WorksheetsAP Bio - Unit 1 Quiz 2 (Topics 1-3)
Total questions: 43
Worksheet time: 37mins
Describes the forming of a bond between monomers with the removal of a water molecule.
Hydrolysis
Dehydration
Describes the breaking of a bond within a polymer using water.
Hydrolysis
Dehydration
Which type of chemical bond is formed when electrons are shared and is a stronger bond that is not easily broken?
Ionic bond
Covalent bond
Hydrogen bond
Van der Waals force
Which type of water property explains water's ability to stick to other material.
Cohesion
Surface tension
Adhesion
High specific heat
Water is...
Polar
Nonpolar
Each element is unique and different from other elements because of the number of protons in the nuclei of its atoms. Which of the following indicates the number of protons in an atom's nucleus?
atomic mass
atomic weight
atomic number
mass number
What is the correct lewis dot diagram for Boron?
What is a Lewis Dot Structure?
It shows all of the particles in the atom.
Contains protons and neutrons
Only shows the element symbol and it's outer most electron shell
Contains protons and electrons
What is the maximum number of electrons that can be found in the first shell (energy level)?
2
8
18
What is a drawing of an atom that shows ALL electrons?
Lewis Dot Model
Dalton Model
Thompson Model
Bohr Model
What functional group is shown in red?
carboxyl group
hydroxyl group
amino group
phosphate group
What functional group is shown in red?
carboxyl group
hydroxyl group
amino group
phosphate group
Which functional group is shown in red?
carboxyl group
hydroxyl group
amino group
phosphate group
Which functional group is shown?
carboxyl group
hydroxyl group
amino group
phosphate group
Which functional group is shown in red?
amino group
phosphate group
carbonyl group
sulfhydryl group
What functional group is shown in yellow?
amino group
phosphate group
carbonyl group
sulfhydryl group
carboxyl
methyl
carbonyl
amine
What is it called when a hydroxyl group (-OH) attaches to one subunit and a hydrogen atom (-H) attaches to another subunit to break down a molecule?
dehydration synthesis
hydrolysis
hydrophobic
hydrophillic
What is it called when a hydroxyl group (-OH) and a hydrogen atom (-H) are removed as two sub-units are joined?
dehydration synthesis
hydrolysis
hydrophobic
hydrophillic
Which statement describes an ionic bond?
Two atoms share a pair or electrons equally
Two atoms share a pair of electrons unequally
One atom gives up an electron to another, and oppositely charged atoms form a bond
One atom shares a proton equally
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?
Water is an acid
Water has a high heat capacity.
Water acts as a buffer.
Water is a versatile solvent.
The most important element that is the backbone of all biological molecules
Elements in the same group (column) have the same number of ...
Protons and neutrons
Valence electrons
Protons
Electron shells
According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.
2
4
6
8
10
The electrons in a nonpolar covalent molecule are shared...
Evenly
Unevenly
Electrons are not shared
None of the Above
Electronegativity _______ across a period and ______ down a group.
increases, increases
increases, decreases
decreases, increases
decreases, decreases
Which of these atoms is the most electronegative?
Bromine
Fluorine
Hydrogen
Potassium
Electronegativity refers to an atom's ability to _____________ shared electrons in a covalent bond.
attract
donate
What is a cation's charge?
positive
negative
neutral
depends on the element
What is an anion's charge?
positive
negative
neutral
depends on the element's charge
Which side of the water molecule has a slightly positive charge?
Oxygen
Hydrogen
It's all positive
It's all negative
Which side of the water molecule has a slightly negative charge?
It's all negative
It's all positive
Hydrogen
Oxygen
What is the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension
Malleability
Conductivity
Freezing Point
Capillary Action
In capillary action, which of these conditions must occur?
Cohesion > adhesion
Adhesion > cohesion
