Why it is critical that the peroxisome is a membrane-bounded organelle?
What will be an ideal response?
Peroxisomes form hydrogen peroxide which accumulates within the peroxisome. An enzyme catalyzes the reaction by turning the excess hydrogen peroxide into water and oxygen. Without compartmentalizing excess hydrogen peroxide in the peroxisome, this toxic chemical would damage the cell.
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The rotary effect created by an eccentric force defines what?
A. torque B. moment of force C. rotary force D. all of the above
The velocity of blood flow is ________
A) slower in the veins than in the capillaries because veins have a large diameter B) slowest in the capillaries because the total cross-sectional area is the greatest C) in direct proportion to the total cross-sectional area of the blood vessels D) slower in the arteries than in capillaries because arteries possess a relatively large diameter
Which of the following is not a synovial joint?
A) Hinge B) Condylar C) Symphysis D) Ball-and-socket
What percentage of the body moves lymph in to the thoracicduct?
a. 100%. b. 75%. c. 50% . d. 25%.