WorksheetsBio 1 Ch 6 TEST
Total questions: 42
Worksheet time: 21mins
Anything that takes up space and has mass...
Matter
Protons
Isotopes
Elements
Protons have...
Positive charge
Negative charge
Neutral charge
More neutrons that protons
Electrons have...
Positive charge
Negative charge
Neutral charge
More neutrons that protons
The overall charge of a stable atom is...
Zero
Equal to the number of protons
Equal to the number of electrons
Equal to the number of neutrons
The horizontal rows of the periodic table are known as...
Periods
Groups
Ions
Isotopes
The vertical columns of the periodic table are known as...
Periods
Groups
Ions
Isotopes
If you have an 2 atoms of the same element that have a different number of neutrons, they are...
Isotopes
Ions
Elements
Periods
What is directly used when forming chemical bonds?
Electrons
Protons
Neutrons
Isotopes
The first energy level of an atom needs __ atoms while every other level afterward needs __.
2;8
8;2
8;8
8;16
A bond in which electrons are shared...
Covalent
Ionic
Periodic
Hydrogen
A bond in which electrons are donated and accepted...
Covalent
Ionic
Periodic
Hydrogen
Water is formed from...
Covalent bonds
Ionic bonds
Periodic bonds
Hydrogen bonds
An atom with electric charge...
Ion
Isotope
Element
Nonpolar
An attraction between the electron "clouds" of two atoms is known as...
Van der waals
Ionic
Covalent
Hydrogen
True or false: Van Der Waals forces are stronger than ionic or covalent bonds.
True
False
A process in which atoms or groups of atoms are reorganized into different substances.
Chemical Reaction
Isotopes
Van der waals force
Polarization
The reactants are the...
Starting substances
Substances formed
Independent variables
Dependent variables
The difference between an element and a compound is...
A compound can be broken down
An element can be broken down
An element generally has more protons than a compound
A compound can hold a charge
The law of conservation of matter states...
Matter can not be created or destroyed
Matter can not be converted into other forms
Physical and chemical changes do not occur with converted matter
The world is always moving towards becoming more disordered.
The minimum amount of energy needed for reactants to form products in a chemical reaction...
Activation Energy
Enzyme
Potential Energy
Kinetic Energy
What is used to lower activation energy in biological processes?
Enzyme
Ionic Bonds
Covalent Bonds
Van der waals forces
An enzyme is a biological...
Catalyst
Substrate
Reactant
Product
The substrate binds to the enzyme on the...
Active site
Enzyme site
Substrate site
Reaction site
After the enzyme and substrate have binded, the place where it binded changes shape and forms the...
Enzyme-substrate complex
Active site
Activation energy
Chemical bond
The unequal distribution of electrons in water molecules make water a...
Polar molecule
Nonpolar molecule
Ionic compound
Substrate
A weak interaction between hydrogen atoms and and other atoms is known as...
Hydrogen bonding
Covalent bonding
Ionic bonding
Van der waals force
Homogenous mixtures are ones that have...
Uniform composition
Distinct components visible
Solute dissolved in a solvent
Solvent dissolved in a solute
Another name for a homogenous mixture would be a...
Solution
Solvent
Solute
Heterogenous mixture
Substances that release hydrogen ions when dissolved in water...
Acid
Base
Enzyme
Substrate
Substances that release hydroxide ions when dissolved in water would be known as...
Acids
Bases
Enzyme
Substrate
pH is a measure of...
Hydrogen ion concentration
Hydroxide ion concentration
Number of electrons
Electronegativity
A solution with a pH of 12 is a...
Basic solution
Acidic solution
Neutral solution
Polar solution
A solution with a pH of 4 is a...
Basic solution
Acidic solution
Neutral solution
Polar solution
Organic compounds are all composed of...
Carbon
Chlorine
Oxygen
Silicon
Polymers are made up of...
Monomers
Macromolecules
Electrons
Ionic bonds
The monomers of carbohydrates are known as...
Polymers
Monosaccharides
Proteins
Nucleic Acids
Two monosaccharides put together are known as...
Dissacharrides
Polysaccharrides
Proteins
Lipids
Which of the following is a polysaccharride?
Sucrose
Lactose
Glycogen
Glucose
The primary function of Lipids is...
Energy storage
Provide structural support
Prevent the plasma membrane from becoming too fluid.
Transcribe DNA
Saturated fats are ones that have...
Only single bonds in the carbon chain
Double bonds in the carbon chain
Proteins
Covalent bonds
What makes proteins different from one another...
Amino group
Carboxyl group
Variable group
Glucose
Which of the following is NOT a nucleic acid?
DNA
RNA
ATP
Glucose
