Which hormone is responsible from the release of calcium and phosphate ions from bone tissues into the blood?
a. glucagon
b. insulin
c. epinephrine
d. parathyroid hormone
e. glucocorticoids
ANSWER: d
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Which group of fishes evolved most recently (in other words, is the youngest)?
A. Jawless fishes B. Bony fishes C. Hagfishes D. Cartilaginous fishes
Split genes
A. are common in bacteria and eukaryotes. B. have introns located only at the beginning and end of a coding region. C. only have exons initially transcribed to mRNA. D. are acted upon by spliceosomes to excise introns and then join exons.
Nucleosomes are comprised of how many molecules of histones?
What will be an ideal response?
Unlike Mitosis, Meiosis produces daughter cells could be genetically different from each other. Which mechanism(s) are responsible for this outcome?
A. DNA Recombination B. Chromatid Separation C. Independent Assortment D. Both A and B E. Both B and C F. Both A and C