Briefly describe what is cell wall ? -Biology

1 Answer

Answer :

Plant cell in addition to the cell membrane have another rigid outer covering called the cell wall lies outside the plama membrane. The plant cell wall is mainly composed of cellulose. Celulose is a complex substance and provides structural strength to plants

Related questions

Description : Briefly describe striated and smooth muscles with their functions. -Biology 9th

Last Answer : Striated muscles provide the force for locomotion and all other voluntary movements of the body. The smooth muscles are also known as unstriated or involuntary muscles. Smooth muscles occur as bundles ... fusiform or spindle-shaped cells or fibres. They are held together by loose connective tissue.

Description : Briefly describe striated and smooth muscles with their functions. -Biology 9th

Last Answer : answer:

Description : Briefly describe the bird flu (Avian Influenza). -Biology

Last Answer : Bird Flu (Avian Flu H5N1) Avian (bird) flu is an illness also caused by an influenza- A virus. Most human illnesses from avian flu have been caused by the LPAI (low pathogenic avian flu) ... H5N1 vaccine is available from the US government; it is not typically suggested as a season flu vaccine.

Description : Describe briefly four ways in which individuals with a particular trait may increase in a population. -Biology

Last Answer : The four ways in which individuals with a particular trait may increase in a population are as follows: Sexual reproduction results into variations.The individuals with special traits survive the ... without any adaptation.Variations in the species may lead to increased survival of the individuals.

Description : Briefly describe various steps involved in plant breeding. -Biology

Last Answer : The four steps are: (1) Creation of genetic variation by various means (2) Selection (3) Evaluation and Release as a variety and (4) Seed multiplication and distribution among farmers.

Description : Describe briefly any three economic effects of the Non-Cooperation Movement. -SST 10th

Last Answer : (i) Boycott of foreign goods : People decided to boycott foreign goods and wear Swadeshi clothes, and use Swadeshi goods. (ii) Impact on imports : As people began discarding imported clothes, ... As people decided to boycott foreign clothes, production of Indian textile mills and handloom went up.

Description : Describe briefly the ‘Salt March’ undertaken by Mahatma Gandhi. -SST 10th

Last Answer : Mahatma Gandhi chose Salt' as powerful symbol that could unite the nation. After warning,the Viceroy in his letter of 31 January, 1930, that the tax on salt was the most oppressive Act of ... -22, asked people not only to refuse cooperation with the British, but also to break colonial laws.

Description : Describe briefly any three economic effects of Non-Cooperaton Movement. -SST 10th

Last Answer : The effects of Non-Cooperation on economic front were : (i) foregin goods were boycotted, (ii) liquor shops were picketed and (iii) import of foreign cloth was halved as it was burnt in huge bonfires. Production of Indian textile mills and handlooms went up.

Description : Describe briefly the effects of Rinderpest in Africa in the 1980s. -SST 10th

Last Answer : The loss of cattle affected African livelihoods. Haunters, mine owners and colonial powers now bad monoply over what scarce cattle resources remained. After control over the scarce cattle resources, European colonisers could conquer and subdue Africa.

Description : Describe briefly the ‘Salt March’ undertaken by Mahatma Gandhi. -SST 10th

Last Answer : The tax on salt and the government monopoly over its production made Mahatma Gandhi very much disturbed. In his opinion, it was a gross atrocity on the part of the British government. Salt ... history of Indian national movement. People from all walks of life participated in this historic march.

Description : Briefly describe the process of German unification. -SST 10th

Last Answer : (i) In the 1800s, nationalist feelings were strong in the hearts of the middle-class Germans. (ii) They united in 1848 to create a nation-state out of the numerous German states. (iii) ... 1871, the Prussian king, William I, was proclaimed the German Emperor in a ceremony held at Versailles.

Description : Describe briefly the value of forests to man. -SST 10th

Last Answer : (i) They influence the climate. (ii) Prevent floods (iii) They provide the natural habitat for the animals. (iv) They provide the raw material for a number of industries, sports, paper, medicines. (v ... to crores of our people. (vi) They help in agriculture. (vii) They prevent erosion by wind.

Description : Briefly describe the growth of the Assertive Nationalism with the help of Revolution’s impact. -SST 10th

Last Answer : There were revolutions in many parts of the World where imperialism actively oppressed the free people. This was the special feature of the early years of the twentieth century. There were revolutions in ... a vow not to rest till they liberated their mother country, India, from the British Rule.

Description : Briefly describe how the partition of Bengal led to die separatist tendency between the Hindus and Muslims. -SST 10th

Last Answer : The newly created Muslim majority province gave them the feeling that it was a source of strength to them and a center of their political activity, separate from die Hindus.

Description : With the help of economic backwardness, describe briefly the development of separatist trend among the Muslims in India. -SST 10th

Last Answer : The economic backwardness of the country was also responsible for the growth of communalism. Since there was not much industrial development so there was an acute problem of unemployment. The communities ... of religion, caste and region. This became an obstacle in the path of national unity.

Description : With the help of the Motilal Nehru Report 1928, briefly describe the events that led to the launching of the Civil Disobedience Movement. -SST 10th

Last Answer : The Secretary of State for India, Lord Birkenhead, asked the Indian leaders to prepare and produce a Constitution for India which should be acceptable to all the political parties of India. ... Fourteen Points Plan, as the minimum condition, acceptable to the League for any political settlement.

Description : Describe briefly the events that led to Mr. Clement Attlee’s announcement of 20th February, 1947. -SST 10th

Last Answer : In Calcutta, on 16th August, 1946, the Muslim League held demonstrations, hartals and also hoisted Muslim League's flag. But their activities soon took a violent shape. There were riots, looting and killing in ... in Punjab. Gandhiji said, we are not in midst of Civil War but we are nearing it.'

Description : Describe briefly what is meant by non-alignment? -SST 10th

Last Answer : Non-alignment is an independent movement that enables each nation to follow its own policies by neither joining any super-power bloc nor coming under their influence.

Description : Describe briefly how salt is collected from seawater. -Science

Last Answer : (a) Common salt is obtained from sea-water by the process of evaporation. ... The sun's heat evaporates the water slowly and common salt is left behind. This impure common salt obtained has impurities and is hence purified to obtain pure common salt by recrystallization.

Description : Can you Describe briefly about the human life and animal life in torrid zones?

Last Answer : More than half the animal life found on the planet today live in the torrid zone. In tropic rainforest that is part of the torrid zone, you'll find many toucans and parrots. The toucans are ... a modern day lifestyle where people living in the Amazon and Congo basin have more a primitive lifestyle.

Description : Describe briefly different types of systems of units.

Last Answer : Describe briefly different types of systems of units.

Description : List and briefly describe twitter marketing tools?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

Description : Briefly , describe about the foreignness of a molecule, which makes a substance antigenic?

Last Answer : To be antigenic macromolecules must come from foreign source. Antigens from related species are less antigenic than that of unrelated species. More distance the antigen source the better is the antigenesity. ... good antigens in animals, where as duck serum proteins are not good antigens for chick.

Description : Briefly describe about dosage and route of administration , which make a substance antigenic.

Last Answer : Combination of optical dosage and routes of administration will induce a peak immune response in a given animal. An insufficient dose will not stimulate an immune response. An excessive dose ... it causes a state of immunological unresponsiveness or non-response known as immunological tolerance.

Description : Briefly describe about precipitation reaction ?

Last Answer : When a soluble antigen combines with corresponding antibody in the presence of electrolyte at a suitable temperature and pH, the antigen-antibody complex forms an insoluble precipitate .Antibodies that form precipitate ate called precipitants.

Description : Briefly describe the principle and function of a camera. Mention its essential parts along with brief comparison with an eye.

Last Answer : The most important tool of photography is the camera itself. Basically, a camera is a lighttight box with a lens on one side and light-sensitive film on the other. Parts: 1.camera box 2. ... change distance between lens & film in camera and change focal length of lens using ciliary muscles in eye.

Description : Briefly describe the five accessibility requirements of the Certified for Windows logo program.

Last Answer : The five requirements are o Support standard system settings. This requires your application to be able to conform to system settings for colors, fonts, and other UI elements. o Be ... information by sound alone. This requirement can be met by providing redundant means of conveying information.

Description : Briefly describe how to use the PrintDocument component to print a document. Discuss maintaining correct line spacing and multipage documents.

Last Answer : The PrintDocument class exposes the Print method, which raises the PrintPage event. Code to render printed items to the printer should be placed in the PrintPage event handler. The PrintPage event ... been printed, you must incorporate all logic for printing multiple pages into your event handler.

Description : Briefly describe the three types of user-developed controls and how they differ.

Last Answer : The three types of user-developed controls are inherited controls, user controls, and custom controls. An inherited control derives from a standard Windows Forms control and inherits the ... inherit only generic control functionality. All specific functionality must be implemented by the developer.

Description : What are the four major parts of a SQL SELECT statement? Briefly describe each one.

Last Answer : The four major parts of a SELECT statement are SELECT, FROM, WHERE, and ORDER BY. SELECT specifies the fields to be retrieved. FROM specifies the table from which the records are to be retrieved. WHERE ... the records to be retrieved, and ORDER BY allows you to specify a sort order for the records.

Description : Briefly describe an XmlDataDocument and how it relates to a DataSet.

Last Answer : An XmlDataDocument is an in-memory representation of data in a hierarchical XML format. Each XmlDataDocument is synchronized with a DataSet. Whenever changes are made to one object, the other is instantly updated. Thus, you can use the XmlDataDocument to perform XML manipulations on a DataSet.

Description : What are the two kinds of multidimensional arrays? Briefly describe each.

Last Answer : Multidimensional arrays can be either rectangular arrays or jagged arrays. A rectangular array can be thought of as a table, where each row has the same number of columns. Rectangular arrays with ... dimensional jagged array is like a table where each row might have a different number of columns.

