Biomolecules Flashcards

1
Q

Biomolecules

A

carbohydrates, proteins, lipids and nuclear acids

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2
Q

What are the Carbohydrates

A
  • Are compounds containing carbon, oxygen and hydrogen
  • aka sugar
  • They can be classified as monossaccharides, polysaccharides and disaccharides
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3
Q

Monosaccharides

A

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

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4
Q

Polysaccharides

A

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

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5
Q

Proteins

A

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

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6
Q

Primary structure of a protein is….

A

defined by amino acid sequence

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7
Q

Lipids are..

A

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

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8
Q

The most common lipids are…

A

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.

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9
Q

Nucleotides and nuclear acids are..

A

DNA and RNA they are linear polymers of nucleotides

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10
Q

The seven main proteins are…

A

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

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