A change in an animal's DNA, leading to a variation in a species, is called

A. mutation
B. an infection
C. selective
D. sexual reproduction

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays