WorksheetsBiology Chapter 2 Review
Total questions: 14
Worksheet time: 5mins
Which of the following is not a smaller part of an atom?
neutron
Ion
proton
electron
Which of the following is true about enzymes?
They are catalysts
They are large molecules
They lower the activation energy of a reaction
all of these
A substance that decreases the activity of an enzyme is a(n)
substrate
catalyst
inhibitor
reducer
Organic compounds all contain the element
hydrogen
nitrogen
carbon
oxygen
The main purpose of carbohydrates for living things is for
storage
fuel
information
body coverings
Lipids include
unsaturated and saturated fats
sugars
amino acids
nucleotids
What are proteins made of?
simple sugars
nucleotides
amino acids
R groups
Which of the following is not a part of a nucleotide?
R group
phosphate
sugar
base
Chemistry is the study of matter and the changes it experiences
True
False
The most significant element for living things is oxygen
True
False
The physical stuff that makes up the universe
Matter
Molecule
Atom
Element
The smallest individual part of an element
Element
Molecule
Atom
Base
A pure substance made of only one kind of atom
Compound
Molecule
Acid
Element
A pure substance made of two or more chemically combined elements
Base
Compound
Matter
Entropy
