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

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