Description : Briefly describe how a class is similar to a structure. How are they different?

Last Answer : Both classes and structures can have members such as methods, properties, and fields, both use a constructor for initialization, and both inherit from System.Object. Both classes and structures can be ... are value types, and the memory that holds structure instances is allocated on the stack. 

Description : Briefly describe what members are, and list the four types of members.

Last Answer : Members are the parts of a class or a structure that hold data or implement functionality. The primary member types are fields, properties, methods, and events.

Description : Briefly describe how garbage collection works.

Last Answer : The garbage collector is a thread that runs in the background of managed .NET applications. It constantly traces the reference tree and attempts to find objects that are no longer referenced. When a nonreferenced object is found, its memory is reclaimed for later use.

Description : Briefly describe the major components of the .NET Framework and describe what each component does.

Last Answer : The .NET Framework consists of two primary parts: the common language runtime, which manages application execution, enforces type safety, and manages memory reclamation, and the .NET base class library, which consists of thousands of predeveloped classes that can be used to build applications.

Description : Briefly describe gene therapy

Last Answer : It is an advanced biotechnological technique which is used to cure genetic and acquired diseases like cancer and AIDS. In the process, defective genes are supplemented or replaced by normal genes.

Description : Describe Briefly The Advantages And Disadvantages Of Using Plastic And Timber Fenders?

Last Answer : Answer : The advantages and disadvantages of using plastic fenders are as follows: Plastic fenders are low in strength with a relatively high resistance to abrasion. Plastic fenders are resistant ... of contact. Also since they are made from recycled material they are environmental friendly.

Description : Describe Briefly The Various Methods Of Concrete Curing?

Last Answer : Answer : Curing is the process of maintaining the moisture and temperature conditions for freshly deployed concrete. This is done for small duration of time to allow the hardening of concrete. The methods that ... can be applied on curing surface. This keeps the surface wet for a very long time.

Description : Briefly describe how ion channels function.

Last Answer : Ion channels open and close in response to chemical or mechanical signals. When an ion channel opens, ions rapidly move into or out of the cell. Most ion channels close and enter a resting ... gradient and can lead to a rapid wave of ion channel activation throughout the entire plasma membrane.

Description : Briefly, describe how GPCR and heterotrimeric G protein-mediated signaling occurs.

Last Answer : Binding of a signaling molecule (ligand) to GPCRs causes a conformation change in GPCR, leading to heterotrimeric G protein activation, where GTP physically replaces the GDP bound to the alpha ... some G proteins stimulate the activity of target proteins, whereas others G proteins are inhibitory.

Description : Describe Briefly The Accumulator Register Of 8085.?

Last Answer : Answer :It is one of the most important 8 bit register of 8085 It is responsible for coordinating input and output to and from the microprocessor through it. The primary purpose of ... logical operations. This accumulator register is mainly used for arithmetic, logical, store and rotate operations.

Description : What Is A Stack Pointer Register, Describe Briefly.?

Last Answer : Answer :The Stack pointer is a sixteen bit register used to point at the stack. In read write memory the locations at which temporary data and return addresses are stored is known as the stack. ... to avoid program crashes a program should always be written at one end and initialized at the other.

Description : Briefly describe about ‘rotary compressor’?  

Last Answer : Rotary compressors have rotors in place of pistons and give a continuous, pulsation free discharge. They operate at high speed and generally provide higher throughput than reciprocating compressors. They are directly ... , vibrate less, and have a lower number of parts which are subject to wear. 

Description : Describe briefly soldering and brazing operation.

Last Answer : Soldering: It is a method of joining two or more pieces of metal sheets by means of a fusible alloy or metal , called solder, applied in the molten state. The melting point of the ... by metallic bonding. Copper, Copper alloys, Silver alloys and Aluminium alloys are used for brazing process. 

Description : Describe briefly any two die accessories.

Last Answer : 1. Stops: The stops are used for correct spacing of the sheet metal as it is fed below the punch to give the greatest output in given length of the plate. 2. Pilots: The pilot ... 5. Pressure pad: It is used for drawing operation for maintaining flat surface of the cup   

Description : Describe briefly, hand forging and machine forging. 

Last Answer : Hand Forging: [1] Hand forging is the oldest type of metal working process and has influenced the formation of other materials through the age. [2] Smith forging was formerly the process ... the height from which they fall, the higher will be intensity of blow the hammer will provide.

Description : Write briefly about (a) Shock Waves (b) Sound Barrier (c) Solar Cell (d) Super Fluid (e) Tsunami (f) Photovoltaic Cell (g) Hygrometer

Last Answer : (a) Shock Waves In fluid dynamics, a shock wave is a nonlinear or discontinuous pressure wave. It can also be when the actual molecular or particle speed is moving faster than the wave ... . Evaporation from the bulb lowers the temperature so that this thermometer usually shows a lower temperature.