Which of the following describes a frameshift mutation? * A) Substitution of one nucleotide for another.
B) Insertion or deletion of a group of nucleotides that is a multiple of three.
C) Insertion or deletion of a group of nucleotides that is not a multiple of three
D) insertion or deletion of nuleotides that results in a premature stop codon

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

Number and variety of living organism; includes genetic, species, and ecological types