Light-sensitive cells in the retina at the back of our eye allow us to see. The human eye has two types: cones and rods. Rods are extremely efficient; a tiny amount of light can trigger them. They are responsible for our night vision.
Answer:
The lytic cycle and the lysogenic cycle
Explanation:
Answer:
People with type O- blood are called universal donors because their donated red blood cells have no A, B or Rh antigens and can therefore be safely given to people of any blood group.