BIOL_101_QUIZ_2 QUESTIONS AND ANSWERS

 Question 1 3.2 out of 3.2 points Which of these is an organelle that would be useful in a cell that takes in and destroys viruses? Selected Answer: a lysosome  Question 2 3.2 out of 3.2 points Which of the following statements is an element of cell theory? Selected Answer: All cells come from pre-existing cells.  Question 3 3.2 out of 3.2 points Five of the six carbon atoms in a glucose molecule are typically found Selected Answer: bonded together with an oxygen atom in a ring structure.  Question 4 3.2 out of 3.2 points Lipids are a class of molecules defined by This study source was downloaded by from CourseH on 05-22-2022 09:25:52 GMT -05:00 Selected Answer: their insolubility in water.  Question 5 3.2 out of 3.2 points An amino group, a carboxylic acid group, a hydrogen atom and one or more atoms composing a side chain (“R” group) all together make up a monomer called Selected Answer: an amino acid.  Question 6 0 out of 3.2 points It is impossible to write a brief dictionary definition of life because Selected Answer: what life is keeps changing with time.  Question 7 3.2 out of 3.2 points A prokaryotic cell is protected against osmotic swelling and rupture by its Selected Answer: cell wall.  Question 8 3.2 out of 3.2 points This study source was downloaded by from CourseH on 05-22-2022 09:25:52 GMT -05:00 The nucleoid of a prokaryotic organism contains Selected Answer: DNA and proteins.  Question 9 3.2 out of 3.2 points The four major classes of biomolecules are: Selected Answer: carbohydrates, lipids, proteins and nucleic acids.  Question 10 3.2 out of 3.2 points When a prokaryotic bacterial cell has a second outer membrane, the membrane’s function is to Selected Answer: b. and c. above  Question 11 3.2 out of 3.2 points __________, the cell’s DNA plus its scaffolding contains the cell’s archive of ______. Selected Answer: Chromatin, information  Question 12 This study source was downloaded by from CourseH on 05-22-2022 09:25:52 GMT -05:00 3.2 out of 3.2 points The polymer _______ enables the cell’s information to flow from DNA out into the cell cytoplasm in a more expressible form. Selected Answer: RNA  Question 13 3.2 out of 3.2 points In a eukaryotic cell the reactions of _______ process energy into the form of ATP within a structure called the __________. Selected Answer: cell respiration, mitochondrion  Question 14 3.2 out of 3.2 points In order for the nasty bacterium Streptococcus pyogenes to adhere to your throat cells, attachment to your cells must be made. This is done using new proteins called _____ and new cell structures called ________. Selected Answer: adhesins, fimbriae  Question 15 3.2 out of 3.2 points Eukaryotic cells heavily responsible for making proteins have their ribosomes arranged within a network of channels known as the This study source was downloaded by from CourseH on 05-22-2022 09:25:52 GMT -05:00 Selected Answer: rough endoplasmic reticulum