The Atom
Bonding
Water
Biochemistry
Miscellaneous
100
These are found in the space surrounding the nucleus
What is the electron
100
This substance is formed by the chemical joining of 2 or more different elements in definite amounts
What is a compound?
100
Water consists of this number of these types of atoms
What is 2 Hydrogen and 1 oxygen atom?
100
All molecules of life are based on this atom
What is carbon
100
Solutions that have more OH- than H+ ion
What is a base
200
Particles that are smaller than an atom are called this
What is subatomic particles
200
When electrons are shared, this type of bond is formed
What is a covalent bond?
200
This phenomenon of water allows water to move against the force of gravity
What is capillary action?
200
These are important parts of biological membranes and waterproof covering
What is a lipid
200
When salt is dissolved in water, water is this
What is the solvent
300
The three particles that make up atoms are
What is protons, neutrons, electrons?
300
This type of ion forms when an atom loses electrons
What is a positive ion or cation?
300
Oxygen has a partial negative charge and hydrogen has a partial positive charge, as a result water is this
What is polar
300
Polymers are to monomers as complex carbohydrates are to this
What is a monosaccharide
300
A mixture of water and living cells is called this
What is a suspension
400
These are atoms of the same element with the same number of protons and a different number of neutrons
What is an isotope
400
This type of electron is available to form bonds
What is a valence electron?
400
Cohesion is a direct result of this
What is hydrogen bonding?
400
The three parts of a nucleotide are:
What is a phosphate group, sugar, and nitrogenous base
400
This is added to a solution to maintain the pH
What is a buffer?
500
An atom contains 3 protons, 4 neutrons, and 3 electrons, its mass number is
What is 7?
500
This type of bond is formed when there is a transfer of electrons?
What is an ionic bond?
500
Ocean water is maintained in a small range of temperatures because of this property of water.
What is a high heat capacity?
500
Proteins have 4 levels of organization
What is the sequence (primary), a-helix or b-pleated sheets (secondary), polypeptide folding (tertiary), and multiple polypeptides (quaternary)
500
Enzymes work by lowering this
What is activation energy
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