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What structure could you see in the Elodea cells?
In Elodea cells, you could see structures such as the cell wall, cell membrane, chloroplasts (containing chlorophyll for photosynthesis), and a central vacuole. These structures are typical of plant cells and contribute to their function in photosynthesis and support.
Why would you not find a chloroplast in a onion root cell?
the reason you wouldn't see chloroplasts is because the onion root tip is underground where light can not reach and why would it need chloroplasts if it didn't need to produce energy form light?
Does photosynthesis occur in all living plant cells?
No, many of the plants cells do photosynthesize, but not all the cells are capable of this process. The roots are a good example of non-photosynthetic cells, and you can see this by their pale color which means they have a lack of pigment (the pigment is key in photosynthesis).
What is the layer of cells called on the bottom of a leaf?
The answer is no, because, on the top of a leaf there is the, cuticle, then the upper epidermis cells underneath, which you can see these, because you can see a sort of jigzaw pattern on the top of the leaf. but on the bottom of a leaf there are tiny, guard cells, a guard cell is a cell that lets in carbon dioxide to the leaf, but only on the bottom of the leaf. if you have ever wondered why a leaf is greener on the top, than the bottom of a leaf, is because, sunlight can easily reach the top of a leaf, this is called photosynthesis, but on the bottom of a leaf, it only gets sunlight from refections from the ground, because the bottom of the leaf does not have any visible contact with the sun.
Are plant cells capable of photosynthesis?
Organisms that have photosynthetic pigments most always photosynthesize. Plants, many types algea and protists are capable of photosynthesis. Cyanobacteria, prokaryotic organisms, are also capable of photosynthesis. All these organisms contain chlorophyl a, but they all have a different set of pigments. There are different classes of these pigments: chlorophyll, cartenoids, and phycobilins. For a more detailed description of these pigments, see the link below.
Where does photosynthesis take place in plant cells?
Within the plant cells (usually leaf cells), the cytoplasm contains organelles called chloroplasts where photosynthesis takes place. Each chloroplast contains stacks of structures called thylakoids, which contain the chlorophyll.
What would you expect to see in a plant cell but not animal cells?
in a plant cell you would find a cell wall
Where is photosynthesis and cellular respiration take place?
Photosynthesis occurs in the chloroplast. During photosynthesis, carbon dioxide, water, and light energy is turned into glucose and oxygen. Cellular respiration occurs in the mitochondria. During cellular respiration, glucose and oxygen and turned into carbon dioxide, water, and energy. As you can see, the are both really a big cycle.
What is the job of guard cells?
The job of guard cells is to open and close the stomata. Stomata are the pores found on the leaves of plants. Their function is to allow carbon dioxide to enter the leaf (for photosunthesis) and oxygen (made by photosynthesis) to leave the leaf. Usually stomata open during the day and close at night. This is to save water, since water vapour can escape as long as the stomata are open. The guard cells control the size of the stomatal pore by changing their shape. When they are curved, a gap opens up between them. When they straighten (lose their curved shape) the gap is closed. The change in shape is caused by water either entering the guard cells (to open the stomata) or leaving the guard cells (to close the stomata). http://www.bbc.co.UK/schools/gcsebitesize/Biology/greenplantsasorganisms/1watertransportrev2.shtml http://www.phschool.com/science/biology_place/labbench/lab9/guard.HTML http://waynesword.palomar.edu/photsyn1.htm A study of stomata in fossil plants can give us information about the ancient climate. See: http://evolution.berkeley.edu/evolibrary/article/0_0_0/mcelwain_03
How can you tell that photosynthesis can not take place in a root cell?
Photosynthesis occurs in the chloroplasts of plant cells, which are typically found in the leaves. Root cells do not contain chloroplasts and are not exposed to sunlight, so photosynthesis cannot take place in a root cell. Roots primarily function in absorption of water and nutrients from the soil.
Is chloroplast a plant or an animal?
A chloroplast is a part of a plant -> see added link!
What is spongy mesophyll layer?
Spongy mesophyll cells are not packed so tightly together, which allows carbon dioxide and oxygen to reach the palisade cells where they are needed in photosynthesis. Spongy mesophyll cells and guard cells (see below) also get some photosynthetic action.
