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BIOD 171 Exam 1 Portage Learning
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BIOD 171 Exam 1 Portage Learning
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BIOD 171 EXAM 1 PORTAGE LEARNINGQUESTIONS AND ANSWERS VERIFIED BY
EXPERTS
u True or False: A virus is classified as a microbe - True.
Viruses are not living and are not considered microorganisms, but can be classified as microbes.
True or False: The smallest biological unit of life is a molecule. - False
The smallest unit of life is a cell.
What are the four main types of macromolecules found in a cell? - Proteins, Lipids, Nucleic Acids and
Carbohydrates
How many different types of amino acids are available to make proteins? - 20
How many amino acids are classified as being essential amino acids? - 9
Where can the two major types of nucleic acids be found in the cell and what are their roles? - DNA and
RNA
They are both found in the nucleus. DNA contains and stores hereditary information and is responsible
for the characteristics of living organisms. RNA is a messenger and responsible for translating the
hereditary information in DNA and synthesizes proteins.
Complete the following RNA strand and indicate how many bonds are formed for each complementary
pair. - 5'CCAGUAGC3'
AGU is the missing part. There are two bonds between A and U and 3 bonds between G and C.
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