Only the bases varies from one nucleotide to another.
Answer:
The circulatory system, also known as the cardiovascular system, is a simple loop which starts, and ends, with your heart. It is a closed system, meaning blood does not enter or leave the system during its journey from your heart to your body and back again.
Explanation:
Answer:
The air at the equator is warmer and less dense and the air at the polls is cooler and more dense
Explanation:
air at the equator is constantly warm, has denser air, and barely cools and the polar regions are cooler therefore that means it is dense
Answer:
Internal response; when a person is infected by a bacteria or virus, the immune system springs into action to fight against the infections. Geotropism and phototropism are dealing with plants and they way they grow, while fight or flight is a physiological reaction by the human body in stressful situations-- so they are incorrect.
Explanation:
If you get it right, can I have brainliest? :)
The left ventricle must contract with more force in order to send blood to the body's extremities
I hope this helps! I'm happy to answer any other questions you might have :)