BIOD 171 M1: Module 1 Exam - Requires Respondus LockDown Browser + Webcam

Attempt History Take the Quiz Again Attempt Time Score LATEST Attempt 1 60 minutes 11 out of 100 * * Some questions not yet graded Score for this quiz: 11 out of 100 * Submitted Jan 26 at 5:28pm This attempt took 60 minutes. u Answered rrect Answ Question 2 3 / 3 pts True or False: The smallest biological unit of life is the molecule. Question 1 0 / 3 pts True/False. A virus is considered a microorganism. True er False lOMoARcPSD| 2 of 11 1/27/2023, 4:21 PM Correct! nanswered nanswered True False The smallest biological unit of life is the cell. Question 3 Not yet graded / 4 pts At a generalized level, all cells are comprised of what? Your Answer: Macromolecules* *A student may also answer: Proteins, Lipids, Nucleic acids and Carbohydrates, but they must answer with all four to be fully correct. Question 4 Not yet graded / 3 pts How many different types of amino acids are available from which to make proteins? Your Answer: 20 lOMoARcPSD| 3 of 11 1/27/2023, 4:21 PM nanswered Question 6 Not yet graded / 10 pts What are the two major types of nucleic acids and their roles? Your Answer: While both DNA and RNA can be found in the nucleus , only RNA is capable of leaving the nucleus. DNA contains a vast a mount 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. There are two major types of nucleic acids: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). Nucleic acids are chemical molecules that carry genetic information within the cell. 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 5 Not yet graded / 4 pts Define an essential amino acid. Your Answer: 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. lOMoARcPSD| 4 of 11 1/27/2023, 4:21 PM nanswered Correct! Correct! nanswered Question 7 Not yet graded / 10 pts Complete the following DNA strand, and indicate how many bonds are formed for each complementary pair: 3’ GGTCATCG 5’ 5’ CC AGC 3’ Your Answer: 3’ GGTCATCG 5’ 5’ CCAGTAGC 3’ There are 2 bonds formed between A and T, and 3 bonds between G and C. Question 8 5 / 5 pts 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 Question 9 0 / 5 pts