Mod 7
What is ONE key characteristic of a prion?
Does not contain DNA or RNA (Misfolded protein also OK)
What is the correct sequence of 'headings' in a negative feedback loop? E.g S____ --> ...
Stimulus - Receptor - Control centre - Effector - Response
Purine - 2
Pyrimidine - 1
What are the 3 types of mutagens?
Electromagnetic, chemical & naturally occurring
What school did I go to?
Cambridge Park High School
Increased PAL activity results in increased _______ production.
Lignin
What is ONE similarity and ONE difference of the nervous and endocrine system?
Down's Syndrome occurs as a result of _________ during meiosis II.
Non-disjunction (Aneuploidy also OK but wrong term)
True or false? Germline mutations only occur BEFORE differentiation.
False.
What uni, and how many years? (It was same uni for undergrad and masters degree)
Western Sydney, 6 years
Give me ONE animal disease in agriculture and ONE plant disease.
Animals: BSE, footrot, swine flu, johne's disease, mad cow disease etc
Plants: Black sigatoka, wheat rust, myrtle rust, potato blight etc
The correct sequence of stages in action potential is..
Stimulus - Depolarisation - Repolarisation - Hyperpolarisation
Give an example of mendelian inheritance and an example of non-mendelian inheritance.
Mendelian - Red and white flower creates a red flower.
Non-mendelian - Red and white flower creates a pink flower.
Give TWO examples of roles of non-coding DNA
Telomeres and centromeres
Who is my favourite class (7,9,10,11, or 12) to teach in 2026?
Teachers don't have (12) favourites..
What is the role of fibrin proteins in the inflammatory response?
Promotes clotting of a wound.
What are 3 main types of epidemiological studies?
Analytical, cohort, case-control, intervention
What are the 3 STOP codons?
UAG, UAA, UGA
Give ONE example of gene flow and ONE example of genetic drift
Gene flow - birds migrating.
Genetic drift - bushfire kills rabbit population.
What breed of dog do I have?
Staffy
Give me one named adaptation of bacteria to facilitate entry into a host.
Bacteria such as Clostridium botulinum release harmful toxins which act to inhibit the process of phagocytosis. This allows the bacteria population to multiply rapidly upon entry.
Bone conduction implants pass vibrations directly through the ______ bone in the skull.
Temporal
The tip of a sperm cell is called an _______ which contains digestive enzymes essential for fertilisation.
Acrosome
During gene cloning, ________ enzymes cut a specific point in DNA and a plasmid forming _______ ______
Restriction, sticky ends
What was my highest result in my HSC? +-3 gets the points
95 (Senior Science) #SmartyPants #BigBrainLife #68ATAR