Which of the following terms includes (can define) all other terms in this list? steroid cholesterol lipid triglyceride phospholipid Which of the following constitutes a polymer of nucleotides? monosaccharide b. polysaccharide c. polypeptide d. polynucleotide e. lipid An RNA nucleotide contains: cytosine, ribose, hydroxyl group guanine, ribose, deoxyribose uracil, deoxyribose, phosphate group uracil, ribose, phosphate group thymine, amino acid, phosphate group A polysaccharide forms when two monosaccharides join by dehydration synthesis. more than two monosaccharides join by dehydration synthesis. two monosaccharides join by hydrolysis. two starches join by hydrolysis. Two fatty acids join by dehydration synthesis What is the ratio of fatty acids to glycerol in phospholipids? 1:1 b. 2:1 c. 3:1 d. 4:1 e. 6:1 What is special about the and of a phospholipid? “head” “tail” portion A polypeptide being broken down into amino acids is a good example of a(n) ___________ reaction. exchange reversible dehydration synthesis hydrolysis Which of the following functional groups is a carbonyl group? b. c. d. e. –OH –NH2 –COOH –SH –CO Water is an example of a ______________________molecule. hydrophobic ionic nonpolar covalent polar covalent When water molecules stick to one another this is called, adhesion b. polarity c. cohesion d. transpiration e. evaporation
Which of the following terms includes (can define) all other terms in this list? steroid cholesterol lipid triglyceride phospholipid Which of the following constitutes a polymer of nucleotides? monosaccharide b. polysaccharide c. polypeptide d. polynucleotide e. lipid An RNA nucleotide contains: cytosine, ribose, hydroxyl group guanine, ribose, deoxyribose uracil, deoxyribose, phosphate group uracil, ribose, phosphate group thymine, amino acid, phosphate group A polysaccharide forms when two monosaccharides join by dehydration synthesis. more than two monosaccharides join by dehydration synthesis. two monosaccharides join by hydrolysis. two starches join by hydrolysis. Two fatty acids join by dehydration synthesis What is the ratio of fatty acids to glycerol in phospholipids? 1:1 b. 2:1 c. 3:1 d. 4:1 e. 6:1 What is special about the “head” and “tail” portion of a phospholipid? A polypeptide being broken down into amino acids is a good example of a(n) ___________ reaction. exchange reversible dehydration synthesis hydrolysis Which of the following functional groups is a carbonyl group? –OH b. –NH2 c. –COOH d. –SH e. –CO Water is an example of a ______________________molecule. hydrophobic ionic nonpolar covalent polar covalent When water molecules stick to one another this is called, adhesion b. polarity c. cohesion d. transpiration e. evaporation