Fertilisation is the union of _________ to form a _________.
Gametes, zygote
Environmental factor that causes a genetic mutation
Mutagen
Single-celled prokaryotic organisms that invade their host, multiply and release toxins that cause disease
Bacteria
Abundant blood vessels in the forearms of kangaroos is an example of which type of adaptation
Structural
Provide characteristics and features.
Describe
Allows rapid reproduction producing genetically identical offspring and does not involve gametes.
Asexual reproduction
DOUBLE POINTS
True or false: Somatic mutations are not heritable
True
True or false: Prions contain genetic material.
False
Counteract changes of various properties from their target values.
Negative feedback loop
Find a cause and effect
Explain
DOUBLE POINTS
Enzyme that breaks hydrogen bonds between base pairs, unwinds it and forms a replication fork.
DNA Helicase
Sections of DNA that are not fixed and can move around among chromosomes.
Transposons
DOUBLE POINTS
Non specific system that provides immediate protection and is always ready to respond to a wide range of threats.
Innate immune system
DOUBLE POINTS
Name the three types of neurons
Sensory, Motor, Interneurons
Identify issues and provide points for and/or against.
Discuss
Identify the type of inheritance in two pedigrees.
Autosomal dominant, X-linked recessive
What does SNT stand for?
Somatic Nuclear Transfer
Scientist who conducted experiments to demonstrate direct transmission of specific bacteria from a diseased host to a health one would result in disease.
Robert Koch
Myopia is also known as _______________. The eye is too ______ or ______ shaped. Identify the treatment for myopia.
Short sightedness, Long, Oval, concave lenses
Determine the quality or value by examining features and purposes
Evaluate
Produced by the placenta after implantation. Maintains the corpus luteum so that progesterone and estrogen production remains high
Human Chorionic Gonadotropin (HCG)
DOUBLE POINTS
Homologous pairs of chromosomes fail to separate during the first meiotic divison.
Identify three responses or cells involved in the second line of defence
5 parts of a negative feedback loop
Stimulus, Sensor, Control, Effector, Result
DOUBLE POINTS
Identify components and relationship between them
Analyse
DOUBLE POINTS