Answer:
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Explanation:
Two groups of proteins, called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress of the cell the. A phosphatase is an enzyme that removes a phosphate group from a protein. Together, these two families of enzymes act to modulate the activities of the proteins in a cell, often in response to external stimuli. Rough the various checkpoints. What genes destroy cancerous cells? The primary function of the p53 gene is to repair or destroy defective cells, thereby controlling potential cancerous cells. This type of gene is called an anti-oncogene or tumor suppressor gene Cancer growth blockers are also called cancer growth inhibitors. They are a type of targeted cancer drug. Our body makes chemicals called growth factors that control cell growth. Cancer growth blockers work by blocking the growth factors that trigger cancer cells to divide and grow.
There are many types of cancer growth blockers that work in different ways..
A sudden change in the weather is caused by an air mass.
Answer:
When occurs in gametes
Explanation:
Mutations are changes in DNA sequence that can create genetic variation within the population and thus are the ultimate source of new alleles . Mutations can occur as a result of mistake during the DNA replication, under the influence of environmental factors (UV radiation, chemical agents). They can be harmful, beneficial, neutral. Based on the location of cell mutation, they can be divided into:
- somatic mutation-within the somatic cells, these mutations affect only the parents (not inherited)
- germline mutation-within gametes, can be inherited on offspring.
