Answer the following statements true (T) or false (F)
1. The combination of an antigen and antibody can activate complement.
2. Complement is a group of proteins that are usually found in an inactive form in the blood.
3. Complement kills cells by drilling holes in the cell membrane, which allows sodium to rapidly leave the cell.
4. Complement kills cells by drilling holes in the cell membrane, which allows water to rapidly leave the cell.
5. Neutrophils are important phagocytes in the immune system.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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Besides chromosomes, what else does the sperm provide to the zygote that is necessary for cell division to occur?
A. Centrosome B. Enzymes C. Mitochondria D. All of the choices are correct.
In which of the following locations could you find simple cuboidal epithelial tissue?
A. Lining of the trachea B. Lining of the alveoli of the lungs C. Kidney tubules D. Stomach lining E. Outer surface of the skin (epidermis)
Which disorder is characterized as cancer of the plasma cells in the bone marrow?
A. Multiple myeloma B. Lymphadenitis C. Elephantiasis D. Lymphoma
Which structure in a spermatozoan contains the only structure of its kind found in the human body?
A) midpiece B) tail C) acrosome D) head E) None of the answers are correct.