★ Biology Quiz
the cells in plant leaf are impermeable , due to the presence of …….. substance.
A. cutin
B. cellulose
C. lignin
D. suberin
Select your answer:
Topics:
Infectious Disease and Pathogens Urinary System Population Genetics Muscular System NCHSE Enzymes and Metabolic Pathways Dermatosis Medical Careers Nutrition Gaseous Exchange in Humans Hospice Basics Blood Disease, Immunity, and Phatogens A&P Musculoskeletal DNA, RNA, Proteins Components of Physical FitnessOther quiz:
Digestive System Medical Terminology › ViewRemoval of the spleen
A. gastroduodenostomy
B. gastrectomy
C. gastroenterology
D. splenectomy
Immunology › View
You have a patient who makes autoantibodies against his own red blood cells, leading to hemolysis. Which one of the following mechanisms is MOST likely to explain the hemolysis?
A. Neutrophils release proteases that lyse the red cells.
B. Perforins from cytotoxic T cells lyse the red cells.
C. Complement is activated, and membrane attack complexes lyse the red cells.
D. Interleukin-8 binds to its receptor on the red cells, which results in lysis of the red cells.