Call us toll-free

Why are there many cells close together in an onion …

MRS GREN kingdoms of living things vertibrates arthropods plant animal cells photosynthesis

Approximate price


275 Words


Onion cells do not have chloroplast

Photosynthesis takes place inside plant cells in small things called chloroplasts. Chloroplasts (mostly found in the mesophyll layer) contain a green substance called chlorophyll. Below are the other parts of the cell that work with the chloroplast to make photosynthesis happen.

Photosynthesis takes place inside plant cells in small things called chloroplasts

Nucleus: this contains genetic make (the DNA), which controls the activities of the cell.

Chlorophyll absorbs the light energy needed to make photosynthesis happen. It is important to note that not all the color wavelengths of light are absorbed. Plants mostly absorb red and blue wavelengths — they do not absorb light from the green range.

B1.1.2 Year 7 lesson introducing the parts of animal and plant cells

19/01/2018 · @ P. Onion cells do not have chloroplast. They do not need photosynthesis to make food since they grow underground, …

Through investigation, students observe that an Elodea plant in water and exposed to light performs photosynthesis. By using an oxygen meter, students can identify an increase in the amount of dissolved oxygen in the water containing the Elodea plant. This is a product of photosynthesis. Using the pH indicator phenol red, students will observe the change in pH of the water containing an Elodea plant. Students will correlate the observed change in pH to the use of carbon dioxide during photosynthesis.

Experiments are centered on the investigation of two areas pertaining to photosynthesis: factors that affect the photosynthetic process; and cellular structures or substances involved in photosynthesis.

Includes lesson plan, powerpoint and onion cell practical

Chloroplasts are special organelles that contain chlorophyll and allow plants to carry out photosynthesis. Plant cells can sometimes have big vacuoles for storage.

Mary, we recognize the significance of these statistics and a fundraiser called "Relay for Life" is organized on our school grounds each spring. Students, teachers and parents form teams that take turns walking around a designated track lit up by covered candles inscribed with the names of loved ones who have suffered or died from cancer. The following weblink will take you to the "Canadian Cancer Society" webpage that shows how many teams participated last year at St.

Students also investigate the properties and the importance of chlorophyll. Using paper chromatography, students find that the color in green plants consists of several chlorophyll pigments. Students explore the cellular structure of plant cells to observe chloroplasts in various parts of an Elodea plant. Students connect the role of chloroplasts to the process of photosynthesis. From these observations, students conclude that photosynthesis takes place in Elodea.

10/19/2009 · Best Answer: Photosynthesis, if we're talking about taking the onion cells from the bulb or from the roots
Order now
  • unit # 2 cells, tissues, organs and organ systems day 1 theme page

    Lesson Plans

  • Cell structure 2 - Plant Cells - BioTopics

    The Biology Project

  • Online Biology tutorial, plant cell structure ..

    The Biology Project, an interactive online resource for learning biology developed at The University of Arizona

Order now
  • Kim

    "I have always been impressed by the quick turnaround and your thoroughness. Easily the most professional essay writing service on the web."

  • Paul

    "Your assistance and the first class service is much appreciated. My essay reads so well and without your help I'm sure I would have been marked down again on grammar and syntax."

  • Ellen

    "Thanks again for your excellent work with my assignments. No doubts you're true experts at what you do and very approachable."

  • Joyce

    "Very professional, cheap and friendly service. Thanks for writing two important essays for me, I wouldn't have written it myself because of the tight deadline."

  • Albert

    "Thanks for your cautious eye, attention to detail and overall superb service. Thanks to you, now I am confident that I can submit my term paper on time."

  • Mary

    "Thank you for the GREAT work you have done. Just wanted to tell that I'm very happy with my essay and will get back with more assignments soon."

Ready to tackle your homework?

Place an order