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26 Cards in this Set

  • Front
  • Back
The sum total of genetic information
A length of DNA that encodes a particular protein
The function of one protein, or a group of proteins
An enzyme the aids the separation and replication of DNA
DNA Polymerase
Enzyme that strings together nucleotides to match a parent DNA sequence
Transcription & Translation
Protein synthesis occurs in two steps called…..
Structural Genes
These genes code proteins that form organs and structural characteristics
Regulatory Genes
These genes code proteins that determine functional or physiological events, such as growth
Chromosomes are long chains of subunits called…..
Each nucleosome is composed of a short length of DNA wrapped around a core of small proteins called….
The combination of DNA with histones is called…..
Interphase & Mitosis
Two major periods within the cell cycle
G1, S, & G2
Interphase is divided into these three phases
G1 Phase
Period of interphase when metabolism and protein synthesis are occurring at a high rate. Most of the cell growth occurs at this time
S Phase
Period of interphase when the cell begins to prepare for division by replicating the DNA and proteins necessary to form a new set of chromosomes
G2 Phase
final period of interphase when more proteins are produced and the centrioles are replicated
Process by which a cell distributes its duplicated chromosomes so that each daughter cell has a full set.
Prophase, Metaphase, Anaphase, and Telophase
The four phases of Mitosis
First stage of mitosis when the chromatin condenses into chromosomes within the nucleus and becomes visible with a microscope
Second phase of Mitosis when the spindle fibers pull the chromosomes into alignment creating the metaphase plate. This arrangement insures that one copy of each chromosome is distributed to each daughter cell
Third phase of Mitosis when the chromatids are separated from each other as the centromere divides. Each former chromatid is now called a chromosome
Final phase of Mitosis when a nuclear membrane forms around the chromosomes
Process following Telophase that produces two, nearly identical cells
The process of creating four daughter cells, each with single unduplicated chromosomes
One of the four daughter cells produced from Meiosis, each with single unduplicated chromosomes
Parent cell at the beginning of meiosis