Question

Biochemical Tests crossword puzzle:

Across

5 Anaerobic metabolism
6 Crusty growth on broth
8 Cloudy growth in broth
10 Smooth growth on slant
11 Another name for glucose
13 Hydrolyzed collagen
15 Possible sole carbon source
16 Bacterial movement
17 Test use of milk nutrients (2wds)
20 Hydrolyzes starch
22 Bacteria settled to bottom of broth
23 Milk sugar
27 Test for acetoin
28 Produces clear zones in skim milk agar
29 pH indicator in sugar fermentation tubes (2wds)

Down

1 Produced from tryptophan 2 Group of 4 tests
3 Red when acidic (2wds)
4 Turns SIM black
7 Catalysts secreted by the cell
9 Inverted tube to trap gas
12 Tests for lipase
14 Common liquid medium (2wds)
16 Sticky surface growth on broth
18 Breaking macromolecules with addition of water 19 Snowy appearance in broth culture
21 E. coli produces this from glucose (3wds)
24 Spiky growth on slant
25 Breaks down hydrogen peroxide
26 Product of amino acid degradation

Answer 1

Across

5 Anaerobic metabolism - fermentation
6 Crusty growth on broth -
8 Cloudy growth in broth - turbidity
10 Smooth growth on slant - filiform
11 Another name for glucose - Dextrose
13 Hydrolyzed collagen - gelatin
15 Possible sole carbon source - glucose
16 Bacterial movement - motility
17 Test use of milk nutrients (2wds) - infrared spectroscopy
20 Hydrolyzes starch - amylase
22 Bacteria settled to bottom of broth - sediment
23 Milk sugar - lactose
27 Test for acetoin - Voges-Proskauer
28 Produces clear zones in skim milk agar - caseinase
29 pH indicator in sugar fermentation tubes (2wds) - phenol red

Down

1 Produced from tryptophan - urea

2 Group of 4 tests - IMVIC
3 Red when acidic (2wds) - methyl red
4 Turns SIM black - sulfur
7 Catalysts secreted by the cell - enzymes
9 Inverted tube to trap gas - Durham
12 Tests for lipase - fats
14 Common liquid medium (2wds) - nutrient broth
16 Sticky surface growth on broth - pellicle
18 Breaking macromolecules with addition of water - hydrolysis

19 Snowy appearance in broth culture - flocculent
21 E. coli produces this from glucose (3wds) - acid and gas
24 Spiky growth on slant - friable

25 Breaks down hydrogen peroxide - catalase
26 Product of amino acid degradation - pyruvate