Summary
Summary LIFE SCIENCE IEB DEFINITIONS
- Course
- Life Science
- Institution
- Holy Rosary Catholic School For Girls
Definitions for 2020 IEB paper 1. sections include: genetics, dna, population ecology, evolution
[Show more]
3 reviews
By: user1947 • 2 year ago
By: keaganroux • 3 year ago
Defenitions from sections: Endocrine system, Reproductive strategies, Flower reproduction, and human reproduction are not included
By: rebeccaholloway • 2 year ago
Content preview
COLOUR ORDER1. DNA
2.Genetics
3.Population Ecology
4.Evolution
Chromatin chromosomal material made up of DNA, RNA and histone
proteins as found in a non-dividing cell
Replication of DNA the process of making a new DNA molecule from an existing
DNA molecule that is identical to the original molecule
Prokaryotes organisms without a nucleus or any other membrane-bound
organelle. Most are unicellular bacteria
Eukaryotes organisms with a cell nucleus and many membrane-bound
organelles. Example such as animals and plants
Transcription formation of RNA
Translation the process whereby amino acids link up to form proteins
Cambridge Reference Sequence a source of information of human mtDNA commonly found in
people of European descent
Mutagen physical or chemical agents that induce and speed up
mutations in DNA
DNA profile an individual’s unique DNA fragments, separated by
electrophoresis
Polymerase Chain Reaction a laboratory technique used to make multiple copies of a
segments of DNA
Gel Electrophoresis a method to separate large molecules mainly on the basis of
size and electrical charge
Forensics the use of different scientific technologies to investigate a
crime
Hereditary passing on of traits/characteristics from one generation to the
next
Gene a short length of DNA which controls an organism’s
characteristics
Allele one or two forms of a gene
Gamete a reproductive cell / sex cell
Phenotype an organism outside appearance
Genotype genetic make-up of an individual
Genome all genes of an organism
Karyotype all the chromosomes in a cell, showing their size, number and
shape
Homozygous having two identical alleles for a particular characteristic
Heterozygous having two different alleles for a particular characteristic
Dominant gene the trait is expressed in the offspring
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller universitylearner. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R50,00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53068 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now