IB Biology SL Biological Molecules

What biological molecule regulates cell process and forms important cellular structures?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What atoms are found in all four major groups of organic compounds?

• Carbon, Hydrogen, and Oxygen

• Carbon, Hydrogen, Oxygen, and Nitrogen

• Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorous

Tags

NGSS.HS-LS1-1

A general rule is that the more carbon atoms in a molecule the more energy a molecule can provide. What molecule can provide the most energy to an organism?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Which of the following elements is NOT found in all organic molecules.

• Carbon

• Hydrogen

• Sulfur

• Oxygen

Which of the following best describes the function of carbohydrates?

• Energy resource for cells

• Help speed up chemical reactions

• Transport of molecules in/out of the cell membrane

In a carbohydrate, which of the following best describes the ratio of carbon to hydrogen to oxygen (in that order)?

• 1:1:1

• 2:1:1

• 1:2:1

• 1:1:2

Glucose is a

• Lipid

• Protein

• Simple sugar (monosaccharide)

• Complex sugar (polysaccharide)

Which of the following is not a complex sugar (polysaccharide)?

• Cellulose

• Glycogen

• Ribose

• Starch

Which of the following complex sugars (polysaccharides) are only found in animals?

• Cellulose

• Glycogen

• Starch

What is the function of starches in plants and glycogen in animals?

• Stored energy in cells

• Structure for cell

• Speed up chemical reactions

Tags

NGSS.HS-LS1-7