A molecule can act as both a neurotransmitter and a hormone.

Answer the following statement true (T) or false (F)


True

Examples of molecules that can act as both are epinephrine and norepinephrine.

Biology & Microbiology

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Asian pearl divers hyperventilate in order to reduce the __________ concentration in the blood

a. oxygen b. hydrogen ion c. carbon dioxide d. chloride ion e. hemoglobin

Biology & Microbiology

Secondary metabolites are produced to

A. deter competitors. B. aid in reproduction. C. deter herbivores. D. aid in growth. E. deter competitors and aid in reproduction.

Biology & Microbiology

Spiegelman and colleagues demonstrated natural selection with RNA molecules. How did they satisfy the three ingredients for natural selection?

What will be an ideal response?

Biology & Microbiology

Sperm cells mature and are stored within human males in the _____

A) urethra B) prostate C) epididymis D) seminal vesicles E) bulbourethral gland

Biology & Microbiology