AP bio Chemistry of Life

Water travels up the xylem of plant cells due to

• cohesion

• adhesion

• transpiration

• all of these

There is often wind near large bodies of water mainly because of water's

• evaporation

• transpiration

• polarity

• specific heat

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

The cell membrane is primarily composed of

• nucleotides

• phospholipid bilayer

• disaccharides

• catalysts

Thermal energy generated by the metabolism in these types of organisms maintains homeostatic body temperature

• ectothermic

• endothermic

• photosynthetic

• autotrophic

Tags

NGSS.HS-LS1-3

Which list most accurately includes the elements found in nucleic acids?

• carbon, hydrogen

• carbon, hydrogen, oxygen

• carbon, hydrogen, oxygen, and phosphorous

• carbon, hydrogen, nitrogen and phosphorous

Polymers are cleaved by adding water during the process of

• hydrolysis

• dehydration reaction

• condensation reaction

• cohesion

A difference between DNA and RNA is

• DNA is a double helix while RNA is single stranded

• RNA is found in the nucleus, while DNA is found in the cytoplasm of cells

• DNA is responsible for protein synthesis, whereas RNA is not involved

• all of these are true

The monomers that make up enzymes are

• monosaccharides

• disaccharides

• fatty acids

• amino acids

Tags

NGSS.HS-LS1-6

The linear form of a catalyst describes its

• primary structure

• secondary structure

• tertiary structure

• quaternary structure

Tags

NGSS.HS-LS1-1

Which structure is formed from hydrogen bonds between backbone atoms in an enzyme?

• primary structure

• secondary structure

• tertiary structure

• quaternary structure