DNA is organized and arranged in the nucleus as
A) mitotic spindles.
B) chromosomes.
C) histones.
D) the nucleolus.
E) ribosomes.
B
You might also like to view...
Bacterial flagella ____
a. are smaller and simpler than eukaryotic flagella b. consist of a straight fiber of protein c. are found in all motile bacteria d. are powered by a gradient of calcium ions e. contain microtubules
The process that causes embryonic cells to produce signals that alter the behavior of neighboring cells is known as
____. a. contact inhibition b. ooplasmic localization c. embryonic induction d. pattern formation e. gene splicing
Hookworms, pinworms, and guinea worms are
a. roundworms. b. flatworms. c. annelids. d. circular worms. e. flukes.
The secretion of each of the hormones from the anterior pituitary requires
a. stimulation from the posterior pituitary. b. that they first be secreted from the neurons of the hypothalamus. c. two capillary beds. d. the action of minute amounts of releasing hormones. e. two capillary beds and the action of minute amounts of releasing hormones