reactions
What reaction uses sunlight to make food?
Photosynthesis
What molecule is C6H12O6?
Glucose
Digestive
What is the protective outer layer on plant cells?
Cell wall
What is the term for a stable normal state in an organism?
Homeostasis
What reaction breaks down food to release usable energy?
Cellular respiration
What molecule is inhaled with the respiratory system?
Oxygen
Circulatory system
What is the organelle that lets materials in and out of all cells?
Cell membrane
Cells
What gas is required for photosynthesis?
Carbon dioxide
What gas molecule is produced during photosynthesis?
What system is responsible for responding to stimuli?
Nervous
What organelle transfers light energy into chemical energy?
Chloroplast
What is an organism like bacteria called when it is only made of one cell working alone?
Unicellular
What molecule is produced during photosynthesis and then broken down during respiration to release energy?
Best answer: glucose
Also acceptable: oxygen
What are the atoms in a molecule of CO2?
Carbon and Oxygen
Rank the following in order from simplest to most complex:
Respiratory system
Epithelial tissue
Lung
Epithelial cell
Simplest: epithelial cell
Tissue
Lung
Most complex: Respiratory system
What molecule is stored in the nucleus and helps to control the cell?
DNA
What does a plant need for photosynthesis?
carbon dioxide and water
What are the two carbon based molecules in the photosynthesis and cellular respiration reactions?
Carbon dioxide and glucose
What pigment in a plant leaf is responsible for the trapping solar energy?
Chlorophyll
What are the main organs in the following organ systems?
Circulatory, respiratory, nervous
heart, lungs, brain
What is the term for a group of cells that work together in an organism?
Tissue
What do we call a group of tissues with similar structures that work together to complete a job?
Organ