The use of organs harvested from animals for human transplants is called ____________________
Fill in the blank(s) with correct word
xenotransplantation
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Answer the following statements true (T) or false (F)
1. The fast block to polyspermy occurs through a rapid increase in cytosolic calcium within the egg. 2. The sperm and its DNA enters the egg through simple diffusion through the egg plasma membrane. 3. The cortical reaction prevents multiple sperm from contributing their chromosomes to the egg. 4. Most of the egg yolk found in certain vertebrates is restricted to the animal pole?
The functions of antibodies include
A) activating complement, inactivating pathogens, and clumping pathogens. B) activating macrophages, stimulating mast cells, and increasing the white blood cell count. C) creating a warm and swollen area near the site of infection, which harms the pathogens. D) causing B cells to bind to T cells, forming clumps that are visible to the immune system.
With __________ growth, a small population starts growing slowly, then grows rapidly, and then
levels off once __________ is reached. Fill in the blank(s) with the appropriate word(s).
The first portion of the nephron is responsible for filtering blood and is called the ________
Fill in the blank(s) with correct word