What is a point mutation?
a. the movement of a gene from one location to another in the chromosome
b. a single base pair change
c. deletion of a gene
d. rearrangement of the gene order within a chromosome
e. movement of a gene between different species

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

How can you approximate the number of calories required to keep you in energy balance?

Amines amides and amino acids are categories of