EOC Review (Ch. 1-4)

What is the last step in protein synthesis?

• tRNA bonds to an amino acid in the cytoplasm.

• The stop codon binds to the ribosome and the polypeptide is released.

• DNA unravels to expose a gene segment.

• mRNA bonds to tRNA.

Prokaryotic cells do not have ______? (select all that apply)

• golgi apparatus

• nucleus

• cell membrane

• DNA

• endoplasmic reticulum

If a cell does not have a cell wall, chloroplast, or large vacuole, then it is a

• plant cell

• animal cell

• mitotic cell

• prokaryotic cell

Nucleotides are to nucleic acids as amino acids are to -

• DNA.

• polypeptides.

• proteins.

• carbohydrates.

What type of information does DNA store?

• genetic

• biological

• cellular

• meiotic

What are long strands of DNA made of?

• elastic rubber bases

• sugar, phosphates, and nitrogenous bases

• sugar, nucleotides, and potassium

• oxygen and nucleotides

DNA can make exact copies of itself. What is this process known as?

• translation

• duplication

• replication

• transcription

Which organelle is responsible for the synthesis of proteins?

• ribosome

• nucleus

• mitochondria

• lysosome

What do you call a molecule that speeds up a chemical reaction but is not changed by the reaction?

• product

• reactant

• enzyme

• protein

What does the equation represent? C6H12O6 + 6O2 --> 6CO2 + 6H20

• photosynthesis

• cellular respiration

• simple diffusion

• kinetic energy of motion