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CP Biology Cell Test
Terms in this set (38)
The organelle that contains the DNA and controls the processes of the cell
internal transport system of the cell, modifies proteins, and synthesizes lipids
thin, flexible barrier around a cell; regulates what enters and leaves the cell
cell organelle filled with enzymes needed to break down certain materials in the cell
storage structures for food, water, minerals, waste
organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy
Powerhouse of the cell, organelle that is the site of ATP (energy) production
stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum
strong wall outside a plant cell's plasma membrane that protects the cell and maintains its shape
A unicellular organism that lacks a nucleus and membrane bound organelles (bacteria)
cell with a nucleus and membrane bound organelles; animals, plants, protists, fungi
a cell containing ribosomes, endoplasmic reticulum, Golgi body, a vacuole, a nucleus, lysosomes, a cell membrane, mitochondria, and cytoplasm
a cell containing endoplasmic reticulum, a nucleus, Golgi body, a vacuole, a cell wall, a cell membrane, chloroplasts, cytoplasm, mitochondria, ribosomes
What are cell membranes made out of?
Which part of the cell membrane is polar?
What is diffusion?
the passive movement of molecules down a chemical (concentration) gradient from an area of higher concentration to an area of lower concentration, passive
What is osmosis?
The diffusion of water across a selectively permeable membrane. (high to low) passive
What is active transport?
uses the concentration gradient produced by a primary pump and couples another molecule with it, active
What is semi-permeable mean?
characteristic of the cell membrane where some things can pass through and other can't (CO2 and O2 can pass through easily)
the movement of materials through a cell membrane using energy
The movement of materials through a cell membrane without using energy
an active transport mechanism where Na and K are exchanged
the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell, active
movement of specific molecules across cell membranes through protein channels, passive
What is a hypotonic solution and what happens to the cell placed in it?
Hypotonic is when the solution is less concentrated on the outside of the cell, so water goes in and the cells expand
What is a hypertonic solution and what happens to the cell placed in it?
Hypotonic is when the solution is has a high concentration on the outside of the cell, so water goes out and the cells shrink
What are some structures that are found in eukaryotic cells, but not in bacterial cells?
Golgi, ER, mitochondria, chloroplast,
Do bacterial cells have a cell wall, cell membrane or both?
What cell organelles do both bacteria and eukaryotes have in common?
Cell membrane, ribosomes,
What is a triglyceride?
3 fatty acids and a glycerol
What is a saturated fat?
Saturated with hydrogen, single bonds, solid at room temperature
What is an unsaturated fat?
Has one or more double bonds, liquid at room temperature
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