The answer is hydrogen bonds
Answer: 1, 2, 5 is the correct answer
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Explanation:
The testicles take on sperm production
Body fossils include bones, teeth, claws and skin. Therefore the answer would be A, imprints.
Answer:
Without DNA, cells could not reproduce, which would mean the extinction of the species. Normally, the nucleus makes copies of chromosomal DNA, then segments of DNA recombine, and next the chromosomes divide twice, forming four haploid egg or sperm cells.
Explanation:
