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Cell Respiration and Photosynthesis

8: Metabolism, cell respiration and photosynthesis (AHL)
9: Plant biology (AHL)
10: Genetics and evolution (AHL)
11: Animal physiology (AHL)
12: Option A: Neurobiology and behaviour
13: Option B: Biotechnology and Bioinformatics
14: Option C: Ecology and conservation
15: Option D: Human physiology

The protons then move down the concentration gradient from the space between the inner and outer membranes back into the matrix. However, they can only move back across via an enzyme embedded in the inner membrane. This enzyme is called ATP synthase. The protons are transported back into the matrix through the channels of ATP synthase and as they do so they release energy. This energy is then used by ATP synthase to convert ADP into ATP. Since the electrons come from previous oxidation reactions of cell respiration and the ATP synthase catalyses the phosphorylation of ADP into ATP, this process is called oxidative phosphorylation. Chemiosmosis is necessary for oxidative phosphorylation to work.

Metabolism, Cell respiration and Photosynthesis

Cell Respiration and Photosynthesis

ib biology photosynthesis and respiration will be available on

The National Center for Biological Information (NCBI) website is a treasure house of information and tools for researchers in all areas of modern Biology. The goal of this course is to provide guidance for students who wish to become familiar with the NCBI website through an online learning experience. They will learn many of the features available at this site and will gain experience using some of the tools. The course will be taught completely online and will consist of 1) Guidelines for navigating through NCBI, 2) Study guide questions for students to answer online, 3) NCBI tutorials with questions to be answered online, 4) Assignments with questions to be answered online, 5) Online exams.
Prerequisites: [Min Grade: C] and [Min Grade: C]

The course covers the basics of scientific investigation with an emphasis on understanding methods of the scientific process, experimental design, data interpretation and presentation and scientific writing. Special emphasis will be placed on the use of data management and statistical packages to address the most common types of data analysis used to investigate specific applications in biology. Quantitative Literacy is a significant component of this course. Recommend course is taken before junior year.
Prerequisites: [Min Grade: C]

IB biology: Cell respiration and photosynthesis by IB …

Molecular genetics of eukaryotic organisms, including analysis of the features and nature of eukaryotic genomes, genes, nucleosomes, and chromosomes; processes involved, such as transcription, splicing, transposition, and signal transduction. The role of molecular biology in cell growth and cancer. Lecture.
Prerequisites: [Min Grade: D]

The course emphasizes the transition from cell, to tissue, to organs in multicellular systems. Specific attention in the course will be paid to a survey of the various groups of plants, fungi, invertebrates and vertebrates. Strong emphasis will be placed on comparing the anatomy and physiology of the major organ systems in humans with those of other organisms. The course is designed to expand the students understanding of the process of scientific writing. Quantitative Literacy and Writing are significant components of this course. This course meets the Core Curriculum requirements for Area III: Natural Sciences.
Prerequisites: [Min Grade: C]

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IB Biology/Cell Respiration and Photosynthesis - …


IB Biology Notes - 8.1 Cell respiration

+ The link reaction: Pyruvate enters mitochondrial matrix Pyruvate is decarboxylated removal of a carbon atom 2-carbon acetyl group is the product Removed carbon is release as CO (waste gas) 2 Acetyl group oxidized with the formation of reduced NAD Acetyl group combines with coenzyme A to form acetyl CoA + The Krebs cycle: Acetyl CoA combines with 4-carbon compound: 6-carbon compound oxaloacetate Citrate 5-carbon compound Oxidation CO 2 NADH 4-carbon compound Oxidation Decarboxylation NADH 2 CO Various changes NAD + NAD + + NADH NAD FAD FADH 2 ATP While learning about the Krebs cycle, there are some things you should know about how to read the diagram:
You do NOT need to memorize the text in
The name of the process is inside the circle
The end products of the single processes are listed OUTSIDE the circle (only the products the arrows point TO)
The products which the arrows point away from are the products that are used to turn into the end products white The electron transport chain (ETC) Note: For every glucose that enters cellular respiration, the cycle will run twice.
The starting product (oxaloacetate) is the same as the end product; hence the Krebs 'cycle'
The cycle takes place in the mitochondrial matrix Net gain: 2 ATP's
6 NADH's
2 FADH 's
4 CO (released as waste) 2 2 Proteins with haem groups (carriers) are referred to as cytochrommes.

IB Biology: Photosynthesis And Cellular Respiration

Systems biology is an inter-disciplinary study underlying complex biological processes as integrated systems of many interacting components. This course will give students a foundation in understanding complex biological interactions at the molecular, network and genomic level. This course will cover state-of-the-art high throughput established and novel approaches used in genome sequencing, transcriptomics, proteomics and metabolomics to obtain, integrate and analyze complex data. The students will also get familiar with knowledge on experimental perturbation of genomes, gene regulatory networks, comparative genomics and evolution, basic bioinformatics. This course will be a combination of text based lectures and discussions of the current literature relevant to Functional Genomics and Systems Biology.
Prerequisites: [Min Grade: C]

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