Q: Q: Cells in a biofilm secrete what to recruit nearby cells? A:

OPTIONS:
- signaling proteins
- harnessing molecules
- signaling neurons
- signaling molecules

A: signaling molecules

input: OPTIONS:
- rovers
- shuttles
- sensors
- satellites Now, answer this question: Q: What did rockets help launch into space during their beginning? A:
A:
output: satellites

Q: What is the term for the blockage of an artery by the buildup of fatty plaques? A:

OPTIONS:
- fibrosis
- cancers
- clumps
- atherosclerosis

Answer: atherosclerosis

Problem: OPTIONS:
- naturally dioxide
- carbon monoxide
- liquid dioxide
- carbon dioxide
Q: Q: In gas exchange, oxygen flows into the blood, and what flows out? A:
Answer: carbon dioxide

Problem:OPTIONS:
- bent
- trigonal planar
- linear
- tetrahedral

Q: The domain geometry for a molecule with four electron pairs is called what? A:
****
A: tetrahedral

Problem:OPTIONS:
- chromosomes
- electrons
- cells
- ribosomes

Q: The job of the nucleolus is to build what? A:
****
A:
ribosomes