Answer:
First, it transports blood with oxygen and nutrients to cells all over the body. Second, it picks up waste products from the cells to be transported out of the body, and it takes the deoxygenated blood back to the lungs so it can regenerate.
Answer:
(c) G1 cyclins will be expressed during the S phase
Explanation:
In those cases in which G cyclins are constitutively expressed, the G1 phase will be shortened
According to the Doppler effect, the sound of a police car siren is louder and high pitched as it approaches the observer.