Bio 107 Exam Prep 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED

Bio 107 Exam Prep 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED What does a nucleotide structure have? ✔✔Nitrogenous base Sugar Phosphate group What do nucleotides form when they are chemically connected together? ✔✔DNA strand What are the two nitro genous bases? ✔✔Pyrimidine and Purine What is included in the pyrimidine group? ✔✔Cytosine (C) Thymine (T) Uracil (U) What is included in the purine group? ✔✔Adenine (A) Guanine (G) Which of the following is only included in the DNA group C, T, U, A, or G? ✔✔C, T, A, G Which of the following is only included in the RNA group C, T, U, A, or G? ✔✔C, U, A, G Which sugar is found in DNA? ✔✔Deoxyribose Which sugar is found in RNA? ✔✔Ribose What is the difference between deoxyribose an d ribose? ✔✔Deoxyribose has no -OH attached at the 2' position while ribose does. What does DNA stand for? ✔✔Deoxyribose nucleic acid What does RNA stand for? ✔✔Ribose nucleic acid How many base pairs are in the Watson and Crick model per turn? ✔✔10 base pairs What does it mean when the strands are antiparallel? ✔✔If one strand is shown in the 5' ->3' (top to bottom) the other strand will run 5' ->3' (bottom to top) What are the DNA base pairs in the Watson and Crick model? ✔✔A pairs with T G pairs with C How many hydrogen bonds will form if A pairs with T? ✔✔2 How many hydrogen bonds will form if G pairs with C? ✔✔3 What are genes? ✔✔Carry the information that encodes the traits that are observed in an organism What are chromosomes ? ✔✔The chemical structure that contains genes. These are the molecules that pass from parent to offspring during reproduction. What was Griffith experiment about? ✔✔He mixed heat killed S and living R cells and he killed the mice. What did Griffith co nclude about his experiment? ✔✔Something in the heat killed S strain converted the live R strain into a pathogenic strain. "Transforming substance" This enzyme break down RNA molecules into nucleotides. ✔✔RNase This enzyme breaks down DNA into nucleo tides ✔✔DNase This enzyme breaks down proteins into amino acids ✔✔Protease These enzymes break down fats like triacylglycerides and phospholipids and release free fatty acids ✔✔Lipase