Macromolecules
What is the monomer for nucleic acids?
nucleotides
What two things make up membranes?
lipids and proteins
What type of transport requires energy?
active transport
This organelles protects DNA from damage
nucleus
what molecule is broken down in glycolysis?
glucose
What type of lipid has double bonds?
unsaturated
What is the connection between cells that does not allow molecules to pass between them?
tight junction
What type of transport moves two molecules in opposite directions?
antiport
This organelle is the powerhouse of the cell
mitochondria
What are the committed steps of glycolysis?
1, 3, 10
What level of protein structure is required for function?
tertiary
Which type of lipid movement requires an enzyme?
flip-flop
What type of transport protein is always open?
transport channel
The function of this organelle is terminal glycosylation and protein packaging
golgi apparatus
What are the two types of regulation?
feedback and allosteric
Which carb cannot be broken down by humans?
cellulose
what is the model of the membrane called that explains how the lipids move?
fluid mosaic model
in passive diffusion, molecules move down their...
concentration gradient
What is the function of the smooth ER?
synthesizing lipids, phospholipids, and sterols
What type of metabolism is glycolysis?
catabolic
What type of bond links proteins together?
What type of membrane protein is ALWAYS extracellular?
GPI-anchored
Which type of transport requires a transporter, but does not require energy
facilitated diffusion
This type of cell does not have organelles
prokaryote
What enzyme is used for step 10 of glycolysis?
pyruvate kinase