
,4. What was the main contribution of Antoine van Leeuwenhoek to the field of
microbiology? a. Known as the Father of Germ Theory b. Showed growth of
bacteria was due to spontaneous generation c. Pioneered the ideas that all
species of life have descended from a common ancestor d. Developed quality
magnifying lenses to discover that "animalcules" or microscopic life exists all
around us e. Developed the Theory of Biogenesis
a. Belief in a preconceived idea
5. Which of the following is NOT a process in the scientific method? a. Belief in a
preconceived idea b. Formulation of a hypothesis c. Systematic observation d.
Laboratory experimentation e. Development of a theory
b. A specific microbe is the cause of a specific disease.
6. Koch's postulates determine that a. Microbes are found on dust particles. b. A
specific microbe is the cause of a specific disease. c. Life-forms can only arise from
nonliving matter. d. A specific microbe should be classified in a specific kingdom.
e. Microbes can clean up toxic spills.
b. Phylum
8. Which of the following is a taxon that contains all the other taxa listed? a.
Species b. Phylum c. Class d. Genus e. Family
,a. Arthrospira platensis
9. Which of the following is the correct way to write this species' name? a.
Arthrospira platensis b. Arthrospira platensis c. ARTHROSPIRA PLATENSIS d.
Arthrospira platensis e. Arthrospira Platensis
c. Phospholipids / hydrophobic lipid tail
10. Cellular membranes are composed of _____ and more specifically the
_________ portion of this molecule orients itself together and away from the
water-based solvent to form a semi-permeable barrier for the cell. a.
Carbohydrates / hydrophobic lipid tail b. Carbohydrates / hydrophobic lipid tail c.
Phospholipids / hydrophobic lipid tail d. Phospholipids / hydrophobic phosphate
head e. Phospholipids / charged phosphate head
b. The type of bond an atom can form is dictated by the valence electrons that
can be lost or shared.
11. What is TRUE concerning chemical bonds? a. The neutrons determine the
electrostatic attraction between different elements. b. The type of bond an atom
can form is dictated by the valence electrons that can be lost or shared. c.
Elements with filled outer orbitals are highly reactive. d. Elements with partially
filled outer orbitals must gain protons. e. Answers B and C are correct.
, e. Amino acids.
12. The building blocks of a protein are a. Nucleotides. b. Glycerol and fatty acids.
c. Monosaccharides. d. Phosphate, glycerol, fatty acids. e. Amino acids.
d. Nitrogenous bases / hydrogen bonds
13. The portion of DNA that carries the genetic information is the ______, which
bonds together with another strand of DNA using ______. a. Nitrogenous bases /
covalent bonds b. Deoxyribose sugar / hydrogen bonds c. Deoxyribose sugar /
covalent bonds d. Nitrogenous bases / hydrogen bonds e. Monosaccharides /
covalent bonds
a. DNA uses a deoxyribose sugar, RNA uses a ribose sugar
14. The main way that DNA differs from RNA is a. DNA uses a deoxyribose sugar,
RNA uses a ribose sugar b. DNA has a phosphate head group, RNA does not c.
Only RNA can have mutations d. Only RNA has nitrogenous bases e. Answers A, C,
and D are correct
e. Act as a semi-permeable barrier to the cell / phospholipids
15. The function of the cellular membrane is to _____ and it is primarily
composed of ____. a. Act as a biocatalyst / proteins b. Act as a biocatalyst /
