What is a pentagonal ring called?
Furanose Ring
What is a hexagonal ring called?
Pyranose Ring
What is the composition of living tissue?
C, O, H, N
Most abundant chemical in living organisms?
Water
First respiratory substrate?
Carbohydrates
Second most abundant organic molecule on earth?
Chitin
Hyaluronic acid is also known as?
Animal cement
Plant cement is?
Pectin
simplest amino acid?
glycine
Most complex amino acid?
Tryptophan
Deficiency of protein lead to?
Kwashiorkor
Variations in protein are due to?
Sequence of proteins
Which sugar is found only in mammals?
Lactose (milk sugar) (mammary glands produce milk)
Which type of Rna is present the least?
m-RNA (5%)