Slow-growing large coloured patches on the bark of trees are the examples of symbiotic life forms called ______.
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____ is not an endocrine gland in humans.
Sleep apnea is related to ___ while sleeping.
___ are the carriers of heredity material.
The instrument used to examine a person's digestive tract is called ___.
T cell activation requires
Rickets is caused due to the deficiency of
What is the name of the point at which the chromatids are attached in a chromosome?