Ib biology topic 2 Study guides, Class notes & Summaries

IB Biology Review Exam Topic 2: Molecular Biology Actual Exam Questions Answered Correctly LATEST

IB Biology Review Exam Topic 2: Molecular Biology Actual Exam Questions Answered Correctly LATEST

IB Biology Topic 4 : Ecology Latest Version Graded A+ Ecology The science of the relationships between organisms and their environments. Organism an individual living thing that uses energy, reproduces, responds, grows, and develops Species a group of similar organisms that can breed and produce fertile offspring Population group of individuals of the same species that live in the same area Community all living, or biotic, things in an area Ecosystem all biotic (living) and...

IB Biology Topic 1: Cell Biology Questions and Answers Already Passed What does cell theory state? That cells are the smallest possible unit of life and that living organisms are made up of cells. What are unicellular organisms? Give two examples Unicellular organisms are organisms with only one cell, such as Paramecium and Chlamydomonas. In unicellular organisms the one cell carries out all of the functions of life. Why are large organisms multicellular? Because of surface area to ...

IB Biology - Topic 3 – Genetics Latest 2024 Graded A+ Define gene. A heritable factor that consists of a length of DNA (not an entire chromosome) and influences a specific characteristic Define allele. Various forms of a gene Define locus. The position a gene occupies on one type of chromosome Define genome. The whole genetic information of an organism How do alleles differ from one another? By a few differences in DNA base sequence What is the genome size (million base p...

IB Biology HL Topic 7 Latest 2024 Graded A DNA structure antiparallel strands, 3'-5' linkages, and H bonding between purines and pyrimidines Nucleosomes consist of DNA wrapped around 3 histone proteins and are held together by another histone protein Nucleosomes help to supercoil chromosomes and help to regulate transcription Unique (single-copy) genes are translated and constitute a surprisingly small proportion of eukaryotic DNA Highly repetitive sequences constitute 5-4...

IB BIOLOGY: TOPIC 2 EXAMS WITH COMPLETE SOLUTIONS 100% 2024IB BIOLOGY: TOPIC 2 EXAMS WITH COMPLETE SOLUTIONS 100% 2024

IB Biology HL Topic 8 Latest Version Graded A+ Oxidation involves the loss of electrons from an element; frequently involves gaining oxygen or losing hydrogen Reduction involves a gain of electrons; frequently involves losing oxygen or gaining hydrogen Glycolysis first stage of cell respiration; in the cytoplasm, one hexose sugar is converted into 2 3-carbon atom compounds (pyruvate) with a net gain of 2 ATP and 2 NADH + H Phosphorylation 2 phosphate groups are added to a molec...

IB BIOLOGY TOPIC 1 CELL BIOLOGY QUESTIONS AND ANSWERS COMPLETE STUDY GUIDE 2023 IB Biology Topic 1: Cell Biology 1. Cell theory: The theory that cells form the fundamental structural and functional units of all living organisms. 2. Differentiation: The expression of a particular gene(s) and not others in order for cell specialisation. 3. Emergent properties: The idea that the sum of an organism is more than the parts interacting and combining. Living things become more complex as they...