Science
Which mineral is most needed for proper bone development
Calcium and Phosphorus
What is an ion
An ion is a gained or lost electron formed by chemical bonding.
The stiff outer part of a plant cell is
Cell wall
Transports materials throughout the cell by a system of channels or canals
ER
Biotic factors
Living things that contribute to our ecosystem
Examples : deer, trees, plants
The unusable parts of food are called
Nutrients
How do elements combine to form compounds
By chemically bonding. Transfer electrons controlled by one atom to another or by sharing between atoms.
The structure controls the movement of materials into and out of the cell
Cell membrane
Modifies, processes, and packages proteins, lipids, and carbohydates into membrane bounded vesicles
Golgi Apparatus
Steps of scientific method
1. State the problem
2. Propose a hypothesis
3. Test the hypothesis
4. Make observations
5. State a conclusion
6. Repeat experiment
Sugars and starches are in the ______ food group
Carbohydrate
What are the 3 parts of cell theory
1. Cells are basic unit structures that come from other living things
2. Cells are basic unit functions that come from other living things.
3. All cells come from living things
Controls many of the fucntions of the cells organelles
Nucleus
Stores various materials including wastes, water, and food
Vacuole
Manipulated/Independant variable
The variable that changes in an experiment
What is an enzyme
An enzyme is a large, complex protein molecule that speeds up the chemical reaction
What is the difference between a multicellular and a unicellular organism
Unicellular organims are one-celled and multicellular organisms have multiple cells
Converts the energy stored in glucose into ATP
Mitochondria
Helps make food during photosynthesis
Chloroplast
responding/dependent variable
responds to the change in an experiment
What is the difference between an inorganic and an organic compound
An inorganic compound does not contain carbon and hydrogen. Organic compounds contain carbon and hydrogen.
State one way the microscope is used in the field of medicine
The microscope is used in the field of medicine by examining different diaseases found
Synthesizes proteins
Ribosomes
Abiotic factor
nonliving things that contribute to our ecosystem
examples : sunlight, water, oxygen
Control
remains the same