Does elodea move?

Observing chloroplasts in movement in an elodea cell is like watching a busy, bustling mass of pedestrians from a building high above. They jostle and slide and scoot around the cell, often sticking near the edges of the cell but sometimes seeming to fill the cell entirely with constant motion.

1. Are chloroplasts moving or stationary?
2. Can chloroplasts move?
3. What does the Elodea cell do?
4. Does plant cell move?
5. Why do Elodea cells do cytoplasmic streaming?
6. What is cytoplasmic streaming in Elodea?
7. Why do you see chloroplasts moving in Elodea cells?
8. Is Elodea prokaryotic or eukaryotic?
9. What is the movement of the protoplasm observed in Elodea leaf cells called describe the movement what is responsible for this movement?
10. Why do we choose Elodea to do a wet mount?
11. What happens to Elodea cells in a hypertonic solution?
12. What is the shape of the Elodea cell?
13. What happens during Cyclosis in elodea?
14. What direction do chloroplasts move?
15. What might be the benefit of the cytoplasmic streaming of chloroplasts in an elodea plant?

Are chloroplasts moving or stationary?

Whereas wild-type chloroplasts are stationary with slight Brownian-like movements in the absence of blue light irradiation, chloroplasts in kac1 and kac2 plants exhibit certain motility. In kac1kac2 double mutants, chloroplasts partially aggregate near nucleus and also move with the flow of cytoplasm.

Can chloroplasts move?

Chloroplasts can move in any direction. Chloroplasts do not have heads and tails for light-induced accumulation and avoidance movements. Chloroplast actin filaments are a key structure generating motive force for the movement.

What does the Elodea cell do?

This Elodea leaf cell exemplifies a typical plant cell. It has a nucleus, and a stiff cell wall which gives the cell its box-like shape. The numerous green chloroplasts allow the cell to make its own food (by photosynthesis).

Does plant cell move?

Although plants (and their typical cells) are non-motile, some species produce gametes that do exhibit flagella and are, therefore, able to move about.

Why do Elodea cells do cytoplasmic streaming?

Cytoplasmic streaming circulates the chloroplasts around the central vacuoles in plant cells. This optimizes the exposure of light on every single chloroplast evenly, which can maximize the efficiency of photosynthesis. The right image is the actual cytoplasmic streaming of chloroplasts in Elodea cells.

What is cytoplasmic streaming in Elodea?

Cytoplasmic Streaming. The cell cytoplasm of Elodea leaves is limited to a thin granular layer, containing many lens- shaped cl~loroplasts, surrounding a large central vacuole. Cytoplasmic streaming is seen in most cells as a cyclic movement around the cell walls.

Why do you see chloroplasts moving in Elodea cells?

In the videos, the chloroplasts are seen moving through the cell because of a phenomenon called cytoplasmic streaming: the cytoplasm flows around the nucleus. It also flows around the vacuole (although the vacuole itself can't be seen in the videos).

Is Elodea prokaryotic or eukaryotic?

Both of these are examples of prokaryotes. We will also observe a variety of eukaryotic cells, including examples of protists (Paramecia), plant cells (Elodea and onion) and animal cells (human epithelial cells). Typically, eukaryotic cells are much larger and more complex than prokaryotic cells.

What is the movement of the protoplasm observed in Elodea leaf cells called describe the movement what is responsible for this movement?

Cellular Turbulence

One of the fun things to observe using a light microscope is the movement of chloroplasts around the cell, especially in the plant Elodea. This movement is referred to as cyclosis or cytoplasmic streaming.

Why do we choose Elodea to do a wet mount?

Elodea Leaf Wet Mount

Water will flow out of the Elodea cells by osmosis, shrinking the cell membrane away from the stiff cell wall (plasmolysis).

What happens to Elodea cells in a hypertonic solution?

Elodea cells, when placed in a hypertonic solution, will lose water through osmosis. This will make them flaccid. The central vacuole reduces and eventually disappears. The cell membrane pulls away from the cell wall and the organelles appear concentrated at the center of the cell.

What is the shape of the Elodea cell?

What is the shape of the typical Elodea cell? Rectangular shape.

What happens during Cyclosis in elodea?

In Elodea, cyclosis is easy to observe because chloroplasts move with the cytoplasm as it flows. Light and heat stimulate cyclosis in Elodea. Tungsten or halogen substage microscope lamps produce both heat and light, so after 2–3 minutes, students should be able to observe the movement of chloroplasts.

What direction do chloroplasts move?

Taken together, these findings indicate that chloroplasts can move in any direction and never have an intrinsic polarity.

What might be the benefit of the cytoplasmic streaming of chloroplasts in an elodea plant?

In plant cells, cytoplasmic streaming carries chloroplasts, which are the sites of photosynthesis, from one part of the cell to another. This helps maximize photosynthesis and subsequent cell growth.