Ib Bio 2.3-5 with some review

__________ is the web of all enzyme-catalyzed reactions in a cell or organism.

• anabolism

• catabolism

• metabolism

• all of the above

Anabolic reactions...

• join monomers to make polymers

• break down polymers

• hydrolyze molecules

• only happen in the mitochondria

In this reaction, water is added to a disaccharide (sucrose) to break it into two monosaccharides. What type of reaction is this?

• anabolic reaction: condensation

• anabolic reaction: hydrolysis

• catabolic reaction: condensation

• catabolic reaction: hydrolysis

The 4 most common elements in living things are:

• carbon, hydrogen, oxygen, sulfur

• carbon, hydrogen, oxygen, nitrogen

• carbon, oxygen, sodium, calcium

• carbon, oxygen, silicon, phosphorus

Which is an anabolic process?

• photosynthesis

• cellular respiration

• neither

• both

Which organic macromolecules contain carbon, hydrogen, oxygen, nitrogen, and phosphorous?

• carbs

• lipids

• proteins

• nucleic acids

Which category does this molecule belong to?

• carbs

• lipids

• proteins

• nucleic acids

Which category does this molecule belong to?

• carbs

• lipids

• proteins

• nucleic acids

Which category does this molecule belong to?

• carbs

• lipids

• proteins

• nucleic acids

Which category does this molecule belong to?

• carbs

• lipids

• proteins

• nucleic acids