The _____ is associated with seasonal affective disorder (SAD)
a. pineal
b. pituitary
c. thyroid
d. parathyroid
e. thymus
ANSWER: a
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Compared to mammals and reptiles, what characteristic prevents amphibians from surviving far from water?
A. Their limbs are too weak to support their weight on land. B. Their cartilaginous endoskeleton would dry out on land. C. They do not have any lungs and cannot breathe out of the water. D. Their eggs do not have an amnion to prevent them from drying out.
Reverse transcriptase catalyzes the synthesis of DNA from an RNA template
__________________ Indicate whether the statement is true or false.
The second law of thermodynamics states that the ________, or disorder, of the universe is constantly increasing
Fill in the blank(s) with correct word
Paternal inheritance occurs in plants but not animals because plants have chloroplasts instead of mitochondria.
Answer the following statement true (T) or false (F)