Answer:
C)All of the choices are correct.
Explanation:
The major blood types include; A, B,AB and O. Type A has A antigens, B has B antigens AB has both A and B antigens and O has neither.
A person's immune system produces antibodies against any antigens not found in his blood.
Before giving a blood transfusion, it is necessary to determine the blood type of the recipient and that of the donor so that blood can be appropriately matched. This is called blood typing. This helps prevent ABO incompatibility which might lead to several fatal symptoms and reactions. These include;
Fever and chills
Abdominal, back and chest pains
Jaundice
Nausea
Muscle pains
Systemic shock and organ failure.
Answer:
because the codon reads 3 bases at a time
The answer is Archaeopteryx.
Archaeopteryx is a bird-like dinosaur. It lived in an archipelago of islands that later formed Europe 150 millions of years ago. It was a raven-size. It had a feather and wing and was able to fly. Despite that, it was more similar to the dinosaurs than the modern birds, with its sharp teeth, claws, and skeleton. Nevertheless, it<span> represents transitional fossil between reptilia and birds.</span>
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