MBIO 3400 Exam 1 Chapters 1-4 with
complete solutions already passed
Who is responsible for building the first simple microscope? - correct answer ✔✔Antoni van
Leeuwenhoek
The invention of which instrument was most critical to the field of microbiology? - correct answer
✔✔microscope
________ contain a nucleus composed of genetic material surrounded by a membrane. - correct answer
✔✔Eukaryotes
Which of the following is NOT a form of locomotion used by protozoa? - correct answer ✔✔budding
Where are you most likely to find archaea? - correct answer ✔✔hot springs
The process of heating food, usually liquid, just enough to kill microbes without changing the food's
basic qualities is termed - correct answer ✔✔pasteurization.
Who among the following performed experiments discrediting spontaneous generation? - correct
answer ✔✔Louis Pasteur
The study of how our body fights infection from pathogenic microbes is called - correct answer
✔✔immunology
What is the process that uses living microorganisms to detoxify polluted environments? - correct answer
✔✔bioremediation
, Scientists have begun to manipulate genes in microbes, plants, and animals for practical applications.
What is this cutting-edge
technology called? - correct answer ✔✔genetic engineering
Genetic engineering could play a role in developing all of the following EXCEPT - correct answer
✔✔Genetic engineering could play a role in developing all of the following EXCEPT
The positively charged particles in the nucleus of an atom are called - correct answer ✔✔protons
The atomic number of an element is - correct answer ✔✔the number of protons
The atomic mass of an atom is the sum of the masses of the - correct answer ✔✔protons, neutrons, and
electrons.
The element carbon has 6 protons and 6 neutrons in its nucleus. Which of the following represents the
carbon-14 isotope? - correct answer ✔✔6 protons, 8 neutrons
How do atoms interact with one another to form chemical bonds? - correct answer ✔✔They share or
transfer valence electrons.
The more electronegative an atom, the greater the pull its nucleus exerts on - correct answer
✔✔electrons.
What drives bonding between atoms? - correct answer ✔✔completing electron valence shells
Electrolytes are critical for life for all of the following reasons EXCEPT which one? - correct answer ✔✔All
of the above are reasons why electrolytes are critical for life.
Which type of bond forms between a hydrogen atom of one water molecule and the oxygen atom of a
second water molecule? - correct answer ✔✔hydrogen bond
Which type of chemical bond forms between a cation and an anion? - correct answer ✔✔ionic bond
complete solutions already passed
Who is responsible for building the first simple microscope? - correct answer ✔✔Antoni van
Leeuwenhoek
The invention of which instrument was most critical to the field of microbiology? - correct answer
✔✔microscope
________ contain a nucleus composed of genetic material surrounded by a membrane. - correct answer
✔✔Eukaryotes
Which of the following is NOT a form of locomotion used by protozoa? - correct answer ✔✔budding
Where are you most likely to find archaea? - correct answer ✔✔hot springs
The process of heating food, usually liquid, just enough to kill microbes without changing the food's
basic qualities is termed - correct answer ✔✔pasteurization.
Who among the following performed experiments discrediting spontaneous generation? - correct
answer ✔✔Louis Pasteur
The study of how our body fights infection from pathogenic microbes is called - correct answer
✔✔immunology
What is the process that uses living microorganisms to detoxify polluted environments? - correct answer
✔✔bioremediation
, Scientists have begun to manipulate genes in microbes, plants, and animals for practical applications.
What is this cutting-edge
technology called? - correct answer ✔✔genetic engineering
Genetic engineering could play a role in developing all of the following EXCEPT - correct answer
✔✔Genetic engineering could play a role in developing all of the following EXCEPT
The positively charged particles in the nucleus of an atom are called - correct answer ✔✔protons
The atomic number of an element is - correct answer ✔✔the number of protons
The atomic mass of an atom is the sum of the masses of the - correct answer ✔✔protons, neutrons, and
electrons.
The element carbon has 6 protons and 6 neutrons in its nucleus. Which of the following represents the
carbon-14 isotope? - correct answer ✔✔6 protons, 8 neutrons
How do atoms interact with one another to form chemical bonds? - correct answer ✔✔They share or
transfer valence electrons.
The more electronegative an atom, the greater the pull its nucleus exerts on - correct answer
✔✔electrons.
What drives bonding between atoms? - correct answer ✔✔completing electron valence shells
Electrolytes are critical for life for all of the following reasons EXCEPT which one? - correct answer ✔✔All
of the above are reasons why electrolytes are critical for life.
Which type of bond forms between a hydrogen atom of one water molecule and the oxygen atom of a
second water molecule? - correct answer ✔✔hydrogen bond
Which type of chemical bond forms between a cation and an anion? - correct answer ✔✔ionic bond
