Marcromolecules

In what form do plants store carbohydrates?

starch

The list below represents the estimated chemical composition of the human body. Mineral Salts- 1% Fats and Carbohydrates- 7% Protein- %25 Water- 67% What percentage of the human body is composed of inorganic material?

68%

Cellulose is found in plant cell walls to provide structure. It is a sugar. Which macromolecule would cellulose represent?

Carbohydrates

Of what group of macromolecules is a sugar the simple form?

Carbohydrates

These macromolecules provide quick energy for living things.

Carbohydrates

What statement describes this molecule?

Energy for life processes can be stored within the chemical bonds of both molecules.

What is an organic compound found in most cells?

Glucose

Identify the monomer in the following picture:

Monosaccharide

Most of the chemical reactions occurring in a living cell depend on the presence of what inorganic compound?

Water

Water makes up from 50 percent to 90 percent of a living organism. Most of the rest of the mass consists of a variety of carbon-containing compounds. A valid conclusion that can be drawn from these statements is that living things are composed of

both organic and inorganic matter.

All organic macromolecules _____.

contain carbon

Organisms contain compounds such as proteins, starches, and fats. The chemical bonds in these compounds can be a source of ___.

energy

An energy-rich organic compound needed by organisms is ______.

glucose

The diagram below represents a portion of a starch molecule. The energy in the molecule shown is stored _______.

in the bonds between atoms

Repeating subunits (small building blocks) that make up a macromolecule are called ____.

monomers

The list below represents a sequence of events that occurs in living things. [ x ] l v [are digested into] l v [smaller molecules] l v [which can be synthesized into] l l l l v v v v [fat] [starch] [protein] [DNA] Letter x represents __________.

organic molecules

Organic compounds are used as building blocks for _____.

proteins, carbohydrates, lipids, and nucleic acids

What are the functions of Carbohydrates?

serve as sources of energy and as components of cell structures

The diagram below represents a portion of a starch molecule. The building blocks for the molecule shown are ____

simple sugars

Most of the starch stored in the cells of a potato is composed of molecules that originally entered these cells as

simple sugars.

What type of molecule would be produced by the linking together of many molecules of glucose?

starch

Which organic compound is correctly matched with the subunit that composes it?

starch - glucose

Two examples of carbohydrates are

sugars and starches.

The major role of carbohydrates in the human diet is to ___.

supply energy for the body