1) Ribosomes
2) Nucleus
3) Mitochondria
Hope this helps!! :)
There are three domains, and six kingdoms.
Answer:
Sertoli cells
Explanation:
The Sertoli cells nourish and protect the developing sperm cells, and spermatogenesis—the developmental pathway from germ cell to mature sperm—occurs in the recesses of the Sertoli cells (Figure 19.17)
<span>pollution, mineral location, and new energy sources
space exploration and national defense
microbiology advancements and cloning procedures
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could use less heat and air conditioning, lighting, electronics in our homes. Drive gasoline cars less often, and walk more. stop buying new clothes as much, and recycling used. use renewable energy sources like wind and solar power.
