Which organelles are involved with energy conversion? a).mitochondria and chloroplasts b).mitochondria and ribosomes c).smooth and rough endoplasmic reticulum d).golgi apparatus and chloroplasts

Which of these is the most likely consequence of falling petroleum price

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.