BIOCHEMISTRY

BIOCHEMISTRY

Multiple Select

What are the four organic molecules important to living things?

• proteins

• lipids

• nucleic acids

• Carbohydrates

• triglycerides

Multiple Choice

Organic compounds always contain ________.

• metal

• carbon

Multiple Choice

Identify.

• carbon ring

• simple chain

• branched chain

• phosphate

• hydroxyl

Multiple Choice

___________ compounds contain metal and other elements.

• organic

• inorganic

• fatty

• mutli

Multiple Select

Which of the following are unsaturated fats?

• avocado oil

• beef fat

• Butter

• Olive oil

• cheese

Multiple Choice

Identify

• double chain

• simple chain

Multiple Select

Which of the following are saturated fats?

• avocado oil

• beef fat

• Butter

• Olive oil

• cheese

Multiple Select

Name the five types of nitrogen bases found in nucleic acids:

• hydrogen

• oxygen

• nitrogen

• carbon

• phosphorus

Multiple Choice

How do enzymes increase the rate of chemical reactions?

• by LOWERING activation energy

• by RAISING activation energy

Multiple Choice

The following monomer is a basic unit for which macromolecule?

amino acid

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

Multiple Choice

The following monomer is a basic unit for which macromolecule?

fatty acid, glycerol

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

Multiple Choice

The following monomer is a basic unit for which macromolecule?

monosaccharide (simple sugar)

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

Multiple Choice

The following monomer is a basic unit for which macromolecule?

nucleotides

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

Multiple Choice

How many kinds of amino acids are there?

• 10

• 15

• 20

• 21

Multiple Choice

Identify

• double chain

• simple chain

• branched chain

• carbon ring

• single and double bonds

Multiple Select

Name two examples of a functional group.

• ^carboxyl

• ^fructose

• ^hydroxyl

• glucose

Multiple Select

What are the four functional groups?

• Phosphate

• carboxyl

• amino

• monomer

• hydroxyl

Multiple Choice

Identify.

• phosphate

• hydroxyl

• carbon ring

• single and double bonds

• carboxyl

Multiple Choice

Hydrogen bond: a type of chemical bond in which a __________ atom that has a covalent link with one of the electronegative atoms

• oxygen

• hydrogen

• carbon

Multiple Choice

Identify.

• hydroxyl

• phosphate

• carboxyl

• amino

Multiple Choice

_________________ two or more compounds having the same molecular formula but a different arrangement of atoms within the molecule

• ion

• proton

• isomer

• covalent

Multiple Select

How would you determine if a fat is saturated or unsaturated?

• Saturated fatty acids lack double bonds between the individual carbon atoms

• Saturated fatty acids lack single bonds between the individual carbon atoms

• unsaturated fatty acids there is at least two double bond in the fatty acid chain

• unsaturated fatty acids there is at least one double bond in the fatty acid chain

Multiple Choice

A group of atoms attached to a compound that gives the compound certain characteristics; causes the carbon molecules to which it is attached to attain certain properties

• functional group

• carboxyl group

• carbon group

Multiple Choice

Identify.

• amino

• carboxyl

• hydroxyl

• phosphate

Multiple Choice

Non-polar: molecules in which the bonds are _______ because the electrons are shared equally

• unequal

• equal

Multiple Select

Name 4 properties of water that are a result of its polarity and tendency to form hydrogen bonds.

• Water is resistant to change in temperature

• Ice is less dense than liquid water

• Water is less dense than ice.

• Water is a polar compound

• Water is an effective solvent.

Multiple Choice

Identify.

• amino

• carboxyl

• hydroxyl

Multiple Select

List three additional functions of lipids.

• insulation

• lubricant

• chemical messenger

• helps absorb some vitamins

• waterproof coverings

Multiple Choice

How “carbo-loading” accomplished?

• eating less carbs than usual while also decreasing exercise to reduce the amount of carbs you are using

• eating more carbs than usual while also decreasing exercise to reduce the amount of carbs you are using

Multiple Choice

Identify.

• phosphate

• hydroxyl

• carboxyl

• amino

Multiple Select

What are the three parts of a nucleotide?

• phosphate group

• nitrogenous base

• carbon base

• Deoxyribose

Multiple Choice

What is the function of DNA?

• Store genetic information

• Carries and transfers information

Multiple Choice

Identify the organic compound or chemical process.

• phospholipid

• dehydration synthesis

• triglyceride

• amino acid

Multiple Select

Identify facts about steroids:

• a fused ring structure

• long-chain alcohol and a fatty acid

• The bonds between the molecules are covalent

• four linked carbon rings

• insoluble in water

Multiple Choice

What is the function of RNA?

• Store genetic information

• Carries and transfers information

Multiple Choice

________is an organic chemical reaction that involves adding water to break apart molecules (reaction with water)

• hydrolysis reaction

• hydraulic reaction

• peptide bond

Multiple Select

Which monosaccharides make up sugar?

• fructose

• sucrose

• Glucose

• galactose

Multiple Select

Identify the organic compound or chemical process.

• phospholipid

• amino acid

• triglyceride

Multiple Choice

Dehydration synthesis is also called.....

• aerobic cellular respiration

• condensation

• peptide bond

Multiple Select

Identify facts about waxes:

• Plants often have these to help them to conserve water

• have chains of the order of 12-34 carbon atoms in length

• long-chain alcohol and a fatty acid

• fatty acid chains attached to a glycerol

Multiple Choice

Saturated Triglyceride Fats: fats with a _____ melting point

• low

• high

Multiple Select

Identify the organic compound or chemical process.

• condensation reaction

• phospholipid

• amino acid

Multiple Choice

What is the storage form of sugar in plants?

• starch

• glycogen

Multiple Choice

What is the storage form of sugar in animals?

• starch

• glycogen

Multiple Select

______________ Triglyceride Fats: fats with a low melting point at room temperature

• Unsaturated

• Saturated

Multiple Choice

Identify the organic compound or chemical process.

• condensation reaction

• cell membrane with phospholipid bilayer

• dehydration synthesis

Multiple Choice

________ is a chemical bond formed between 2 molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule releasing a molecule of water.

• chemical bond

• carbon bond

• peptide bond

Multiple Select

Identify facts about phospholipids:

• fatty acid chains attached to a glycerol

• a fused ring structure

• have four major components: fatty acids, a glycerol component, and both a phosphate group and a polar molecule.

Multiple Choice

Aerobic cellular respiration is the chemical process that turns the food we eat into __________ the cells can use

• energy

• digestible items

Multiple Select

“Carbo-loading” is a strategy used to maximize the storage of__________ in the muscles and liver.

• glycogen

• oxygen

• (or energy)

• carbon

Multiple Select

Identify the organic compound or chemical process.

• condensation reaction

• dehydration synthesis

• cell membrane with phospholipid bilayer

Multiple Choice

Substrate: a ________ molecule; the molecule on which an enzyme reacts

• solvent

• reactant

Multiple Select

What kind of bond exists between 2 water molecules that account for its properties?

• single

• carbon

• hydrogen

• covalent

Multiple Select

Which atoms make up each of the macromolecules?

• fatty acids

• lipids

• carbohydrates

• nucleic acids

• proteins

Multiple Select

Identify the organic compound or chemical process.

• condensation reaction

• cell membrane with phospholipid bilayer

• dehydration synthesis

Multiple Select

Describe three ways proteins can be denatured. (There are actually 3 ways) it is caused by

• chemicals

• water

• extremes of pH

• heat

Multiple Select

Identify triglyceride facts:

• lipids consisting of one glycerol molecule bonded with three fatty acid molecules

• a fused ring structure

• The bonds between the molecules are covalent

• Bonds formed during a condensation reaction