Future Doctors🩺💉

48. In the human body, naturally occurring amino acids are predominantly in the___ configuration, while naturally occurring sugars are predominantly in the__ configuration.

47. If a hydrogen bond forms between the C=O and N-H groups of two different polypeptide chains, how is this interaction classified?

46. The following diagram shows a disaccharide. Based on its structure, this sugar is:

45. A positive Benedict's test is not given by

44. Maltose contains which type of glycosidic bond?

43. In a standard alpha-helix, where are the R-groups located?

42. In the formation of a pentapeptide from five free amino acids, how many molecules of water are released?

41. 4-hydroxyproline and 5-hydroxylysine are essential for the stability of collagen. How are these amino acids produced?

40. Which amino acid forms disulfide bonds in proteins?

39. Glucose and galactose enter enterocytes primarily via:

38. Which enzyme cleaves α(1→6) glycosidic bonds in amylopectin?

37. N-linked oligosaccharides in glycoproteins are attached to which amino acid?

36. Which RNA is a structural and functional component of ribosomes?

35. What is the specific role of tRNA in the translation process?