Exam (elaborations)
2024 AQA A LEVEL AND AS BIOLOGY DEFINITIONS YEAR 1 EXAM WITH CORRECT ANSWERS
- Course
- Institution
2024 AQA A LEVEL AND AS BIOLOGY DEFINITIONS YEAR 1 EXAM WITH CORRECT ANSWERS
[Show more]
Seller
Follow
Elitaa
Reviews received
Content preview
2024 AQA A LEVEL AND ASBIOLOGY DEFINITIONS YEAR 1
EXAM WITH CORRECT ANSWERS
antigen - CORRECT-ANSWERSa molecule that triggers an immune response
antibiotic - CORRECT-ANSWERSa substance produced by living organisms
that can destroy the growth of organisms
emphysema - CORRECT-ANSWERSa disease in which the walls of the alveoli
break down, reducing the surface area for gaseous exchange
epidemiology - CORRECT-ANSWERSthe study of the spread of disease and
the factors that affect this spread
gene pool - CORRECT-ANSWERSthe total number of alleles in a particular
population at a specific time
habitat - CORRECT-ANSWERSthe place where an organism usually lives and
which is characterised by the physical conditions of the place
homologous chromosomes - CORRECT-ANSWERSa pair of chromosomes (one
maternal and one paternal) that have the same gene loci and therefore
determine the same features
human genome - CORRECT-ANSWERSthe totality of DNA sequences on the
chromosomes of a single human cell
intercropping - CORRECT-ANSWERSthe practice of growing two or more crops
in close proximity usually to produce greater yield on a piece of land
interspecific variation - CORRECT-ANSWERSdifferences between organisms
of different species
intraspecific variation - CORRECT-ANSWERSdifferences between organisms
of the same species
locus - CORRECT-ANSWERSthe position of a gene on a chromosome
, mitosis - CORRECT-ANSWERSthe type of nuclear division in which the
daughter cells have the same number of chromosomes as the parent cell
monoclonal antibody - CORRECT-ANSWERSan antibody produced by a single
clone of cells
mutation - CORRECT-ANSWERSa sudden change in the amount or the
arrangement of the genetic material in the cell
nitrogen fixation - CORRECT-ANSWERSthe incoporation of atmospheric
nitrogen gas into organic nitrogen-containing compounds
osmosis - CORRECT-ANSWERSthe passage of water from a region of high
water potential to a region of low water potential through a selectively
permeable membrane
oxidation - CORRECT-ANSWERSloss of electrons
passive immunity - CORRECT-ANSWERSresistance to disease that is acquired
from the introduction of antibodies from another individual
pathogen - CORRECT-ANSWERSa microorganism that causes disease
peptide bond - CORRECT-ANSWERSthe chemical bond formed between two
amino acids during condensation
reduction - CORRECT-ANSWERSgain of electrons
polymer - CORRECT-ANSWERSlarge molecule made up of repeating smaller
monomers
plasmid - CORRECT-ANSWERSsmall circular DNA in bacterial cells
primary structure of a protein - CORRECT-ANSWERSthe sequence of amino
acids that makes up the polypeptides of a protein
secondary structure of a protein - CORRECT-ANSWERSthe way in which the
chain of amino acids of the polypeptides of a protein is folded
tertiary structure of a protein - CORRECT-ANSWERSthe folding of a whole
polypeptide chain determined by the sequence of amino acids
quaternary structure of a protein - CORRECT-ANSWERSa number of
polypeptide chains linked together to form a protein
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 $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83249 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now