Energy in Cells
What is the main energy molecule in cells?
A. DNA
B. ATP
C. Glucose
D. Protein
B. ATP
What is metabolism?
A. The movement of bacteria
B. The shape of a cell
C. Chemical reactions in a cell
D. The process of cell division only
C. Chemical reactions in a cell.
What is growth media used for?
A. Killing every microorganism
B. Measuring cell size
C. Growing microorganisms
D. Removing nutrients
C. Growing microorganisms
What sugar do cells break down for energy?
A. Glucose
B. Water
C. Oxygen
D. Protein
A. Glucose
How do bacteria usually reproduce?
A. Binary fission
B. Budding like plants
C. Photosynthesis
D. Meiosis
A. Binary Fission
What does selective media do?
A. Allows certain microbes to grow
B. Makes all microbes the same color
C. Prevents all microbial growth
D. Measures ATP levels
A. Allows certain microbes to grow
Where does glycolysis happen?
A. Nucleus
B. Mitochondria
C. Cytoplasm
D. Cell membrane
C. Cytoplasm
What do bacteria need to grow?
A. Only sunlight
B. Nutrients, water, and suitable conditions
C. Only oxygen
D. Only sugar
B. Nutrients, water, and suitable conditions
What does differential media do?
A. Kills all bacteria
B. Shows differences between microorganisms
C. Stops bacterial reproduction
D. Removes oxygen from cells
B. Shows differences between microorganisms
What gas is needed for aerobic respiration?
A. Nitrogen
B. Carbon dioxide
C. Hydrogen
D. Oxygen
D. Oxygen
During which phase do bacteria grow and divide most rapidly?
A. Lag phase
B. Death phase
C. Stationary phase
D. Log phase
D. Log phase
What type of bacteria does MacConkey agar select for?
A. Gram-positive bacteria
B. Viruses
C. Fungi only
D. Gram-negative bacteria
D. Gram-negative bacteria
What are the three main stages of cellular respiration?
A. Mitosis, meiosis, and glycolysis
B. Glycolysis, Krebs cycle, and electron transport chain
C. Fermentation, photosynthesis, and mitosis
D. Diffusion, osmosis, and respiration
B. Glycolysis, Krebs cycle, and electron transport chain
What are the four phases of bacterial growth?
A. Start, middle, end, and rest
B. Lag, log, stationary, and death
C. Glycolysis, Krebs, electron transport, and fermentation
D. Growth, division, repair, and sleep
B. Lag, log, stationary, and death
What color are lactose-fermenting colonies on MacConkey agar?
A. Blue or green
B. Black
C. Pink or red
D. Clear or white
C. Pink or red