3. Heart (The heart pumps oxygen thro our entire body, continuously)
4. Blood Vessels (In humans, nutrients are carried thro blood vessels)
I hope that helps!
Answer:
A purine always forms a complementary base pair with a pyrimidine.
Explanation:
Purine bases such as Adenine pair specifically with Thymine , a pyrimidine base forming two bonds; just as Guanine pair specifically with Cytosine forming three bonds.
This specific base pairing are complimentary in nature and grants stability to the DNA.
emotional comfort. according to some studies in psychological science, chicken soup is good for your emotions. the soup plays a great role in reducing the irritation that accompanies common cold. it emotionally and psychologically makes an individual to feel better. in fact individuals are encourage to over eat chicken noodle in the duration they suffer from the common cold.
I think the answer to this is C.
