TEST BANK For Microbiology Fundamentals A Clinical
Approach, 4th Edition (Cowan, 2022), | Verified Chapters 1 -
22 Updated, Complete Newest Version
The enzyme _____ converts hydrogen peroxide formed during aerobic respiration to
water and oxygen - ANSWER:catalase
which term describes chemical substances such as carbon, hydrogen, and oxygen
that are required in large quantities by cells? - ANSWER:macronutrient
a microbes nutritional type (e.g., chemoheterotroph) is determined by its sources of
____ and ____ - ANSWER:carbon
energy
put the stages of binary fission in the correct order - ANSWER:1. cell wall, membrane
, and overall volume are enlarged; chromosomes are duplicated
2. septum begins to form and chromosomes are pulled to opposite ends of the ell;
components are randomly divided
3. septum is completely formed and the cell membrane begins to patch itself
4. daughter cells are divided
most organisms are neutrophiles, growing in habitats between pH ____ - ANSWER:6
and 8
micronutrients (zinc, manganese) that are required by cells in small amounts are
termed ____ elements - ANSWER:trace
which two of the following statements regarding heterotrophs are true? -
ANSWER:large organic molecules (like starch, a polymer of glucose) must be digested
before absorption
monosaccharides are generally good carbon sources for heterotrophs
____ phase follows inoculation and is when the population appears not to be
growing - ANSWER:lag
which of the following would move across the cell membrane by facilitated
diffusion? - ANSWER:glucose
which two of the following are transport functions of the cell membrane? -
ANSWER:import nutrients
export waste materials
what word is used to describe organisms which do NOT use oxygen in their cellular
respiration pathways? - ANSWER:anaerobic
, a(n) ____ is a microorganism that thrives under high hydrostatic pressure -
ANSWER:barophile
a ____ curve is a graphical representation of the change in population size over time
- ANSWER:growth
choose the two molecules that require sulfur atoms - ANSWER:cysteine
vitamin B1
put the following phases in order for a normal bacterial growth curve - ANSWER:lag
exponential
stationary
death
which of the following organisms does not utilize oxygen regardless of availability -
ANSWER:aerotolerant anaerobe
the engulfment of large particles into vesicles within a cell is called ____ -
ANSWER:phagocytosis
which two of the following best describe saprobes - ANSWER:heterotrophs
chemotrophs
an autotrophic organism that utilizes light for energy and carbon dioxide primarily as
a carbon source is termed a ____ - ANSWER:photoautotroph
a tapeworm living in the intestinal tract of an animal and deriving its nutrients from
that host would best be described as having a ____ relationship with that host -
ANSWER:parasitic
because they are unable to grow outside of a living host, the leprosy bacillus and the
syphilis spirochete are examples of ____ parasites - ANSWER:obligate
assuming the concentration of a solution is homogeneous, the movement of
molecules following the properties of diffusion is ____ - ANSWER:random
indicate the direction of movement of the molecules in active transport -
ANSWER:from left to right
any microbe that uses photosynthesis to feed is specifically referred to as a(n) ____ -
ANSWER:photoautotroph
identify all of the general macronutrients found in a cell - ANSWER:carbon
hydrogen
oxygen
Approach, 4th Edition (Cowan, 2022), | Verified Chapters 1 -
22 Updated, Complete Newest Version
The enzyme _____ converts hydrogen peroxide formed during aerobic respiration to
water and oxygen - ANSWER:catalase
which term describes chemical substances such as carbon, hydrogen, and oxygen
that are required in large quantities by cells? - ANSWER:macronutrient
a microbes nutritional type (e.g., chemoheterotroph) is determined by its sources of
____ and ____ - ANSWER:carbon
energy
put the stages of binary fission in the correct order - ANSWER:1. cell wall, membrane
, and overall volume are enlarged; chromosomes are duplicated
2. septum begins to form and chromosomes are pulled to opposite ends of the ell;
components are randomly divided
3. septum is completely formed and the cell membrane begins to patch itself
4. daughter cells are divided
most organisms are neutrophiles, growing in habitats between pH ____ - ANSWER:6
and 8
micronutrients (zinc, manganese) that are required by cells in small amounts are
termed ____ elements - ANSWER:trace
which two of the following statements regarding heterotrophs are true? -
ANSWER:large organic molecules (like starch, a polymer of glucose) must be digested
before absorption
monosaccharides are generally good carbon sources for heterotrophs
____ phase follows inoculation and is when the population appears not to be
growing - ANSWER:lag
which of the following would move across the cell membrane by facilitated
diffusion? - ANSWER:glucose
which two of the following are transport functions of the cell membrane? -
ANSWER:import nutrients
export waste materials
what word is used to describe organisms which do NOT use oxygen in their cellular
respiration pathways? - ANSWER:anaerobic
, a(n) ____ is a microorganism that thrives under high hydrostatic pressure -
ANSWER:barophile
a ____ curve is a graphical representation of the change in population size over time
- ANSWER:growth
choose the two molecules that require sulfur atoms - ANSWER:cysteine
vitamin B1
put the following phases in order for a normal bacterial growth curve - ANSWER:lag
exponential
stationary
death
which of the following organisms does not utilize oxygen regardless of availability -
ANSWER:aerotolerant anaerobe
the engulfment of large particles into vesicles within a cell is called ____ -
ANSWER:phagocytosis
which two of the following best describe saprobes - ANSWER:heterotrophs
chemotrophs
an autotrophic organism that utilizes light for energy and carbon dioxide primarily as
a carbon source is termed a ____ - ANSWER:photoautotroph
a tapeworm living in the intestinal tract of an animal and deriving its nutrients from
that host would best be described as having a ____ relationship with that host -
ANSWER:parasitic
because they are unable to grow outside of a living host, the leprosy bacillus and the
syphilis spirochete are examples of ____ parasites - ANSWER:obligate
assuming the concentration of a solution is homogeneous, the movement of
molecules following the properties of diffusion is ____ - ANSWER:random
indicate the direction of movement of the molecules in active transport -
ANSWER:from left to right
any microbe that uses photosynthesis to feed is specifically referred to as a(n) ____ -
ANSWER:photoautotroph
identify all of the general macronutrients found in a cell - ANSWER:carbon
hydrogen
oxygen
