What is a cell membrane made of

What are some functions of the cell membrane

The cell membrane repels and attracts water through the membrane at the same time

What are the 2 processes in transport?

All of these do not requires energy except for

All of these are cell membrane proteins except

Is a

process by which an ion or molecule passes from an area of high concentration to an area of low

concentration

What is this

When organisms adjust internally to external changes in environments it's called

In this process, molecules can

diffuse through the help of channels and

carriers which shield the molecules from

the hydrophobic core.

A TYPE OF SIMPLE DIFFUSION IN WHICH WATER MOLECULES DIFFUSE

THROUGH A SELECTIVELY PERMEABLE OR SEMIPERMEABLE MEMBRANE FROM

AREAS OF HIGHER WATER CONCENTRATION TO AREAS OF LOWER WATER

CONCENTRATION.

THE ABILITY OF A SOLUTION TO MAKE WATER

MOVE INTO OR OUT OF THE CELLS

REQUIRES ENERGY IN THE FORM

OF ATP

What are the 3 types of solutions

THE

CONCENTRATION OF SOLUTE IS LOWER

OUTSIDE THE CELL THAN INSIDE THE CELL

THE

CONCENTRATION OF SOLUTE IS HIGHER

OUTSIDE THE CELL THAN INSIDE THE CELL

CAUSES AN INCREASE IN PRESSURE INSIDE THE

CELL: CALLED TURGOR PRESSURE (PLANTS) OR

OSMOTIC PRESSURE (ANIMALS)

These are an example of what type of solution

These are an example of what type of solution

These are an example of what type of solution

CAUSES A DROP IN TURGOR OR OSMOTIC

PRESSURE: CALLED PLASMOLYSIS

THE

CONCENTRATION OF SOLUTE

INSIDE AND OUTSIDE OF THE CELL

IS THE SAME

A PROCESS OF TAKING MATERIAL

INTO THE CELL BY MEANS OF INFOLDINGS, OR

POCKETS, OF THE CELL MEMBRANE (USUALLY

PUTTING THEM INTO A VACUOLE)

Also known as "Cell Eating", the intake of solids

Also known as "Cell Drinking", the intake of small droplets of fluid

A

PROCESS IN WHICH THE MEMBRANE OF

THE VACUOLE SURROUNDING THE

MATERIAL FUSES WITH THE CELL

MEMBRANE, FORCING THE CONTENTS

OUT OF THE CELL.

IS A FORM OF PINOCYTOSIS. IT IS A

SPECIFIC PROCESS FOR ACQUIRING

BULK MOLECULES IN THE CELL.

Are biological catalysts that speed up the rate of biochemical reactions

Active sites tend to have a ___ due to tertiary structure of protein

A change of shape in protein does not affect the shape of the active site nor the function of the enzyme

The active site can be divided into 2 parts;

An

enzyme without a cofactor is

called an

An

enzyme with a cofactor is

called an

Is the non protein molecule which carries out chemical reactions that cannot be performed by the standard 20 amino acids

These are co-factors tightly bound to an enzyme at all times

FAD (flavin adenine

dinucleotide) is a prosthetic group present in many enzymes

___ binds to

an enzyme only

during catalysis

NAD+

is an

uncommon

coenzyme.

The reactant in a bio chemical reaction is called a

When a substrate binds to an enzyme it forms an

A change in the shape of an enzyme's active site

___ enzymes are synthesized and retained in the cell for the use of cell itself

___ enzymes are synthesized in the cell but secreted from the cell to work externally

Enzymes are highly specific in their action, and each can only catalyze one kind of substrate

Is defined as the number of substrate molecules transformed per minute by one enzyme molecule

High temperatures are harmful for enzymes

Which of the following statements is false?

Is referred to as tyrosinase

Inorganic substances like zinc, iron and vitamins are unnecessary for proper enzymatic activity

Are chemicals that resemble an enzyme's normal substrate and compete with it for the active site

Inhibitors that do not enter the active site, but bind to another part of the

enzyme causing the enzyme to change its shape, which in turn alters

active site

Which enzyme class matches this reaction type

Which enzyme class matches this reaction type

Which enzyme class matches this reaction type

Which enzyme class matches this reaction type

Which enzyme class matches this reaction type

Which enzyme class matches this reaction type

Is an enzyme that catalyzes the

transfer of electrons from one molecule to another

This group of enzymes

usually utilizes

NADP or NAD+ as cofactors.

Are localized in peroxisomes, and catalyzes the

reduction of hydrogen peroxide

add hydroxyl groups to its substrates

add hydroxyl groups to its substrates

incorporate oxygen from molecular oxygen into organic

substrates

catalyze reductions, in most cases they can act

like an oxidases

an oxido-reductase that catalyses the oxidation of

glucose to hydrogen peroxide and D-gluconolactone

is found in honey and acts as a natural preservative. GOx at the surface of the honey reduces atmospheric O, to hydrogen peroxide (H2O2) which acts as an antimicrobial barrier

In this process, the glucose is first oxidized by glucose oxidase to produce gluconate and hydrogen peroxide

catalyzes the decomposition of hydrogen peroxide to water and oxygen

It is a very important enzyme in protecting the cell from hydrogen peroxide

has one of the highest turnover numbers of all enzymes; one molecule of this can convert approximately 5 million molecules of hydrogen peroxide to water and oxygen each second.

causes the rapid polymerization of quinones to produce black, brown or red pigments (polyphenols) that cause fruit browning

Enzyme mainly present in plastid (chlroplast)

Catalase was not noticed until 1818 when ___ , who discovered H2O2 (hydrogen peroxide), suggested its breakdown is caused by an unknown substance

In 1900, ___ was the first to give it the name catalase

In 1937 catalase from beef liver was crystallised by ___

Useful for enzymatic determination of absorbic acid

Used to remove toxic phenol (pollutant)