BIOL 101 6388 Concepts of Biology (2178) questions answers 2022

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Question 1 (5 points) Which of the following macromolecules are made from amino acids? Question 1 options:  proteins complex carbohydrates nucleic acids lipids Question 2 (5 points) Wh... y are amino acids called “amino acids? Question 2 options:  They are single molecules that contain both an amine group and a carboxylic acid group They are subunits of macromolecules that act as both strong acids and strong bases in solution They are acidic and were first discovered by an investigator called J. Aminov. They are subunits of macromolecules that act as strong acids PROTEINS Question 3 (5 points) What is the name of the chemical bond between amino acids? Question 3 options: phosphodiester hydrogen  peptide electronegative CARBOHYDRATES Question 4 (5 points) Which of the following carbohydrates is used to store long-term energy in plant cells? Question 4 options: glucose  glycogen starch cellulose *­ incorrect Question 5 (5 points) How are most carbohydrates used in the human body? Question 5 options: used as building blocks for proteins used as catalysts for reactions in cells  used as a source of energy used as building blocks for lipids not necessary for regular bodily functions Save LIPIDS Question 6 (5 points) Fatty acids are a component of what type of macromolecule? Question 6 options:  lipids complex carbohydrates nucleic acids proteins NUCLEIC ACIDS Question 7 (5 points) Which of the following is not part of a nucleic acid? Question 7 options: pentose sugar nitrogenous base  fatty acid group phosphate group Save DENATURATION Question 8 (5 points) Why does the egg white from raw eggs go from clear to white after it is cooked? Question 8 options: because the protein is denatured in raw egg white  because the protein is denatured in cooked egg white because the peptide bonds existing between amino acids break in the raw eggs because the peptide bonds existing between amino acids break in the cooked eggs Save [Show More]

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