Hormones important in internal homeostatic control mechanisms are generally part of a(n) ________ feedback loop

Fill in the blank(s) with correct word


negative

Biology & Microbiology

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The organism Sarcocystis has an obligatory two-host life cycle—an intermediate host and definitive host. The sporocysts found in a stool specimen, which measure 9 to 16 µm, are broadly oval with slightly ___________ ends

a. blunt b. tapered c. rounded d. flattened

Biology & Microbiology

Answer the question using the accompanying figure. During metamorphosis of a tadpole, 'A' is the ____

a. thyroid b. parathyroid c. hypothalamus

d. adrenal cortex e. posterior pituitary

Biology & Microbiology

The individual atoms of a water molecule are held together by

A) ionic bonds. B) hydrogen bonds. C) covalent bonds. D) weak bonds.

Biology & Microbiology

Which molecule, when moving across a plasma membrane, would require the most ATP to be used?

A) a water molecule B) a simple sugar, such as glucose C) a dissolved gas, such as carbon dioxide D) an ion moving against a concentration gradient

Biology & Microbiology