Chemistry Study Set: EDAPT Bios 251 Terms & Definitions 2025 - 2026

True or False: Functional groups are sets of atoms that are ionically bonded to the carbon framework

False

Which is the monomer of a polysaccharide?​

Monosaccharide

A nucleotide is made up of a sugar, a phosphate group and a

nitrogen base

Glycogen is a

polysaccharide

Starch is considered a:

polysaccharide

Satturated fats

all single bonds, straight shape, solid at room temperature, found in higher amounts in animal products, less healthy

Unsaturated fats

double bonds, bent shape, liquid at room temp, found in plant products, healthier

Amino acids are the monomeric units of which macromolecules?​

proteins

Which of the following is unique only to RNA?​

single stranded

DNA is considered a

nucleic acid

Which of the following are biomolecules?

Carbs​

Lipids​

DNA

ANP​

RNA​

Proteins

Fats​

Which of the following is not considered a disaccharide?​

Glucose

What is the appropriate complementary base to A-T-G-C​?

T-A-C-G

The phosphate head of a phospholipid is

hydrophilic

Hemoglobin is an example of a

protein

Which of the following is a source of complete proteins?

Steak

Cheese

Chicken

Which type of lipids would be considered healthy to have in your diet?​

Unsaturated fats​

True or False: RNA is often seen as a double helix

False

What is the name of the bond between an anion and a cation?

Ionic

How do you calculate the atomic mass of an element?

protons + neutrons

Is this statement correct?​"If we cut a chunk of iron into smaller pieces, it is still iron no matter how small the pieces are."

Yes, an atom of iron would be iron no matter how small the pieces became.

What is an element that has more protons than neutrons called?

Isotope

In a coffee drink with sugar and milk, sugar is considered the

solute

The pH scale measures the concentration of what in a solution?

H+

Which compounds would you expect to form a covalent bond?

H2O, CBr4

An atom has 22 neutrons and a mass number of 48. How many protons would this atom have?

26 protons

Which is the term used to describe a positively charged atom?

Cation

What is the charge of an ion with 26 protons, 28 neutrons, and 27 electrons?

-1

Seven grams of salt are dissolved in 800 mL of water. What is the water considered in this solution?

Solvent

You add a few drops of a strong acid to a beaker of liquid with a pH of 4.6. After you add the drops of strong acid, the pH remains 4.6. What is the liquid in the beaker called?

Buffer

A client presents to the urgent care clinic complaining of chronic heart burn. You diagnose the client with Gastroesophageal Reflex Disease (GERD) and prescribe an antacid to relieve the pain by absorbing the excess H+ or decreasing the rate of hydrogen production by the stomach. The antacid is acting like a/an

buffer

Alkalemia means there is a lower than normal amount of____ in the blood, resulting in a higher blood pH.

H+