How many genes make up the human genome?
four adenine, thymine, guanine, and cytosine
23 pairs of genes
20,000-25,000 genes
3 billion genes

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.