Essays Tagged: "Chloroplast"


reaction to convert carbon dioxide into glucose.Where does photosynthesis take place?Structure of a ChloroplastChlorophyllLightchlorophyll absorbs red, orange, blue and violet, and use the energy of l ...

(2 pages) 68 1 4.5 Jan/1997

Subjects: Science Essays > Biology > Plant Biology

Mitochondria and Chloroplast a detailed comparison between the functions and purposes of the mitochondria and chloroplast.

When comparing and contrasting the mitochondria and chloroplast, a person learns all of the similarities and differences between the two. In this essay, ... ilarities and differences between the two. In this essay, you will read about the mitochondria, the chloroplast, and their biochemical reactions.The mitochondria often referred to as the powerhouse ce ... nt, the pyruvic acid will be sent for conversion in the mitochondrion, which produces ATP molecules.Chloroplast both alike and dislike the mitochondria is a specialized member of a closely related pla ...

(3 pages) 14544 2 4.6 Jun/2003

Subjects: Science Essays > Biology > Plant Biology

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

This is a assignment on lipids

es responsible for producing spindle apparatus. Centrosomesf)Contains membrane stacks called grana. Chloroplastg)Site of aerobic respiration. Mitochondriah)Structure containing cell sap. Vacuolei)Prot ...

(4 pages) 43 1 2.3 Feb/2004

Subjects: Science Essays > Biology

An Investigation To Discover Whether Or Not There Is A Relationship Between Light Intensity And The Surface Area Of A Leaf.

the surface area larger is the fact that there would be a larger amount of chlorophyll, containing chloroplasts, for photosynthesis. By having leaves of a larger surface area, there would be a much m ... nthesis. By having leaves of a larger surface area, there would be a much more efficient use of the chloroplasts (containing chlorophyll) and the high intensity light available.ApparatusIn order to ca ...

(2 pages) 18 0 3.0 Mar/2004

Subjects: Science Essays > Biology > Plant Biology

The Light Independent Reaction--A.K.A. The Calvin Cycle

CO2 diffuses into the chloroplast and combines with RuBP to form a 6-Carbon sugar. The 6-carbon sugar immediately splits i ...

(1 pages) 7217 0 2.0 Apr/2004

Subjects: Science Essays > Biology

Photosynthesis and Cellular Respiration

to create usable forms of energy. First I will explain the light reaction which takes place in the chloroplast. When light is absorbed by the chlorophyl, an electron is excited to a higher energy lev ...

(3 pages) 121 1 4.0 May/2004

Subjects: Science Essays > Biology > Plant Biology

The Cycles of Photophosphorylation

There are two different light reaction cycles that occur in the thylakoid membrane within the chloroplast. The first, and most complex cycle is the non-cyclic. It begins with an H20 molecule spl ...

(1 pages) 32 0 4.1 May/2004

Subjects: Science Essays > Biology > Plant Biology

Biology Lab Report on the extraction of Chlorophyl from Plant Leaves

AbstractThis experiment focused on extracting and separating pigments of Chloroplast. For the procedure green leaves were grinded in a mortar with some chemicals and the flu ... n were put on a filter paper and later, after dried placed into a beacon of solvent. After this the chloroplast pigments were separated by the solvent into groups of more or less soluble pigments.AimH ... ed the results in terms of the purity of each chemical or purity of the used filtrate.BackgroundThe chloroplast, basically, is the organelle responsible for photosynthesis. Structurally it is very sim ...

(3 pages) 50 0 3.0 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) 1574 0 1.0 Mar/2006

Subjects: Science Essays > Biology

Pond Water Life Lab - Science Probe 10

, and that was the limnocalanus.3. Green protests are called plant-like protists, because they have chloroplasts.4. Animal-like protest can breathe, and eat.5. The euglena uses its whip-like "tail" to ... ected with red tide, they are bad for humans to eat.13.Spirogyra Porticalis (green alga) has spiral chloroplast.14. a) Malaria is a parasitic protist. b) Malaria is v ...

(1 pages) 13 0 3.0 Sep/2006

Subjects: Science Essays > Biology > Plant Biology

Photosynthesis lab report

This lab will evaluate the optimal wavelengths and degrees of intensity during photosynthesis when chloroplast is exposed to light. The mixtures of DCPIP with water, PO4 buffer, and chloroplast will ... ellular respiration. However, the plant cells have a different type of center that produces energy- chloroplasts. The main process of photosynthesis is the absorption of light by the pigments. The lig ...

(7 pages) 129 0 0.0 Feb/2007

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

Comparison & Contrast between Photosynthesis and Cellular Respiration

nces. Cellular respiration occurs in the mitochondrion of the cell and photosynthesis occurs in the chloroplast. There are some similarities between the process involved however their products and rea ... me process. There are other differences too, however. Photosynthesis occurs a cell structure called chloroplasts. Pancake-like sections, called thylakoids, divide chloroplasts. A stack of thylakoid is ...

(4 pages) 91 0 0.0 Nov/2007

Subjects: Science Essays > Biology > Plant Biology

Comparison of prokaryotic and eukaryotic cells

is formed from specialized regions of some chromosomes.Energy Transducers Mitochondria and chloroplasts are organelles that are the energy source for the cell, the energy converted by these o ... eded by the eukaryotic cell in order for it to perform it's various functions. The mitochondria and chloroplasts grow and divide without the aid of the nucleus to increase their abundance within the c ...

(14 pages) 55 0 0.0 Feb/2008

Subjects: Science Essays > Biology

Comparison between Cellular Respiration and Photosynthesis

e cells use this food to release stored energy. With that being said we can beginPlant cells retain chloroplasts. These functions within the plant cells use a compound named chlorophyll to obtain ener ... tten this way: 6CO2+6H2O+energy →6O2+C6H12O6. By this meaning that each separate reaction, the chloroplast requires 6 water molecules and 6 carbon molecules, and additionally little sunlight ener ...

(2 pages) 39 1 5.0 Oct/2008

Subjects: Science Essays > Biology > Plant Biology

Lab 4: Plant Pigments and Photosynthesis

eafs, in every leaf there are cells, and in every plant cells there is a special organelle called a chloroplast. The chloroplast is the main organelle in which all of photosynthesis takes place (simil ... arbon dioxide and other compounds into glucose. It occurs in the stroma, the fluid filled area of a chloroplast outside of the thylakoid membranes. These reactions, unlike the light-dependent reaction ...

(9 pages) 41 0 5.0 Nov/2008

Subjects: Science Essays > Biology


cell is lined up with the pit in the adjacent cellAllow transport of substances between cells.ChloroplastA small, flattened structure. It's surrounded by a double membrane, and also has membr ... as membranes inside called thylakoid membranes. These membranes are stacked up in some parts of the chloroplast to form grana. Grana are linked together by lamellae - thin, flat pieces of thylakoid me ...

(4 pages) 0 0 0.0 Sep/2013

Subjects: Science Essays > Biology

experiment to establish the link between light dependent and independent reactions

is oxidized) which is then used to produce reducing power for light independent reaction.Isolating chloroplasts, the cell organelle which has the primary function is photosynthesis, will test this hy ... ults.Solutions of other materials used in the experiment will also be tested as a control.MethodThe chloroplasts is isolated by grinding the leaf material (spinach),using a pestle and mortar, and the ...

(2 pages) 1 0 0.0 Nov/2014

Subjects: Science Essays > Biotechnology