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Chloroplast
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- The chloroplast, found only in algal and plant cells, is a cell organelle that produces energy through photosynthesis. The word chloroplast comes from the Greek words khloros, meaning “green”, and plastes, meaning “formed”.
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May 24, 2023 · A flower is the reproductive structure of an angiosperm or flowering plant. Each of the parts of a flower has a unique function that contributes to the plant’s successful reproduction. Here are the different parts of a flower, their functions, and a look at how pollination takes place.
Oct 21, 2021 · Structure and Characteristics of a Plant Cell. A model of a typical plant cell is found to be rectangular in shape, ranging in size from 10 to 100 µm. Under the microscope, it shows many different parts. Each part, known as an organelle, works together to keep the cell functional.
Jul 31, 2022 · Phototropism—the directional bending of a plant toward or away from a light source—is a response to blue wavelengths of light. Positive phototropism is growth towards a light source (Figure 2), while negative phototropism (also called skototropism) is growth away from light.
chloroplasts. Palisade cells are the major site of photosynthesis. They are well adapted for this function because: they are towards the tops of leaves for maximum light. they have lots of...
A film looking at the various parts of a flower and their functions. Suitable for Key Stage 1, Key Stage 2, Early and 1st Level and 2nd level and Foundation level.
Examples that we’ll learn about in this chapter include auxins, which cause plant stems to grow and bend toward light, and gibberellins, which stimulate cell growth and breaks seed dormancy. Plants also produce other chemicals to protect against biotic stimuli, including herbivory and parasitism.
Mar 7, 2024 · Getting a visible image requires a very thin sample of biological tissue because light has to pass through the sample and into the lenses of the microscope; The most common specimens to observe under a light microscope are cheek cells (animal cells) and onion cells (plant cells)
