Fact 1: Molecules of DNA are encoded with instructions that tell cells what to do. Fact 2: DNA DNA DNA is a person's genetic fingerprint. Given the two facts above, molecules of what are encoded with instructions that tell cells what to do?

OPTIONS:
- Earth revolving around the sun
- A compound that donates proton
- Something that comes in a bundle of fibers
- A person's genetic fingerprint
- characteristics
- a hemisphere is tilted away from the sun
- Electrical energy
- it helps plants in growing

Answer: A person's genetic fingerprint

Problem: OPTIONS:
- nucleus of a cell
- some looseness in the soil
- wavelengths and photons
- moss
- single-celled organisms
- organic molecules
- snow
- rocks
Q: Fact 1: The looseness of soil increases the amount of oxygen in that soil. Fact 2: Without oxygen in the soil, most plants die. Given the two facts above, plants may die without what?
Answer: some looseness in the soil

Problem:OPTIONS:
- food
- mold
- sand
- rabies
- oxygen
- magma
- mildew
- germs

Fact 1: Bacteria can cause people to become ill. Fact 2: Bacteria in the food causes the illness. Given the two facts above, what is a source of illness?
****
A: food

Fact 1: Nephrons are the structural and functional units of the kidneys. Fact 2: Blood is filtered in the kidney. Given the two facts above, what filters blood?
OPTIONS:
- nephrons
- capillaries
- mechanical
- four limbs
- animals
- organ
- sunlight
- mollusks
nephrons

Fact 1: Immunodeficiency occurs when the immune system is not working properly. Fact 2: Iron deficiency causes anemia and it weakens the immune system. Given the two facts above, what can low iron cause?
OPTIONS:
- contamination
- Pollution
- decrease stamina
- harmful substances
- immunodeficiency
- the ground shaking
- cloudy and rainy weather
- Temperature changing

Answer: immunodeficiency

input with options: Fact 1: Invertebrates are animals that lack a vertebral column, or backbone. Fact 2: Snails and slugs are invertebrates. Given the two facts above, what do snails and slugs lack?
OPTIONS:
- eyes
- a nervous system
- kinetic energy
- Chlorophyll
- Energy.
- life
- a backbone
- Energy
output:
a backbone