BI-255 EXAM 1 QUESTIONS AND
ANSWERS 100% SOLVED (Newest 2025) examples of strong bonds - Correct Answers ✅covalent and ionic examples of weak bonds - Correct Answers ✅hydrogen bonds and van der Waals interactions and hydrophobic interactions when are ionic bonds weak? - Correct Answers ✅when the solid is wet What are the 4 parts of an amino acid? - Correct Answers ✅Alpha carbon, Carboxyl group, Amine group, R-group What links amino acids together to form polypeptides? - Correct Answers ✅peptide bonds Do condensation reactions require energy or give off energy?
- Correct Answers ✅requires energy
Do hydrolysis reactions require energy? - Correct Answers ✅No, these reactions do not require ATP Where is ATP stored? - Correct Answers ✅In the terminal phosphate of ATP. 1 / 2
BI-255 EXAM 1 QUESTIONS AND
ANSWERS 100% SOLVED (Newest 2025) How many amino acids are there? - Correct Answers ✅20 What is the purpose of the R-group? - Correct Answers ✅The R group on an amino acid determines the type of amino acid and provides structural variability.How many levels of protein structure are there? - Correct Answers ✅4; primary, secondary, tertiary, quaternary A protein's shape determines its ______? - Correct Answers ✅function What are the two types of secondary structures? - Correct Answers ✅alpha helix and beta pleated sheet How are secondary structures formed? - Correct Answers ✅hydrogen bonding between the oxygen of the -CO group of one amino acid and the -NH group of an amino acid four places ahead of it.How are teriarty structures formed? - Correct Answers ✅R- group interactions including hydrogen bonds, hydrophobic interacrtions, ionic bonds, and disulfide bridges Proteins fold into their _______. - Correct Answers ✅Lowest energy conformation
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