Diffusion in Cells Isabel Zak Question: How does the size of a cell affect the distribution of chemicals throughout the cell? Hypothesis: The larger the cell is‚ the more difficult it will be for the chemicals to reach the centre of the cell‚ and diffuse throughout it. This is because there will be a higher surface-area to volume ratio in the larger cells‚ making the centre of the cells further away from the surface. Therefore‚ when dipped in sodium hydroxide‚ the larger cells will not
Premium Diffusion Osmosis Surface area
1 Diffusion is the movement of molecules (or ions) from a high concentration to low concentration. Diffusion is form of passive transport as energy does not need to be generated. Diffusion is complete when the concentration of molecules is equal on either side of the membrane. Diffusion rate can be influenced by many factors such as: Concentration gradient across the the membrane. Permeability of the membrane to the diffusing substance. Temperature. Surface area of the membrane. Question 2 2.1
Premium Diffusion Molecular diffusion Chemistry
Have you ever heard of the ancient civilization of “Mesopotamia”? Yes Ancient Mesopotamia and Ancient Egypt have a lot similarities and differences. I know For instance‚ they both had civilizations that was polytheistic‚ this is where they worshipped more than one god and they all had their own rituals. They also had many differences. For example‚ The egyptians focused on Truth‚ Justice‚ and Order. The Mesopotamians focused more on their gods. The first example of a similarity is that both are
Premium Ancient Egypt Mesopotamia Ancient Near East
he mass and length of the potato piece must be kept the same in each experiment primarily because they affect the surface area of the piece‚ and varying surface area could have a great effect on the rate of osmosis. This is because in an experiment where the potato chip has a large surface area‚ there is a larger area of partially permeable membrane and therefore more opportunity for water particles to pass through. I will keep the surface area the same by keeping the mass and length
Premium Potato Empiricism Chemistry
Did you know Egypt and Mesopotamia both have polytheistic religions? The two civilizations started around the same time‚ they have similar religions‚ they used their rivers the same way to benefit agriculture‚ and many other things. Egypt and Mesopotamia are very similar. Now one reason ancient Egypt and Mesopotamia are similar is their agriculture. The two civilizations both use their rivers‚ the Nile river for the Egyptians‚ and the Tigris and Euphrates for the Mesopotamians. The way they used
Premium Ancient Egypt Mesopotamia Ancient history
changing the human way of life. The rise and fall of the Egyptian and Mesopotamian societies occurred around the same time and were both centered on mighty rivers. Although located less than 1000 miles from each other‚ the geographical situations of Mesopotamia and Egypt from 3000 B.C.E. to 600 C.E. were strongly dissimilar and‚ as a result‚ their religions were affected dramatically in different ways. Egypt was known as the “gift of the Nile” as the Nile predictably overflowed annually and left behind
Premium Tigris Egypt Mesopotamia
Beer was discovered accidentally in Mesopotamia and Egypt when humans were transitioning from the period of being hunter gatherers to farmers. During this time‚ people found that cereal grains were a dependable source of food that could be stored for long intervals of time‚ and were looking for ways to do so; since water sometimes got into their storage containers‚ people learned that grain immersed in water would taste sweet‚ producing beer. Another discovery was that gruel left alone for a few
Premium Beer Brewing Alcoholic beverage
Thomas Graham studied the behavior of the diffusion of gases of unequal densities when placed in contact with each other‚ using air as his control. He wanted to numerically prove how the diffusion of the gas volumes was inversely proportional to the value of the density of the gas‚ under constant temperature and pressure. The significance of this experiment was that in led to a reevaluation of the concept of the movement of matter‚ realizing that diffusion dealt with small immeasurable elements of
Premium Density Temperature Volume
RELIGION EN MESOPOTAMIA Contexto Histórico La creación de los textos escogidos se enmarca en la poderosa civilización que vivió en la región de Mesopotamia‚ ubicada entre los ríos Tigris y Éufrates. Ésta ha sido llamada muchas veces la “cuna de la civilización”‚ y es el lugar de donde proceden los vestigios de escritura más antiguos que se conocen (junto a los jeroglíficos egipcios)‚ además de uno de los sistemas de legislación más antiguos. En Mesopotamia habitaron diversos pueblos
Premium Vida
Education in Mesopotamia In Mesopotamia there were 4 classes of people. The Kings and Priests were at the top of the class. The Upper Class was the wealthy. The Lower Class was salaried for their work. The slaves were at the foot system. The kings and priests were very influential. The priests controlled the society because they owned most of the land‚ and a lot of. The Priests were over the schools and the libraries in their temples. In southern Mesopotamia the first schools were created by
Premium Ancient Egypt Egypt Egyptians