Exam 2: Chemistry of Living Things

Match the element name with its symbol.​ -​K

The study of the chemical reactions of living things is called _____.​

Compounds can be classified into the following three groups: ____________________,____________________,and ____________________. ​

The number of protons in an atom is equal to the number of ____________.​

Water makes up what percentage of our body weight?​

Match the element name with its symbol.​ -​N

The four groups of organic compounds are ____________________,____________________,____________________,and ____________________ ____________________.​

Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge.​

A positively or negatively charged particle is called a(n)____________________.​

The nucleus of every human cell contains how many chromosomes?​

Which of the following is required for the body to function at an optimum level of health?​

____________________ ____________________ is involved in the process of heredity.​

Molecules that contain carbon,hydrogen,and oxygen are known as ____________ _____________.​

Triglycerides are a type of _____.​

Which of the following is an example of an extracellular fluid?​

Match the element name with its symbol.​ -​P

Match the element name with its symbol.​ -​H

Molecules known as ______________ ____________ are the building blocks of protein.​

RNA structures are unique for each person and so are usable as a means of identification.​

Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent,diagnose,and treat disease.​