Q: Q: In places like the grand canyon, hard rocks that are resistant to weathering form what, while softer rocks that weather more easily form slopes? A:

OPTIONS:
- valleys
- peaks
- crevasses
- cliffs

A: cliffs

input: OPTIONS:
- their shape
- their color
- their mass
- reactions they catalyze Now, answer this question: Q: What is the basis of enzyme classification? A:
A:
output: reactions they catalyze

Q: What basic structures are the site of all the life functions of an organism? A:

OPTIONS:
- lipids
- proteins
- genes
- cells

Answer: cells

Problem: OPTIONS:
- theology
- astronomy
- epistemology
- cosmology
Q: Q: What branch of science is the study of the universe, not of cosmetics? A:
Answer: cosmology

Problem:OPTIONS:
- protists
- blood
- eukaryotes
- prokaryotes

Q: Bacteria are what kind of cell? A:
****
A: prokaryotes

Problem:OPTIONS:
- hormones
- pathogens
- reactants
- endotoxins

Q: What are lipopolysaccharide components of the outer membrane of gram-negative bacteria? A:
****
A:
endotoxins