Adenine pairs with thymine (or uracil), and guanine pairs with cytosine.
Answer:
A
Explanation:
are attracted to other types of particles.
All living cells arise from pre existing cells.
Sperm need temperatures between 2 to 10 degrees Centigrade lower and then the body temperature to develop. This is the reason why the testes are located in a bag of skin called the scrotal sacs<span> (or </span>scrotum<span>) that hangs below the body and where the evaporation of secretions from special glands can further reduce the temperature and adjust to the temperature it needs.
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