Biomolecules and common parts of cells - 3rd ESO

Select the only abiotic level of organization among these four options

• Organism

• Bioelement

• Cell

• Organ

Only one of the following sets of levels of organization is in order. Select it.

• Cell > Tissue > Organ system

• Tissue > Organism > Cell

• Cell > Macromolecule > Organism

• Cell > Organ system > Organ

Water and minerals salts are the two main types of _____ biomolecules

Vitamins, lipids, glucids, nucleic acids and _____ are the main five types of organic biomolecules

About water, which of the following sentences is FASLSE

• The essential biological processes can only happen in water.

• Water is the most common source of energy for living beings.

• A water molecule is formed by two hydrogen atoms and one oxygen atom.

• Water is the main component of living matter.

Minerals salts have the following functions in living beings:

• Form solid structures

• Provide energy

• Be involved in vital processes

• Store genetic information

Carbohydrates, also known as glucids, are made up of the following bioelements...

• Carbon

• Nitrogen

• Oxygen

• Hydrogen

What do disaccharides, such as sucrose, and polysaccharides, such as starch, have in common?

• They are lipids made of fatty acids.
• They are proteins made of amino acids.
• They are nucleic acids made of nucleotides.
• They are carbohydrates made of simple sugars.

Glucose and fructose are examples of...

• Monosaccharides

• Disaccharides

• Polysaccharides

• Amino acids

Cellulose, starch and glycogen are examples of...

• Monosaccharides

• Disaccharides

• Polysaccharides

• Amino acids