This number is the Number of Protons + Number of Neutrons and is located on the top left hand side of the atomic symbol while this number represents the Number of Protons in the Nucleus
Atomic mass, atomic number
200
When 2 atoms share electrons in such a way that each atom has a complete outer orbital
What is a Covalent Bond
200
The polysaccharide cellulose is found where?
Plant cell walls
200
This energy carrier in cells is known as ATP which stands for
Adenosine Triphosphate
200
Part 1: When talking about lipids ______ are usually of plant origin while _____ are usually of animal origin
Part 2: When talking about Carbs plants store glucose as _____ while animals store glucose as _______
1. Oils, fats
2. Starch, glycogen
200
The pH scale indicates the acidity or alkalinity of a solution.
Scale ranges from 0 – 14.
A pH below 7 is _____ [H+] > [OH-]
A pH above 7 is _____ [OH-] > [H+]
A pH of 7 is _____ [H+] = [OH-]
Acidic, Basic, Neutral
300
_______ are substances that release hydrogen ions (H+) when they dissociate in water. They contain a higher concentration of H+ than OH-. _______ are substances that either take up hydrogen (H+) ions or release hydrogen ions (OH+) They contain a higher concentration of OH- than H+
Acids, Bases
300
Phosphates can be found in
A. DNA
B. Fatty Acids
C. Glucose
D. Both A & B
A. DNA
300
Keratin makes up hair, nails and collagen which lends support to ligaments, tendons and skin. These are some of the many functions of
Proteins
300
There are how many pairs of chromosomes in DNA?
What is 23
400
Polymers composed of these amino acid monomers which are also sometimes ________ that help speed up chemical reactions
What are proteins, enzymes
400
Which one of these elements is not commonly found in living organisms
A. Hydrogen
B. Nitrogen
C. Calcium
D. Nitrogen
C. Calcium
400
There are 4 different types of bases in DNA. A,T,G,C. What do they stand for?
Adenine, Thymine, Guanine, Cytosine
400
Without this bond, most of earth's water would be steam and life would not exist. But this bond allows water to be liquid at temperatures found on earth's surface
Hydrogen Bond
400
Only how many naturally occurring elements serve as the building blocks of all matter?
92
500
Part 1: What do DNA and RNA stand for?
Part 2: What is the difference between the 2?
1. Deoxyribonucleic acid Ribonucleic acid
2. DNA is double stranded and stores genetic information in the cell and in the organism RNA is single stranded and is formed by complementary base pairing with 1 DNA strand
500
Monomer of DNA & RNA consisting of a 5-carbon sugar bonded to a nitrogen base and a phosphate group
What is a nucleotide
500
Part 1: Na and Cl stand for _____ & ________
Part 2: What is the process when they come together and an electron is transferred from one outer shell to the next to make them both complete?
1. Sodium & Chloride
2. Ionic Bonding
500
Part 1: Definition of a calorie
Part 2: Definition of buffer
1. The amount of heat energy needed to raise the temperature of 1 gram of water 1 degree C
2. Substance or group of substances that tend to resist pH changes of a solution, thus stabilizing its relative acidity and basicity
500
2 by 2. Which bases in DNA pair with eachother to form the double helix