Organelles
What is the powerhouse of the cell, responsible for producing ATP?
Mitochondria
What molecule makes up the majority of a membrane?
phospholipids
In which type of transport do substances move from high to low concentration?
Passive
What is the term for the molecule that binds the receptor?
Ligand
What is the potential of distilled water?
0 bars
What organelle is responsible for protein synthesis?
Ribosomes
What is the term that describes how phospholipids have a hydrophobic and hydrophilic region?
amphipathic
What type of transport moves water across the cell membrane?
Osmosis
What type of enzyme facilitates the phosphorylation of molecules during a signaling pathway?
Kinase
What type of microscope would you use to view a living ameoba?
light microscope
Which organelle contains digestive enzymes to break down cellular waste and foreign substances?
Lysosome
What molecule moderates against the impact of extreme temperatures?
cholesterol
What is the type of active transport in which large particles are engulfed by the membrane?
Endocytosis
What type of cell signaling occurs between cells that are near each other?
Paracrine
endoplasmic reticulum
What is the function of the golgi apparatus?
Packages and modifies proteins
What should be maximized in a cell membrane to facilitate nutrient uptake and waste removal?
surface area
What is the term for a plant cell that is in a hypotonic solution?
Turgid
Non-protein molecules such as cAMP which amplify the signal in a pathway are called what?
second messengers
An animal cell that shrivels in solution is _______ to that solution.
Hypotonic
Nucelus, mitochondria, chloroplast
Describe a molecule that could easily pass through the cell membrane without energy.
small, uncharged, nonpolar
A cell with a solute potential = -5 and a pressure potential = 3 bars is placed in a beaker with a solute potential = -4 bars. What direction will water move?
Into the beaker
Which subunit exchanges GDP for GTP when a G protein is activated?
alpha
In which organelle would you find a high concentration of catalase?
peroxisome