UW Madison Bio 101 Exam 1 Questions & Answers(GRADED A+)

What is a covalent bond? - ANSWERWhen two atoms share electrons What are the three key polar covalent bonds (for the sake of this class)? - ANSWERO-H, N-H, S-H What can H bond to? - ANSWEROther polar molecules and water. How are polymers built? - ANSWERThrough dehydration reactions (Monomer in, water out) How are polymers broken down? - ANSWERThrough hydrolysis reactions (Water in, monomer out) What is the identifying shape of a carbohydrate? - ANSWERRing-shaped What is the function of a disaccharide? - ANSWERTo be broken down for quick energy. What is the function of glucose? - ANSWERGlucose is a monosaccharide that is used as fuel to make ATP. T/F: All polysaccharides are composed of glucose. - ANSWERTrue What is the function of a starch? Where is it found? - ANSWERFunction: Energy Storage Found: in plants What is the function of glycogen? Where is it found? - ANSWERFunction: energy storage Found: animals What is the function of cellulose? Where is it found? - ANSWERFunction: Structural Found: Plant cells What is the function of chitin? Where is it found? - ANSWERFunction: Structural Found: Insects, some animals, fungi Can animals break down cellulose? - ANSWERNo. Cows can only break down cellulose because of microorganisms within their stomach that can. Describe what a protein structure looks like? - ANSWERA central carbon is bonded to an amino group, a hydrogen, a carboxyl group, and a varying R group. Which end of a polypeptide is read first; the carboxyl terminus or amino terminus? - ANSWERThe amino terminus What must happen to a polypeptide before it can become a functioning protein? - ANSWERIt must fold. What is the first level (degree) of protein structure? - ANSWERIt is the linked series of amino acids and their uniq