Pores

Plants
Plants
Plants Life science 7th grade Jr high Chapter 1 Plants are the basis of the food pyramid for all living things, even other plants. They have always been very important to people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter and a great many other purposes. Both humans and animals benefit from plants. We eat many different types of plants such as fruits and vegetables. We also use plants for our herbs. Plants are also used to manufacture many different produc
The Plant Cell
The Plant Cell
The Plant Cell Cell Wall Size: Around 1? Basic Function: * Hold the shape of the cell. * Strengthen the cell. Covering the cell membrane of the plant cell, there is the cell wall. The cell wall is composed of two layers of rigid, hard cellulose embedded in compounds like pectin and lignin. Pores in the cell wall allow molecules to pass through. The cell wall has two parts. The primary cell wall is formed during the growth of the cell. After the cell has stopped growing, a secondary cell wall for
Edgar Allan Poe
Edgar Allan Poe
Edgar Allan Poe Many authors have made great contributions to the world of literature. Mark Twain introduced Americans to life on the Mississippi. Thomas Hardy wrote on his pessimistic views of the Victorian Age. Another author that influenced literature is Edgar Allan Poe. Poe is known as the father of the American short story and father of the detective story. To underezd the literary contributions of Edgar Allan Poe, one must look at his early life, his literary life, and a summary of two of
Topic 2 IB TB questions and answers
Topic 2 IB TB questions and answers
The answers/markschemes are below each question. You can reorganize the document so that you do not see the answer/markschemes when you answer the questions. 1. Outline the process of endocytosis. (Total 5 marks) (Annotated diagram illustrating the process may be used to gain some or all the marks.) the mechanism whereby cells take in solids and / or solutions; involves the formation of vesicles; infolding of cell membrane; called phagocytosis when solids / organisms are engulfed; phagocytosis i