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

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