Answer:
i think answer B is correct
The time when you can't see any of the moon at all is called "New Moon".
14.77 days later, the phase is "Full Moon".
Answer:
In an organ, different tissues work together to carry out a particular function. These are the main organs, as well as their primary function:
The brain controls thoughts, memory and other organs.
The heart pumps blood around the body.
The lungs separate oxygen from the air and remove carbon dioxide from the blood.
The stomach helps to digest food.
The intestines absorb nutrients from food.
The liver removes poisons from the blood.
The kidneys filter blood and produce urine.
The bladder stores urine.
The skin protects and contains the other organs.
A virus cannot infect a host cell unless i<span>t's surface proteins fit receptor molecules on the host cells surfaces. And in order to reproduce it must first infect a host cell.
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Answer:
D. DNA in both daughter cells would be radioactive.
Explanation:
DNA replication is a semiconservative process in which each parental strand serves as a template for the synthesis of a new complementary daughter strand. The central enzyme involved is DNA polymerase, which catalyzes the joining of deoxyribonucleoside 5′-triphosphates (dNTPs) to form the growing DNA chain.
