Organic Compounds 4.1.1

1. Water makes up from 50% to 90% of a living organism. The reminder of the mass generally consists of various carbon-containing compounds. From these statements, which would be the best conclusion about living things?

• Living things are composed of organic matter only
• Living things are composed of inorganic matter only.
• Living things are composed of both organic and inorganic matter.
• Living things are composed of neither organic nor inorganic matter.

Which statement is true?

• Simple sugars are made of polysaccharides
• Glycerol is made of fatty acids
• RNA molecules are made of nucleotides
• Amino acids are made of proteins

What is the function of proteins?

• Build and repair body tissue.
• Provide insulation.
• Store energy for long term use
• None of these are functions of proteins

Tags

NGSS.HS-LS1-1

A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?

• A. carbohydrates   
• B. lipids
• C. nucleic acids
•  D. proteins
  

A nucleotide is composed of which of the following?

• Sugar, Phosphate, Nitrogen bases
• Fatty acids, amino acids, sugar
• Sugar, Glycerol, Nitrogen Bases
• Phosphate, amino acids, sugar

What are the four major organic molecules?

• carbohydrates, lipids, nucleic acids, proteins
• nitrogen, carbon, hydrogen, sulfur
• carbon, oxygen, hydrogen, nitrogen
• hydrocarbons, dehydration synthesis, hydrolysis, isomers

Tags

NGSS.HS-LS1-1

Which of the following is not a carbohydrate?

• steroid
• chitin
• cellulose
• glycogen

How many fatty acid chains are found in a phospholipid?

• 2
• 3
• 1
• 0

Which of the following is not a function of proteins?

• energy
• transport
• structure
• defense

Where do substrates bind on an enzyme?

• active site
• regulatory site
• peptide bonds
• amino acids