Clutch Prep is now a part of Pearson
Ch. 5 - Molecules of MicrobiologyWorksheetSee all chapters
All Chapters
Ch. 1 - Introduction to Microbiology
Ch. 2 - Disproving Spontaneous Generation
Ch. 3 - Chemical Principles of Microbiology
Ch. 4 - Water
Ch. 5 - Molecules of Microbiology
Ch. 6 - Cell Membrane & Transport
Ch. 7 - Prokaryotic Cell Structures & Functions
Ch. 8 - Eukaryotic Cell Structures & Functions
Ch. 9 - Microscopes
Ch. 10 - Dynamics of Microbial Growth
Ch. 11 - Controlling Microbial Growth
Ch. 12 - Microbial Metabolism
Ch. 13 - Photosynthesis
Ch. 15 - DNA Replication
Ch. 16 - Central Dogma & Gene Regulation
Ch. 17 - Microbial Genetics
Ch. 18 - Biotechnology
Ch. 21 - Viruses, Viroids, & Prions
Ch. 22 - Innate Immunity
Ch. 23 - Adaptive Immunity
Ch. 24 - Principles of Disease
Functional Groups
Introduction to Biomolecules
Monomers & Polymers
Nucleic Acids

Concept #1: Nucleic Acids

Concept #2: Nucleic Acids

Example #1: What is the difference between the sugar group in DNA and the sugar group in RNA?

Practice: Which of the following descriptions best fits the class of molecules known as nucleotides?

a) A nitrogenous base & a phosphate group.

b) A nitrogenous base & a sugar.

c) A nitrogenous base, phosphate group & a sugar.

d) A nitrogenous base, a carbohydrate, & a sugar.

Concept #3: Nucleic Acids

Example #2: The purine nitrogenous bases are _____________:

Practice: The four nitrogenous bases commonly found if DNA are:  

a) Adenine, thymine, cytosine, uracil 

b) Uracil, adenine, cytosine, guanine.

c) Uracil, cytosine, guanine, thymine.

d) Adenine, thymine, cytosine, guanine.

e) None are correct.

Concept #4: Nucleic Acids

Concept #5: Nucleic Acids

Practice: Which of the following statements about DNA structure is true?

a) The nucleic acid strands in a DNA molecule are oriented antiparallel to each other.

b) Nucleic acids are formed through phosphodiester bonds that link complementary nucleobases together.

c) Hydrogen bonds formed between the sugar-phosphate backbones of the two DNA chains stabilize the structure.

d) The pentose sugar in DNA is ribose (containing two hydroxyl groups).