Answer:
they are smaller then cells
Explanation:
they are composed of many atoms
Apoptosis is programmed cell death. The body is this to get rid of unneeded or abnormal. The body will get rid of cells with damaged DNA before they can become cancerous.
The effect of chemical pollution on insects living in a pond i think
Answer:
A) A mutation in a single gene can result in a defective protein.
Explanation:
This hypothesis states that one gene codes for one protein-enzyme, so consequently, if mutation occurs in that gene, the enzyme will not work properly. This hypothesis was very important for the fundamental discoveries of molecular biology, but it is oversimplified meaning that relationship between genes and proteins is much more complex.
