BIOL 2457 QUESTIONS WITH CORRECT ANSWERS

BIOL 2457 QUESTIONS WITH CORRECT
ANSWERS 2026/2027
Output - CORRECT ANSWER -Variable in homeostasis sends information along the different
pathway to the effector.



Abdominal Cavity & Ventral Body Cavity - CORRECT ANSWER -larges body compartments



redox reaction - CORRECT ANSWER -decomposition and exchange



Requirements of Human Life - CORRECT ANSWER --Oxygen

-Nutrients

-Narrow range of pressure



organic compounds are covalently bonded and contain what element? - CORRECT ANSWER -
Carbon



Amino acids in proteins are joined by - CORRECT ANSWER -Peptide bonds



Blood is an example of?

A. Colloid

B. Suspension

C. Solution

D. None of the above - CORRECT ANSWER -Suspension



ionic bonds - CORRECT ANSWER -bonds that bring together two oppositely charged ions.

, Blood acid-base balance - CORRECT ANSWER -7.4
X2 X2 X2 X2 X2 X2




How many amino acids are considered essential? - CORRECT ANSWER -10
X2 X2 X2 X2 X2 X2 X2 X2 X2 X2




Heterogenous Suspension - CORRECT ANSWER - X 2 X 2 X 2 X 2 X 2




mixture of a finely distributed solid in a liquid.
X2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




Suspension - CORRECT ANSWER - X 2 X 2 X 2 X 2




a mixture in which particles of a material scatter light and settle to the bottom.
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




Which ion is most important in the physiological function of the heart? -
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




CORRECT ANSWER -calcium X 2 X 2




globular proteins - CORRECT ANSWER -antibodies, hormones, enzymes
X 2 X 2 X 2 X 2 X 2 X 2 X 2




ATP involves what type of reaction? - CORRECT ANSWER -dehydration
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




The most common elements in most living things are? - CORRECT ANSWER --Oxygen
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




-Carbon

-Hydrogen

-Nitrogen



Plasma membrane consist of what proteins? - CORRECT ANSWER --Integral proteins
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




-peripheral proteins X 2




-glycoproteins