<span>a. a substance that is naturally found in the brain</span>
Hey friend..
In some viruses, RNA contains the genetic information. RNA is of three types, they are tRNA (transfer RNA), mRNA (messenger RNA) and rRNA (ribosomal<span> RNA). Messenger RNA, as the name suggests acts a messenger. It carries genetic information sequences between </span>DNA<span> and ribosomes, and it also directs protein synthesis.
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brainlliest?</span>
Answer:
Mass is conserved in living systems through the processes of photosynthesis, cellular respiration, and the carbon cycle. It is demonstrated in cellular respiration through the process of braking down food to provide energy and releasing carbon dioxide.
Explanation:
The type of muscle found at the heart is the cardiac muscle tissue. This tissue has the phyical striped characteristic of a skeletal muscle tissue and works like a involuntary muscle because it works without our control
This type of tissue is packed wirh mitochondria which provides it with alot of energy. This is very crucial becaise the heart has to constantly beat
Cells in onion peels are dead and the ones in spinach are alive.
