Which of the following statements about the nucleus is NOT true? A. The nucleus stores the coded instructions for making the cell's proteins.
B. The nucleus usually contains a nucleolus region which is where ribosome assembly begins.
C. The nucleus is the site of protein assembly.
D. The nucleus is surrounded by a nuclear envelope that lets materials in and out.

C.

Explanation: Cytoplasm is not the component of the nucleus but the nucleus is found in the cytoplasm. The four components of the nucleus are nucleoplasm, nuclear envelope, nucleolus, and chromosomes.

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

source:

this protocol provides a detailed procedure for chromatin immunoprecipitation (chip) to study the dna-protein interactions.