Microbiology Portage Learning
Exam 1 Questions and Answers
100% PASS
A virus is classified as?—ANSWER-Microbe
What is the smallest biological unit of life?—ANSWER-cell
What are the four main types of macromolecules found in cells?—ANSWER-proteins, lipids,
nucleic acids, carbohydrates
How many different amino acids are available from which to make proteins?—ANSWER-20
How many amino acids are classified as being essential amino acids?—ANSWER-9
Where can the two major types of nucleic acids be found in the cell and what are their
roles?—ANSWER-While both DNA and RNA can be found in the nucleus (center of the cell),
only RNA is capable of leaving the nucleus. DNA contains a vast amount of hereditary
information and is responsible for the inheritable characteristics of living organisms. RNA is
responsible for deciphering the hereditary information in DNA and using it to synthesize
proteins.
Complete the following RNA strand and indicate how many bonds are formed for each
complementary pair:
Exam 1 Questions and Answers
100% PASS
A virus is classified as?—ANSWER-Microbe
What is the smallest biological unit of life?—ANSWER-cell
What are the four main types of macromolecules found in cells?—ANSWER-proteins, lipids,
nucleic acids, carbohydrates
How many different amino acids are available from which to make proteins?—ANSWER-20
How many amino acids are classified as being essential amino acids?—ANSWER-9
Where can the two major types of nucleic acids be found in the cell and what are their
roles?—ANSWER-While both DNA and RNA can be found in the nucleus (center of the cell),
only RNA is capable of leaving the nucleus. DNA contains a vast amount of hereditary
information and is responsible for the inheritable characteristics of living organisms. RNA is
responsible for deciphering the hereditary information in DNA and using it to synthesize
proteins.
Complete the following RNA strand and indicate how many bonds are formed for each
complementary pair:
