W2-4 Quiz/Assignments

Match the following descriptions with the correct term.

Can be donated or accepted to form an ion:

Electron

Neutron

Proton

Atom

electron

Match the following descriptions with the correct term:

The number of this subatomic particle determines the isotope of an element

Electron

Neutron

Proton

Atom

neutron

Match the following descriptions with the correct term:

The number of this subatomic particle determines the distinctive properties of an element

Electron

Neutron

Proton

Atom

proton

Match the following descriptions with the correct term:

The smallest unit of an element that retains all the properties of that element.

Electron

Neutron

Proton

Atom

atom

What type of bond:

Formed from an attraction between an anion and a cation

ionic

covalent

hydrogen bonds.

Ionic

What type of bond:

Dissociate when placed in water

ionic

covalent

hydrogen bonds.

Ionic

What type of bond:

Formed from sharing of electrons

ionic

covalent

hydrogen bonds.

Covalent

What type of bond:

Include polar and nonpolar bonds

ionic

covalent

hydrogen bonds.

Covalent

What type of bond:

Formed from an attraction between the partial charges of two polar molecules

ionic

covalent

hydrogen bonds.

Hydrogen

What type of bond:

Responsible for properties of water such as cohesion and adhesion

ionic

covalent

hydrogen bonds.

Hydrogen

What type of bond

Can sometimes form hydrogen bonds with each other

polar covalent

nonpolar covalent bonds

polar covalent

What type of bond

Share electrons unequally

polar covalent

nonpolar covalent bonds

polar covalent

What type of bond

Have partial charges

polar covalent

nonpolar covalent bonds

polar covalent

What type of bond

Contain atoms with the same electronegativity

polar covalent

nonpolar covalent bonds

nonpolar covalent bonds

What type of bond

Share electrons equally

polar covalent

nonpolar covalent bonds

nonpolar covalent bonds

What type of bond

Are hydrophobic

polar covalent

nonpolar covalent bonds

nonpolar covalent bonds

Polymer→ Monomer

Lipid

Fatty acid

Polymer→ Monomer

Nucleic Acid

Adenosine triphosphate

Polymer→ Monomer

Protein

Amino acid

Polymer→ Monomer

Carbohydrate

Glucose

Select all of the following that are TRUE of biological macromolecules.

They are generally held together by ionic bonds

They are formed through hydrolysis reactions

An example of a biological macromolecule is an enzyme

They are organic molecules

An example of a biological macromolecule is an enzyme

They are organic molecules

Match with the type of reaction it depicts.

Transferring an electron from a neutral lithium atom to a neutral chlorine atom

Synthesis

Decomposition

Exchange

Oxidation-Reduction

Oxidation-Reduction

Match with the type of reaction it depicts.

Removing a phosphate molecule from creatine phosphate and adding it to ADP to form ATP

Synthesis

Decomposition

Exchange

Oxidation-Reduction

Exchange

Match with the type of reaction it depicts.

Hydrolysis which breaks a maltose molecule into two glucose molecules

Synthesis

Decomposition

Exchange

Oxidation-Reduction

Decomposition

Match with the type of reaction it depicts.

Adding a nucleotide to a growing DNA strand

Synthesis

Decomposition

Exchange

Oxidation-Reduction

Synthesis

Select all of the following that are true of the formation of adenosine triphosphate (ATP) from adenosine diphosphate (ADP)

It requires an input of energy

It is an endergonic reaction

During this reaction there is a net release of energy

It is an exergonic reaction

It requires an input of energy

It is an endergonic reaction

Is this Potential Energy or Kinetic Energy

The movement of ions flowing down their concentration gradient

Kinetic Energy

Is this Potential Energy or Kinetic Energy

The heat energy given off during transformation of energy

Kinetic Energy

Is this Potential Energy or Kinetic Energy

The energy within an ATP molecule between the 2nd and3rd phosphate group

Potential Energy

Is this Potential Energy or Kinetic Energy

The energy stored in a chemical gradient across the cell membrane

Potential Energy

Is this Passive Transport or Active Transport

Simple diffusion of oxygen down its concentration gradient.

Passive Transport

Is this Passive Transport or Active Transport

Transport of potassium ions through a voltage-gated ion channel.

Passive Transport

Is this Passive Transport or Active Transport

Water flowing through an aquaporin from an area of lower solute concentration to higher solute concentration.

Passive Transport

Is this Passive Transport or Active Transport

Facilitated diffusion of glucose using a carrier protein.

Passive Transport

Is this Passive Transport or Active Transport

Exchange of Na+ and K+ using a sodium-potassium pump.

Active Transport

Is this Passive Transport or Active Transport

Movement of H+ through an antiporter protein using kinetic energy from Na+ movement.

Active Transport

Is this Passive Transport or Active Transport

Pumping Ca2+ against its concentration gradient using ATP energy.

Active Transport

Is this Passive Transport or Active Transport

Phagocytosis of a microbe from the interstitial fluid.

Active Transport

Describes RBC in hypotonic or hypertonic soln

A cell in this solution would shrivel/crenate

Hypertonic Solution

Describes RBC in hypotonic or hypertonic soln

Solute concentration is higher in the interstitial fluid than intracellular fluid

Hypertonic Solution

Describes RBC in hypotonic or hypertonic soln

Water would flow out of the cell

Hypertonic Solution

Describes RBC in hypotonic or hypertonic soln

Water concentration is higher in the extracellular fluid than inside the cell

Hypotonic Solution

Describes RBC in hypotonic or hypertonic soln

Water would flow into the cell

Hypotonic Solution

Describes RBC in hypotonic or hypertonic soln

A cell in this solution would swell and possibly lyse

Hypotonic Solution

Organelle→ Function

Smooth Endoplasmic Reticulum

Membranous network important for lipid synthesis

Organelle→ Function

Lysosome

Membrane-bound organelle containing digestive enzymes

Organelle→ Function

Mitochondria

Site of ATP synthesis within the cell

Organelle→ Function

Ribosome

Workbench for protein synthesis

Organelle→ Function

Golgi Apparatus

Protein packaging center

Organelle→ Function

Rough Endoplasmic Reticulum

Membranous network studded with ribosomes

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