This is because not all genes are expressed at the same time, so not all the proteins are present at a certain moment. The mechanisms that cell uses to control gene expression are called regulation of the gene expression. Thanks to regulation of the genes, cells have the ability to increase or decrease the production of specific gene products such as proteins. This property is important for the adaptability of an organism because it allows the cell to express protein when needed.
Answer:
The fusion of a egg and a sperm produces a zygote with 46 (2n) chromosome number.
Answer:
C.
Explanation:
This is because cellular respiration produces C02, which photosynthesis uses.
Answer:
When it needs water it will release oxygen into the atmosphere. That makes more room for water and it can suck it up.
Explanation:
