Science_Grade7th_Genetic_Ch6n7.txt

"Science Grade 7th Genetic Chapter6-7,RNA,Mutation"

A change in gene or chromosome

RNA in the cytoplasm that carries an amino acid to the ribosome and adds it to the growing protein chain

RNA that copies the coded message from DNA in the nucleus and carries the message into cytoplasm

The material or protoplasm within a living cell, excluding the nucleus.

The cytoplasm is the gel-like substance residing within the cell membrane holding all the cell's internal sub-structures (called organelles), outside the nucleus. 

The nucleus is the control center of a cell. It contains the cell's hereditary information (DNA) and controls the cell's growth and reproduction.