they use the waves that are formed to see and learn about the different layers there are in Earth's crust
Answer:
Ribosomes are found 'free' in the cytoplasm or bound to the endoplasmic reticulum (ER) to form rough ER.
Explanation:
In a mammalian cell there can be as many as 10 million ribosomes. Several ribosomes can be attached to the same mRNA strand, this structure is called a polysome.
Answer:d. allow water to cross the plasma membrane via facilitated diffusion
Explanation:yeah
Idk the options but it could be genetic variation
