H H II II
threonine - proline -N-C-0
lys
CH2 o
1
CH2 - C OH
glutamic acid
Normal
hemoglobin
Amino acid
substitution
H н но
II II
threonine-proline —N-C-0-lys
H3C - CH - CH3
valine
Sickle cell
hemoglobin
1. What is the difference between the normal hemoglobin and sickle cell hemoglobin?
2. What portion of the normal hemoglobin is identical to the sickle cell hemoglobin?
3. Write down two questions that you have about each of the hemoglobin based on your observations.

bc blah

explanation:

bc blah

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!

the oldest known insects are believed to live around 400 millions ago as suggested by the fossil records.   some plants having woody stems also evolved during this time.

after the evolution of insects the first four legged species or the tetrapods evolved in shallow freshwater habitats from the intermediate species approximately 397 million years ago. the tetrapods went on conquering the land giving rise to amphibians, reptiles, mammals and birds.

the major split in tetrapods first occurred 340 million years ago branching off from amphibians.

363 million years ago when the carboniferous period began the insects started roaming on land and taking flights, following which the four limbed tetrapods adapted in the terrestrial habitat.