B. The mitochondria section stores all the cells energy
The right answer is 4).
The cytoskeleton is made up of biological polymers of proteins, sometimes called fibers because of their large size at the cellular level. They are classified into three categories:
Microfilaments: involves in cytoplasmic phenomena (division, endocytosis, migration).
Intermediate filaments: Maintenance of the nucleus structure.
Microtubules: Involved in the separation of chromosomes during mitosis.
the brain is the main organ in the CNS it control the whole body its a common mistake to think the is a tissue and not an organ
Answer:
d. lead
Explanation:
Sulfur, Hydrogen and Oxygen are found in amino acids.
It helps you get more strengh to work out more