Combined Science Biology Paper 1(GCSE AQA) Prep Exam And Correct Answers.
4 views 0 purchase
Course
Combined Science
Institution
Combined Science
Gene - Answer a segment of DNA that determines characteristics of your body
How many chromosomes do humans have? - Answer 46 (23 pairs)
How many chromosomes do gametes (sex cells) have? - Answer 23
Mitosis - Answer The process of cell division, resulting in two identical cells
...
embroyonic stem cells - Answer Inner cells of the embryo
Embryo - Answer One half of the zygote
adult stem cells - Answer An undifferentiated cell of any organism that can rise to many more cells of
the same type
Problems with embryonic stem cells - Answer -Human rights debate
-Slow, expensive, unpredictable
-Possibly cause cancer
-Potentially infected with viruses
Therapeutic cloning - Answer research using cells from an adult to produce a cloned embryo of
themselves
Stem call research could possibly treat: - Answer -Spinal cord injuries
-Diabetes
-Eyesight
-Heart damage
-Damaged bone and cartilage
, Tissue - Answer A group of similar cells that perform the same function.
Organs - Answer Groups of tissues that work together to perform a specific function or related
functions
Organ system - Answer group of organs that work together to perform a specific function
Organ Systems in our body - Answer Digestive system, respiratory system, and the circulatory system
Levels of organization (small to large) - Answer cell, tissue, organ, organ system, organism
Digestive system - Answer body system the breaks down food and absorbs nutrients (digestion occurs)
Enzymes - Answer break down large molecules for digestion to occur
Small intestine - Answer absorption of molecules into your blood
Function of muscular walls of the small intestine - Answer Squeeze undigested food into your large
intestine
Liver - Answer produces bile
Stomach - Answer breaks down and digests food into order to extract nutrients
Large intestine - Answer absorbs water and leaves waste to be stored and passed out as faeces
Main compounds of a cell - Answer Carbohydrates, lipids and proteins
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 TestSolver9. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
