Problem:OPTIONS:
- gene
- p53
- tumors
- HIV
- enzyme
- tRNA
- DNA
- TRH

You are presented with the quiz "One tumor suppressor protein which often results in cancer when it stops functioning is:" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cancer is a disease that occurs when the cell cycle is no longer regulated" and "another critical protein in regulating the cell cycle is the tumor suppressor protein p53 ". So, what's the best answer to the question?
****
A: p53

Problem:OPTIONS:
- organ
- glycogen
- messengers
- proteins
- alleles
- tissue
- the skin
- hormones

You are presented with the quiz "Animals require warmth as encoded on what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an animal requires warmth for survival" and "individual with best survival alleles survive with the largest handicap". So, what's the best answer to the question?
****
A: alleles

Problem:OPTIONS:
- Necklaces.
- Steam.
- Glass beads .
- a wave
- tiny
- a solute
- rain
- Bracelets.

You are presented with the quiz "What forms beads of water? " But you don't know the answer, so you turn to your teacher to ask for hints. He says that "beads of water are formed by water vapor condensing" and "an example of water vapor is steam". So, what's the best answer to the question?
****
A: Steam.

Problem:OPTIONS:
- The flowers are pollinated
- seed dispersal
- that material's properties
- produce offspring
- Something coming from a gland
- A compound that donates proton
- metabolic reaction
- Organs within the body.

You are presented with the quiz "Sperm had to swim from male to female what for fertilization?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sperm had to swim from male to female reproductive organs for fertilization" and "within the body are the stomach and reproductive organs". So, what's the best answer to the question?
****
A:
Organs within the body.