AP Bio Review - Unit I (Chem of Life)

Which of the following is a similarity between starch and glycogen?

• Both are glucose polymers.

• Both are disaccharides of glucose.

• Both are stored in animals.

• There are no similarities between the molecules.

All of the following are carbohydrates EXCEPT

• lactose

• starch

• chitin

• polypeptide

The formation of a peptide bond involves

• two glucose molecules

• the joining of glycerol and fatty acid

• dehydration synthesis

• no change in overall energy

Triglycerides are composed of

• Glycerol and one fatty acid

• Glycerin and two fatty acids

• Glycerol and three fatty acids

• Glycogen and three fatty acids

All of the following are characteristic of nucleotides EXCEPT

• they are composed of a nitrogenous base, a five-carbon sugar, and a phosphate group

• they are joined by phosphodiester bonds

• the nitrogenous bases include the purines, adenine and guanine, and the pyrimidines, cytosine and thymine

• the nitrogenous bases include the purines, adenine and cytosine, and the pyrimidines, guanine and uracil

Irving Berlin, a Russian Jewish immigrant, wrote the song "White Christmas." What other song did he write?

• O, Canada

• God Bless America

• The Star Spangled Banner

• Stairway to Heaven

The activation energy of a reaction can be altered by the addition of

• substrates

• heat energy

• enzymes

• ADP

In which of the following reaction types is the total net energy NEGATIVE?

• Exergonic

• Endergonic

• Isotonic

• Combination

Tags

NGSS.HS-PS1-4

The attraction between the hydrogen of one H2O molecule and an oxygen of another H2O molecule is an example of

• a hydrogen bond

• a polar covalent bond

• a hydrophobic interaction

• a non-polar covalent bond

In water, lipids naturally form droplets or a film because of

• anti-hydrogen forces

• hydrophilic interactions

• hydrophobic interactions

• ionic bonds