Answer:
Y- x+ Y-
Explanation:
when an atom loses electrons the atom the result is a positive ion. when an atom gains an electron, the result is a negative ion
C no because many species went extinct without leaving fossils behind
Can you clarify your question ? Otherwise these are are true .Plants do need sunlight ,water and a bit of essential minerals to maintain homeostasis and photosynthesis .
Answer:
Three major classes of RNA found in the cell are:
Explanation:
- Messenger RNA: function is to carry the genetic code from the nucleus to the cytoplasm.
- Ribosomal RNA: is present in the cytoplasm of the cell. ribosomal RNA plays a major role in the synthesis of protein.
- Transfer RNA: is present in cellular cytoplasm, the function of tRNA is to transfer the amino acids to the ribosome.