During replication strands of DNA separate from each other when bonds are broken between.. A. phosphates
B. deoxyribose sugars
C. nitrgen bases
D. amino acids

In the human body fibrinogen is necessary for sealing cuts and stopping the loss of blood. since fibrinogen is made of chains of amino acids it is an example of which type of organic molecule

9. the history of life on earth is recorded in

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings