Answer:
The answer you are looking for is A.
Hi!
During protein synthesis,
introns are removed.
and
exons are joined.
So, B.
Established on the data, sickle cell hemoglobin displays altered primary structure and altered quaternary structure; the secondary and tertiary structures may or may not be altered. The sickle cell disease is a cluster of disorders that disturbs hemoglobin, the molecule in red blood cells that transports oxygen to cells all over the body. A person with this disorder have uncharacteristic hemoglobin molecules named hemoglobin S which can interfere with red blood cells into a sickle or crescent shape.
Answer:
the heart rate will increase just googled it
a nucleolus is a small spherical structure found in the nucleus of a cell, it takes up about 25% the space in rhe nucleus and synthesises ribosome
