Mid-Term Review

Which type of molecule do humans use for long term energy storage and insulation?  

• DNA
• Fat
• Glucose
• Starch

Which of the following are nucleic acid?

• DNA & RNA
• Fatty acid
• Hemoglobin
• Starch

What are living things composed of?

• Organic Compounds
• Inorganic Compounds
• Organic & Inorganic Compounds
• Neither organic or inorganic

Which most directly controls the rate at which food is broken down to release energy?

• Hormones
• Vitamins
• Enzymes
• Nucleic Acid

Enzymes speed up chemical reactions by doing which of the following? A.  increasing activation energy B.  decreasing activation energy C.  reducing the number of products D.  reducing the number of reactants

• Increasing activation energy
• decreasing activation energy
• reducing the number of products
• reducing the number of reactants

What process best explains how a skin cell and blood cell can both develop from the same fertilized egg?

• Selective breeding
• Natural selection
• Differentiation
• Genetic engineering

Which structure is found in a plant cell but absent in an animal cell?

• Vacuole
• Chloroplast
• Ribosome
• Nucleus

Which organelle carries out photosynthesis?

• Mitochondria
• Chloroplast
• Ribosome
• Nucleus

Where does protein synthesis occur?

• Ribosome
• Nucleus
• Mitochondria
• Chloroplast

How are prokaryotic and eukaryotic cells similar?

• Both contain nucleus
• Both contain ribosomes
• Both contain membrane-bound organelles
• Both contain cell wall