True or False
All prokaryotes have pili.

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

If animal agriculture was eliminated, how much grain would become available for human consumption?