Q: Answer the following question given this paragraph: Image copyright Sebastian Kaulitzki, 2013. The small intestine is lined with tiny villi that help absorb nutrients . Used under license from Shutterstock. com. Q: What is the small intestine lined with that helps with nutrient absorption? A: | OPTIONS:
- bile
- hilum
- cannula
- villi
A: villi

Q: Answer the following question given this paragraph: Covalent bonds are responsible for many of the properties of covalent compounds. Covalent compounds have relatively low boiling points, cannot conduct electricity, and may not dissolve in water. Q: What is responsible for many properties of covalent compounds, which have relatively low boiling points, cannot conduct electricity, and may not dissolve in water? A: | OPTIONS:
- ionic charge
- accretion bonds
- atomic weight
- covalent bonds
A: covalent bonds

Q: Answer the following question given this paragraph: The Krebs cycle completes the breakdown of glucose begun in glycolysis. If oxygen is present, pyruvate enters the mitochondria and is converted to AcetylCoA. AcetylCoA enters the cycle by combining with 4-carbon oxaloacetate. Study the diagram to confirm that each turn of the cycle (two for each glucose) stores energy in 3 NADH+H + , one FADH 2 , and one ATP (from GTP), and releases 2 CO 2 . The Krebs cycle is also known as the Citric Acid Cycle or the tricarboxylic acid cycle (TCA cycle). Q: What cycle completes the breakdown of glucose begun in glycolysis? A: | OPTIONS:
- bacterium
- vireos
- priebus
- krebs
A: krebs

Q: Answer the following question given this paragraph: The image above is of a copper plate that was made in 1893. The utensil has a great deal of elaborate decoration and the item is very useful. What would have happened if we decided that copper (I) chloride was just as good a material (well, it does have copper in it). The CuCl would end up as a powder when we pounded on it to shape it. Metals behave in unique ways. The bonding that occurs in a metal is responsible for its distinctive properties: luster, malleability, ductility, and excellent conductivity. Q: Luster, malleability, ductility, and conductivity are all properties of which kind of material? A: | OPTIONS:
- ores
- wood
- nonmetals
- metals
A: metals