Question

In: Anatomy and Physiology

The biomolecules make it possible for the cell to make changes, defend and repair itself continue...

The biomolecules make it possible for the cell to make changes, defend and repair itself continue to grow and continue survival. What are those molecules? what is the major difference among them? Add a reference.

Solutions

Expert Solution

There are 4 major calsses of biomolecules -

1. Carbohydrate

  • Monomer - Monosaccharide
  • Contain Carbon, oxygen and hydrogen
  • Monosaccharide (like glucose) join to form disaccharide, polysaccharide or carbohydrate
  • Example - glucose (monosaccharide), starch and glycogen are polysaccharide.
  • Function - provide energy and structure to cell

2. Lipid

  • Monomer - Fatty acid and glycerol
  • Contain Carbon, hydrogen and oxygen
  • Found in oil, butter,
  • Function - stores energy, forms phospholipid layer (membrane of cell)

3. Protein

  • Monomer - Amino acid
  • Contain - carbon, oxygen, hydrogen and Nitrogen (may contain sulphur)
  • Joined by peptide bond
  • Function - provide structure to cell, carry out biological reaction
  • Example - hemoglobin, albumin

4. Nucleic acid

  • Monomer - Nucleotide (which is formed by pentose sugar, nitrogenous base and phosphate)
  • Contain - Carbon, hydrogen, oxygen, nitrogen and phosphorus
  • Example - DNA, RNA
  • Function - acts as genetic material for cell

Reference: Campbell Biology 10th edition, Chapter 5

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Sydney Mullin answered 1 year ago
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