Term
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Definition
| the process by which a cell develops more specialised functions by expressing the genes characteristics for that type of cell. |
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Term
| How do cells become differentiated? |
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Definition
| Different genes are switched on and off at a specific point in time |
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Definition
| groups of unspecialised plant cells that are capable of cell division |
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Definition
| found at the tip of the root and shoot |
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Term
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Definition
| found inside the plant called cambium |
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Term
| Which plant meristem is responsible for (a) increasing length of the plant and (b) increasing the width(girth) of the plant? |
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Definition
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Term
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Definition
| the growth of plant cells, tissues or organs on a sterile nutrient medium |
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Term
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Definition
| reduce the risk of contamination |
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Term
| Two examples of aseptic techniques |
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Definition
(i) sterilising equipment
(ii) wash hands |
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Term
| Name the function of Two specialised cell types found in the human body |
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Definition
(I)Nerve cell- transmit nerve impulses
(ii) muscle cell- movement |
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Term
| How does a single cell give rise to so many different types of cell? |
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Definition
| In embryonic cells all the genes are switched on, or have the potential to be switched on (i.e they are pluripotent). |
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Term
| Stem cells are cells that can.... |
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Definition
Reproduce themselves and remain undifferentiated
Differentiate into specialised cells |
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Term
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Definition
| form all the cells needed to make a baby |
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Term
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Definition
| cells which can form all the all of the cell types found in the adult body |
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Term
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Definition
| Form a limited number of cell types |
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Term
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Definition
| hollow ball of cells from an early stage of embryonic development |
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Term
| What will cause stem cells to stop reproducing |
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Definition
| Removal of growth chemicals |
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Term
| Two example of cell processes scientists hope to use stem culture for |
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Definition
| Cell growth, gene differentiation |
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Term
| 2 medical conditions treated by stem cells |
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Definition
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Term
| Sources for research for (i) embryo and (ii) tissue stem cells |
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Definition
| (i)Unused IVF embryos that have been donated (ii) mature adult tissues/ umbilical cord |
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Term
| argument FOR use of human embryos |
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Definition
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Term
| Two example of cell processes scientists hope to use stem culture for |
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Definition
| Cell growth, gene differentiation |
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Term
| 2 medical conditions treated by stem cells |
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Definition
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Term
| Sources for research for (i) embryo and (ii) tissue stem cells |
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Definition
| (i)Unused IVF embryos that have been donated (ii) mature adult tissues/ umbilical cord |
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Term
| argument FOR use of human embryos |
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Definition
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