Essays Tagged: "chloroplasts"

DNA

undoutside of chromosomes. It can be found in cell organelles such as plasmids in bacteria, also in chloroplasts inplants, and mitochondria in plants and animals.All DNA molecules contain a set of lin ...

(5 pages) 194 0 4.0 Jan/1996

Subjects: Science Essays > Genetics & Genome Projects

DNA What is it?

nd outside of chromosomes. It can be found in cell organelles such as plasmids in bacteria, also in chloroplasts in plants, and mitochondria in plants and animals.All DNA molecules contain a set of li ...

(6 pages) 202 0 2.0 Mar/1997

Subjects: Science Essays > Genetics & Genome Projects

Investigation on how light intensity affects the rate of Photosynthesis.

urce for the plant. Photosynthesis occurs in leaves that contain specialized cell structures called chloroplasts. Chloroplasts contain molecules of a green pigment called chlorophyll, consisting large ... ly of carbon and hydrogen. It gives green color and absorbs the necessary light for photosynthesis. Chloroplasts are found in palisade cells, they have a large surface area, which means there is more ...

(3 pages) 75 1 3.4 Nov/2003

Subjects: Science Essays > Biology > Plant Biology

"Describe the theory of endosymbiosis and the arguments for and against this theory"

of interacting entities a could join together in a specific order. Organelles like mitochondria and chloroplasts were themselves prokaryotic cells before the development of eukaryotic cells. It was be ... hould resemble that of bacteria and different from the host's DNA.Mitochondria as aerobic bacteria, chloroplasts as cyanobacteria...For mitochondria, they previously were like aerobic bacteria and thi ...

(4 pages) 64 0 3.0 Dec/2003

Subjects: Science Essays > Biology

Descriptions of the components of a plant cell.

nation. The golgi is able to hold everything from starch (carbohydrates that can't be stored in the chloroplasts), waste and proteins.CentrosomeThe centrosome is a circular structure much like the gol ... ense green color. The many thylakoids in a chloroplast give the chloroplast a green color. The many chloroplasts in a leaf mesophyll cell give that cell a green color. The many mesophyll cells in a le ...

(7 pages) 81 1 3.7 Jan/2004

Subjects: Science Essays > Microbiology

AP Biology Essay #7 concerning Evolution, created using the grading rubric, so will be an A+

y similarities displaying this fact. Just a few of these similarities include that both groups have chloroplasts with chlorophyll b and beta-carotene (for getting food), chloroplasts of similar struct ...

(2 pages) 49 0 3.0 Feb/2004

Subjects: Science Essays > Biology

Photosynthesis Coursework

to turn them into food. Photosynthesis occurs only in the presence of light, and takes place in the chloroplasts of green plant cells. Photosynthesis can be defined as the production of simple sugars ... sity does affect the rate of photosynthesis is because as light, and therefore energy, falls on the chloroplasts in a leaf, it is trapped by the chlorophyll, which then makes the energy available for ...

(5 pages) 72 0 1.0 Mar/2004

Subjects: Science Essays > Biology > Plant Biology

To investigate whether there is a difference in the frequency of stomata between green and white areas of leaves

al frequency present in the green areas of the leaves as the green colour indicates the presence of chloroplasts containing chlorophyll, which are essential for the process of photosynthesis. In contr ...

(12 pages) 41 0 5.0 Apr/2004

Subjects: Science Essays > Biology > Plant Biology

A Rap Song Made From Science key words

Schleiden are scientistsThey rock the earth oh yes they doBecause they made microscopesJust like pooChloroplasts have two membranesThey make chlorophyll like anyoneBecause they are so genuineSunlight ...

(1 pages) 18 0 4.3 May/2004

Subjects: History Term Papers

How light intensity effects the rate of photosynthesis.

t to turn them into food.Photosynthesis occurs only in the presence of light, andtakes place in the chloroplasts of green plant cells.Photosynthesis can be defined as the production ofsimple sugars (g ...

(8 pages) 81 0 4.0 Dec/2004

Subjects: Science Essays > Biology > Plant Biology

DNA (Deoxyribonucleic acid)

oundoutside of chromosomes. It can be found in cell organelles such as plasmids inbacteria, also in chloroplasts in plants, and mitochondria in plants and animals.All DNA molecules contain a set of li ...

