BIOD 171 Essential Microbiology Portage

BIOD 171 Essential Microbiology Portage Learning Module 1 Exam Questions and Answers GRADEDA BIOD 171 M1: Module 1 Exam - Requires RespondusLockDown Browser + Webcam True/False. A virus is classified as amicrobe. True Although viruses are not living and as such are not consideredmicroorganisms, they can, however, be classified as microbes, amore general termthat includesmicroorganisms andviruses. False True or False: The smallest biological unit of life is the molecule. True False The smallest biological unit of life is the cell. What are the four main types of macromolecules found in cells? Your Answer: Proteins, Lipids, Carbohydrates, Nucleic Acids Question 4 Not yet graded / 3 pts Question 5 Not yet graded / 4 pts Question 6 Not yet graded / 10 pts Question 7 Not yet graded / 10 pts Proteins, Lipids, Nucleic Acids, Carbohydrates How many different types of amino acids are available from which to make proteins? Your Answer:20 20 Howmany amino acids are classified as being essential amino acids? Your Answer:9 9 Where can the two major types of nucleic acids be found in the cell, and what are theirroles? Your Answer: DNA (deoxyribonucleic acid) has the hereditary information and is responsible for the inheritied characteristics in all organisms. RNA (ribonucleic acid) is responsible for deciphering the inheritied information and using it to synthesize protein. DNA is foundin the nucleus, mitochondria, and chloroplast. RNA is found in the nucleus, cytoplasm,and ribosomes. While both DNA and RNA can be found in the nucleus (center of the cell), only RNA iscapable 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. Question 8 5 / 5 pts Question 9 Not yet graded / 5 pts Complete the following RNA strand, and indicate how many bonds are formed for eachcomplementary pair: 3’ GGUCAUCG 5’ 5’ CC AGC 3’ Your Answer: 3' GGUCAUCG 5' 5' CCAGUAGC 3' adesine and uracil form 2 bonds guanine and cytosine form 3 bonds3’ GGUCAUCG 5’ 5’ CCAGUAGC 3’ There are 2 bonds formed between A and U, and 3 bonds between G and C. The plasma membrane (select all that are true): Only restricts movement of materials into the cell Is often a bilayer comprised of lipids Cannot prevent essential nutrients from escaping Contains hydrophobic tails pointing inward Carbon, hydrogen, and oxygen atoms come together to form what primarymacromolecule? Give an example. Question 10 3 / 3 pts Question 11 Not yet graded / 4 pts Question 12 3 / 3 pts Your Answer: Caarbohydrates, Glucose Carbohydrates. Any sugar is acceptable: Glucose, sucrose, fructose, galactose, lactose, maltose, etc. Also options: Starch, glycogen, cellulose, or chitin True of False: The genetic material within a prokaryotic cell is contained within amembraneenclosed region. True False Only eukaryotic cells contain its genetic material within a nucleus. Describe the 4 basic bacterial morphologies. Your Answer: Coccus- round/spherical Bacillus- rod Vibrio-curved rod Spirillumspiral/corkscrew Coccus (round/spherical), bacillus (rod), vibrio (curved rod) or spirillum(spiral/corkscrew). True or False: Archaea is noted for its ability to survive under harsh conditions.