Mitosis without cytokinesis results in:
A. One cell with two nuclei
B. Two identical cells
C. Two haploid cells
D. Half DNA
B. Two identical cells
Which cell type is specialized for carrying oxygen?
A. Neuron
B. Red blood cell
C. Muscle cell
D. Skin cell
B. Red blood cell
ATP is directly required for which process?
A. Diffusion
B. Osmosis
C. Active transport
D. Facilitated diffusion
C. Active transport
During photosynthesis, carbon in glucose comes from:
A. The atmosphere
B. Soil
C. Carbon dioxide
D. Water
C. Carbon dioxide
Uncontrolled division is caused by mutation in:
A. Cell Cycle Regulation
B. Photosynthesis genes
C. Osmosis genes
D. Ribosomes
A. Cell Cycle Regulation
DNA is copied during which phase?
A. G1
B. Cytokinesis
C. M phase
D. S phase
D. S phase
What structure controls what enters and leaves the cell?
A. Nucleus
B. Cell wall
C. Cell membrane
D. Ribosome
C. Cell membrane
Food coloring spreading in water is an example of:
A. Active transport
B. Endocytosis
C. Osmosis
D. Diffusion
D. Diffusion
What is the main role of chlorophyll?
A. Store glucose
B. Absorb light energy
C. Break down ATP
D. Transport oxygen
B. Absorb light energy
Malignant tumors:
A. Grow slowly
B. Do not spread
C. Can metastasize
D. Have no mutations
C. Can metastasize
Sister chromatids separate during:
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
C. Anaphase
Spindle fiber failure would cause:
A. Identical cells
B. Unequal chromosomes
C. Faster division
D. More ATP
B. Unequal chromosomes
A freshwater cell placed in salt water will:
A. Swell
B. Shrink
C. Stay the same
D. Divide
B. Shrink
The main energy molecule of cells is:
A. Glucose
B. DNA
C. ATP
D. CO2
C. ATP
Damage to a gene that stops the cell cycle results in:
A. No division
B. Faster differentiation
C. Uncontrolled division
D. No replication
C. Uncontrolled division
Daughter cells are identical because:
A. Crossing over occurs
B. DNA replicates first
C. Chromosomes reduce
D. Mutations are corrected
B. DNA replicates first
Different cell types function differently because:
A. DNA removed
B. Chromosomes differ
C. Different genes are expressed
D. Constant mutation
C. Different genes are expressed
The membrane maintains homeostasis by:
A. Making ATP
B. Controlling transport
C. Storing DNA
D. Dividing cells
B. Controlling transport
Energy organelles in plant cells:
A. Ribosome & ER
B. Chloroplast & mitochondrion
C. Lysosome & nucleus
D. Cell wall & membrane
B. Chloroplast & mitochondrion
RBCs bursting in distilled water is caused by:
A. Active transport
B. Diffusion
C. Endocytosis
D. Osmosis
D. Osmosis
Mitosis contributes to growth because:
A. Cell number increases
B. Cells enlarge
C. DNA changes
D. Gametes form
A. Cell number increases
Stem cells specialize due to:
A. Binary fission
B. Crossing over
C. DNA replication
D. Gene Expression
D. Gene Expression
Active transport example:
A. Protein Pump moving ions
B. Water moving
C. Oxygen entering
D. Sugar dissolving
A. Protein Pump moving ions
Cellular respiration:
A. Needs sunlight
B. Makes glucose
C. Releases ATP in mitochondria
D. Only in plants
C. Releases ATP in mitochondria
A hypotonic solution causes a plant cell to:
A. Shrink
B. Increase turgor pressure
C. Lose salt
D. Dissolve
B. Increase turgor pressure