Acidity.
If it has less acid it is considered an alkaline
If it has more acid it is acidic
Out of the following
given choices;
a. Valine instead of glutamic acid in the
sixth position
b. Glutamic
acid replacing valine in the first position
c. Extensive
amino acid substitutions
d. Trinucleotide
repeats
e. Frameshift substitutions
The answer is A. this is caused by a mutation in the beta
thalassemia genes on one of the 46 human chromosomes (chromosome #11) of the individual.
The alpha subunit is normal in people with sickle cell disease. When sickle
hemoglobin releases oxygen in the peripheral tissues, the molecules tend to
stick together and form long chains or polymers. These rigid polymers distort
the cell and cause it to bend out of shape from
the normative disc shape.
The answer is A: Polyploidy is a condition in which an organism acquired more than the normal amount of chromosomes.
Hope this helps.
This link should help you understand http://www.universetoday.com/20289/phases-of-the-moon/#
