Bio final exam pt. 2

Question 1

how hereditary information is passed from parents to offspring

Answer 1

Hereditary information is pased down from parent to offspring, by genes contained on DNA that offspring receive

Question 2

how washing your hands with soap kills viruses.

Answer 2

Soap is a two sided molecule that is attracted to fat and water. One side breaks apart the fat wall due to an attraction while the water washes it away.

Question 3

Explain the difference between a protein’s primary structure and its secondary structure.

Answer 3

Primary = order of amino acids Secondar = its shape

Question 4

Explain the structural difference between an alpha-helix protein and a beta-pleated protein.

Answer 4

Alpha-helix = twisted ladder Beta-pleated = zig-zag

Question 5

Describe how an enzyme works as it relates to the substrate and active site of the enzyme (the induced fit model)

Answer 5

Enzyme attracts a substrate where it attaches in the active site

Question 6

Identify the three parts of the cell theory.

Answer 6

All organisms are made of one or more cells
Cells come from pre-existing cells
Cell is basic unit of life

Question 7

List the four kingdoms in the domain Eukarya

Answer 7

Animalia, plante,fungi, and protista