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Answer:
The gene for the protein is turned on and off at different times.
Explanation:
The turning on and off of the gene is described as gene regulation. This process is important because it enables the cells to react quickly to the changes in the environment.
Note that , this process mostly occur at transcription level during gene expression , and help in determining the amount of protein made by a gene.
Both will contain the sugar ribose and the base uracil
<span>The answer is Allopathic physicians </span>
Answer:
female gametophytes
Explanation:
The cell called megasporocyte (2n) is usually the mother cell of the megaspores, which are the female spores of spermatophyte plants.
After an meiosis, the megaspore mother cell (2n) will give rise to 4 megaspores (n). Three of these megaspores usually degenerate. The functional megaspore will then develop into the megagametophyte, which will be called the embryonic sac. Initially the megaspore grows and its nucleus divides.