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Biomolecole/Biomolecules

Quiz by Francesco Piccolo

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Q 1/15
Score 0
Qual è la molecola che costituisce la maggior parte della membrana cellulare?
30
Acidi nucleici
Carboidrati
Proteine
Fosfolipidi
Q 2/15
Score 0
Qual è il monosaccaride più importante come fonte di energia nelle cellule?
30
Glucosio
Saccarosio
Fruttosio
Galattosio

15 questions

Q.

Qual è la molecola che costituisce la maggior parte della membrana cellulare?

1

30 sec

Q.

Qual è il monosaccaride più importante come fonte di energia nelle cellule?

2

30 sec

Q.

Qual è la principale funzione degli acidi nucleici nelle cellule?

3

30 sec

Q.

Qual è la funzione principale delle proteine all'interno delle cellule?

4

30 sec

Q.

Qual è la funzione principale dei carboidrati nella cellula?

5

30 sec

Q.

Qual è la principale funzione dell'RNA all'interno della cellula?

6

30 sec

Q.

Quale biomolecola costituisce la maggior parte del materiale genetico all'interno delle cellule?

7

30 sec

Q.

Qual è la molecola responsabile per il trasporto dell'ossigeno nel sangue?

8

30 sec

Q.

Quale classe di biomolecole svolge un ruolo importante nella regolazione delle reazioni chimiche all'interno delle cellule?

9

30 sec

Q.

What is the preferred energy source for cells?

10

30 sec

Q.

Which biomolecule stores and transmits genetic information?

11

30 sec

Q.

What is the main building block of proteins?

12

30 sec

Q.

What is the ratio of hydrogen to oxygen atoms in carbohydrates?

13

30 sec

Q.

What is the main structural component of cell membranes?

14

30 sec

Q.

Which biomolecule is responsible for catalyzing chemical reactions in the body?

15

30 sec

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BIOMOLECULES CARBOHYDRATES Carbohydrates CARBOHYDRATES THE MOST ABUNDANT ORGANIC MOLECULES IN NATURE HYDRATE DE CARBON i.e. HYDRATE OF CARBON or Cn(H2O)n Main source of ENERGY Provide some STRUCTUR PRECURSORs of many organic compounds – FATS, AMINO ACIDS STORAGE FORM of ENERGY (Glycogen Animals) (Starch Plants) 3 CARBOHYDRATES SIMPLE MONOSACCHARIDE – GLUCOSE, FRUCTOSE, GALACTOSE DISACCHARIDE – MALTOSE, SUCROSE, LACTOSE COMPLEX POLYSACCHARIDE – STARCH, GLYCOGEN, CELLULOSE, lmnbh 4 MONOSACCHARIDES BASED ON No OF C ATOMS BASED ON FNCTIONAL GROUP TRIOSES (C3H6O3) –GLYCERALDEHYDE, ALDOSE-GLECEALDEHY, DIHYDROXYACETONE GLUCOSE TETROSE (C4H8O4) – ERYTHROSE, THREOSE PENTOSE (C5H10O5) – RIBULOSE, ARABINOSE HEXOSES (C6H12O6) – GLUCOSE, KETOSE – DIHYDROXYACETONE, FRUCTOSE, FRUCTOSE GALACTOSE HEPTOSES (C7H14O7) – GLUCOHEPTOSE SO ON……… 5 SOME STRUCTURE OF MONOSACCHARIDE GLYCERALDEHYDE DIHYDROXYACETONE ERYTHROSE RIBULOSE GLUCOSE FRUCTOSE GALACTOSE 6 DISACCHARIDES : 2 MONOSACCHARIDE UNITS ( SIMILAR OR DISSIMILAR ) CRYSTALLINE, WATER SOLUBLE, SWEET IN TASTE MALTOSE : MALT SUGAR , SUCROSE : CANE SUGAR LACTOSE : MILK SUGAR DISACCHARIDES 7 POLYSACCHARIDES ALMOST INSOLUBLE NOT SWEET IDEAL STORAGE AND STRUCTURAL COMPONENTS STARCH, GLYCOGEN, CELLULOSE PEPTIDOGLYCAN, HYALURONIC ACID, AGAR, CHITIN POLYSACCHARIDES 8 STRUCTURAL POLYSACCHARIDES CELLULOSE MOST ABUNDANT ORGANIC SUBSTANCE IN PLANT KINGDOM PREDOMINANT CONSTITUENT OF PLANT CELL WALL TOTALLY ABSENT IN ANIMALS CHITIN FOUND IN INSECTS ,PROVIDE STRENTH AND ELASTICITY 9 THANK YOU……… 10
9A Biomolecules DOL