MPI U2 Quest Flashcards

1
Q

anything that takes up space

A

matter

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2
Q

basic unit of matter

A

atoms

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3
Q

A charged atom

A

ions

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4
Q

pure substance
that is made up of
only 1 type of atom

A

elements

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5
Q

atoms of the same element that have a different number of neutrons

A

isotopes

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6
Q

graphite

A

carbon

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7
Q

the chemical element of atomic number 1.

A

hydrogen

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8
Q

(biological catalysts)
are proteins
-ase

A

enzyme

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9
Q

the chemical element of atomic number 8 and the life-supporting component of the air.

A

oxygen

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10
Q

element needed to make protein

A

nitrogen

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11
Q

a substance formed when two or more elements are chemically bonded together

A

compounds

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12
Q

smallest part of a compound

A

molecules

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13
Q

“sharing of electrons” to form an electrical attraction

A

covalent bonds

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14
Q

process where molecules are broken apart by “adding” water.

A

hydrolysis

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15
Q

Water is the most important….

A

inorganic compounds

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16
Q

Made by organisms
Contain C H (Carbon and hydrogen)
often form HUGE macromolecules from long chains of smaller molecules.

A

organic compounds

17
Q

sugars and starches
Elements: C H O
ratio of elements H:O 2:1

A

carbohydrates

18
Q

Building blocks of carbohydrates, simple sugars

“ring pop”

A

monosaccharides

19
Q

two monosaccharides combined

A

disaccharides

20
Q

“many” (3 or more) monosaccharides linked together in a single chain.

used for storage and structural components of organisms.

A

polysaccharides

21
Q

used for energy storage in roots, stems, and leaves

A

starch

22
Q

branched polysaccharide used for energy storage in the liver of organisms

A

glycogen

23
Q

is made of polysaccharide chains

A

cellulose

24
Q

A sequence of amino acids (polypeptide chain) interact to form shapes, these shapes fold up to form three dimensional structures

Elements – CHON (nitrogen!)

Building blocks – amino acids (20 different ones)

A

proteins

25
Q

2 amino acids combined by dehydration synthesis.

A

dipeptide

26
Q

covalent bond that joins two amino acids together

A

peptide bond

27
Q

3 or more amino acids combined together

A

polypeptide

28
Q

build two types of proteins, structural and chemical

A

amino acids

29
Q

speed up or slow down a reaction, control rate of activity!

A

catalyst

30
Q

area of enzyme that touches the substrate, chemical reaction takes place here.

A

active site

31
Q

distortion of an enzyme molecule at high temperatures.

A

denaturation

32
Q
  1. Problem -?
  2. Research
  3. Hypothesis -.
A

Scientific Method

33
Q

the substance on which an enzyme acts

A

substrate