BIOD 171 Essential Microbiology Portage Learning

Due No due date Points 100 Questions 21 Time Limit 60 Minutes Requires Respondus LockDown Browser Attempt History Attempt Time Score LATEST Attempt 1 11 minutes 96.33 out of 100 Score for this quiz: 96.33 out of 100 10/11/22, 7:01 PM 2/11 Macromolecules* *A student may also answer: Proteins, Lipids, Nucleic acids and Carbohydrates, but they must answer with all four to be fully correct. Your Answer: macromolecules At a generalized level, all cells are comprised of what? Question 3 4 / 4 pts How many different types of amino acids are available from which to make proteins? Your Answer: 20 Question 4 3 / 3 pts Your Answer: A cell A cell 10/11/22, 7:01 PM 3/11 An essential amino acid cannot be produced by the human body and as such must be take in from the environment through alternative sources (i.e) food. Your Answer: There are 9 essential amino acids that are considered "essential" because the body doesn't naturally produce them. So these essential amino acids must be gained from consumption (ex: your diet). Define an essential amino acid. Question 5 4 / 4 pts Where can the two major types of nucleic acids be found in the cell, and what are their roles? Your Answer: DNA and RNA can both be found within the nucleus. However, RNA is able to leave the nucleus, whereas DNA can not. DNA contains a large amount of hereditary genetic information and is responsible for inheritable genetic characteristics for living organisms. RNA is responsible for recieving and deciphering the information from the DNA to synthesize proteins. Question 6 10 / 10 pts 20 10/11/22, 7:01 PM 4/11 3’ GGTCATCG 5’ 5’ CCAGTAGC 3’ There are 2 bonds formed between A and T, and 3 bonds between G and C. Your Answer: CCAGTAGC. There are two bonds between A and T and three bonds that form between G and C. Complete the following DNA strand, and indicate how many bonds are formed for each complementary pair: 3’ GGTCATCG 5’ 5’ CC AGC 3’ Question 7 10 / 10 pts The plasma membrane (select all that are true): Question 8 1.33 / 5 pts 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. 10/11/22, 7:01 PM 5/11 Correctt! 12 The molecular formula of Glucose is C6H12O6 6 3 1 How many carbon atoms are present in glucose? Question 9 5 / 5 pts True of False: The genetic material within a prokaryotic cell is contained within a membrane-enclosed region. True Correctt! False Question 10 3 / 3 pts ou Answered Only restricts movement of materials into the cell orrect Answer Is often a bilayer comprised of lipids ou Answered Cannot prevent essential nutrients from escaping Correctt! Contains hydrophobic tails pointing inward 10/11/22, 7:01 PM 6/11 Correctt! False True True or False: Prokaryotic cells can be subdivided into Bacteria and Archaea. Question 11 4 / 4 pts Correctt! Archaea are prokaryotic bacteria capable of surviving harsh environments. False True True or False: Archaea, a eukaryotic class of microorganisms, is capable of surviving harsh environments. Question 12 3 / 3 pts Animalia, Plantae, Fungi and Protista are all classification under what type of organism?