CHEMICAL COMPOSITION OF CELLS

List 4 macro biogenic elements
1. C,O,H,N
2. Na,O,H,N
3. F,O,H,N
List elements occuring in a small amount
1. Ca, F, S, K,
2. O, F, S, K,
3. H, F, S, K,
Which answer is correct?
1. water makes up 60 - 90 % of cell mass
2. water makes up 30 - 50 % of cell mass
3. water makes up 6 - 9 % of cell mass
Which compound does not belong among low molecular compounds
1. polysacharides
2. nucleotids
3. amino acids
Proteins, nucleic acids and polysacharides are
1. high molecular = biopolymers
2. low molecular substances
3. inorganic substances
Among hexoses belong
1. glucose, fructose, galactose
2. glucose, fructose, lactose
3. glucose, fructose, maltose
Among disacharides belong
1. sacharose, maltose, lactose
2. glucose, fructose, galactose
3. sacharose, lactose, ribose
Among pentoses belong
1. ribose and deoxiribose
2. glukose, fructose, galactose
3. sacharose, lactose, maltose
Glycogen can be found
1. by animals
2. by plants
3. by fungi
Structural polysacharide by fungi is
1. chitin
2. cellulose
3. glycogen
Proteins with regulation function are
1. hormones
2. immunoglobulins
3. hemoglobin
Proteins with transport function
1. hemoglobin
2. hormones
3. immunoglobulins
Which chain is the base of proteins
1. polypeptid chain
2. polynucleotid
3. polysacharide
How many amino acids are there
1. 20 (21)
2. 22
3. 23
2 amino acids are connected by
1. peptide bond
2. primary bond
3. secondary bond