Biology EOC Water Macromolecules

Biology EOC Review Biomolecules and Water

Multiple Choice

Which of the following is NOT an example of a food containing lipids?

• Banana

• Olive oil

• Margarine

• Peanut Butter

Multiple Choice

When will lipids in your body be used as fuel or energy?

• After carbohydrates have been burned

• After proteins and carbohydrates have been burned

• Before any other macromolecule is burned

• Lipids are the last to be used as fuel, after DNA

Multiple Choice

If you start running a mile, what macromolecule will be "burned" first for energy?

• Carbohydrates

• Proteins

• Lipids

• Nucleics

Multiple Choice

The shape and size of proteins determine the function of the protein

• True

• False

Multiple Choice

When amino acids are linked together they form a polypeptide, which is also called a

• carbohydrate

• lipid

• protein

• nucleic acid

Multiple Choice

Which group of biomolecules is involved in storing and transmitting genetic information?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Glucose, Lactose, and Sucrose all end in -ose. This means they are sugars...which group of biomolecules do they belong to?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

The breakdown of ________ supplies immediate, quick energy for all cell activities.

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Which group of biomolecules contains glycerol and fatty acids?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Which group of biomolecules includes genetic material (DNA and RNA)?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Enzymes, which speed up chemical reactions, belong to which group of biomolecules?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Which type of biomolecule makes up cell membranes?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

A mutation in DNA would initially start with which biomolecules?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

If athletes "pasta load" the day before a big event, which biomolecule are they consuming the most of?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Which biomolecule plays a role in muscle development and repair?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Which biomolecule is involved in long term energy storage?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Which biomolecule is a source of fast, quick energy for cells?

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

________ are small individual molecules that when linked together form a _______

• polymers, monomer

• carbohydrates, lipid

• proteins, nucleic acid

• monomers, polymer

Multiple Choice

Enzymes are substances that speed up the rate of chemical reactions. The rate of enzyme action is affected by several factors. A researcher studying these factors made this graph. Which would be an appropriate title for this graph?

• Enzyme Action and Changes in pH

• The Effect of Temperature on Enzyme Populations

• How Enzyme Action Alters Temperature

• The Effect of Temperature on Enzyme Action

Multiple Choice

A student measured the time required for a protein sample to be completely digested in the presence of an enzyme under different pH levels. At which pH is the enzyme least active?

• 7.1

• 6.9

• 6.8

• 7.2

Multiple Choice

Based on the graph above, at what temperature range is enzyme activity at its greatest?

• 15-25 ºC

• 25-35 ºC

• 35-45 ºC

• 45-55 ºC

Multiple Choice

A student measured the time required for a protein sample to be completely digested in the presence of an enzyme under different pH levels. At which pH is the enzyme most active?

• 7.1

• 6.9

• 6.8

• 7.2

Multiple Choice

The diagram represents one way an enzyme can be inhibited.

Which statement explains the effect of an inhibitor on an enzyme?

• A substrate will be able to bond with the enzyme.

• The enzyme will likely be attacked by immune cells.

• The enzyme will be unable to produce more enzymes.

• A substrate will be unable to attach to the enzyme.

Multiple Choice

The graphs show the reaction rate for an enzyme across a range of temperatures and pH.

Based on these data, this enzyme functions best as what temperature and pH?

• Temperature of 27oC and a pH of 4

• Temperature of 37oC and a pH of 6

• Temperature of 40oC and a pH of 8

• Temperature of 50oC and a pH of 10

Multiple Choice

Water being the Universal Solvent is important to living organisms because

• it acts as a lubricant for our joints and our eyes

• it dissolves nutrients and helps to transport them thru the body

• it dissolves wastes so that they can be transported out of the body

• it helps to regulate body temperature

• All of these!

Multiple Choice

Which property of water explains how water allows organisms to participate in evaporative cooling?

• Specific Heat
• Heat of Vaporization
• Solid density
• Cohesion

Multiple Choice

Surface ice serves to _______________ the water (and organisms) below it.

• crush
• suffocate
• insulate
• neutralize

Multiple Choice

Which property controls temperature fluctuations in an animals body?

• High Heat Capacity

• Lower Density

• Surface Tension

• Universal Solvent

Multiple Choice

Water is very versatile in which it dissolves many substances. This is why water is called ___________.

• the universal solute

• the universal solution

• the universal solvent

• the universal dilution

Multiple Choice

It takes a lot of energy to heat and cool water, this is important because...

• Water helps keeps our climate from fluctuating violently

• It takes forever to boil water for pasta

• Surface Tension

• Polar

Multiple Choice

Which properties of water help a plant get water to the top of its leaves?

• Capillary Action

• Surface Tension

• Polar

• High Heat of Vaporization

Multiple Choice

Water molecules bonding to other molecules or things, such as a leaf is ___________.

• Adhesion

• Specific Heat

• Cohesion

• Expansion

Multiple Choice

This graph demonstrates what property of water?

• Universal Solvent

• High Specific Heat

• Cohesion

• Less Dense as Solid

Multiple Choice

A water molecule has a positive region and a negative region and is therefore...?

• non-polar

• Hydrophilic

• Hydrophobic

• Polar