Eukaryotic chromosomes differ from bacterial chromosomes because only eukaryotes have select one: a. chromosomes in a nucleus. b. histone proteins. c. all of the choices are correct. d. elongated, not circular, chromosomes. e. several to many chromosomes.

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups