Chapter 2 Unit 1 Biology

Front 1

Complex carbon - containing molecules are also referred as ......... compounds

Back 1

ORGANIC COMPOUNDS

Front 2

TRUE OR FALSE

Biotic organisms only contain organic compounds

Back 2

FALSE

Front 3

Biochemcial tests are used to:

Back 3

Identify organic compounds within cells

(ex: Iodine Solution)

Front 4

TRUE OR FALSE

The head of a phospholipid is hydrophobic.

Back 4

FALSE

Front 5

Identify 2 reasons why the plasma membrane must be flexible.

Back 5

> Change shape easily
> Ability to grow
> Expand cell conents
(esp during cell division)

Front 6

The lipid responsible for preventing strong bonds between lipid tails resulting in frlexibility is:

Back 6

Choloesterol

Front 7

The lipid at room room temperature that is a liquid is:

Back 7

OILS

Front 8

A structure that contains 3 fatty acids and one glycerol is referred to as:

Back 8

TRIGLYCERIDE

Front 9

TRUE OR FALSE

Saturated fats are easy to break down due to single bonds.

Back 9

FALSE

Front 10

Vitamins that need to be replaced in the body daily due to the inability to store them are:

Back 10

WATER SOLUBLE

Front 11

The abscence of vitamins in a diet can be replaced through vitamin........

Back 11

Supplements

Front 12

Identify 3 macro elements (minerals) required by humans.

Back 12

Sodium, Potassium, Chlorine,
Calcium, Phosphorus, Magnesium
Sulfur.

Front 13

The role of channel proteins is to:

Back 13

Select substances to pass through the membrane.

Front 14

Lipids have many benefits. Identify 3 benefits to a cell.

Back 14

> Fuel for aerobic respiration
> Converted into fat by enzymes
>Absorbs impacts
>Concentrated energy source
>Provides waterproofing

Front 15

A polypeptide is formed by building blocks called:

Back 15

Amino Acids

Front 16

Proteins like lipids contain the elements C, H and O but are different as they always contain:

Back 16

NITROGEN

Front 17

Processes that occur outside of a cell are reffered to as:

Back 17

Extracellular

Front 18

The most abundant protein found in vertebrates is:

Back 18

Collagen

Front 19

Enzymes are important in living organims because:

Back 19

They speed up processes which otherwise would take extended amounts of time.