Cells
Part of an animal cell that permits entry of molecules into the cell
What is the cell membrane?
The four main kinds of organic molecules in the cell
What are carbohydrates, proteins, lipids, and nucleic acids?
Part of a nephron that allows the most substances through it
What is the proximal convoluted tubule?
Process by which oxygen passes through a cell membrane
What is diffusion?
Type of protein molecule that catalyzes cellular reactions
What is an enzyme?
The levels of organization in the body
What is cells--tissues--organs--organ systems?
Heart, veins, arteries, arterioles, capillaries
What are five parts of the cardiovascular system?
Attach this to an operator and transcription will not take place
What is a repressor?
Cell part that forms proteins using amino acids
What is a ribosome?
Two factors that affect the action of enzymes
What are pH and temperature?
Nutrient digested by pepsinogen and hydrochloric acid
What are proteins?
Adding acetyl groups to these encourages transcription
What are histones?
Cell part that carries out the electron transport chain
What is the mitochondrion?
The first three levels of protein structure
What are primary, secondary, and tertiary?
Hormone produced by male gonads
What is testosterone?
Changing an enzyme's shape by attaching a molecule to it
What is allosteric regulation?
Heart part that controls the pulse rate
What is the SA node?
Getting a 3:1 ratio of traits in offspring
What is a dihybrid cross?