Cell and Molecular Bio Test 1 Part 2

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Can you name the Cell and Molecular Bio Test 1 Part 2?

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Question/DefinitionAnswer/Term
A flattened extension of a cell, by which it moves over or adheres to a surface
Force x distance
Faces outside world
Dynein that is used for cilliary and flagellar motion
Interacts with hormone; determines ligand specificity
Small molecules that convey the message from the receptor to the cell interior.
Allow specific solutes to cross membrane
Any of various pathologic changes seen in living organisms in response to excessive levels of cytotoxic oxidants and free radicals in the environment.
Break protein chains through hydrolysis (breaking apart water)
Determines G protein specificity
Accelerates the movement of a solute down it’s electrochemical gradient
Made of actin and actin-binding proteins, responsible for cell shape, contraction, motility, and cellular transport
Allow very specific ions to cross membranes by creating a channel/tunnel through the cell membrane
Stabilizes microtubules, blocking cell division
Turn things off
Protein changes its shape in a way to where it no longer functions
Shuttle that promotes nucleotide exchange
What enzymes act upon
Molecular motor that takes cargo to center of cell
Makes branch points on actin filaments and nucleates new filament growth.
Oxidizes proteins in a more harmful and irreversible way
Twitching
Proteins that exchange solutes
Double membrane around the nucleus
Length one step of a motor makes
There is a limit as to how fast an enzyme can go; one substrate move in and products move out before the next substrate moves in
Incorrect tracking of the eye
An assay with kinesin or dynein and microtubules
Basic subunit for filaments
What is IP3?
Type of drugs that treat cancer
A motor is called this if it can walk continuously along a filament without falling off
Monomer buffer
Any device that changes some measurable quantity into another measurable quantity
Plus-end directed, toward the periphery
New growth off of the main actin filament
Question/DefinitionAnswer/Term
Growth by the addition of monomers
Energy bearing compound
Form the tonofilaments of epithelia, found in skin and hair
Other proteins or molecules that are necessary to keep the enzyme activated
What does cAMP activate?
Cause unknown in terms of ALS
Amount of time spent generating force
Binds the relative cargo
One event makes tons of second messengers
Load bearing filaments
Actin filament stabilizer; leads to liver failure if ingested.
Soda straw tubes, made out of tubulins, used for intracellular transport. Very stiff, grow from the + end
Breaking apart water (hydrolysis) in the process of breaking protein chains
Notable example of MTOC
Portion that is connected to filament
Too many copies of genes
A substance can be called this if you can put one wavelength in and get a different wavelength out
Control where microtubules form and they bypass the time for nucleation.
The beginning of chemical or physical changes at discrete points in a system. Helps the actin filaments start growing.
The folded bits in the mitochondria
Stabilize nerve axons by maintaining girth
What SOD converts superoxide into
The filling in the mitochondria
Key activator of Arp2/3 that is itself activated by G protein coupled receptors.
Where a specific kind of RNA (ribosomal) is being made
Causes disassembly of microtubules
Handles Oxidative stress in the body.
Normal though harmful byproduct of oxidative metabolism
Speed of movement
Away from the middle
Proteins that transport solutes together
Copying DNA into RNA
Something that binds to a receptor
Faces inside world of body
Altered vision and confusion
Microtubule based motors that are minus-end directed
Question/DefinitionAnswer/Term
Elimination of toxins
What is Ca2+?
Binds and hydrolyzes GTP
Turn things on
Two different proteins stuck together
A temporary protrusion of the surface of an ameboid cell for movement and feeding
A large chunk of the microtubule disassembles rapidly
Microtubule based motors that are mostly plus-end directed
A system that’s based in cytoskeleton of neurons that is responsible for transporting materials such as organelles, vesicles… etc.
Dynein that is used for cargo transport
Exchanges three sodium ions OUT and two potassium ions IN utilizing one ATP (ATP releases a P, becomes ADP, causes pump to open)
Protein constituents know how to orient themselves to create the cytoskeleton via long filaments
Lend lateral strength to tissues, stable, they are not polar
Protein that forms filaments for muscle contraction
Molecular motor that takes cargo to periphery of cell
Top of “hump” in energy diagram of reaction
Allows a reaction to go faster
Monomer concentration [m] at which the rate of monomer addition equals the rate of monomer loss.
Maximum amount of force a motor can generate
Acts on ATP to strip off two phosphates turning it into cAMP
Using RNA as a template for making protein
Stacking by alternating between alpha and beta tubulins
Molecular sized apparatus that converts energy to work
What is cAMP?
Feeling of motion (spinning)
An assay with actin over myosin
Same enzyme doing basically the same reaction but in a different way
Inherited
Shut down mitosis
Rate of using ATP
Relates time to the mean squared distance traveled
“Hump” to get over on its way to lower energy
Due to multiple copies of a gene the effect of a gene can be enhanced
What is DAG?
Connecting a hormone to a very specific effector

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Created Feb 13, 2012ReportNominate
Tags:definition, cell, molecular, term, test