Glossary Flashcards
Understand the meaning of important words (18 cards)
Outline what Organelles are
tiny structures inside of cells that allow the cell to function.
Explain what the Cell membrane is
outer membrane of cell that controls movement in and out of the cell.
Describe what Cytoplasm is
a watery, jelly like mixture that fills the cell.
What is the Nucleus?
control centre of the cell, regulates and directs all cellular function. Contains genetic material.
Explain what Ribosomes are
microscopic factories that produce the proteins used by the body for growth and repair.
identify what the Mitochondria is
the powerhouse of the cell.
Determine what the Golgi Apparatus does
involved in the storing, packaging, modification and transport of molecules such as proteins.
What is a Gene?
a section of DNA that contains the instructions for a protein.
Discuss what Alleles are
different forms or variations of a gene.
Outline what Chromosomes are
structures made up of DNA tightly coiled many times around proteins called histones.
What is a Karyotype?
a map/picture of all the chromosomes in a cell, arranged in pairs.
A Genotype is?
the genetic make-up of an individual. It can be the symbolic representation of the pair of alleles controlling a characteristic.
Describe what a Phenotype is
the visible expression of a genotype
Dominant Traits/Phenotypes…..
require only one allele for the trait to show in the phenotype.
Recessive Traits/Phenotypes…..
require two copies of an allele before it shows in the phenotype.
Outline what Homozygous mean
An organism which has two copies of the same allele (BB or bb) is said to be homozygous for that gene.
Define the meaning of Heterozygous
An organism that carries two different alleles (Bb) is said to be heterozygous for that gene.
Determine what DNA stand for
Deoxyribonucleic acid
