3.1
3.2
3.3
3.4
overview of chapter 3
100

What is the double strand of DNA called?

What is the double helix.

100

What two proteins control physiological processes?

What is hormonal and regulatory proteins.

100

what are substances that speed up reactions without being permanently altered.

Catalysts

100

What do all enzymes have? 

What is an optimal tempurature for activity. 

100

Heat or chemicals disrupt weaker interactions in a protein, destroying secondary and tertiary structure. 

What is denaturing. 

200

What type of bond links the nucleotide base pairs?

What is hydrogen bond.

200

What are the three categories of proteins? 

What is structural proteins, Transport proteins, and Genetic regulatory proteins.

200

What is another name for Activation energy.

Ea

200

What do pH levels affect? 

What is protein structure and enzyme activity. 

200
_____ is the complete set of DNA in a living organism? 

What is Genome.

300

What are the four types of bases in DNA?

What is Adenine, Cytosine, Thymine, and Guamine

300

In quaternary structure two or more polypeptide chains bind together by ___ and ___ interactions and hydrogen bonds. Fill in the blanks 

What is Hydrophobic and Ionic.

300

Name two example of coenzyme.

Biotin

Coenzyme A

NAD

FAD

ATP

300

What affects the enzyme shape and function?

What is the law of mass action.

300

What types of bonds hold together the enzyme substrate complex?

What is hydrogen bond, electrical attraction, temporary covalent bonding.

400

In RNA, what pairing goes with Adenine?

What is Uracil

400

What carries oxygen on RBC? 

What is hemoglobin.

400

Describe how metabolic pathways are important to metabolic systems.

By metabolic pathways connecting to other metabolic pathways to form metabolic systems.

400

What is the final product that acts as an inhibitor of the first enzyme, which shuts down the pathway. 

What is feedback inhibition. 

400

Amino acids linked in condensation reactions from?

What is peptide bonds.

500

What type of nucleotide base has a double ring structure?

What is purines.

500

Cysteine side chains can form covalent bonds called..? 

What is Disulfide bridges. 

500

What are the names of the marked groups below.

A. Amine

B. Variable

C. Carboxyl

500

What binds to and inhibits the enzyme cyclooxygenase? 

What is Asprin. 

500

Describe the two different secondary structures in proteins. 

Alpha Helix- coil 

Beta Pleated Sheet- two or more sequences extended and aligned 

M
e
n
u