The correct answer is ... B) a nucleus. DNA is found, tightly coiled in chromosomes in the nucleus.
You seem to have forgotten to include the statements we are supposed to select from. However I still wish you good luck !
C <span>less contaminants would flow into the drainage basin</span>
Answer:
All cells come from pre-existing cells
Explanation:
<h2>True </h2>
Explanation:
Blood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body
Some antigens can trigger a patient's immune system to attack the transfused blood, safe blood transfusions depend on careful blood typing and cross-matching
There are four major blood groups determined by the presence or absence of two antigens: A and B on the surface of red blood cells
In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present or absent creating the 8 most common blood types which are A+,A-.B+,B-O+,O-,AB+,AB-
Blood type is inherited and it is determined by the blood type of both father and mother
Blood type helps in DNA fingerprinting and forensic science and plays an important role in determining blood relations or to identify the suspect