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Which statement is false regarding cytotoxic T cells?
a)release granzymes that trigger apoptosis
b)release perforin that promotes cytolysis of target cells
c)each cytotoxic T cell "dies" after inactivating an antigen
d)responsible for lasting "memory" of antigens
e)require stimulation by other cytokines to become activate
When a cell gets to a certain size and has enough organelles and available energy, it may divide into 2 identical cells. This is called Mitosis. Let's tag along in this process of cellular reproduction and review the different phases the cell goes th..
The human body comprises of the number of organ systems which work together to perform all the essential functions of body.
You may use as many tubes as you want for making dilutions.
Compare & contrast the formation & function of the alpha-helix and the beta-pleated sheet with respect to.
Explain the composition of the genetic material in bacteria, in archaea and in eukaryotic cells. Distinguish between the structure and function of the genetic material as chromotin and as chromosomes.
What is the difference between an intermediate host and a definitive host? Identify each host in the life cycle of the causative agent of malaria?
The formation of surface blebs caused through ischemia reflects in part plasma membrane injury, but also a sign of cytoplasmic injury.
The pH of the inner thylakoid space has been measured, as have the pH of the stroma and of the cytosol of a particular plant cell. Which, if any, relationship would you expect to find.
What basic similarities among mammals and differences between mammals (the ingroup) and reptiles (an outgroup) help support the hypothesis that all mammals share a common ancestor.
In a primrose variety there is one gene controlling color of the flower. 2-alleles of this gene occur red and white.
How does a scientific theory differ from a scientific hypothesis.
What are two of the biggest economic savings from an Environmental Management System? Explain how the savings occur.
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