Biochemical Puzzles

Puzzle 1: Find seven hydrosoluble vitamins

N X S Y R F Q V W C B Y Q E R

N I L T O O H G O W I K W N Z

D K V L P S L C Y U O D N I L

E Q A A L R S Q W L T K L X V

N T V T L M A U I O I X K O G

O S T D K F N R N J N Y O D W

N A H Q S S O I F L X O H I I

F I D M K A M B R C Y M L R W

V Q A R H A M D I C K W U Y T

Q X V C L T W Y W R O X Q P Q

O A D A I T H I A M I N E T P

A F B Q Z N E Z T S V Q H Z V

P O S S N W A T Y M U U C M U

C B Q X T Z V B K X O G Q S W

P E W M X E J S F J P R H H Q

Puzzle 2: Carbohydrate Crossword

(Tip: save the crossword as a picture and print it. Then use a pencil to solve it) 










Across

3. Minor disaccharide that can be obtained from starch hydrolysis

5. The main kind of carbohydrate in foods. Also the way in which glucose is stored in plants.

7. The way in which glucose is stored in animals

12. The ketotriose

14. A ketohexose

15. Milk sugar

16. Pentose forming DNA

17. A polyalcohol related to the formation of cataracts in diabetic patients

18. An amino sugar

19. A tetrose

20. A polyalcohol related to the formation of cataracts in patients with galactosemia

21. C-2 epimer of glucose



Down

1. The lineal molecule found in starch granules

2. A heteropolysaccharide with anticoagulant effects.

4. A heptose

5. Table sugar

6. An aldohexose found in lactose

8. “Blood sugar”

9. An aldotriose

10. The branched molecule forming starch granules

11. Pentose forming RNA

13. Polysaccharide with a structural rol in plants

21. Main disaccharide obtained from starch hydrolysis



Puzzle 3: Organize the tiles!



When you organize these tiles, you will find a phrase describing a feature of biological catalysts, that in fact is common to all catalysts:









Puzzle4: Solve this amino acid crossword:



ACROSS

1. amino acid positively charged at physiological pH
3. acidic amino acid
6. amino acid that can form disulfide bridges
7. aromatic amino acid
8. basic amino acid
10. polymer of amino acids
11. branched chain amino acid
12. amino acid with OH group in the lateral chain


DOWN

1. apolar amino acid
2. polar, non charged, amino acid
4. negatively charged amino acid at physiological pH
5. imino acid
9. the smallest amino acid





Puzzle 5: Find the names of ten carbohydrates:







Puzzle 6: Find the metabolites of the Krebs Cycle:



 
SOLUTIONS

Puzzle 1:SOLUTION TO CARBOHYDRATE PUZZLE

GLUCOSE           GLYCOGEN           MALTOSE           RIBOSE

FRUCTOSE        ERYTHROSE         SUCROSE          GLYCERALDEHYDE

GALACTOSE       LACTOSE



Puzzle2: SOLUTION TO KREBS CYCLE METABOLITES PUZZLE:

SUCCINYLCOA                        SUCCINATE                          ALFAKETOGLUTARATE
MALATE                                    CITRATE                               FUMARATE
ISOCITRATE                            OXALACETATE                    ACETYLCOAA




Puzzle 3: Solution to the Tiles problem about biological catalysts

Organizing Tiles: Q: When you organize these tiles, you will find a phrase describing a feature   of biological catalysts, that in fact is common to all catalysts



Puzzle 4:  ENZ/YME/S D/O N/OT /CHA/NGE/ TH/E E/QUI/LIB/RIU/M O/F T/HE / REA/CTI/ ONS

Puzzle 5: Solution to:Find seven vitamins

BIOTIN

COBALAMIN

FOLATO

NIACIN

PYRIDOXINE

RIBOFLAVIN

THIAMINE

N + + + + F + + + + B + + E +

+ I + + O + + + + + I + + N +

+ + V L + + + + + + O + + I +

+ + A A + + + + + + T + + X +

+ T + + L + + + + + I + + O +

O + + + + F + + N + N + + D +

N + + + + + O I + + + + + I +

+ I + + + + M B + + + + + R +

+ + A + + A + + I + + + + Y +

+ + + C L + + + + R + + + P +

+ + + A I T H I A M I N E + +

+ + B + + N + + + + + + + + +

+ O + + + + + + + + + + + + +

C + + + + + + + + + + + + + +

+ + + + + + + + + + + + + + +

(Over,Down,Direction)

BIOTIN(11,1,S)

COBALAMIN(1,14,NE)

FOLATO(6,1,SW)

NIACIN(1,7,SE)

PYRIDOXINE(14,10,N)

RIBOFLAVIN(10,10,NW)

THIAMINE(6,11,E)