Which gland is associated with biological clocks or biorhythms?
a. pineal
b. parathyroid
c. hypothalamus
d. pituitary
e. thymus
A
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Fruits develop from _____
A) microsporangia B) receptacles C) fertilized eggs D) ovaries E) ovules
Which of these is a type of chemical bond that involves the sharing of electrons
a. hydrogen b. buffer c. surface tension d. ionic e. covalent
Results from the study of globin variants indicate that ____
a. all amino acid substitutions cause severe phenotypic effects b. a change in a single nucleotide is sufficient to cause a genetic disorder c. extended chains of phosphorus molecules function to carry oxygen d. all of the changes in globin are due to changes in amino acid sequences e. sickle cell anemia is not primarily an inherited disease
Elements that are required in relatively large amounts by microorganisms are called
A. macronutrients. B. meganutrients. C. multivitamins. D. macromolecules.