The _____ is involved in regulating sleep–wake cycles, and the _____ is involved in regulating blood sugar levels and hunger.

Fill in the blank(s) with the appropriate word(s).


Ans: pineal gland; pancreas

Biology & Microbiology

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Which of the following hormones is one that is made by your fat cells and circulates in the blood then sends a signal to the brain to stop eating when you are full?

A. insulin B. cortisol C. leptin D. glucagon

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Which of the following is the name of the heavy chain constant domain of an antibody?

A) beta B) delta C) zeta D) rho

Biology & Microbiology

In contrast to the nucleic acid probes used to detect DNA or RNA target sequences, molecular probes used to detect target proteins in western blots are ________

Fill in the blank(s) with correct word

Biology & Microbiology

Which substance, by providing strength, allows sclerenchyma cells to provide support and play a role analogous to that of an animal's skeleton?

A) lignin B) sucrose C) starch D) chlorophyll

Biology & Microbiology