Answer:
Spermiogenesis
Explanation:
Spermiogenesis is the stage during which the haploid spermatids are matured into sperms. It does not include any cell division.
The process of spermiogenesis includes elongation of spermatids and formation of acrosome at the top of its nucleus. A flagellum develops to make it a motile cell. There is an increase in the number of mitochondria while the excess of the cytoplasm is released outside.
All these events mature the haploid spermatid into a sperm cell having the capacity to reach and fertilize the egg.
Answer:
Nematocysts, the most widely used term to describe the “stinging capsules” characteristic of the phylum Cnidaria, constitute the best-studied and most diverse group of cnidae, the secretory products of cnidocytes. All cnidae consist of a collagenous capsule containing an eversible tubule.
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Answer:
Plant cells need both chloroplasts and mitochondria because they perform both photosynthesis and cell respiration.
Explanation:
Chloroplast converts solar energy into chemical energy during photosynthesis, while mitochondria, the powerhouse of the cell, produces ATP- the energy currency of the cell during respiration.
Answer:
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