AMATOMY & PHYSIOLOGY BIOCHEMISTRY TEST

Which abbreviated macromolecule is involved in a peptide bond?

• CHON-R

• CHO

• CHOPN

Carbohydrates are digested and broken down into glucose during _______________________ reactions.

• hydrolysis

• oxidation

• dehydration synthesis

Food molecules are an example of_______________ energy that store the energy within their bonds in the form of __________________ energy.

• chemical ; potential

• electromagnetic ;:kinetic

• thermal : kinetic

Carbon, hydrogen, and oxygen atoms bonded together can form all of the following EXCEPT

• ring structures

• branched chains

• straight chains

• inorganic chains

Antibiotic medicine cannot fight against viral infections because_______

• viruses are not living organisms

• viruses don't have DNA

• viruses don't have RNA

Lipids are good energy storage molecules because _____

• they contain many carbon-hydrogen bonds

• they are composed of many simple sugars

• the can't be broken down by enzymes

The main difference between the kinds of proteins found in our body is the _______________ attached to the protein structure

• the amine group

• R-Group

• the acid group

Why do the atoms of hydrogen and oxygen in a water molecule have partial charges?

• hydrogen gives up an electron to oxygen

• oxygen donates an electron to hydrogen

• there is an unequal sharing of the electrons between oxygen and hydrogen as oxygen pulls more of the electron toward its' nucleus

Polar molecules form under which of the following conditions?

• when electrons are not shared equally between two atoms

• when there is an equal sharing of electrons between two atoms

• when a metal gives over the electron to the nonmetal

The image of the chemical reaction demonstrates the formation of a protein. Which of the following options describes the type of chemical reaction taking place.

• hydrolysis

• dehydration synthesis

• none of the choices