Exam (elaborations)
B4 - Bioenergetics
- Course
- Institution
- detailed - comprehensive - concise - flashcards can be imported into any flashcard app/website - covers all of B4 topic in AQA Biology
[Show more]
Seller
Follow
bethblackett
Content preview
B1 – CellsCell####smallest unit of life
Eukaryotic cells####more complex cells, part of multicellular organisms
Prokaryotic cells####simpler cells, bacterial cell
Prokaryote####a unicellular organism
Eukaryote####an organism made from eukaryotic cells
What are the 2 types of eukaryotic cells?####animal and plant
Nucleus####controls the cell and contains genetic material
Cytoplasm####substance in which most chemical reactions happen
Cell membrane####controls substances that enter and exit the cell
Mitochondria####where aerobic respiration takes place
Ribosomes####site of protein synthesis
Cell wall####supports and protects cell, made of cellulose
Vacuole####contains cell sap
Chloroplasts####site of photosynthesis, contains chlorophyll
Which feature do plant cells have that animal cells don't?####cell wall, chloroplasts, vacuole
What are the 2 types of microscope?####light and electron
What is the formula for magnification?####magnification = image size / actual size
1mm = ?μ ?####1000
Specialised cells####Cells that are adapted to carry out a specific function
Differentiation####process of a cell becoming specialised
What a sperm cells specialised for?####reproduction
What are the adaptions of a sperm cell?####streamlined, tail, lots of mitochondria, enzymes
Why does sperm have a streamlined shape and tail?####to help it swim
Why does sperm have lots of mitochondria?####to have lots of energy to reach egg
Why does sperm have enzymes in its head?####to break enamel of egg
What is a nerve signal specialised for?####rapid signalling
What is the adaption of a nerve cell?####long
Why are nerve cells long?####to carry electrical signals all around the body
What is the adaption of a muscle cell?####lots of mitochondria
Why does a muscle cell have lots of mitochondria?####to have enough energy to contract quickly
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 bethblackett. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $6.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now