Answer the following question given this paragraph: Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. The acid is what causes the milk to curdle to form cheese. Bacteria are also involved in producing other foods. Yogurt is made by using bacteria to ferment milk ( Figure below ). Fermenting cabbage with bacteria produces sauerkraut. Q: Bacteria can be used to make cheese from milk. the bacteria turn the milk sugars into what? Choices: - acetic acid - ionic acid - hydrochloric acid - lactic acid A:
lactic acid
Answer the following question given this paragraph: Types of friction include static friction, sliding friction, rolling friction, and fluid friction. Fluid friction with air is called air resistance. Q: What is fluid friction with air called? Choices: - buoyancy - wind resistance - gravity - air resistance A:
air resistance
Q: Answer the following question given this paragraph: Figure 3.26 The beta chain of hemoglobin is 147 residues in length, yet a single amino acid substitution leads to sickle cell anemia. In normal hemoglobin, the amino acid at position seven is glutamate. In sickle cell hemoglobin, this glutamate is replaced by a valine. Q: A single amino acid substitution in hemoglobin leads to what disease? Choices: - crohn's disease - AIDS - down's syndrome - sickle cell anemia A:
A: sickle cell anemia
Question: Answer the following question given this paragraph: Figure 42.4 Interferons are cytokines that are released by a cell infected with a virus. Response of neighboring cells to interferon helps stem the infection. Q: What are interferons? Choices: - T cells - oncogenes - pathogens - cytokines A:
Answer: cytokines
*Question*
Answer the following question given this paragraph: Bones are made up of different types of tissues. Q: What are bones made up of? Choices: - molecules - platelets - muscles - tissues A:
**Answer**
tissues
*Question*
Answer the following question given this paragraph: Mole fractions describe the fraction or percentage of a mixture that is made up of a particular substance. Q: What describe the fraction or percentage of a mixture that is made up of a particular substance. Choices: - molecular scale - atomic weight - solute level - mole fractions A:
**Answer**
mole fractions