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Why do grass cells have smiley faces?

Posted on November 17, 2022 by Author

Table of Contents

  • 1 Why do grass cells have smiley faces?
  • 2 How do you see the leaf under a microscope?
  • 3 How do you cross section a leaf?
  • 4 How do cheek cells look under a microscope?
  • 5 Is a blade of grass a single organism?
  • 6 Is grass a single blade?
  • 7 How many different types of smiley faces have been created?
  • 8 Where does the smiley face license come from?

Why do grass cells have smiley faces?

The red fluorescence is chlorophyll autofluorescing red in the blue excitation beam of the microscope. The two big ‘eyes’ in this ‘smiley face’ (which is typical of a monocot vascular bundle) are metaxylem elements that transport water through the leaf.

How do you see the leaf under a microscope?

Procedure

  1. Take one leaf and roll it.
  2. Using a razor, cut through the roll to obtain a very thin slice (to obtain a very thin, almost transparent slice)
  3. Place the slice onto a microscope glass slide and add a one drop of water.
  4. Place on the microscope and observe.

Do grass cells have smiley faces?

Grass and look through the microscope, yes , you can see them in plenty. They are anatomically Vascular Bundles of the plant which help to transport water, minerals and food. Hope this helped. If you can call this a smileyface then yes.

Is a blade of grass a cell?

All living things—you and grass included—are made of cells. Cells are like little building blocks with different jobs. Every blade of grass is made of millions of them. Plant cells contain a smaller part called a chloroplast.

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How do you cross section a leaf?

Using a sharp razor-blade (I like the “Pal” single-edge carbon steel blades) make a single cut holding the blade against the edge of the upper slide, then a second cut with the blade angled in slightly. With practice you can get sections almost as good as paraffin sections.

How do cheek cells look under a microscope?

Without stains, cells would appear to be almost transparent, making it difficult to differentiate its parts. The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.

What part of blade of grass allows the grass to stand up?

Explanation: In plant cells there is something called a vacuole. It is a really large structure in the cell that covers most of the volume. It’s filled with water to make the plant rigid, so that the leaf/blade/stem can stand up.

What tissue are involved in the formation of vascular bundle?

The transport itself happens in the stem, which exists in two forms: xylem and phloem. Both these tissues are present in a vascular bundle, which in addition will include supporting and protective tissues. In addition, there is also a tissue between xylem and phloem which is the cambium.

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Is a blade of grass a single organism?

No, each blade of grass is not an individual organism as it does’t have the property of reproducibility because it is a vegetative part of a grass and the food source of each blade is the same grass roots.

Is grass a single blade?

Each blade of grass is part of the grass plant and may have multiple blades. Clumping grasses, when mature, can spread producing multiple shoots with additional blades. The number of blades would depend on the type of grass and individual seed, but the clumping grasses tend to produce 10-16 leaves/blades.

What is the cross section of a stem?

Cross section of a stem: axis of a plant. Epidermis: outer layer of the stem. Phloem vessels: tubes that carry sap. Cambium: new parts of the stem.

What is root cross section?

Cross section of a root: axis of the plant which grows in the opposite direction from the stem, maintain the plant in place and absorbs nutrients. Piliferous stratum: set of cells on the outer layer that carry the root hairs. Cortex: part of the root that protects the pith.

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How many different types of smiley faces have been created?

The simple yellow smiley face created in 1963 (probably) has led to tens of thousands of variations and has appeared on everything from pillows and posters to perfume and pop art.

Where does the smiley face license come from?

“So we actually have the license from The Smiley Company, which is based in the UK,” says Cherman. “This is a global license for the smiley face outside of Japan, where actually the smiley face is exclusively owned by the Yakuza. We tried a lot of channels to secure a smiley license in Japan and it proved impossible.”

Why are some cultures less Smiley than others?

There are of course other factors that contribute to how smiley a culture appears. Historically unstable cultures or those where government corruption is rampant are significantly less smiley. For example, many Russians think that people who smile are foolish because there is not guarantee for the security of the future.

Who is the artist who designed the smiley face on buttons?

Working as a freelance artist, Ball was tasked with designing a smile to be used on buttons, desk cards, and posters to raise employee morale after the unpopular acquisition of Ohio’s Guarantee Mutual Company by the State Mutual Life Assurance Company in Worcester, Massachusetts.

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