Cells and biochemistry

What organelle is the control center of the cell?

• nucleus
• mitochondria
• golgi apparatus
• ribosomes

What organelle contains the DNA?

• nucleus
• mitochondria
• golgi apparatus
• ribosomes

What organelle is responsible for the second 2 stages of cellular respiration?

• mitochondria
• chloroplast
• cytoplasm
• ribosomes

What organelle is the site of glycolysis (the first stage of cellular respiration)?

• cytoplasm
• golgi apparatus
• endoplasmic reticulum
• nucleus

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

What organelle synthesizes enzymes from amino acids?

• ribosomes
• cytoplasm
• centriole
• lysosome

Rubisco is an enzyme that helps build sugars during the Calvin cycle during photosynthesis.  What type of reaction is photosynthesis? 

• Catabolic reaction
• Anabolic reaction

Amylase is an enzyme that breaks down starch.  What type of reaction is this? 

• Catabolic reaction
• Anabolic reaction

Which of the following is true about peroxisomes?

• They contain large amounts of the enzyme catalase to break down hydrogen peroxide
• They are contained by all cell types including prokaryotes and eukaryotes
• They produce ribosomes that are then used in the process of lipid synthesis
• They produce hydrogen perioxide which is used to clean the cell

Protists are...

• Prokaryotes
• Eukaryotes