ABIOREV (enzyme, water properties, wrong questions etc)

is hydrogen a metal or nonmetal?

nonmetal

In the statement "studying improves grades", the dependent variable is:

grades

Lipids are hydrophillic.

false

What type of action is need to move water from the root of the plant up to the leaves?

capillary

Plants use this to build cell walls

cellulose

What macromolecule provides support, transport, signaling, speeding up chemical reactions and controls cell growth?

protein

When water is attracted to a different substance

adhesion

Water is what type of molecule?

polar molecule

The energy needed to get a reaction started is the

activation energy

true or false: A polymer is a molecule made up of repeating units of identical compounds.

true

Substrate is another name for a _________, and is used when dealing with enzymes.

reactant

When water is attracted to water

cohesion

An equation with energy on the product side of the arrow is exothermic. true or false

true

The location where the substrate binds is called the:

active site

What type of bond does CO2 have?

covalent

waxes are an example of a:

lipid

Something that helps to speed up a reaction by lowering the amount of activation energy is called a

catalyst

Steroids are an example of a:

lipid

Hair, skin, and muscles are examples of a:

protein

(H2 + O2 → H2O) the products to the left of the arrow are called

reactants

The part of this picture where water is touching the straw shows an example of:

adhesion

true or false An equation with energy on the reactant side of the arrow is exothermic

false

In an ________________ reaction, heat is gained by the system.

endothermic

(H2 + O2 → H2O) the products to the right of the arrow are called

products

Three or more monosaccharides joined together is called a:

polysaccharide

Large molecules that are formed by joining smaller molecules together are called

macromolecules

A liquid has a pH of 9. It is a(n):

base

Which of the following is an ionic compound?

NaCl

Cellulose and chitin are examples of what macromolecule

carbohydrates

In an ________________ reaction, heat is lost from the system.

exothermic

Monosaccharides are an example of a:

carbohydrate

What type of bonds does water have?

hydrogen

What macromolecule is the key source of energy?

cabohydrates

What macromolecule is associated with monosaccharides, disaccharides, and polysaccharides?

carbohydrates

Which of these factors does NOT affect enzyme activity? light, temp, ph, enzyme shape

light

A peptide bond would be found in a:

protein

A liquid has a pH of 7. It is a(n):

neutral

In a reaction like the one above where there is less energy on the reactant side than the product side, energy has to be put into the reaction this is called

endothermic

What macromolecule is made up of long chains of nucleotides?

nucleic acids

true or false An equation with less energy on the product side of the arrow is exothermic. (gave off energy)

true

A liquid has a pH of 3. It is a(n):

acid

Is Cl a metal or a nonmetal?

nonmetal

DNA is an example of a:

nucleic acid

true or false An enzyme is used up in a chemical reaction.

false

a test of a if/then statement is

an experiment

What macromolecule is made up of nonpolar molecules that are not soluble or mostly insoluble in water?

lipid

true or false A polymer is a molecule made up of repeating units of identical compounds called monomers.

true