Questions And 100% Correct Answers
2025-2026 Updated.
Growth - Answer Increase in the number of cells
Binary Fission - Answer Example of Intercalary Growth in prokaryotes
Examples of Polar Growth in Prokaryotes - Answer Simple Budding
Budding by hyphae
Cell division in stalked bacteria
Polar growth without differentiation of cell size
DNA replication
Formation of DIvisome
Cell elongation - Answer Steps for cell division
1 - Answer How many origins of replication for bacteria
1,2,or3 - Answer How many origins or replication for archaea
Many - Answer How many origins of replication for eukaryotes
Min Proteins - Answer What proteins ensure that divisome forms at cell center?
FtsZ Proteins - Answer What proteins form ring where cell begins division?
FtsA Proteins - Answer What proteins help hold FtsZ ring to cytoplasmic membrane?
MreB Proteins - Answer What proteins form filamentous spiraled bands around inside of cell
under the cytoplasmic membrane to direct new cell wall to be made at certain locations?
FtsI Proteins - Answer What proteins (penicillin binding proteins) are transpeptidases that
insert new peptidoglycan into expanding cell wall?
, FtsK Proteins - Answer What proteins are DNA translocases that move DNA during cell
division?
Autolysins - Answer Creates small openings in existing cell wall
Autolysis - Answer May occur if there is an error in inserting new cell wall material
Bactoprenol - Answer Hydrophobic LIpid alcohol that binds to peptidoglycan precursor and
facilitates transport through the cytoplasmic membrane
Transpeptidation - Answer Peptide bond formation between pentapeptide of peptidoglycan
precursor and tetrapeptide of an existing peptidoglycan unit
Lag
Exponential
Stationary
Death - Answer 4 Growth Phases
Generation time - Answer Time required for one cell to form two cells
Exponential growth - Answer Growth pattern where number of cells doubles over a regular
time interval
Semilogarithmic Graphs - Answer Exponential growth can be represented and is useful for
estimating generation times
Louis Pasteur - Answer He disproved spontaneous generation which is the hypothesis that
living organisms can originate from nonliving matter
Pasteurization - Answer Reduces microbial load
Kills most pathogens and inhibits growth of spoilage microorganisms
Used on liquids and wet foods
Sterilization - Answer Killing of all organisms
Heat
Radiation