The Envelope
The Nucleoplasm
Chromatin
The Nucleolus
The Genetic Code
100
The space in between the inner and outer membrane
What is the perinuclear space
100
The fluid contents of the nucleus
What is the nucleoplasm
100
Loosely packed DNA
What is chromatin
100
Several dark staining areas of the nucleus
What are nucleoli
100
The information stored on the DNA molecule which dictates the order of amino acids in a polypeptide chain
What is the genetic code
200
The protein channels that allow larger molecules to diffuse in and out of the nucleus
What is the nuclear pore
200
The network of fine filaments that provides structural support
What is the nuclear matrix
200
The small protein molecule that DNA wraps around
What is a histone
200
A type of RNA which is assembled by the nucleolus
What is ribosomal RNA
200
Consists of Adenine and Guanine
What is a Purine
300
At several areas, the nuclear envelope is connected to this structure
What is the endoplasmic reticulum
300
The charged particles that are found in the nucleoplasm
What are ions
300
The bead-like structures of DNA and histones
What are nuclueosomes
300
The parts of the ribosome that are manufactured in ne nucleolus
What are ribosomal subunits
300
The sequence of three nitrogenous bases which signifies an amino acid on the DNA
What is a triplet code
400
The fluid separated from the nucleus by the nuclear membrane
What is the cytosol
400
A molecule made up of a 5-carbon sugar, a phosphate group and a nitrogenous base
What is a nucleotide
400
The type of appearance that chromatin gives a nucleus of a non-dividing cell
What is clumped or grainy
400
Nucleoli are composed of RNA, enzymes and proteins called this
What are histones
400
The functional unit of heredity
What is a gene
500
These molecules that are contained within the nucleus are too big to fit through the nuclear pores
What is DNA
500
A molecule present to promote a specific reaction in the nucleus
What is an enzyme
500
The appearance of this structure indicates that the chromatin is ready for cell division
What is a chromosome
500
Nucleoli are prominent is cells that must manufacture large amounts of this
What are proteins
500
The part of the messenger RNA that transcribes the triplet code
What is the codon
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