This analysis is part of a free email course. These tests will be the most similar to what you'll be tested on. You should spend at least 1.5 hours reviewing every full practice exam. The Follet IB store sells digital versions of the IB Biology SL past papers and IB Biology HL past papers from 2015 to 2019. We don't recommend using them, as they may be very different from the actual IB Biology exam.

Explain the factors that affect enzyme activity, temperature, pH and substrate concentration, DNA differs from RNA in the number of strands present, the base composition and the type of pentose, DNA is a double helix molecule made of two antiparallel strands of nucleotides linked by hydrogen bonding between complementary base pairs, Drawing simple diagrams of the structure of single nucleotides of DNA and RNA, using circles, pentagons and rectangles to represent phosphates, pentoses and bases, Be able to draw nucleotides and DNA structure, The replication of DNA is semi-conservative and depends on complementary base pairing, Helicase unwinds the double helix and separates the two strands by breaking hydrogen bonds, DNA polymerase links nucleotides together to form a new strand, using the pre-existing strand as a template, Transcription is the synthesis of mRNA copied from the DNA base sequences by RNA polymerase, Translation is the synthesis of polypeptides on ribosomes, The amino acid sequence of polypeptides is determined by mRNA according to the genetic code, Codons of three bases on mRNA correspond to one amino acid in a polypeptide, Translation depends on complementary base pairing between codons on mRNA and anticodons on tRNA, Use a table of the genetic code to deduce which codon(s) corresponds to which amino acid, Analysis of Meselson and Stahl’s results to obtain support for the theory of semi-conservative replication of DNA, Use a table of mRNA codons and their corresponding amino acids to deduce the sequence of amino acids coded by a short mRNA strand of known base sequence, Deducing the DNA base sequence for the mRNA strand, Transcription of mRNA and reading codons to amino acids. We get it! Here you will find some guidance on the content that you should focus more on. This field is for validation purposes and should be left empty. With the growing accessibility of digital resources, IB students can better develop understanding and broaden their knowledge outside of the classroom. A Comprehensive Guide. The IB is a rigorous curriculum, where students strive to be 21st century learners. SAT® is a registered trademark of the College Entrance Examination BoardTM. This is the only safe place to get IB Biology past papers to download. Water properties and how it affects the environment, usually it comes as multiple choice or as a long answer question. Students can use it to access questions related to topics, while teachers can use the software during teaching and to make exam papers easily. Cell respiration is the controlled release of energy from organic compounds to produce ATP, ATP from cell respiration is immediately available as a source of energy in the cell, Anaerobic cell respiration gives a small yield of ATP from glucose, Aerobic cell respiration requires oxygen and gives a large yield of ATP from glucose, Lactate production in humans when anaerobic respiration is used to maximise the power of muscle contractions, Identify Cell Respiration reactants and products, Explain different stages of cell respiration, Understand the difference between aerobic and anaerobic process, Photosynthesis is the production of carbon compounds in cells using light energy, Visible light has a range of wavelengths with violet the shortest wavelength and red the longest, Chlorophyll absorbs red and blue light most effectively and reflects green light more than other colours, Oxygen is produced in photosynthesis from the photolysis of water, Temperature, light intensity and carbon dioxide concentration are possible limiting factors on the rate of photosynthesis, Drawing an absorption spectrum for chlorophyll and an action spectrum for photosynthesis, Separation of photosynthetic pigments by chromatography, Be able to draw or identify the action and absorption spectrums. Every subtopic is important for the exam, but some are known to be seen more often than others. Just make sure you follow the next rule: It is vital that you get used to the timing pressures on the IB Biology papers.

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