26 Questions
Water is the universal ______
solvent
Osmosis is the movement of ______
water
Diffusion is the movement of a solute from a high to a low ______
concentration
We live in an isotonic solution where there is a similar concentration of solute inside and outside of the ______
cell
In a hypertonic solution, there is a high extracellular ______
solute
Glucose binds and transporter ratchets, opening to the inside of the cell and releasing ______
glucose
Membranes form a boundary with a lipid bilayer, which serves as a ______ barrier
permeability
The cell and nucleus are examples of membrane-bound ______
compartments
Cells actively pump sodium out and potassium in through ______ processes
transport
Membranes have receptors that can detect signals, enabling ______ processes
communication
In multicellular organisms, cells physically hang onto each other for ______ interactions
cell-to-cell
The fluid mosaic model describes membranes as fluid due to lateral ______
diffusion
The most common secondary structure spanning a membrane is the alpha ______
helix
Phospholipids have hydrophobic fatty acid tails and polar ______ groups
head
Integral membrane proteins are tightly integrated and considered an integral part of the ______
membrane
Simple diffusion does not require any help from proteins and is driven by a ______ gradient
down
The glucose transporter allows glucose to flow down its gradient from ______ concentration to low concentration
high
If all transporters are occupied, you have reached ______
Vmax
The sodium-potassium pump creates a high sodium gradient ______ the cell and high potassium gradient inside the cell
outside of
The energy used to move glucose in by active transport in the Na+-Glucose Symporter comes from the delta G of ______ diffusion
sodium
Mitochondria have their own ______
DNA
The final electron acceptor in cellular respiration is ______
oxygen
Acetyl CoA formation involves converting pyruvate to ______
Acetyl CoA
In the Citric Acid Cycle, acetyl CoA delivers 2 carbon acetyl groups into the ______
process
In the Citric Acid Cycle, the enzyme aconitase converts citrate to ______
isocitrate
Succinate dehydrogenase converts 4-carbon succinate to ______
fumarate
Explore the various functions of cell membranes, such as acting as a boundary and permeability barrier, organizing compartments, facilitating transport processes, and detecting signals through receptors.
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