Photosynthesis: Photosynthesis and irregularly Shaped Cells Essays

Submitted By SkaterZ123
Words: 380
Pages: 2
Open Document
The chemical equation for the process of photosynthesis is given as:

The photosynthesis equation is a simple representation for a very complex natural process.

Leaf

The leaves are the organs for photosynthesis. It is where photosynthesis takes place. The structures of leaves are adapted for efficient photosynthesis:

Adaptation
Function
Large surface area
Most leaves are broad and so have a large surface area allowing them to absorb more light.
A thin shape
A thin shape means a short distance for carbon dioxide to diffuse in and oxygen to diffuse out easily.
Chlorophyll
This chemical gives the leaves their green colour and transfers light energy to chemical energy.
Veins
Networks of veins support the structure of the leaf and transport substances to and from the cells in the leaf.
Stomata
These are small holes on the underside of the leaf that allow gases to diffuse in and out.

Structure of a Leaf

Layer & Adaptation
Function
Cuticle:
Waterproof
The cuticle is a waxy, waterproof layer, which cuts down the water lost by evaporation, and protects against parasitic fungi.
Upper Epidermis:
Transparent
A single layer of cells that are transparent and contain no chloroplast allowing light to pass straight through.
Palisade Layer:
Contains chloroplasts
This layer is made up of palisade cells, which contain chloroplasts. This is where most of the photosynthesis takes place.
Vein:
The vein contains tubes called the xylem and phloem. The xylem brings water and salts
Show More

Related Documents: Photosynthesis: Photosynthesis and irregularly Shaped Cells Essays

Cell and Surface Area Essay

FOCUS 1- Organisms are made of cells that have similar structural characteristics Key Terms: * Cell: The basic structural and functional unit of all organisms * Theory: A supposition or a system of ideas intended to explain something, esp. one based on general principles independent of the thing to be explained * Electron Microscope: A microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons…

Words 5219 - Pages 21

Essay on Xylem and Cells

were completely immersed. For vascular plants, the evolutionary journey onto land involved the differentiation of the plant body into roots, which absorb water and minerals from the soil, and shoots, which absorb light and atmospheric CO2 for photosynthesis. This morphological solution created a new problem: the need to transport materials between roots and shoots. Xylem transports water and minerals from the roots to the shoots. Phloem transports sugars from the site of production to the regions…

Words 5543 - Pages 23

Polymeric Molecules-Chains Of Chemical Subunits Linked End To End

CHAPTER 2 (39-50; 66-69; 78-79) Polymeric molecules- chains of chemical subunits linked end to end Properties enable cells & organism to grow and reproduce CHEMICAL BONDS Cells are made of atoms Elements – what matter is made of; hydrogen and carbon can’t be broken down by chemical means Atom – smallest particle of element; retains its properties At center is nucleus – positively charged; has the number of protons Surrounded by negatively charged electrons by electrostatic attraction Electrons…

Words 3072 - Pages 13

Essay on Evolution and Natural Selection

Biology Final Exam  Notes Chapter 16 • Microevolution: Heritable change in the genetic makeup of a population • Population: all individuals of a single species that lives together in the same place or time • Polymorphism: the existence of discrete variants of a character • Gene pool: the sum of all alleles at all gene loci in all individuals • Genotype Frequencies: the percent og individuals possessing each genotype • Phenotype Frequencies: The ratio of individuals with a particular…

Words 5101 - Pages 21