| Petri-dish contents | 19 |
| Petri dish medium | 17 |
| Petri dish layer | 16 |
| Petri dish contents | 19 |
| Laboratory medium | 17 |
| Lab-culture medium | 18 |
| Lab gel medium | 14 |
| Jelling agent | 13 |
| Ice cream thickening agent | 26 |
| Gelling agent in some foods | 27 |
| Gelatin in a petri dish | 23 |
| Food gelling agent | 18 |
| Dessert gelatin | 15 |
| Chinese isinglass | 17 |
| Bio lab gel | 11 |
| Bacterial culture base | 22 |
| Bacteria's culture | 22 |
| Actor who married Shirley Temple | 32 |
| Actor John, once married to Shirley Temple | 42 |
| Vegan's gelatin substitute | 30 |
| Type of gel | 11 |
| Thickener made from seaweed | 27 |
| The first Mr. Shirley Temple | 28 |
| Source of gelose | 16 |
| Seaweed gelatin | 15 |
| Scientific culture | 18 |
| Petri-dish stuff | 16 |
| Petri-dish medium | 17 |
| Petri-dish gel | 14 |
| Oriental soup ingredient | 24 |
| Microbiologist's gel | 24 |
| Kanten, e.g. | 12 |
| Ice cream additive | 18 |
| Gelling substance | 17 |
| Gelation agent | 14 |
| Gelatin made from seaweed | 25 |
| Gelatin alternative | 19 |
| Gelatin | 7 |
| Gel made from seaweed | 21 |
| Gel in biology class, perhaps | 29 |
| Gel in a lab | 12 |
| Food thickening agent | 21 |
| Emulsifying agent | 17 |
| Edible seaweed product | 22 |
| Culture medium gelatin | 22 |
| Culture goo | 11 |
| Culture developer | 17 |
| Culture contents | 16 |
| Cultural medium? | 16 |
| Biochemist's gel | 20 |
| Bio lab gelatin | 15 |
| Algae product | 13 |
| Algae extract | 13 |
| Actor John of "Sands of Iwo Jima" | 43 |
| Where bacteria may flourish | 27 |
| When repeated, it's Malay for "jelly" | 51 |
| What E. coli eat | 16 |
| Wayne's "Sands of Iwo Jima" co-star | 49 |
| Vegan gelatin substitute | 24 |
| Thickener quickener | 19 |
| The People's Choice author | 33 |
| Temple's first spouse | 25 |
| Temple's first | 18 |
| Temple ex | 9 |
| Stuff in a petri dish | 21 |
| Staph dining area? | 18 |
| Solidifying agent | 17 |
| So-called "Chinese gelatin" | 37 |
| Shirley Temple's first | 26 |
| Seaweed gel | 11 |
| Seaweed extraction | 18 |
| Red alga | 8 |
| Pulitzer-winning author Herbert | 31 |
| Product of red seaweeds | 23 |
| Petri-dish matter | 17 |
| Petri-dish filler | 17 |
| Petri dish mixture | 18 |
| Petri dish contents, sometimes | 30 |
| Petri dish content | 18 |
| Microbiologist's medium | 27 |
| Microbiologist's material | 29 |
| Medium used to culture organisms | 32 |
| Medium in bio labs | 18 |
| Medium in a petri dish | 22 |
| Medium for Pasteur | 18 |
| Medium for germs | 16 |
| Med-tech's medium | 21 |
| Late-show actor John | 20 |
| Lab material | 12 |
| Lab jelly | 9 |
| Lab growth medium | 17 |
| Lab gel made from seaweed | 25 |
| Lab agent | 9 |
| Journalist/writer Herbert | 25 |
| John who wed Shirley Temple | 27 |
| John who was once married to Shirley Temple | 43 |
| John who married Shirley Temple | 31 |
| John who co-starred in "Sands of Iwo Jima" | 52 |
| John of "Sands of Iwo Jima" | 37 |
| John of "Fort Apache" | 31 |