What characteristic would the r groups of amino acids have if they are located? Amino acids are the building blocks of proteins, playing a crucial role in a wide range of biological processes. The primary structure of a protein is determined by the linear sequence of amino acids linked together by peptide bonds. Each amino … Read more
On this page you will find DNA replication and its significance Grade 12 Life Sciences Notes under Nucleic acids, which includes revision activities with questions and answers to help grade 12 learners to prepare for their tests and exams. Notes DNA replication takes place at interphase before mitosis or meiosis begins. DNA replication is the … Read more
On this page, we discuss 14+ abiotic components of the ecosystem and their types. We will also differentiate between biotic and abiotic components. Understanding the difference between Abiotic and Biotic Factors Abiotic components are the physical and/or chemical factors that act on living organisms at any part of their life. Biotic components are the living … Read more
Four compounds that are found in the cytoplasm: Cytoplasm is a gel-like substance that fills the inside of cells, which are the basic units of life. It is composed of water, proteins, lipids, carbohydrates, nucleic acids, and various other molecules. The cytoplasm contains various cellular structures, including the cytoskeleton, mitochondria, and other organelles. It is … Read more
On this page you will find DNA profiling Grade 12 Life Sciences Notes under Nucleic acids, which includes revision activities with questions and answers to help grade 12 learners to prepare for their tests and exams. Notes Every person except identical twins has her/his own unique DNA profile. It can be described as an arrangement … Read more
On this page, we will briefly explain and describe how a dorsiventral leaf is adapted for photosynthesis. What is a Dorsiventral Leaf? Dorsiventral leavesDorsiventral leaves orient themselves at an angle to the main axis and perpendicular to the direction of sunlight. Most dicots have dorsi-ventral leaves that are net-veined, including most trees, bushes, garden plants … Read more
On this page you will find Menstrual cycle Grade 12 Life Sciences Notes under Human Reproduction, which includes revision activities with questions and answers to help grade 12 learners to prepare for their tests and exams. Notes Day 1–7 Ovaries: New follicles develop and secrete oestrogen Uterus: Lining breaks down and is released (menstruation) Day … Read more
Grade 12 Evolution Questions and Answers: Grade 12 Evolution Questions and Answers Pdf Questions Based on Evolution Terminologies for Grade 12 Below are some questions and answers based on the given terms and definitions related to evolution for Grade 12: Q1: What is an Acquired Characteristic? A1: An acquired characteristic is a characteristic that an … Read more
On this page you will find The structure of DNA and RNA Grade 12 Life Sciences Notes under Nucleic acids, which includes revision activities with questions and answers to help grade 12 learners prepare for their tests and exams. Notes Two kinds of nucleic acids are found in a cell, namely DNA and RNA. These … Read more
Genetics and Inheritance Grade 12 Notes, as well as Questions and Answers on pdf format. As a Grade 12 Life Sciences student, you must ensure you understand the link between meiosis and genetics for your tests and exams. Link between Meiosis and Genetics During the crossing over in prophase I of meiosis and the metaphase … Read more