BIOL 2401 Chapter 2 Module 4: 2.08-2.12

Which of the following is not true of DNA?

DNA carries out the orders for protein synthesis issued by RNA.

Match the following: Fatty acids with all single bonds between carbon atoms

Saturated

Which of the following characteristics is correctly paired with the corresponding nucleic acid type?

RNA: Bases are adenine (A), guanine (G), cytosine (C), uracil (U)

Match the following: Triglycerides

Used for energy storage and for insulation

Which of the following lipids appears to decrease the risk of heart disease?

Omega-3 fatty acids

Which statement is true regarding RNA?

RNA carries out genetic instructions for protein synthesis.

The sequence of amino acids in a protein constitutes the __________ structure of the protein.

primary

The main function of DNA is to direct ____________ synthesis.

protein

Match the following organic molecules to their biochemical building blocks: Proteins

Amino acids

Sugars contain all of the following, except __________.

Calcium

Select the major energy fuel for forming adenosine triphosphate (ATP).

Carbohydrates, particularly glucose

Which of the following is (are) found in all carbohydrates, proteins, lipids, and nucleic acids?

Carbon, hydrogen, and oxygen only

Which of the following is the storage carbohydrate of animal tissues?

Glycogen

Match the following: Steroids

Include sex hormones

Which of the following incorrectly matches a macromolecule with its building blocks?

Nucleic acids to DNA

Match the following: Fatty acids with more than one double bond between carbon atoms

Polyunsaturated

Match the following: Eicosanoids

Regulate inflammation

As Adenosine triphosphate (ATP) is hydrolyzed to provide energy for cellular needs, __________accumulates.

adenosine diphosphate (ADP)

Prostaglandins are __________.

lipids

The building blocks of carbohydrates are called _________________.

monosaccharides (mono-monkeys climb the building-blocks)

Match the following: Secondary structure

Composed of alpha-helices or beta-pleated sheets

Disaccharidases hydrolyzing disaccharides is an example of which type of proteins?

Enzyme proteins

Fever is a body defense mechanism that speeds healing by increasing enzyme actions that are necessary to overcome a pathogen. However, higher temperature can also have which negative effect?

Just as with acidity, temperature can denature proteins.

An organic compound is analyzed, and it has twice as many hydrogen atoms as oxygen atoms. This compound is most likely a __________.

carbohydrate

The important cholesterol-based molecules are __________.

steroids