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Molecular Biology of the Cell is the classic in-depth text reference in cell biology. By extracting fundamental concepts and meaning from this enormous and ever-growing field, the authors tell the story of cell biology, and create a coherent framework through which non-expert readers may approach the subject. Written in clear and concise language, and illustrated with original drawings, the ...
Introduction to the cell. Cells are the most basic unit of life. All cells have a membrane that separates them from the outside world. Although cells are small, they are not simple. Cells contain different components, such as the cytoplasm, ribosomes, and genetic information in the form of DNA. Created by Sal Khan.
What’s found inside a cell. An organelle (think of it as a cell’s internal organ) is a membrane bound structure found within a cell. Just like cells have membranes to hold everything in, these mini-organs are also bound in a double layer of phospholipids to insulate their little compartments within the larger cells.
The CELL function takes two arguments: info_type and reference.Info_type is a text string that indicates the type of information requested. See the table below for a full list of info types. Reference is a cell reference.Reference is typically a single cell. If reference refers to more than one cell, CELL returns information about the first cell in reference.
Meiosis has two cycles of cell division, conveniently called Meiosis I and Meiosis II. Meiosis I halves the number of chromosomes and is also when crossing over happens. Meiosis II halves the amount of genetic information in each chromosome of each cell. The end result is four daughter cells called haploid cells.
Find out which papers captured our readers' attention in 2023. All papers published in Cancer Cell a year ago are available for free. Celebrating 20 years and beyond. Latest cancer news and research. Cancer Cell provides a high-profile forum to promote major translational and clinical advances in cancer research and oncology.
Level up on all the skills in this unit and collect up to 800 Mastery points! Start Unit test. Take your cellular knowledge to the next level! From organelles to membrane transport, this unit covers the facts you need to know about cells - the tiny building blocks of life.
