30) A 2,000 g quantity of C-14 is left to undergo radioactive decay. The half-life of C-14 is approximately 5,700 years. After going trough x half-lives, the sample becomes 125 grams. What is x? A) 22,800 B) 28,500 C) 4 D) 5

Plz ! what does it mean for an allele to be dominant?

Part a - which gene to compare? in this exercise, you will use the cytochrome c oxidase i (coi) gene to investigate relationships among salmon species. (this gene encodes a protein that functions in the mitochondrial electron transport chain.) you will compare the coi gene sequences from your salmon test samples to the standard sequences for each salmon species. in order for the coi gene to be useful for distinguishing among the different salmon species, which three statements must be true?

What is a functional group? a group of organic molecules that work together to speed up reactions a group of organs in the body that work together to perform a certain function a group of atoms bonded to carbon that determines how the molecule will react a group of living things that are made up of organic compounds