The Nature of Matter
Which subatomic particle is not contained in the nucleus?
Why is a water molecule V-shaped?
Due to polarity.
Starch is a polysaccharide found in which type of organisms?
Plants.
What is the term for the compounds produced by a chemical reaction?
Products.
What type of bond gives water many of its unique properties?
Hydrogen bonds.
The number of neutrons.
Water bugs help to demonstrate what property of water?
Cohesion.
What is the primary difference between saturated and unsaturated fatty acids?
An enzyme is an example of a what?
Catalyst.
What is the difference between an element's elemental and mass number?
Elemental number refers to the number of protons, while the atomic mass number refers to the combined number of protons and electrons.
What is the difference between an element and a compound?
A compound is made of two or more elements.
The straw water level example from class displays what properties of water?
Adhesion and Cohesion.
What is the primary job of nucleic acids?
To store and transmit genetic information.
What is an example of an organism sourcing energy from its environment?
Which of these two substances which of these three substances are considered acidic. Lemon juice, bleach, and milk.
Lemon juice and milk.
What is the term for a positively charged ion?
Cation
What are the two components of a solution?
Solute and solvent.
Hemoglobin is an example of which level of protein structure?
Quarternary.
What is the primary difference between spontaneous and non-spontaneous chemical reactions?
Spontaneous chemical reactions release energy and do not require outside energy. Non-spontaneous reactions absorb energy and require an outside energy source.
What two components of an amino acids come together in a peptide bond?
Amino and Carboxyl group.
What is the difference between ionic and covalent bonds?
In ionic bonds, one or more electrons are transferred from one atom to another. In covalent, the electrons are shared.
Salad dressing is an example of what type of mixture?
What are the three components of a nucleotide?
5-Carbon sugar, phosphate group, nitrogenous base.
Name an example of a variable that can change the function/activity of an enzyme?
Temperature, pH, regulatory molecules.
Why is the enzyme-substrate complex often shown as a lock and key?
Enzymes are very specific and often only catalyze one chemical reaction. The enzyme and substrate fit together like a lock and key.