biomol 3 Flashcards
M.P of Palmitic acid is?
63.1C
M.P of butyric acid is?
-8C
how many amino acids found in cell
170
how many a.a constitutes protein
25
most protein are made of how many a.a
20
waxes are mixtures of long chain alkanes (with _ number of carbons atoms ranging
from C_ to C_)
odd
25 to 35
Nitrogenous bases such as _ _ and _
are important components of phospholipids.
choline, ethanolamine and serine
head of phospholipid containing phosphate is
polar hydrophilic
fatty acid of phospholipid is
non polar hydrophobic
Amino acid differ by nature of?
R group
was the first scientist who determined the sequence of amino acids
in a protein molecule.
. F. Sanger
insulin is composed of
amino acids in_ chains.
51
two
One of the Insulin chains had _ amino acids and the other had _ amino acids
21
30
Haemoglobin is composed of _ chains
four chains, two alpha and two beta chains.
Each alpha chain of Hb contains _ amino acids, while each beta chain contains _ amino acids
141 alpha
146 beta
282 + 292 = 574 total amino acids in hb
hb is _ protein
globular
The a-helix of secondary structure of protein
is a very uniform geometric structure with _ amino acids in each turn of the helix.
3.6
The helical
structure is kept by the formation of _ bonds among amino acid molecules
hydrogen bonds
_ structure of protein exists in Hb
quarternary
Nucleic acids were first isolated in _ by _
1869 by F. Miescher
Pyrimidine are _ ringed
single
purine are _ ringed
double
pyrimidine bases are
Cytosin
thymine
uracil
purine bases are
adenine
guanine
