Cell Structure
What is the powerhouse of an animal cell called?
Nucleus.
Where is genetic information stored?
DNA
Which organelle are proteins located in?
Cell membrane
What is the entrance point of a cell membrane called?
Membrane channel
What is the shape of a mitochondria?
Bean or oval shaped
What is the organelle that allows nutrients to pass in and out of the cell?
Cell Membrane
Where is DNA stored in prokaryote cells?
Nucleoid
What are proteins described as in the lipid bilayer?
Floating.
What is the main difference between passive and active transport?
Active requires ATP, passive does not.
What is the shape of Golgi bodies?
A network of membranes that are curved and stacked in groups of 4-10.
What is a 'Lysosome' structure?
Sacs filled with digestive enzymes.
What is the main energy carrying molecule used directly in cell processes? (full name)
Adenosine Triphosphate (ATP)
What is the function of the transport protein?
Using passive or active transport to allow specific substances to move across the membrane
What is the process of diffusion?
Net movement of small molecules from a region of HIGH concentration to LOW concentration to a point of equilibrium.
What does a red blood cell look like?
bi-concave, fizzy lifesaver
What do most human red blood cells not have?
Nucleus.
What are the base pairs in DNA?
adenine (A), thymine (T), guanine (G), cytosine (C)
What is a glycoprotein made up of?
Protein molecule and carbohydrate molecule.
What is the process of Osmosis?
The movement of water molecules from a HIGH concentration to LOW concentration until a point of equilibrium.
What 4 items can you see through a light microscope?
Thickness of a human hair, size of a red blood cell, size of a bacterium and size of a virus particle.
What two animal cell organelles are not present in plant cells?
Centrioles and lysosomes
What does DNA stand for?
What process is a receptor protein part of?
Cellular communication.
What are two factors that can increase the rate of diffusion?
1. Heat
2. Particle amount
How big is a typical plant cell?
10-100 micrometres