A cell
Which organelle produces ATP
Mitochondria
What are the three macromolecules that a cell membrane is made of?
phospholipids, carbohydrates, proteins
______ transport is a movement of substances across the cell membrane without energy
Passive transport is a movement of substances across the cell membrane without energy
What is the difference between osmosis and diffusion?
Osmosis is the diffusion of water from high to low concentration; a type of passive transport.
Diffusion if the movement of solutes from high to low concentration; a type of passive transport.
What are the 2 major groups of cells?
Prokaryotes and Eukaryotes
What is the small dense spherical structure in the nucleus of a cell that produces ribosomes?
The Nucleolus
Identify J in the diagram of the cell membrane
channel protein, embedded protein, integral protein
_________ transport is a type of movement across the cell membrane from low to high concentration.
Active transport is a type of movement across the cell membrane from low to high concentration.
Potatoes weigh 5.5g before and 4.0g after. What is the % change?
-27%
Which organelle(s) do all eukaryotes and prokaryotes have in common?
Cell membrane, Cytoplasm, Ribosomes
Where is the site of protein synthesis?
Ribosome
What is bulk movement of solid food molecules into the cell?
phagocytosis
Insulin leaves insulin-secreting cells by the process of __________________
exocytosis
Identify this process
Which organelle contains digestive enzymes?
Lysosome
What are the cylindrical organelles near the nucleus of an animal cell that is involved in cell division?
Centrioles
**DAILY DOUBLE**
What technique was used to show that there are proteins that span the cell membrane?
freeze-fracture method
Dialysis tubing bags were placed in a solution. Which bags were hypertonic to the solution at the start?
A & B
This cell is in a _____________ solution
Hypertonic
What organelles are only found in animal cells that are not found in plant cells?
centrioles, lysosomes
What produces H2O2 through the breakdown of fatty acids?
Peroxisome
In the cell membrane diagram below identify letter B and explain it's function
Cholesterol - helps with membrane fluidity
Which type of molecules will diffuse through a cell membrane most easily? Be specific - 3 characteristics
small, nonpolar, uncharged
In the U-Tube diagram , if the membrane is permeable to only water, which way will it go?
toward side B