Everything Life Sciences Grade 10

Below is a three-dimensional diagram of the cell. Provide the name and function of the following numbered structures: The foll ...

iv. membranes and organelles. c) This organelle is responsible for transporting substances around the cell: i. Ribosome ii. Golg ...

genome? i. lysosomes and transport vesicles ii. endoplasmic reticulum and Golgi apparatus iii. cilia and flagella iv. mitochondr ...

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CHAPTER 4 Cell division 4.1 Overview 98 4.2 The cell cycle 98 4.3 The role of mitosis 102 4.4 Cancer 103 4.5 Summary 111 4.6 End ...

4 Cell division 4.1 Overview Introduction DUMMY In this unit you will learn how we are able to replicate our cells through the p ...

FACT Some cells no longer need to divide and exit the cell cycle. These cells may exit the cell cycle permanently, such as neuro ...

FACT Human cells have 46 chromosomes. (23 from the mother and 23 from the father). of cytokinesis: prophase metaphase anaphase ...

FACT HINT: The stages of the cell cycle (interphase, prophase, metaphase, anaphase, telophase) can be remembered by using the mn ...

Schematic diagram: animal cell Micrograph: plant cell Cytokinesis The cytoplasm then divides during a process calledcytokinesi ...

FACT Hair has the highest rate of mitosis. An average hair grows 0.3 mm every day and 1 cm every month. Living Process Role of M ...

FACT WATCHsome videos to learn more about how normal cells turn cancerous. See video: SHORTCODEat http://www.everythingscience.c ...

FACT Carcinogens can cause aDNA mutationthat occurs in one of severalgenesthat normally function to control growth. E.g theBRCA1 ...

Cancer treatment DUMMY Conventional methods The conventional medical approaches to treating cancer includeradiation therapy, che ...

FACT Chemotherapy targets cells that are rapidly dividing so patients undergoing chemotherapy often lose their hair and feel nau ...

FACT Some people are born with mutations in genes involved in regulating the cell cycle. For example in colorectal cancer (cance ...

Ways to decrease cancer risk Avoid smoking Avoid excessive alcohol consumption Eat a healthy diet Regular physical activity Sun ...

Figure 4.9: Graph showing correlation between smoking and lung cancer (courtesy NHI). Questions: In what year was the first inc ...

Science journals such as ”New Scientist”, ”Scientific American” and any other journals you can find. Use the Internet widely in ...

Single-celled (unicellular) organisms like amoeba often reproduce asexually by mitosis. Cancer Cancer is caused by DNA mutati ...