Refer to the accompanying figure. In which part of the muscle fiber are calcium ions stored?
a. 2
b. 3
c. 4
d. 5
e. 6
b
Biology & Microbiology
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Bayliss and Starling first demonstrated the existence
of hormones when they were studying which of the following? a. thymus b. islets of Langerhans c. bursa of fabricus d. pancreas e. none of the above
Biology & Microbiology
Why are mitochondria present in the sperm?
a. to provide energy for the movement of the flagellum b. to provide energy for the acrosome to penetrate the egg c. to provide nutrients for the sperm d. to provide nutrients for the developing embryo e. to provide energy for the maturation of the sperm
Biology & Microbiology
which hormone suppresses spermatogenesis without affecting testosterone secretion
What will be an ideal response?
Biology & Microbiology
In the scientific name Bacillus cereus, cereus is the
A. Species B. Genus C. Family
Biology & Microbiology