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Which of the following nuclides are most likely to decay via positron emission?
Chromosomes
Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA).
Sperm
The male reproductive cells capable of fertilizing a female's egg to produce offspring.
Egg
The female reproductive cell or gamete in animals and plants; an ovum.
Vagina
A muscular tube connecting the external genitals to the cervix of the uterus in females, part of the reproductive system.
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