Scientific Method
What does the "M" in MACTA stand for?
What is Make Observations?
A single-celled organism divides into two identical cells. This demonstrates which characteristic of life?
What is reproduction?
The acronym to remember cell theory is
What is BOP?
This structure surrounds all cells and controls what enters and leaves.
What is the cell membrane?
This type of transport does not require energy.
What is passive transport?
This part of MACTA involves forming an "if...then...because" statement.
What is Construct a Hypothesis?
This characteristic means responding to the environment, like pupils shrinking in bright light.
What is sensitivity?
What invention made the discovery of cells possible?
What is the microscope?
These cells have no nucleus and are found in bacteria.
What are prokaryotic cells?
In a hypotonic solution, water moves _______ the cell.
What is into?
In an experiment to test how different types of music affect heart rate, what are the independent and dependent variables?
What is: the independent variable is the type of music, and the dependent variable is the heart rate?
The “E” in MRS.GREN stands for this function that removes waste from the body.
What is excretion?
This part of cell theory states that new cells come from ________.
What are pre-existing cells?
This organelle is only found in plant cells and uses sunlight to make food.
What is the chloroplast?
This process moves molecules from low to high concentration using ATP.
What is active transport?
This is final step is not in the MACTA acronym, but is arguably the most important - where results are shown to others.
Communication
What is the definition of respiration?
The process that cells use to break down sugar and release energy, usually in the form of ATP?
One of the three parts of cell theory states: all living things are made of ______.
What are cells?
These cells have membrane-bound organelles and include plant and animal cells.
What are eukaryotic cells?
In osmosis, water moves toward the side of the membrane with more of this substance.
What is solute?
What is the difference between an independent and a dependent variable?
The independent variable is what you change, and the dependent variable is what you measure?
Name all seven characteristics of life represented by MRS.GREN.
What are Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, and Nutrition?
What does the acronym BOP stand for in relation to cell theory?
What is Basic Unit of Life, One or More Cells, Pre-existing Cells?
This organelle is large in plant cells, small in animal cells, and stores water and nutrients.
What is the vacuole?
This process describes the movement of any substance from an area of high concentration to an area of low concentration—no membrane needed.
What is diffusion?