Which of the following organs of the endocrine system secretes thyroxine and calcitonin?
a. pituitary gland
b. pancreas
c. hypothalamus
d. adrenal glands
e. thyroid gland
E
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Speciation events that occur when the geographic ranges of the populations involved overlap are termed ________
Fill in the blank(s) with correct word
Triiodothyronine (T3) is secreted by the ____
a. parathyroid gland b. thyroid gland c. pancreas d. adrenal cortex e. adrenal medulla
The ________ continually senses and adjusts our body systems to maintain homeostasis
Fill in the blank(s) with correct word
Which of the following applications of biotechnology results in an insect-resistant plant?
A) Banana-based vaccine against pathogenic Escherichia coli B) Insulin production by bacteria C) Bt toxin production by soybeans D) Growth-hormone-treated cows E) Herbicide-resistant corn