If in an eight-cell embryo of an organism, the cells of the upper tier are aligned over the cells of the lower tier at a slight angle, it is likely that the organism is a vertebrate.
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Answer:
Protein
Explanation:
A protein is a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds. Proteins are present in all living organisms and include many essential biological compounds such as enzymes, hormones, and antibodies.
Answer:
O donors can donate to other type
Explanation: the reason is that O type blood can donate to type A, B, AB and O is Compatible to other type of blood - but Kidney transplants need the same type of blood.
Answer:
what?
Explanation:
i dint get it is there a joke or somthing
