Ritesh Sharma
1 year, 5 months ago
got points
+2
for adding
A.
Hydrogen bond is that bond formed between electronegative atom of one molecule and hydrogen atom of another molecule. Represented by dotted line. eg. H-F....H-F
link
for
Q.
Can anyone explain me hydrogen bond?
answer
+2
=
+1 (voting result)
*
1 (level diff)
*
2 (item owner bonus)
1 year, 5 months ago
Ritesh Sharma
1 year, 5 months ago
got points
+2
for adding
A.
It is because AIDS spread from infected individual to healthy person only through fluid. Like having sex with multiple partners or AIDS patient, careless blood transfusion or by the use of infected...
link
for
Q.
Why AIDS doesn't spread by mere touch or hand...
answer
+2
=
+1 (voting result)
*
1 (level diff)
*
2 (item owner bonus)
1 year, 5 months ago
Ritesh Sharma
1 year, 5 months ago
got points
+2
for adding
A.
Due to presence of a red pigment- haemoglobin , it is red in colour and it helps in transportation of Oxygen in our body
link
for
Q.
Why RBC is red in colour and what is its...
answer
+2
=
+1 (voting result)
*
1 (level diff)
*
2 (item owner bonus)
1 year, 5 months ago