Hormones important in internal homeostatic control mechanisms are generally part of a(n) ________ feedback loop
Fill in the blank(s) with correct word
negative
You might also like to view...
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
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
The individual atoms of a water molecule are held together by
A) ionic bonds. B) hydrogen bonds. C) covalent bonds. D) weak bonds.
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