AP BIO Unit 1

Which of these describes the bonds between atoms in ONE water molecule?

• Hydrogen bonds

• Covalent bonds

• Ionic bonds

• Cohesive bonds

Tags

NGSS.MS-PS1-1

Which of these best explains why water is polar?

• The electrons are equally shared between O and H

• O donates an electron to H, creating a charge

• The electrons are unequally shared between O and H

• The H donates electrons to O, creating a charge

The type of bonds between DIFFERENT water molecules are...

• hydrogen bonds

• peptide bonds

• covalent bonds

• ionic bonds

Tags

NGSS.HS-ESS2-5

Which property of water explains why the water has formed beads?

• cohesion

• capillary action

• adhesion

• surface tension

Why is ice less dense than liquid water?

• The covalent bonds within water are spread out

• The high heat capacity allows it to float

• The hydrogen bonds between molecules are spread out

• As a solvent, it can dissolve less dense substances easily

Tags

NGSS.HS-PS1-3

Which of these best explains what is happening here?

• Sucrose is being broken down through dehydration synthesis

• Sucrose is being broken down through hydrolysis

• Sucrose is being made through dehydration synthesis

• Sucrose is being made through hydrolysis

Tags

NGSS.HS-LS1-6

Which option contains terms that correctly describe what is occurring here?

• Hydrolysis broke the covalent bonds between monosaccharides

• Hydrolysis broke peptide bonds between amino acids

• Dehydration synthesis combined amino acids using peptide bonds

• Hydrolysis broke hydrogen bonds between nucleic acids

Tags

NGSS.HS-LS1-6

What organic compound is seen here?

• monosaccharide

• polypeptide

• saturated fatty acid

• unsaturated fatty acid

What is true about all of these amino acids?

• They will not form proteins

• They are polar

• They are nonpolar

• They will form a quaternary structure

Tags

NGSS.HS-LS1-6

Which of these correctly identifies the functional groups seen in amino acid?

• Green=amino group, yellow = carboxyl group, red=variable group

• Green=variable group, yellow=carboxyl group, red=amino group

• Green=carboxyl group, yellow=amino group, red=variable group

• Green=amino group, yellow=variable group, red=carboxyl group

Tags

NGSS.HS-LS1-6