An immune system cell called the plasma cell produces thousands of antibodies (a type of protein) per second for release into the body. What type of intracellular structure would you expect to be very prominent within the cell?
A) the smooth endoplasmic reticulum
B) the rough endoplasmic reticulum
C) peroxisome
D) microtubules
Answer: B
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The human axial skeleton includes
_____ the sternum. _____ the vertebral column. _____ the humerus and tibia. _____ the femur. _____ the pelvis.
Which aspect of the cytoskeleton is involved in the cleavage furrow?
A. intermediate filaments B. spindle fibers C. centrioles D. microtubules E. actin filaments
The common ancestor of all life must have had genes for all traits now present in animals today
Indicate whether the statement is true or false
What is the final product after a primary oocyte goes through meiosis?
A) four secondary oocytes B) three secondary oocytes and one polar body C) two secondary oocytes and polar bodies D) one secondary oocyte and polar bodies