Negatively charged particle, little mass, live in "shells".
What is an electron?
100
the smallest subunit of a macromolecule
What is a monomer?
100
A selective double layer of lipids.
What is phospholipid bilayer?
100
The ER, vacuole, & golgi apparatus are all examples of...
What are organelles?
100
The process by which scientists question and evaluate their observations.
What is the Scientific Method?
200
Strongest bond
What is a covalent bond
200
The bonds that hold the monomers of proteins
What is a peptide bond
200
Process by which no energy is exerted to move objects across the cell membrane.
What is Passive Diffusion?
200
Free floating in the cytoplasm in both prokaryotic and eukaryotic cells. Function?
What are ribosomes
200
A solution of 0-6 on the pH scale
What is an acidic solution?
300
Atoms become ions when one electron from one atom is given to or taken from the other.
What is an ionic bond?
300
The three parts of a nucleotide
What are a sugar molecule, phosphate, nitrogenous base.
300
Macromolecules that serve as receptors on top of a surface protein on the plasma membrane
What are carbohydrates?
300
The three parts that make up the cytoskeleton.
What are microtubules, intermediate filaments, microfilaments. **What are their functions?**
300
The properties of water
What is cohesion, high heat capacity, good solvent, low density as a solid, surface tension?
400
Explain hydrogen bonding and its characteristics
The weakest bond between hydrogen and oxygen or nitrogen. Allows for easy building and breaking of molecules. Gives water its special properties. Allows DNA to be replicated easily and quickly.
400
Types of lipids.
What are fats, sterols, oils & waxes, phospholipid.
400
passive transport by which water diffuses across a membrane in order to equalize the concentration of water inside and outside of the cell.
What is Osmosis. ** types of solutions?**
400
The theory that prokaryotic bacteria cells were once swallowed by a eukaryotic cell resulting in a mutualistic (mutually beneficial) relationship.
What is endosymbiosis
400
Prokaryotic cells differ from Eukaryotic cells because....
What is prokaryotic cells have no nucleus (nucleoid instead), circular DNA, no organelles, smaller than euk. cells.
500
An oxygen atom with 8 protons, loses a neutron.
What is an isotope.
500
The addition of extra hydrogen atoms to a carbon chain of an unsaturated fat.
What is hydrogenation? **what is this fat called?**
500
Fluid Mosaic model
What is the model representing the fluidity of the plasma membrane due to cholesterol, and its mosaic structure consisting of receptor proteins, trasport proteins, carbs chains, & surface proteins.
500
The organelles a plant cell has but not eukaryotic cells.