Answer:
During exercise, your heart typically beats faster so that more blood gets out to your body. Your heart can also increase its stroke volume by pumping more forcefully or increasing the amount of blood that fills the left ventricle before it pumps.
Answer:
the nucleoid
Key Points. Prokaryotic cells lack a defined nucleus, but have a region in the cell, termed the nucleoid, in which a single chromosomal, circular, double-stranded DNA molecule is located.
Answer: rRNA
Explanation: mRNA is the messenger RNA (sequence determined by DNA) and it exits the nucleus and meets the tRNA (transfer RNA) in the ribosome or more specifically the rRNA (answer). I’m not sure what siRNA is, but I’m 99% sure the answer is rRNA.
Answer:
In the scenario given above, Elodea Canadensis which produces extremely high amount of oxygen is used in raising fishes placed in a tank. This oxygen is needed for easier living in the tank. <em>In a situation whereby the Elondea Canadensis is not present in the tank, the fish would struggle to leave comfortably in the tank. with time, the water will become clouded with carbon-dioxide. This would lead to the fish dying due to lack of oxygen.</em>
Explanation: