Users questions 

Do tomatoes have cells?

Joe Ford

Do tomatoes have cells?

The fruit of the tomato plant is composed of elongated tomato cells filled with organelles called chromoplasts (plastids). These plastids scattered throughout the cell are rich in nutrients, particularly protein (33%) and lipids (20%).

What shape do the epidermal cells of tomatoes exhibit?

heart shape

What specialized cell would you expect to find in a tomato plant?

Answer: The plant cell wall is an elaborate extracellular matrix that encloses each cell in a plant. It was the thick cell walls of cork, visible in a primitive microscope, that in 1663 enabled Robert Hooke to distinguish and name cells for the first time.

Is a potato cell a plant cell?

The flesh of fruits and vegetables such as potatoes are made of parenchymal cells.

What statement is not part of the cell theory?

Answer: it is accepted that cells contain DNA in chromosomes and RNA in the nucleus and cytoplasm, but only in the modern cell theory. the classical cell theory does not include this. but using either classical or modern theory, it is false that all cells have DNA surrounded by a nucleus.

Why is iodine not used to stain Chromoplasts?

The amyloplasts will stain dark purple/black with iodine and the cell walls of the parenchyma will not stain. How are chromoplasts different from chloroplasts? Chromoplasts are smaller than chloroplasts and contain pigments to color tissues/organs not involved in photosynthesis, unlike the pigments in chloroplasts.

Why is iodine used in staining?

Iodine is one component in the staining technique known as Gram staining, used in microbiology. Used as a mordant in Gram’s staining, iodine enhances the entrance of the dye through the pores present in the cell wall/membrane.

What does iodine do to cells?

Function. Iodine is needed for the cells to change food into energy. Humans need iodine for normal thyroid function, and for the production of thyroid hormones.

Why did we add iodine to your cheek cells?

In tis lab we were asked to swab our cheeks and dye the cells so they would be visible under the microscope. We added iodine to our cheek cells so that we could see them when we put them under the microscope. the cells are naturally clear so in order to be able to see them the must be dyed.

Why is it possible to easily collect cells by gently scraping the inside of your cheek?

Cheek cells are eukaryotic cells (cells that contain a nucleus and other organelles within enclosed in a membrane) that are easily shed from the mouth lining. It’s therefore easy to obtain them for observation.

What is the function of the cheek cell?

A cheek cell, an epithelial cell found in the tissue on the inside lining of the mouth, continually secretes mucus to maintains a moist environment in the mouth. Together with salivary glands that secrete saliva, the cheek cells supply enough moisture in the mouth for enzymes to thrive.

What is the lining of human cheeks?

The tissue that lines the inside of the mouth is known as the basal mucosa and is composed of squamous epithelial cells. These structures, commonly thought of as cheek cells, divide approximately every 24 hours and are constantly shed from the body.

Why is the cheek cell important to a healthy body?

Cheek Cell Description Inside our mouths, they work to protect us from bacteria and break down our food to make it more easy to digest. Our cheek cells are an incredible reminder of how our body is constantly working and regenerating. Over the course of about 24 hours, cheek cells cells divide and regenerate.

What type of cell is an onion cell?

An onion is a multicellular (consisting of many cells) plant organism.As in all plant cells, the cell of an onion peel consists of a cell wall, cell membrane, cytoplasm, nucleus and a large vacuole. The nucleus is present at the periphery of the cytoplasm. The vacuole is prominent and present at the centre of the cell.

What is the difference between cheek cell and onion cell?

Onion cell is a plant cell with a cell wall and a large vacuole. On the other hand, human cheek cell is an animal cell with a prominent nucleus. Onion cells are brick-like in shape while human cheek cells are rounded. Human cheek cells do not have a cell wall or a large vacuole.

How many cells are in an onion?

Total

Interphase Total
Number of cells 87 154
Percent of cells 56.5% 100%

What cell is smaller onion or elodea?

An onion cell is approximately 0.13 mm long and . 05 mm wide. An elodea cell is approximately . So, an elodea cell is smaller.

What is the difference between onion cells and elodea cells?

What is the difference in size and shape between the onion and the Elodea cells? The onion cells are slimmer and smoother, but they are also connected (like bricks) like the Elodea cells. Elodea cells are more square and green and bigger. A cell wall, a nucleus, a cell membrane and a cytoplasm.

Is a cheek cell bigger than an onion cell?

Onion cells have a large permanent vacuole at the center, so its nucleus is squeezed to the edge of the cell. Cheek cells have no large, permanent vacuoles and its nucleus is roughly at the center of the cell.

Do cheek and onion cells have mitochondria?

Both plant cells and animal cells contain mitochondria and yet they were not visible in the cells you viewed. The dye we used exposed the nucleus, so there is probably another dye that needs to be used to expose the mitochondria. …

What is the shape of the cheek cell?

How does the shape help the function? cheek cell round and flat with a small nucleus These cells line the inside of the mouth. The shape creates a flat, smooth surface so food does not get caught on the skin.

What is onion peel?

The skins of onions are also a rich source of flavonoids, particularly quercetin, a potent antioxidant and anti-inflammatory. Peeling garlic removes the phenylpropanoid antioxidants which protects the heart and helps to fight the aging process along with helping to boost immunity and lower cholesterol.

Can I put onions in compost?

If you only occasionally throw citrus peels and onion scraps into your compost bin, it’s no big deal, but if you vermicompost or have worm bins (which is an amazingly convenient and odor-free way to compost if you are in an apartment), then citrus peels, onions and garlic scraps are a no-no, because they will harm your …

Does onion cure pimples?

If you have pimple marks on your skin, the onion peel and egg mask can turn out to be very effective home remedy to get rid of them. Both the agents are known for their amazing skin lightening effects.

Can onions clear dark spot?

Onion Juice. Onions make you cry, but they treat your skin well in reducing black spots.

Can onions grow hair?

The sulfur from onions may also help promote collagen production. Collagen in turn helps the production of healthy skin cells and hair growth. Applying onion juice to the hair and scalp could increase blood supply to hair follicles, which in turn improves hair growth.

Is onion water good for face?

Beauty benefits of onion juice: When applied directly on the skin or consumed, onions help in getting rid of toxins from the skin, therefore preventing the risk of any skin infections. It keeps the skin healthy and glowing.

Helpful tips 

Do tomatoes have cells?

Joe Ford

Do tomatoes have cells?

The fruit of the tomato plant is composed of elongated tomato cells filled with organelles called chromoplasts (plastids). They can be released from the cells by rupture of their cell membranes and then isolated.

What do tomatoes contain?

Tomatoes are the major dietary source of the antioxidant lycopene, which has been linked to many health benefits, including reduced risk of heart disease and cancer. They are also a great source of vitamin C, potassium, folate, and vitamin K.

What type of energy does a tomato have?

100 grams of tomato gives you an average of 81 kJ of energy. Your body gets this energy from the proteins and carbohydrates in tomato. In addition, tomatoes contain no saturated fats, making them low in calories. The high nutritional value of tomatoes is mainly due to their high potassium content.

Is it bad to eat 2 tomatoes?

When you eat too many tomatoes, you may experience symptoms of acid reflux. That can affect people who are otherwise perfectly healthy. It is a well-known trigger food for people with existing gastroesophageal reflux disease (GERD). This is likely from the large amount of malic acid and citric acid found in tomatoes.

How much DNA does a tomato have?

The tomato, whose genome has just now been decoded, turns out to be one well-endowed vegetable, possessing 31,760 genes.

What poison is in tomatoes?

Tomato. I know, I just said the tomato isn’t poisonous. The fruit isn’t, but the leaves, roots, and stem (and, in limited doses, even some unripe fruit) are rich in tomatine, an alkaloid that’s mildly toxic to humans.

What benefits do tomatoes have?

Tomatoes are loaded with a substance called lycopene. It gives them their bright red color and helps protect them from the ultraviolet rays of the sun. In much the same way, it can help protect your cells from damage. Tomatoes also have potassium, vitamins B and E, and other nutrients.

Is eating raw tomato good for skin?

Tomatoes are full of antioxidants including vitamin C; therefore, eating tomatoes may help reduce the amount of cell-damaging free-radicals in the body and will give you a youthful skin. This property of tomatoes makes them a great fruit for anti-ageing. The acidity in tomatoes helps in reducing and clearing your acne.

What happens in the life cycle of a tomato plant?

On mature tomato plants, flowers develop and this is where sexual reproduction occurs. Figure 1: Diagram of the tomato life cycle. The life cycle starts from seeds and as the plant grows and matures, flowers develop. After pollination and fertilization, fruits develop which contain seeds, allowing for the life cycle to start again.

What are the nutritional value of a tomato?

Here are the nutrients in a small (100-gram) raw tomato : Calories: 18; Water: 95%; Protein: 0.9 grams; Carbs: 3.9 grams; Sugar: 2.6 grams; Fiber: 1.2 grams; Fat: 0.2 grams; Carbs

Is the tomato plant a vegetable or a fruit?

From a botanical point of view, a tomato is in fact a fruit. A fruit is defined as a part of a plant that develops from a flower’s ovary and contains seeds. Since a tomato develops from its flower’s ovary and contains seeds, then a tomato is in fact a fruit and not a vegetable.

Which is the most abundant compound in Tomatoes?

Even though processed tomato products are higher in lycopene, it is still recommended to consume fresh, whole tomatoes whenever possible. Bottom line: Lycopene is the most abundant plant compound in tomatoes. It is found in the highest amounts in tomato products, such as ketchup, tomato juice, and tomato-based sauces.