Answer the following question given this paragraph: 8.2 Chromatin Chromosomes consist of chromatin11 . This is made up of strings of DNA, which typically measure centimeters in length if stretched out. This DNA is wound around a histone12 core and organized into nucleosome13 s. The chromatin14 must be uncoiled for gene expression15 and replication16 . Chromosome micrograph. Q: Chromosomes consist of what material made up of strings of dna? A:
OPTIONS:
- mitochondria
- gray matter
- rna
- chromatin
chromatin

Answer the following question given this paragraph: All solutions contain at least two substances. Q: All solutions contain at least how many substances? A:
OPTIONS:
- one
- four
- three
- two

Answer: two

Question: Answer the following question given this paragraph: Figure 14.7 (a) Energy is required to partially overcome the attractive forces between molecules in a solid to form a liquid. That same energy must be removed for freezing to take place. (b) Molecules are separated by large distances when going from liquid to vapor, requiring significant energy to overcome molecular attraction. The same energy must be removed for condensation to take place. There is no temperature change until a phase change is complete. Q: What is required to partially overcome the attractive forces between molecules in a solid to form a liquid? A:
OPTIONS:
- fuel
- hydrogen
- oxygen
- energy
Answer: energy

input with options: Answer the following question given this paragraph: REVIEW QUESTIONS 2. Magnesium has an atomic number of 12. Which of the following statements is true of a neutral magnesium atom? a. Q: What is the atomic number of magnesium? A:
OPTIONS:
- 17
- 25
- 8
- 12
output: 12

Q: Answer the following question given this paragraph: The presence of solute particles blocks some of the ability for liquid particles to evaporate. Thus, solutions of solid solutes typically have a lower vapor pressure than the pure solvent. Q: The presence of solute particles blocks some of the ability for liquid particles to do what? A:

OPTIONS:
- melt
- fuse
- dissolve
- evaporate

A: evaporate

Answer the following question given this paragraph: Q: If environmental conditions deteriorate, many species can form protective what? A:
OPTIONS:
- fibers
- proteins
- shells
- cysts
cysts