Give reasons for the following -
1. Tomatoes are red in colour.
2. Plant cells contain large vacuoles
3. Cells remained undiscovered for a long, long time.
4. More mitochondria are found in cells which are physiologically more active
5. Multicellular organisms are made up of cells having varied shapes and sizes.
Answers
Explanation:
1-As the tomato ripens, its colour starts to change from green to yellow and then eventually to red. This is due to the breakdown of chlorophyll, which in turn synthesises a red carotenoid (another pigment group), lycopene. When ripe, the carotenoid can easily be seen as the dominant colour of the tomato, ie red.
2-In plant cells, the vacuoles are much larger than in animal cells. When a plant cell has stopped growing, there is usually one very large vacuole. Sometimes that vacuole can take up more than half of the cell's volume. The vacuole holds large amounts of water or food.
3-Cells remained undiscovered for a long, long time. Cells are microscopic structures which cannot be seen with naked eye. Cells can be seen with the help of microscope. Hence, only after the invention of microscope, the cells and their structure was elucidated.
4-Some cells have more mitochondria than others because they need to process more glucose and produce more ATP. For example, fat cells are the major...
5-Multicellular organisms are made of many different cells. Each cell has a different shape that allows it to perform a specific task in order to contribute towards the overall function of the organism. Specialized cells in multicellular organisms are needed simply because of their sizes!
Please Mark me brainliest answer
please
please
Answer: 1-As the tomato ripens, its colour starts to change from green to yellow and then eventually to red. This is due to the breakdown of chlorophyll, which in turn synthesises a red carotenoid (another pigment group), lycopene. When ripe, the carotenoid can easily be seen as the dominant colour of the tomato, ie red.
2-In plant cells, the vacuoles are much larger than in animal cells. When a plant cell has stopped growing, there is usually one very large vacuole. Sometimes that vacuole can take up more than half of the cell's volume. The vacuole holds large amounts of water or food.
3-Cells remained undiscovered for a long, long time. Cells are microscopic structures which cannot be seen with naked eye. Cells can be seen with the help of microscope. Hence, only after the invention of microscope, the cells and their structure was elucidated.
4-Some cells have more mitochondria than others because they need to process more glucose and produce more ATP. For example, fat cells are the major...
5-Multicellular organisms are made of many different cells. Each cell has a different shape that allows it to perform a specific task in order to contribute towards the overall function of the organism. Specialized cells in multicellular organisms are needed simply because of their sizes!
Explanation: