4/27/25, 11:14
AM
BIO 229 EXAM 2 EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED GRADED A++
Leave the first rating
Save
Terms in this set (303)
the process by which chemical substances (nutrients)
what is nutrition in are acquired from the
microbiology ? environment, used for microorganism
cellular/metabolic activities and needs for
growth
why does essential must be provided to an organism in order for it to be
nutrient important to able to metabolize.
microorganism ?
what are the two Macronutrient and micro nutrient
categories for essential
nutrient ?
required in large quantities; play principal
What is a macronutrient? roles in cell structure and metabolism
example: proteins, carbohydrates
- once they are required they are broken down into
their monomeric units
required in small amounts; involved in enzyme
What is a micronutrient function and maintenance of protein
or trace element?
structure
example: manganese, zinc, nickel or depending on
the microorganism
• Increase in cell number
what is microbial • Method of growth: Binary fission
https://quizlet.com/626982254/bio-229-exam-2- 1/
flash-cards/ 6
, 4/27/25, 11:14
AM
growth? • Typical growth rates: 20-30 minutes
Most bacteria grow by binary fission, daughter cells
the process of
______meaning they
each split into
______cells.
-A form of asexual reproduction in which the parent
What is binary fission? divides into two equal parts.
- every 20-30 it will continue to be divided.
this is considered logarithmic growth because
the population size doubles
What is a CFU (colony -Its a single bacteria that continue to replicates every
forming unit)? 20- 30 minutes for 48hrs
1) cell replicates its DNA, duplicated
chromosomes attach to the cell membrane-
30 minutes section
2) cell elongates, pushes 2 identical chromosomes
Describe the (4) steps in apart. -30 minutes section
binary fission. 3) contractile ring forms between two
chromosomes, new cytoplasmic membrane
forms as ring contracts, cell wall septum
folds inward across the midline
4) cells either separate or stay attached,
arrangement of cells depends on planes of
division
For each generation 2
the population of
cells increases by a
factor of__________.
Nƒ = (Ni)2^n
Nƒ is a total number of
Rate of Population
cells in the population. Ni
Growth
is starting a number of
cells.
Exponent n denotes
generation time. 2^n
https://quizlet.com/626982254/bio-229-exam-2- 2/
flash-cards/ 6
AM
BIO 229 EXAM 2 EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED GRADED A++
Leave the first rating
Save
Terms in this set (303)
the process by which chemical substances (nutrients)
what is nutrition in are acquired from the
microbiology ? environment, used for microorganism
cellular/metabolic activities and needs for
growth
why does essential must be provided to an organism in order for it to be
nutrient important to able to metabolize.
microorganism ?
what are the two Macronutrient and micro nutrient
categories for essential
nutrient ?
required in large quantities; play principal
What is a macronutrient? roles in cell structure and metabolism
example: proteins, carbohydrates
- once they are required they are broken down into
their monomeric units
required in small amounts; involved in enzyme
What is a micronutrient function and maintenance of protein
or trace element?
structure
example: manganese, zinc, nickel or depending on
the microorganism
• Increase in cell number
what is microbial • Method of growth: Binary fission
https://quizlet.com/626982254/bio-229-exam-2- 1/
flash-cards/ 6
, 4/27/25, 11:14
AM
growth? • Typical growth rates: 20-30 minutes
Most bacteria grow by binary fission, daughter cells
the process of
______meaning they
each split into
______cells.
-A form of asexual reproduction in which the parent
What is binary fission? divides into two equal parts.
- every 20-30 it will continue to be divided.
this is considered logarithmic growth because
the population size doubles
What is a CFU (colony -Its a single bacteria that continue to replicates every
forming unit)? 20- 30 minutes for 48hrs
1) cell replicates its DNA, duplicated
chromosomes attach to the cell membrane-
30 minutes section
2) cell elongates, pushes 2 identical chromosomes
Describe the (4) steps in apart. -30 minutes section
binary fission. 3) contractile ring forms between two
chromosomes, new cytoplasmic membrane
forms as ring contracts, cell wall septum
folds inward across the midline
4) cells either separate or stay attached,
arrangement of cells depends on planes of
division
For each generation 2
the population of
cells increases by a
factor of__________.
Nƒ = (Ni)2^n
Nƒ is a total number of
Rate of Population
cells in the population. Ni
Growth
is starting a number of
cells.
Exponent n denotes
generation time. 2^n
https://quizlet.com/626982254/bio-229-exam-2- 2/
flash-cards/ 6
