Mitosis Check Test Flashcards
What is a haploid cell
A cell containing one set of chromosomes
What is a diploid cell
A cell containing 2 sets of matching chromosomes
Why is mitosis required
It maintains the diploid chromosome complement (number) of a cell
Growth and repair
What is cell culture?
The growth of cells in labs outside the body’s of living organisms, if suitable conditions for cell division and growth are provided
What are aseptic techniques
Procedures designed to prevent contamination of pure cultures of micro organisms
What does cell culture require
Aseptic techniques
An appropriate medium
Controlled factors - oxygen level, pH of medium and temperature
What can the culture medium be?
Agar jelly
Nutrient broth
Safety precautions
Gloves and coat
Sterile equipment
Washing hand thoroughly b4 work is carried out
Using special techniques to transfer micro organisms
Nucleus meaning
Organelle in cell containing the diploid chromosome complement
Chromosome meaning
Structure into which genetic info is packaged
Gene meaning
Unit of genetic info in a chromosome
Dna meaning
Substance of which genes are composed into which genetic info is coded
Chromosome complement
Characteristics/ number of chromosomes in a cell
Chromatid meaning
Replicated copy of a chromosome visible during cell division
