What is an atom that is no longer balanced and has a positive or negative charge to it?
Molecule
Ion
Ionic bond
Isotope
What is the attractive force between two ions of opposite charges. An example is Sodium Chloride
Ionic bond
Covalent Bond
Compound
Molecule
How many electrons can be held on the first electron shell?
4
18
2
8
How many electrons can be held on the second electron shell?
8
2
6
10
If Fluorine has an atomic number of 9 then what is the number of valence electrons it has on its outer orbit?
2
9
7
16
What is a bond between atoms that involves sharing of electron pairs. Most organic compounds form this bond
Covalent Bond
Ionic bond
Mixture
Solution
Everything – whether it is a rock, frog, or flower – is made of this substance.
Molecules
Elements
Compounds
Carbon
What are the building blocks of carbohydrates? Select all that apply.
Oxygen
Hydrogen
Nitrogen
Carbon
What is a type of carbohydrate found in potatoes
Cellulose
Starch
Glycogen
Amino Acids
What are the basic units of carbohydrates?
Monosaccharides
Polysacchairdes
Disaccharides
Starch
What are the complex units of carbohydrates? Select all that apply.
Starch
Disaccharides
Monnosaccharides
Polysaccharides
Which of these is a saturated fat
Corn
Peanut Butter
Butter
Milk
What two elements are lipids mostly composed of
Hydrogen and Oxygen
Hydrogen and Carbon
Carbon and Oxygen
Oxygen and Nitrogen
In lipids, if every carbon in the chain is bonded to another carbon by only single bonds then the fatty acid is _______.
Saturated
Unsaturated
A protein
An amino acid
What macro molecule provides protective covering, enery storage, or insulation in the body?
Proteins
Carbohydrates
Lipids
Nucleic Acids
Proteins help carry ________ in our circulatory system.
Nucleic Acids
Oxygen
Hydrogen
Carbohydrates
Enzymes are involved in nearly all ________ processes.
Metabolic
Bodily
Chemical
Reaction
Unlike lipids and carbohydrates, proteins contain ________.
Oxygen
Hydrogen
Nitrogen
Sulfur
Where does the substrate bind to the surface of the enzyme?
The active site
The amino acid
The catalyse
It doesn't
What shape does DNA form?
A circle
A double helix
A twist
A loop
What macromolecule is made up of sugar, phosphate and a nitrogen base?
Proteins
Carbohydrates
Nucleic Acids
Lipids
Nucleic acids are important because they store ________ information in the form of a code
Protein
Cellular
Compound
Molecular
The smaller sub units that make up nucleic acids are ________
Amino Acids
Starches
Enzymes
Nucleotides
__________ are the four different nitrogen bases, which may be part of any nucleic acid, and contribute to our genetic code.
A, T, C, G
A, Q, R, L
C, L, P, N
C, H, O, N
Which element is the back bone of most macromolecules?
Oxygen
Carbon
Hydrogen
Nitrogen
Nucleic acids, carbohydrates, lipids, and proteins are the four biomolecules necessary for living things.
True
False
Mono ______ ; Poly _______
One sugar ; two sugars
One protein ; two proteins
Two sugars ; one sugar
Two proteins ; one protein
Complex carbohydrates are a type of __________
Polysaccharide
Monosaccharide
Disaccharide
Trisaccharide
Amylase is the enzyme in saliva that breaks down _________.
Starch
Proteins
Lipids
Amino acids
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