Important nutrients for photosynthesis include nitrogen and

Important nutrients for photosynthesis include: nitrogen and phosphate. phosphate and oxygen. nitrogen and oxygen. calcium and oxygen, glucose and oxygen. The person who presented a similar theory of evolution to that of Darwin was. Charles Lyle. Alfred Wallace. Thomas Malthus. Alfred Wegener, Robert Ballard. Carbohydrates contain all the following elements except: carbon. nitrogen. hydrogen. oxygen. The hard exterior of crabs and lobsters is: chitin. triglycerides. glycogen. cellulose. based on wax polymers. Fats, oils, and waxes are called: sugars. polysaccharides. lipids. proteins monomers. Proteins are polymers whose basic chemical units are called: amino acids. polysaccharides. lipids. cellulose. nucleosides. The number of different amino acids is: 10. 20. 30. 40. 50. 50.

Solution

44. e. glucose and oxygen

45. a. Charles Lyle.

46. b.nitrogen

47. a. Chitin.

48. c.lipids

49. a.amino acids.

50. b.20