Continuation of Life Flashcards
What is a Nucleus?
It controlled all cell activity
What is a Cell membrane?
It controls entry and exit of substances
What is a Cytoplasm?
It is the site of chemical reaction
Where is DNA found?
In the nucleus of the blood cell
What is DNA’s function?
The DNA’s function is to hold the instructions for making proteins of pass on these characteristics
What shape is DNA?
A double stranded helix
What are DNA’s 4 bases?
A+T G+C (Adenine+Thymine Guanine+Cytosine) Always pair together
What are Chromosomes?
Long strands of tightly coiled DNA
How many Chromosomes do you have?
46 Individual chromosomes (26 pairs)
What is a Gene?
A small section of DNA found on a chromosome
What is a Vagina?
Accepts sperm
What is a Cervix?
Opens to allow sperm to travel up to the oviduct
What is a Uterus?
Where a fetus develops
What is a Oviduct?
Where fertilisation occurs
What is the Ovaries?
Female sex organ, they produce female sex cell (egg)
What is a Penis?
Releases sperm (ejaculation)
What is a Urethra?
Carries urine and sperm out of the penis
What is a Scrotum?
Protects the testicles
What is are Testicles?
Male sex organ, they produce sperm the male sex cell
What is Fertilisation?
Fertilisation is the process in which the nucleus of two sex cells fuse together.
What is the K strategy?
In a stable environment, make fewer and more expensive babies
What is the R strategy?
in an unstable environment, make more inexpensive babies
What is the sperm duct?
Carries sperm from the testicle to the urethra
