Show:
Cell Organelles
Cell Membrane
Basic Chemistry
Organic Molecules
Other
100
A type of organism whose cells contain organelles and a nucleus.
What are eukaryotes?
100
Diffusion of water across a selectively permeable membrane.
What is osmosis?
100
A basic unit of matter.
What is an atom?
100
A functional group made up of a nitrogen bonded to two hydrogen atoms.
What is an amino group?
100
The best source of scientific information.
What are peer reviewed journals?
200
The fluid in which a cell's organelles are immersed.
What is cytosol?
200
A solution that has a lower concentration of solutes.
What is hypotonic?
200
A type of bond in which atoms bond through the attraction of oppositely charged particles.
What is an ionic bond?
200
A polysaccharide that strengthens the exoskeleton of insects and arthropods.
What is chitin?
200
A substance that dissolves in a solvent.
What is a solute?
300
The organelle that detoxifies potentially harmful substances and produces lipids.
What is smooth endoplasmic reticulum?
300
The pressure that forces the cell membrane against the cell wall when a plant cell become full of water.
What is turgor pressure?
300
A radioisotope has an unstable nucleus due to the loss of ________ from the nucleus.
neutrons
300
A lipid that is made up of four linked carbon rings.
What is a steroid?
300
A reaction in which two molecules combine to produce a more complex molecule and water.
What is dehydration synthesis?
400
Are responsible for moving organelles from one area to another and also form cell extensions (like flagella).
What are microtubules?
400
Molecules that can pass through the cell membrane.
What are hydrophobic molecules and very small hydrophilic molecules?
400
Atoms or molecules that differ in the number of protons and electrons and have a charge.
What are ions?
400
A capsule of protein surrounded by a globule of lipid.
What is a lipoprotein?
400
A substance that lowers pH.
What is an acid?
500
A type of vesicle that breaks down organelles and returns them to the cytosol to be reused.
What are lysosomes?
500
A steroid that stabilizes the phospholipid bilayer and keeps it fluid.
What is cholesterol?
500
An atom of oxygen has an atomic number of 8 and a charge of -2. How many electrons does it have?
10 electrons
500
Fats are made of _______ + _________.
glycerol + fatty acids
500
The pH of human blood.
What is 7.3 - 7.5?