ATP
Why is ATP important to cells?
A. It stores genetic information
B. It provides energy for cell processes
C. It builds cell membranes
D. It removes waste
Why is ATP important to cells?
A. It stores genetic information
B. It provides energy for cell processes
C. It builds cell membranes
D. It removes waste
Photosynthesis takes place in the _____.
A. Mitochondria
B. Ribosome
C. Chloroplast
D. Nucleus
Photosynthesis takes place in the _____.
A. Mitochondria
B. Ribosome
C. Chloroplast
D. Nucleus
Cellular respiration mainly takes place in the _____.
A. Chloroplast
B. Ribosome
C. Mitochondria
D. Nucleus
Cellular respiration mainly takes place in the _____.
A. Chloroplast
B. Ribosome
C. Mitochondria
D. Nucleus
Fermentation occurs when oxygen is _____.
A. Present
B. Abundant
C. Limited or absent
D. Increasing
Fermentation occurs when oxygen is _____.
A. Present
B. Abundant
C. Limited or absent
D. Increasing
Which molecule is the main energy currency of the cell?
A. Glucose
B. DNA
C. ATP
D. Oxygen
Which molecule is the main energy currency of the cell?
A. Glucose
B. DNA
C. ATP
D. Oxygen
Which of the following is ATP NOT used for?
A. Active transport across the cell membrane
B. Muscle contraction
C. Building large molecules like proteins
D. Storing genetic information
Which of the following is ATP NOT used for?
A. Active transport across the cell membrane
B. Muscle contraction
C. Building large molecules like proteins
D. Storing genetic information
What are the two main stages of photosynthesis?
A. Glycolysis and Krebs cycle
B. Light reactions and Calvin cycle
C. Aerobic and anaerobic
D. ETC and fermentation
What are the two main stages of photosynthesis?
A. Glycolysis and Krebs cycle
B. Light reactions and Calvin cycle
C. Aerobic and anaerobic
D. ETC and fermentation
What is the main purpose of cellular respiration?
A. To make glucose
B. To store oxygen
C. To produce ATP
D. To remove waste
What is the main purpose of cellular respiration?
A. To make glucose
B. To store oxygen
C. To produce ATP
D. To remove waste
Which type of fermentation occurs in human muscle cells?
A. Alcoholic fermentation
B. Lactic acid fermentation
C. Photosynthesis
D. Aerobic respiration
Which type of fermentation occurs in human muscle cells?
A. Alcoholic fermentation
B. Lactic acid fermentation
C. Photosynthesis
D. Aerobic respiration
Where in the chloroplast can you find the energy-absorbing pigment called chlorophyll?
Thylakoids
Which are the three parts of an ATP molecule?
A. Glucose, oxygen, phosphate
B. Adenine, ribose, phosphates
C. Fatty acids, glycerol, phosphate
D. Carbon, hydrogen, oxygen
Which are the three parts of an ATP molecule?
A. Glucose, oxygen, phosphate
B. Adenine, ribose, phosphates
C. Fatty acids, glycerol, phosphate
D. Carbon, hydrogen, oxygen
Where do the light-dependent reactions occur?
A. Cytoplasm
B. Stroma
C. Thylakoid membranes
D. Mitochondria
Where do the light-dependent reactions occur?
A. Cytoplasm
B. Stroma
C. Thylakoid membranes
D. Mitochondria
Which organisms perform cellular respiration?
A. Only plants
B. Only animals
C. Only bacteria
D. All living organisms
Which organisms perform cellular respiration?
A. Only plants
B. Only animals
C. Only bacteria
D. All living organisms
Which organisms perform alcoholic fermentation?
A. Plants
B. Animals
C. Yeast and some bacteria
D. Humans only
Which organisms perform alcoholic fermentation?
A. Plants
B. Animals
C. Yeast and some bacteria
D. Humans only
What type of respiration occurs when oxygen is not present?
Anaerobic respiration
Where is the most energy stored in an ATP molecule?
A. In the adenine
B. In the ribose sugar
C. Between the phosphate groups
D. In the nucleus
Where is the most energy stored in an ATP molecule?
A. In the adenine
B. In the ribose sugar
C. Between the phosphate groups
D. In the nucleus
Which of the following is a product of photosynthesis?
A. Carbon dioxide
B. Water
C. Oxygen
D. ATP only
Which of the following is a product of photosynthesis?
A. Carbon dioxide
B. Water
C. Oxygen
D. ATP only
Which stage of cellular respiration does NOT require oxygen?
A. Krebs cycle
B. Electron transport chain
C. Glycolysis
D. Mitochondria stage
Which stage of cellular respiration does NOT require oxygen?
A. Krebs cycle
B. Electron transport chain
C. Glycolysis
D. Mitochondria stage
What are the products of alcoholic fermentation?
A. Lactic acid and ATP
B. Carbon dioxide and water
C. Alcohol and carbon dioxide
D. Oxygen and glucose
What are the products of alcoholic fermentation?
A. Lactic acid and ATP
B. Carbon dioxide and water
C. Alcohol and carbon dioxide
D. Oxygen and glucose
Which molecule carries high-energy electrons to the electron transport chain?
A. ATP
B. NADH
C. CO₂
D. Water
Which molecule carries high-energy electrons to the electron transport chain?
A. ATP
B. NADH
C. CO₂
D. Water
What happens when ATP becomes ADP?
A. Energy is stored
B. Energy is released
C. A sugar is added
D. Oxygen is used
What happens when ATP becomes ADP?
A. Energy is stored
B. Energy is released
C. A sugar is added
D. Oxygen is used
Which factor would most directly increase the rate of photosynthesis?
A. Lower temperature
B. Less carbon dioxide
C. Increased light intensity
D. No water
Which factor would most directly increase the rate of photosynthesis?
A. Lower temperature
B. Less carbon dioxide
C. Increased light intensity
D. No water
Which statement correctly compares photosynthesis and cellular respiration?
A. Both make glucose
B. Photosynthesis releases energy; respiration stores energy
C. Photosynthesis stores energy; respiration releases energy
D. Both require oxygen
Which statement correctly compares photosynthesis and cellular respiration?
A. Both make glucose
B. Photosynthesis releases energy; respiration stores energy
C. Photosynthesis stores energy; respiration releases energy
D. Both require oxygen
Why is fermentation important to cells?
A. It makes large amounts of ATP
B. It allows ATP production to continue without oxygen
C. It replaces cellular respiration
D. It produces glucose
Why is fermentation important to cells?
A. It makes large amounts of ATP
B. It allows ATP production to continue without oxygen
C. It replaces cellular respiration
D. It produces glucose
Which statement best describes homeostasis?
A. The process of cell division
B. The movement of molecules across membranes
C. Maintaining a stable internal environment
D. The storage of genetic information
Which statement best describes homeostasis?
A. The process of cell division
B. The movement of molecules across membranes
C. Maintaining a stable internal environment
D. The storage of genetic information