What is a nucleus
What was the most important invention in developing the cell theory?
What is the microscope
Moving particles in and out of the cell is the primary function of which organelle?
What is the cell membrane
The movement of small gas molecules across a cell membrane usually happens through which mechanism?
What is diffusion
Oxygen molecules have a slightly ____________ charge, while hydrogen molecules have a slightly _____________ charge
Both prokaryotes and eukaryotes contain strains of DNA. Where is the DNA located in each of these cell types?
What is free-floating (prokaryotes) and in the nucleus (eukaryotes)
All living things are made of _________
What are cells
If a cell is unable to break down molecules (or waste) in its cytoplasm, which of its organelles has been damaged?
What are the lysosomes
Hypertonicity is when more water moves _______ of the cell than ______ the cell
out of, into
Which two properties of water allow it to move from the roots of a plant to its leaves?
What is cohesion and adhesion
What are animal, plant, protists, and fungal cells
All cells come from other _____________ _______
What are preexisting cells
Plants are autotrophs, meaning they make their own food. Their cells have a special organelle to make their own energy. Which organelle is this?
What are chloroplasts
Which mechanism uses a pump to transport materials in & out of cells?
What is active transport
Carbohydrates and lipids both store energy. However, they both store energy in different ways. What is the main difference between the two?
What is carbohydrates are short-term energy storage, while lipids are long-term energy storage
Other than DNA, what 2 organelles do both prokaryotes and eukaryotes contain?
What are cell membranes and cytoplasm
Cells are the basic structural and functional units of _________
What is life
Plant cells have a much larger vacuole than animal cells do. Why is this?
They need long term water/food/electrolyte storage because they produce their own energy, whereas animal cells do not
Endocytosis and exocytosis are examples of which mechanism?
What is active transport
What two molecules make up a water molecule?
What is hydrogen and oxygen
This deep sea sulfur-loving organism is classified as a prokaryote
What is archaea
All materials needed for cell functions must pass through the _____ _______________
What is the cell membrane
Muscle cells are important for body movement, therefore they require a lot of energy. Which organelle do muscle cells need a lot of?
What are mitochondria
A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant? (think tonicity)
They will become hypertonic (shrink) because water will move out of them
Bob is eating Cheerios for breakfast. The box tells him that it is a "good source of energy." When he reads the nutrition label, which macromolecule should have the highest number of grams per serving?
What are carbohydrates