BIO 101 Test 1

What is the smallest unit of biological structure that meets the requirements of living?

NH3 is a(n) _____ functional group important in the structure of proteins.

Which type of cell is characterized by presence of a nucleus and membrane-bound organelles?

What are the building blocks of nucleic acids called?

What are molecules of only carbon & hydrogen atoms such as propane and butane called?

Which characteristic of life involves maintaining proper body temperature, heart rate, or blood pressure?

What type of chemical reaction uses water to break down a polymer into its subunits?

Glucose is the building block of most polysaccharides such as Starch; thus glucose is a(n):

What term is given to any molecule that will dissolve in water such as salt or table sugar?

Which lipid is stored in animals as their long term energy source?

PO4 - is a(n) _______ functional group important in the structure of nucleic acids.

Phospholipids are important components of:

What type of chemical reaction forms water as a polymer is formed from its subunits?

What term is given to any molecule that will not dissolve in water such as canola oil?

What group of lipids is composed of four hydrogen rings such as cholesterol?

Which characteristic of life involves increasing in size or number (for microorganisms)?

This nucleotide is a universal source of chemical energy for cellular processes:

Water molecules hydrogen bond & form a liquid that flows & resists separation; this property of water is known a

Which type of reasoning in science develops a general theory then explains it by observation & logic?

OH- is a(n) ______ functional group important in the structure of carbohydrates.

Saturated fats have all of these characteristics EXCEPT ONE:

Water molecules hydrogen bond to clothing and resist separation from the clothing when it is raining so you get wet

What term is used for isotopes (eg. C 14 ) that are unstable & decay into stable elements at a constant rate?

What subatomic particle is involved in forming a chemical attraction or bond?

Which of the following represents the hierarchy of biology organization from most to least complex?

Which chemical bond forms by equal sharing of one or more pairs of electrons?

Which chemical bond forms by unequal sharing of one or more pairs of electrons?

What term is used for the ability of oxygen to attract electrons away from hydrogen in the water molecule?

What is a population of interbreeding organisms, often similar in appearance and behavior, called?

Which one of the following is NOT found in the structure of a nucleotide?

What is pH a measure of?

What term is used for separation of +/- charges within water molecules such that there are + & - regions?

Which characteristic of life involves acquiring, storing, and using energy by various chemical processes?

Which type of reasoning in science uses a testable hypothesis to arrive at a general theory?

What carbohydrate is stored most commonly as the long term energy reserve in plants?

What two subatomic particles comprise the atomic mass (or mass number) of an element?

Which group of proteins are the catalysts of biochemical reactions like food digestion?

Viruses are not considered living because:

Which characteristic of life involves evolving traits that are favorable in specific environments/habitats?

What are two or more atoms (eg. N2 or CO2 ) joined together by a chemical bond called?

You can determine the number of these two subatomic particles from the atomic number of an element:

What term is used for water molecules surrounding ions or polar molecules to keep them dissolved in solution?

Which one of the following statements about water is False?

Which phrase about an ACID is False?

What organisms were the first forms of life on Earth?

What term is given to a fatty acid chain in which there are one to several C=C (double) bonds?

What is a suggested & testable explanation for a natural event called?

What are atoms called that vary in the number of neutrons found in their nucleus?

What are different structural forms of the same molecule called?

What are the building blocks of proteins called?