Botanical Science Collection

Plant cell
False-colour transmission electron micrograph (TEM) of a cell in the root tip of a maize plant, Zea mays. Plant cells are distinct from animal cells in having an additional external envelope

Chloroplast in cell of pea plant
Coloured transmisson electron micrograph of a chloroplast (green) sitting in the cytoplasm of a pea plant Pisum sativum. The chloroplast is the site of photosynthesis where carbohydrates are obtained

Plant cell mitosis, light micrograph
Plant cell mitosis. Light micrograph of root tip cells from an onion (Allium sp.) undergoing cell division (mitosis). From top left to bottom right

Cell from the epidermis of an onion
Light micrograph of a cell from the epidermis of an onion, showing the nucleus (round spot), cytoplasm and box-like cell wall. Magnification: x400 at 35mm size

Starch grains
Potato starch. Coloured scanning electron micrograph of starch grains (blue) in the cells of a potato, Solanum tuberosum. The stored starch grains are called amyloplasts

LM of cells in the epidermis of an onion
Light micrograph of the epidermis of an onion, showing the bands of large, rectangular cells. The spot in the centre of each cell is its nucleus. Magnification: x200 at 35mm size

Nuclear envelope connecting to ER
Transmission electron micrograph of section through part of a nucleus of a filament cell in moss Physcomitrella patens showing connection between nuclear envelope and endoplasmic reticulum

Chloroplasts in protoplast of tobacco
False-colour transmission electron micrograph of chloroplasts in a protoplast from a tobacco leaf, Nicotiana tabacum, (cultivar Xanthi)

False-colour TEM of root cell division
False-colour transmission electron micrograph of a late stage of cell division in the root tip cell (meristem) of Zea mays, maize

Cell nuclei with chromatin
Transmission electron micrograph of several nuclei in meristematic tissue of the maize plant Zea mays root tip at interphase. Large nucleus approaching mitosis showing clumping of chromatin

Dividing chloroplast in a pea leaf
False colour transmission electron micrograph of a dividing chloroplast in the leaf of the pea plant, Pisum sativum, showing the central area constricting to partition the cell into two daughter

Cellulose microfibrils of a cell wall
Scanning electron micrograph of the surface of a protoplast (cell with wall removed) from a leaf of the tobacco plant Nicotiana tabacum

Starch grains in potato, light micrograph
Starch grains in potato. Light micrograph of a potato (Solanum tuberosum) showing cells full of food starch grains

Cytoplasmic streaming in onion cells
Cytoplasmic streaming. Coloured light micrograph (LM) of a section through some onion cells, Allium cepa, showing cytoplasmic streaming. Strands of cytoplasm can be seen in the cell at centre

False-colour SEM of 2 protoplasts fusing

TEM of chloroplasts
Transmission electron micrograph of chloroplasts from the yellow portion of a variegated yellow/green coleus plant, Coleus blumei

Protoplast showing cellulose microfibrils
Scanning electron micrograph of the surface of a tobacco leaf protoplast, Nicotiana tabacum, showing cellulose microfibrils regrowing over the plasma membrane

TEM of a chloroplast from a pea plant
False colour transmisson electron micrograph of a chloroplast in the leaf of a pea plant Pisum sativum. The chloroplast is the site of photosyn- thesis; a process by which plants obtain carbohyd

Cutaway illustration of plant chloroplast
Cutaway illustration of a plant chloroplast, the unit within the leaf which manufactures the plants food supply - starch - during photosynthesis

Chloroplasts in cells of Zinnia
Chloroplasts in mesophyll cells of leaf. Coloured Transmission Electron Micrograph (TEM) of meso- phyll cells in a young leaf of Zinnia elegans

Starch grains in potato cells
False-colour scanning electron micrograph of a slice through a raw potato, Solanum tuberosum, showing starch grains, or amyloplasts (red), within their cellular compartments

TEM of a chloroplast from a tobacco leaf
False-colour transmission electron micrograph of a chloroplast from a leaf of the tobacco plant, Nicotiana tabacum. Chloroplats are the sites of photosynthesis in green plants

Chloroplast in the leaf of a pea plant
False colour transmisson electron micrograph of a chloroplast in the leaf of a pea plant Pisum sativum. The chloroplast is the site of photosynthesis; the process by which plants obtain carbohydrates

Chloroplasts from leaf of Coleus
False-colour transmission electron micrograph of a green chloroplast from a variegated leaf of the plant Coleus blumei. Chloroplasts are the sites of photosynthesis in plants & green algae

Green alga, TEM
Transmission electron micrograph of a section through a single cell green algae, Chlamydomonas asymmetrica. The micrograph shows the arrangement of chloroplasts, dark-stained bodies

False-colour TEM of an amyloplast

Dividing cell in maize root tip

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"Exploring the Intricate World of Botanical Science: Unveiling the Secrets Within Plant Cells" Delving into the fascinating realm of botanical science, we uncover a world teeming with microscopic wonders. Peering through our microscope lens, we are captivated by the mesmerizing sight of chloroplasts in the cells of a pea plant. These tiny green powerhouses harness sunlight to convert it into energy, fueling life itself. Moving deeper into the intricate web of plant cell structures, we witness mitosis in action – a breathtaking dance where cells divide and multiply. Underneath our light micrograph's gaze, this process reveals its awe-inspiring beauty and complexity. Shifting focus to another staple crop, potato cells unveil their hidden treasure - starch grains. Like precious jewels scattered within these humble tubers, these grains serve as vital energy reserves for both plants and humans alike. Venturing further into nature's laboratory, an onion's epidermis beckons us with its captivating cellular landscape. Through our trusty light microscope lens once again, we marvel at each individual cell forming this protective layer on an onion bulb's surface. Starch grains dotting these cells provide sustenance while adding yet another layer of intrigue to their existence. As our exploration continues, we stumble upon a remarkable connection between nuclear envelopes and endoplasmic reticulum (ER). This interplay highlights nature's ingenuity in orchestrating complex systems within even the tiniest components of life. Finally, peering deep inside tobacco protoplasts reveals chloroplasts – miniature factories producing food through photosynthesis. These vibrant green organelles remind us that plants hold not only beauty but also incredible resilience and adaptability. In every corner lies a universe waiting to be discovered; from chloroplasts capturing sunlight to starch grains storing energy or even nuclei connecting with ER networks – each revelation brings us closer to unraveling nature’s secrets.