<span>a foot or more in length, and each cell contains hundreds of nuclei</span>
What book is this ? what question is this for ?
Answer:
The correct answer will be option-A
Explanation:
The centrifugation of the blood shows that 45% of the blood is composed of the cellular content and 55% blood plasma or liquid.
Erythrocytes or red blood cell constitute for about 41% of the total blood cells which transports the oxygen by binding it to the haemoglobin. The presence of haemoglobin is the reason the cell appears red which cause the color of the blood to appear red.
The remainder of the cell is white blood cells or leukocytes which play important role in providing the defence mechanism against the pathogen.
Thus, option-A is the correct answer.
The following that is not considered as a form of Vitamin A from the give choices is "retinalogic." Retinal is a molecule important for our vision. Retinoic acid regulates the functions of Vitamin A for muscle development. Lastly, retinol is used as a component in dietary supplements.
Answer:
The answer to this expression a/5+4= a+20/5
Explanation:
Lowest common factor is 5
a/5+4 now gives a+20/5
