The Structure of Biomolecules

Which of the following is NOT an organic molecule necessary for the survival of living things?

• protein

• carbohydrate

• carbon dioxide

• nucleic acid

The three most abundant elements in the human body are

• calcium, nitrogen, hydrogen

• carbon, hydrogen, oxygen

• nitrogen, hydrogen, oxygen

• phosphorus, carbon, oxygen

Which of the following is NOT a protein molecule?

• enzyme

• insulin

• glycogen

• hemoglobin

Organic matter means

• naturally made

• derived from once living organism.

• come from carbon-based compounds.

• All of the above.

Tags

NGSS.MS-LS2-3

Which statement is CORRECT about atoms, elements, molecules and compounds?

• All molecules are compounds of two elements.

• A molecule is made of two different atoms of elements

• A compound or a molecule is a bond between two or more elements

• A compound is a combination of two atoms of same element.

Tags

NGSS.MS-PS1-1

Monosaccharide, also known as glucose, is the monomer of carbohydrates. Monosaccharide means

• many carbohydrates

• single carbohydrate

• single sugar

• many sugars

Tags

NGSS.MS-LS1-7

Carbohydrates molecules provide quick or short-term energy to living organisms. Which molecules belong to carbohydrates?

• starch

• sugars

• glycerol

• glycogen

All living things obtain and use energy for survival. ALL of the molecules below are sources of energy for living organisms EXCEPT

• carbohydrate

• nucleic acid

• protein

• lipid

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Which group of compounds/molecules necessary for life?

• carbon, hydrogen, oxygen, calcium

• sodium, salt, water, carbon dioxide

• carbon, hydrogen, oxygen, nitrogen

• carbohydrate, nucleic acid, protein, lipid

Tags

NGSS.MS-LS1-7

Which statement is TRUE?

• Atoms combine to form molecules.

• Molecules combine to form cells.

• Compounds are made of two more elements.

• All statements are correct.

Tags

NGSS.MS-PS1-1