Semester Exam 12/15 - 12/18

First Name

Last Name

Class period

• 3/4 A day
• 5/6 A day
• 7/8 A day
• 3/4 B day
• 5/6 B day

1.) The building blocks of most biomolecules contain the element:

2.) Which of the following molecules are classified as carbohydrates?

• A.) amino acids
• B.) fats
• C.) nucleotides
• D.) sugars

3.) Study the graph below and explain what occurs when an enzyme is added to a reaction.

4.) In a Eukaryotic cell, a ___________protects the DNA of the cell, similar to the _____________ of a virus.

• ribosome
• cytoplasm
• nucleus
• capsid
• sheath

5.) Because of photosynthesis-

• A.) the atmosphere is rich in oxygen gas
• B.) animals can get energy directly from the sun
• C.) plants produce carbon dioxide
• D.) water is constantly being produced

6.) The process of cellular respiration

• A.) is performed only by organisms that are incapable of photosynthesis
• B.) breaks down food molecules to release stored energy
• C.) occurs before plants are able to continue photosynthesis
• D.) occurs only in animals

7.) During DNA replication, a complementary strand of DNA is made from each original DNA strand. Thus if a portion of the original strand is CCTACGCT, then the new strand will be-

• A.) TTGCATG
• B.) AAGTATC
• C.) CCTAGCT
• D.) GGATCGA