Answer:
The correct answer is - option B. They are small because they lack a nucleus.
Explanation:
Red blood cells or erythrocytes are specialized cell that produce in bone marrow and have specific role such as carrying oxygen from lungs to deliver it to the various organs and carry out carbon dioxide.
In mammals these cells lack cell organelles such as nucleus and mitochondria, a major factor that determined its smaller size. The size of RBC are move through narrow vessels throughout a organism because of its specific size and shape that provide it space for hemoglobin and allow to be flexible and bend to move through narrow vessels.
Thus, the correct answer is : option B. They are small because they lack a nucleus.
Can you add the picture or describe it to me? Right now I'd guess that it's probably bacteria because bacteria breaks it down into ammonium and nitrate, which is taken up by the plants by a process of nitrogen fixation. So, D.
This is what I found on the internet: Ethanol The alcohol which is produced<span> as a result of fermentation of sugars by </span>yeast<span>. fermentation A term for respiration in the absence of oxygen. </span>glucose<span> A simple sugar made by the body from food, which is used by </span>cells<span> to make energy in respiration. lactic acid A toxic chemical </span>produced<span> during anaerobic respiration.</span>
C. The answer should be c, seeing as how bacteria die under high heat.
Answer:
C. factories
Explanation:
Factories release several gases and waste thata re toxic to the environment and considered pollutants.
