Ch. 17 Cell reproduction and differentiation

The replication of DNA occurs during the __________ phase of interphase.

Initiation of translocation begins with a tRNA binding to a __________ on mRNA.

__________ is the process by which the DNA code of a single gene is converted into a complimentary strand of mRNA.

Following replication of chromosomes, sister chromatids are help together by a __________.

Human chromosomes are made up of DNA and proteins called __________, which help organize the DNA and give structure to the chromosomes.

Short segments of DNA that contain codes for the structure of one of more proteins are __________.

Alterations in DNA, called __________, create differences between individuals and populations.

The beginning of each gene in DNA is marked by the presence of a unique base sequence called the __________.

_________ is the process by which a cell becomes different from its parent or sister cell.

The primary transcript that results from transcription must be modified before it can be translated; nucleotide sequences that actually form the mRNA ad contain the genetic information are __________.

Anticodons are located on __________.

During mitosis, the mitotic spindle forms during __________.

Meiosis in females is not complete until __________ occurs.

The __________ checkpoint checks to make sure the DNA was replicated correctly and that the cell is large enough.

A __________ forms during cytokinesis as contractile filaments in the cell tighten.