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Description [menu]
Big scientific encyclopedia "Cell biology" - meiosis and mitosis, cytokines, cellular processes, signaling, movement, growth factors, etc.
Cell biology (also cellular biology or cytology) - the science of cells. The subject of cytology is the cell as a structural and functional unit of life. The tasks of cytology include the study of the structure and functioning of cells, their chemical composition, functions of individual cellular components, processes of cell reproduction, adaptation to environmental conditions, study of the structural features of specialized cells, etc. Research in cellular biology is interconnected to other fields such as genetics, molecular genetics, biochemistry, molecular biology, medical microbiology, immunology, and cytochemistry.
Organelles are permanent intracellular structures that differ in structure and perform various functions. Organelles are subdivided into membrane (two-membrane and one-membrane) and non-membrane. The two-membrane components are plastids, mitochondria and the cell nucleus. The organelles of the vacuolar system are one-membrane organelles - the endoplasmic reticulum, the Golgi complex, lysosomes, vacuoles of plant and fungal cells, pulsating vacuoles, etc. Nonmembrane organelles include the ribosomes and the cell center, which are constantly present in the cell.
Mitochondria are integral components of all eukaryotic cells. They are granular or threadlike structures. Mitochondria are bounded by two membranes - the outer and the inner. The outer mitochondrial membrane separates it from the hyaloplasm. The inner membrane forms many invaginations inside the mitochondria - the so-called cristae.
Mitosis is a method of cell division in which genetic material (chromosomes) is distributed equally between new (daughter) cells. It starts by dividing the core into two children. The cytoplasm is similarly divided. The processes that take place from one division to another are called the mitotic cycle.
Meiosis is a stage in the formation of germ cells; consists of two successive divisions of the original diploid cell (containing two sets of chromosomes) and the formation of four haploid germ cells, or gametes (containing one set of chromosomes).
The cytoskeleton, a set of filamentous protein structures - microtubules and microfilaments that make up the musculoskeletal system of the cell. The cytoskeleton is possessed only by eukaryotic cells; it is absent in the cells of prokaryotes (bacteria). The cytoskeleton gives the cell a certain shape even in the absence of a rigid cell wall. It organizes the movement of organelles in the cytoplasm. The cytoskeleton is easily rearranged, providing, if necessary, a change in the shape of the cells.
Amino acids are the structural components of proteins. Proteins are biological heteropolymers, the monomers of which are amino acids. About 200 amino acids are known to be found in living organisms, but only 20 of them are part of proteins. These are basic, or protein-forming (proteinogenic), amino acids.
By their chemical nature, enzymes are simple or complex proteins; their molecules may include a non-protein part - a coenzyme. The mechanism of action of enzymes is to reduce the activation energy of the catalyzed reaction. This is achieved by attaching the enzyme to the reacting substances and forming an intermediate complex with them, as a result of which the energy threshold of the reaction decreases and the probability of its proceeding in the desired direction sharply increases.
This science dictionary cellular biology book free offline:
• contains over 7500 definitions of characteristics and terms;
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• voice search;
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• is an ideal app for quick reference or book to learn biology.
How to install Cell biology APK for Android [menu]
Download Cell biology APK file (com.dictionary.cell.biology.cellbiology_16002285_70246630.apk) from SameAPK.com, then follow these steps:
Update Phone Settings
- Go to your phone Settings page
- Tap Security or Applications (varies with device)
- Check the Unknown Sources box
- Confirm with OK
Go to Downloads
- Open Downloads on your device by going to My Files or Files
- Tap the APK file you downloaded (com.dictionary.cell.biology.cellbiology_16002285_70246630.apk)
- Tap Install when prompted, the APK file you downloaded will be installed on your device.
How to install Cell biology APK on Windows 7/8/10 or MAC PC? [menu]
Download Cell biology APK file(com.dictionary.cell.biology.cellbiology_16002285_70246630.apk) from SameAPK.com to your PC (ex: /Users/xxx/Downloads/(com.dictionary.cell.biology.cellbiology_16002285_70246630.apk)), then follow these steps:
Using Emulator:
- Download And Install one Emulator Softwares (Ex: Bluestacks, GenyMotion, NoxPlayer)
- Simple install APK on PC by drag and drop file com.dictionary.cell.biology.cellbiology_16002285_70246630.apk on Emulator screen
Cell biology APK Pros & Cons [menu]
Pros
- This app is safe, it's not require high risk permissions
- Compatible with 32 bit device (most Emulator using 32bit arch CPU)
- Compatible with 64-bit device (some android device and current Bluestacks)
Cons
Everything is good.
