Zoology Study Materials

PHOTOSYNTHESIS-MAIN METABOLISM-1

The vital role of ATP The light-dependent reactions  Glycolysis The Krebs cycle (or TCA cycle)  The Electron Transport Chain (ETC) 

Photosynthesis-Calvin cycle-1

Chloroplasts Light Reactions Absorption of light Photophosphorylation Dark Reactions

Lec32_Photosynthesis

Three stages of the Calvin Cycle Basic scheme of the Calvin Cycle Regulation of the Calvin Cycle C4 and CAM Pathways C4 Pathway in Sugarcane CAM Pathway

Mendel dihybrid cross

Dihybrid Crosses Hints for Dihybrid Crosses The law of independent assortment Dihybrid Testcross Patterns of Segregation Mendel’s Laws Probability (expected frequency) Laws of probability for multiple genes

Macromolecule (simplified)

Polymers The Diversity of Polymers Carbohydrates Polysaccharides Phospholipids Enzymes, Polypeptides, and Proteins Amino Acid Monomers The Roles of Nucleic Acids RNA DNA The DNA Double Helix

GENETICS AND HEREDITY

GENETICS VARIATION TYPES OF VARIATION Heredity MENDELS LAWS OF HEREDITY MENDEL’S EXPERIMENT NOTATIONS USED IN BREEDING EXPERIMENTS  LAW OF SEGREGATION LAW OF INDEPENDENT ASSORTMENT  MONOHYBRID CROSS DIHYBRIDE CROSS CHROMOSOMES  GENES FUNCTIONS OF GENES  DNA (DEOXYRIBOSE NUCLEIC ACID)  FUNCTIONS OF DNA SEX CHROMOSOMES SEX DETERMINATION IN HUMANS THE TERMS WHICH ARE USED MORE FREQUENTLY IN GENETICS ORGANIC EVOLUTION EVIDENCE OF ORGANIC EVOLUTION DARWIN’S THEORY OF EVOLUTION BY NATURAL ...

Enzymes and cell division

Enzyme nomenclature and classification Roles of coenzymes Coenzymes and cofactors Stereo-specificity Substrate specificity Group Specificity Enzyme Specificity Oxidoreductases Transferases Hydrolases Lyases Isomerases Enzyme-substrate interaction Ligases Meiotic Cell Division Telophase II Anaphase II Metaphase II Prophase II Meiosis II Telophase I Anaphase I Metaphase I Sex Chromosomes Crossing Over - Variation Homologous Chromosomes Prophase I- Synapsis Interphase Spermatogenesis Fertilizati...

CONCEPTUAL LIFE SCIENCE- Cellular Respiration

Introduction Anaerobic Respiration Glycolysis Fermentation Recycling of NADH Krebs Citric Acid Cycle Electron Transport/Chemiosmosis

CELL – STRUCTURE AND FUNCTION

4.1 THE CELL AND CELL THEORY 4.1.1 Landmarks in cell study 4.1.2 The cell theory 4.1.3 The Cell Two basic types of cells Differences between Eukaryotic and Prokaryotic cells Difference between plant cell and animal cell 4.2 COMPONENTS OF THE CELL 4.2.1 Cell membrane (Plasma membrane) Functions 4.3 THE CYTOPLASM AND THE CELL ORGANELLES 4.3.1 Mitochondria and chloroplast - the energy transformers 4.3.2 Chloroplast Chloroplast versus mitochondria Similarities between mitochondria and chloroplast...

Calvin cycle

Calvin Cycle Definition Function of the Calvin Cycle Carbon Fixation Calvin Cycle Diagram Calvin Cycle Products

The Calvin cycle

The Calvin cycle uses ATP and NADPH to convert CO2 to sugar: Phase 1: Carbon Fixation Phase 2: Reduction Phase 3: Regeneration of Starting Material (RuBP)

PLB 101 Mock Examination

1. Which of the following is not a nitrogenous base 2. The process of recombination of genetic materials during meiotic cell division is .....

GNS 111 Letter Writing

Letter writing is a correspondence or message between two parties. There are three types of letters; formal or official letter;  informal or friendly letter; semi-formal letter. The three types are meant to communicate. Each has its unique formats or formal features what could generally be referred to as conventions. The distinguish features of each letter determine their uniqueness.

USE OF ENGLISH GNS 111

1. The top class Nigerian universities are determined to_________ the quality of education. (A) keep up. (B)keep up with. (C)keep on. (D)keep at. 2. Some people are failures or under-achievers because____________. (A) they don’t like the library. (B) they are unable to manage their time effectively. (C) they are poor readers (D) they are quiet speakers  3. Anyone who wants to communicate effectively using English must___________.

USE OF ENGLISH GNS

PASSAGE Advances in technology which is used broadly here to mean the application of knowledge to an activity offer, at least, a partial way out of our predicament.  In most cases, “appropriate” technologies will no longer be engineering schemes, techniques, or methods that enable us to claim more of nature’s resources but, instead, systems that allow us to benefit more from the resources we already have.  As long as the resulting gains are directed toward bettering the environment a...


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