2.1 Metabolism Part 2

Question 1

What is a heterotroph?

Answer 1

microorganism that derives its carbon from organic molecules such as sugars

Question 2

What are autotrophs?

Answer 2

organisms that derive their carbon from inorganic molecules such a as carbon dioxide

Question 3

What are the three distinct processes that form ATP?

Answer 3

photophosphorylation
substrate-level phosphorylation
oxidative phosphorylation

Question 4

What is photophosphorylation?

Answer 4

light energy is used to power the formation of ATP from ADP

Question 5

What is substrate level phosphorylation?

Answer 5

phosphoryl group of a chemical compound is transferred and donated to ADP

Question 6

What is the chemical compound losing its phosphate group in substrate level phosphorylation known as?

Answer 6

phosphorylated reactive intermediate

Question 7

What is oxidative phosphorylation?

Answer 7

energy released by the chemical oxidation of nutrients is used to reform ATP

Question 8

What types of cells use oxidative phosphorylation?

Answer 8

chemotrophs

Question 9

Where does oxidative phosphorylation occur?

Answer 9

mitochondria of eukaryotic cells