(2 pages) 85 1 2.3 Dec/2004

Subjects: Science Essays

The Action of guard cells.

oughout the leaf epidermis are pairs of bean-shaped cells, called guard cells . These cells contain chloroplasts, which are tiny granules filled with chlorophyll . Chlorophyll gives the leaf its green ...

(1 pages) 15 0 1.0 Sep/2005

Subjects: Science Essays > Biology

Rate of Photosynthesis.

Water in the presence of chlorophyll and light produces Glucose + OxygenThis process occurs in the chloroplasts of plant cells which are primarily found in the leaves.To measure the rate of photosynt ...

(5 pages) 52 0 0.0 Oct/2005

Subjects: Science Essays > Biology > Plant Biology

Cells.

Plant cells have nucleus, chromosomes, cell membrane, cell wall, cytoplasm, endoplasmic reticulum, chloroplasts, vacuole, and mitochondria. Some of plant cell structures are similar with animal cell. ... ulum, vacuoles, and mitochondria. But they also had some difference; plant cells have cell wall and chloroplasts but animal cells don't. Plant cells and animal cells are not all different and not all ...

(2 pages) 80 4 3.5 Oct/2005

Subjects: Science Essays > Biology

Photosynthesis.

pen without loss of water.4. C4 Photosynthesisa. In a C4 plant, mesophyll cells contain well-formed chloroplasts arranged in parallel layers.b. In C4 plants, bundle sheath cells as well as the mesophy ... nged in parallel layers.b. In C4 plants, bundle sheath cells as well as the mesophyll cells contain chloroplasts.c. In C4 leaf, mesophyll cells are arranged concentrically around the bundle sheath cel ...

(2 pages) 24 0 3.0 Nov/2005

Subjects: Science Essays > Biology > Plant Biology

Biology Lab Report on the Effects of Photosynthesis

roundPhotosynthesis occurs in organisms which contain chlorophyll. It's a process that involves the chloroplasts to synthesize glucose molecules from carbon dioxide and water. Energy (ATP), initially ... ace: 1) A temperature in the environment between 5 - 35 degree Celsius, 2) Chlorophyll available in chloroplasts, 3) Water, 4) Carbon dioxide and 5) Light of favorable intensity. If any of these facto ...

(5 pages) 165 0 5.0 Mar/2006

Subjects: Science Essays > Biology > Plant Biology

Examining chloroplasts

Aim:To look at the cells from a water plant and to show its chloroplasts.Materials/Equipment:MicroscopeSlideElodea plantWater DropperCover slipLampMethod:1. pre ... ionsDiscussion:I would not expect an animal cell to look like this because animal cells co not have chloroplasts which means they can't be green and they have bones so they don't need or have a cell w ... l to give them steady support.Conclusion:I learned that all plant cells are green because they have chloroplasts inside them.I had trouble getting the cover slip onto the slide because air bubbles kep ...

(1 pages) 1316 0 1.0 Mar/2006

Subjects: Science Essays > Biology

Photosynthesis in Plants

ors has a different effect on the rate of photosynthesis. In plants, the chlorophyll present in the chloroplasts, converts the light energy from the sun and converts it into chemical energy. It also t ...

(4 pages) 59 0 3.5 Sep/2006

Subjects: Science Essays > Biology > Plant Biology

Biology Definitions

f plants. The cell wall gives these cells their shape and limits their Expansion in hypotonic media.Chloroplasts A group of structures that has the general name plastid. Plastids Are membrane-bound or ... stids are Spherical bodies that float freely in the cytoplasm, holding pigment molecules or starch. Chloroplasts contain the green pigment chlorophyll, a substance that gives plants the green color. C ...

(5 pages) 27 0 3.0 Oct/2001

Subjects: Science Essays > Biology

Importance of chlorophyll

gives plants and leaves their greenish hue, so it is present in all green leaves and plants within chloroplasts. However it does a lot more than just give plants their green colour it is essential fo ...

(3 pages) 40 4 3.5 Sep/2007

Subjects: Science Essays > Biology > Plant Biology