Answer:
Cytosine
Explanation:
Cytosine can form three hydrogen bonds with guanine, and adenine can form two hydrogen bonds with thymine.
Answer:
During cellular respiration, glucose loses electrons wheras oxygen gains electrons.
Explanation:
Answer:
Answer is true.
Explanation:
A systemic circulation involves the supply of functional blood which is known as the oxygenated blood to cells or body tissues, and subsequently picks up carbon [iv] oxide and other waste products.
The erythrocytes are the red blood cells which when mixed with oxygen become bright red in color.
Note that, systemic tissues are where the oxygen from the heart are being released and the waste products are absorbed.
Answer:
b
Explanation:
earth's ocean did grew higher over time because o rainfall for the last 20 years!
