Exam (elaborations)
2024 AQA A-LEVEL BIOLOGY - RESPONSE TO STIMULI EXAM WITH CORRECT ANSWERS
- Course
- Institution
2024 AQA A-LEVEL BIOLOGY - RESPONSE TO STIMULI EXAM WITH CORRECT ANSWERS
[Show more]
Content preview
2024 AQA A-LEVEL BIOLOGY -RESPONSE TO STIMULI EXAM
WITH CORRECT ANSWERS
Stimulus - CORRECT-ANSWERSA detectable change in the internal or
external environment of an organism
Receptors - CORRECT-ANSWERSSpecific to one type of stimulus, with the
coordinator finding an appropriate response
Importance of Reflex Arcs - CORRECT-ANSWERSThey are important because:
- They are involuntary so do not require thinking power
- They are fast due to the short pathway
- Protect the body from harm
Features of Sensory Reception - CORRECT-ANSWERSThe Pacinian corpuscle
is:
- Specific to one type of stimulus
- The producer of a generator potential through acting as a transducer
(converts the stimuli into energy)
Stretch-Mediated - CORRECT-ANSWERSThe name of the sodium channel that
is part of the pacinian corpuscle, which are deformed to allow for the
movement of sodium ions
Fovea - CORRECT-ANSWERSThe location of cones in the eye
Periphery - CORRECT-ANSWERSThe location of rods in the eye
1 - CORRECT-ANSWERSThe number of cone cells connected to one bipolar
cell
3 - CORRECT-ANSWERSThe number of rod cells connected to one bipolar cell
Good - CORRECT-ANSWERSThe visual acuity of cones
Poor - CORRECT-ANSWERSThe visual acuity of rods
Sensitive - CORRECT-ANSWERSThe sensitivity of rods in low light
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 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 these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Elitaa. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now