Biomolecules

Question 1

Biomolecules

Answer 1

carbohydrates, proteins, lipids and nuclear acids

Question 2

What are the Carbohydrates

Answer 2

• Are compounds containing carbon, oxygen and hydrogen
• aka sugar
• They can be classified as monossaccharides, polysaccharides and disaccharides

Question 3

Monosaccharides

Answer 3

Principle source of energy for the cell
The most important one is the glucose

Question 4

Polysaccharides

Answer 4

Can be a way to store energy, or provide stuctural support as cellulose and chitin

Question 5

Proteins

Answer 5

Proteins arebuilt as chains of amino acids, which then fold into unique three-dimensional shapes.
* mechanical support
* catalysis of methabolic actions

Question 6

Primary structure of a protein is….

Answer 6

defined by amino acid sequence

Question 7

Lipids are..

Answer 7

Hydrophobic (non-polar molecules that do not mix with water) small molecules

Question 8

The most common lipids are…

Answer 8

triglycerides and phospholipids, and they are used to store energy (they are the scructure of the cell membrane).
There are also the sterols, aka hormones.

Question 9

Nucleotides and nuclear acids are..

Answer 9

DNA and RNA they are linear polymers of nucleotides

Question 10

The seven main proteins are…

Answer 10

antibodies, contractile proteins, enzymes, hormonal proteins, structural proteins, storage proteins, and transport proteins.