| ACROSS |
| 1. | Animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes |
| 4. | Hearing organ |
| 7. | Dripping |
| 10. | Madame (abbr.) |
| 13. | Everything |
| 14. | (biochemistry) Long linear polymer of nucleotides found in a cell |
| 15. | One (Scot) |
| 16. | Chief Executive Officer (abbr.) |
| 17. | Make a knot |
| 18. | Wind |
| 19. | Nine, plus one |
| 20. | Separate the seeds from cotton |
| 21. | Two long chains of nucleotides twisted into a double helix |
| 23. | Eastern Standard Time (abbr.) |
| 25. | Pass on |
| 27. | Conclude |
| 28. | Curve |
| 29. | Make supply last |
| 30. | Double-curved letter |
| 32. | Stay |
| 35. | Gives a jingle |
| 38. | Lower and raise head in agreement |
| 39. | The grampus (Milton) |
| 42. | Elected rep. |
| 43. | The 18th letter of the Arabic alphabet |
| 45. | Acquire through effort |
| 47. | Partially opened flower |
| 48. | Chemical element with properties similar to another |
| 49. | Monetary unit of Kyrgyzstan |
| 51. | Seas |
| 53. | Immoderately adhering to a belief, fashion, or course of action |
| 55. | Small child |
| 56. | Certified Public Accountant (abbr.) |
| 57. | Consenting reply |
| 59. | Born |
| 62. | Viper |
| 63. | Writing tablet |
| 64. | Say or write further |
| 65. | The inner or back room of a two-room cottage |
| 67. | Transient Ischemic Attack (abbr.) |
| 69. | Universal Resource Identifier |
| 72. | _ tizzy (2 wds.) |
| 74. | Thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord |
| 75. | Petroleum |
| 76. | Small bed |
| 77. | The 23rd letter of the Hebrew alphabet |
| 78. | Small island |
| 79. | Sliced dessert |
| 80. | Greek goddess of the dawn |
| 81. | Compass dir. |
|
| DOWN |
| 1. | Erode |
| 2. | A group of flying fish |
| 3. | The first American to orbit the earth (Feb 20, 1962) |
| 4. | Epoch |
| 5. | Cuckoo |
| 6. | Less widely known |
| 7. | Electrical Unit |
| 8. | Compass dir. |
| 9. | Watched over |
| 10. | Southeastern Missouri community in Wayne County |
| 11. | Master of Engineering Administration (abbr.) |
| 12. | Period of immesurable duration |
| 22. | An important port of Yemen |
| 24. | Systematic examination of a prescribed region |
| 26. | Eisenhower's nickname |
| 28. | Aid |
| 31. | Ocean |
| 33. | Arrow shooter |
| 34. | Foolish or stupid persons |
| 35. | 23rd letter of the Greek alphabet |
| 36. | Higher Education for Development (abbr.) |
| 37. | Single |
| 39. | Chief or king in Benin or Nigeria |
| 40. | A group of salmon |
| 41. | Music discs |
| 44. | Not either |
| 46. | Non-commissioned officer (abbr.) |
| 50. | A member of an American Indian people of Yucatan and Belize and Guatemala |
| 52. | Inactive volcano in Sicily |
| 53. | Uninterruptible Power Supply (abbr.) |
| 54. | Portable computer |
| 56. | 2nd pers. sing. pres. of can (arch.) |
| 58. | Deduce a principle or construe a meaning |
| 60. | Prepares for publication |
| 61. | Ferber et al. |
| 63. | Diluted with white |
| 65. | Sound made by sheep |
| 66. | Biblical high priest |
| 68. | One more than two |
| 70. | A female kangaroo |
| 71. | It is |
| 73. | Deep reverence |