MPT - 221086

Saloni A Female, 32 Years

Associated for 3 Years 1 Month
Spreading knowledge
College Level Tutor

Activity Score - 142

  • Online
Area: Gumti No. 5
Location: Kanpur, India
  • Total Experience:
    3 Years
  • Hourly Fees:
    INR 500
Tutoring Experience :

Myself saloni Agarwal, pursuing Ph.D. from IIT Kanpur. Although I don't have any previous experience in teaching but experienced enough as i was student once. I will try my best to make my student understand about the subject.

Tutoring Option :
Online Tuition Only
Tutoring Approach :

if one understands the basic one will be able to solve the complex problems

Teaches:
College Level Bio Technology Banaras Hindu University Varanasi INR 500 / Hour

1 Note written by me

  • Macromolecules Of The Cell

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    Short note on Macromolecules of the Cell.

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  • Answer:

    Genetic Engineering is a tool to manipulate the DNA ie either introducing new or remove heritable material from the host cell. For performing this kind of engineering many properties of DNA are used-

    - Proteins are basic building of cell and all the information of protein is stored in the DNA. So the quality of DNA that it is the blueprint of information is explored in genetic engineering.

    - DNA can be easily cut and paste by using endonuclease and ligase respectively. So it is easy to clone them into a vector and then later introduce them into a host cell.

    - Further, recombination is a property of DNA which is also used in genetic engineering.

    - In DNA base sequences are complentry ie one strand can decide the sequence of the other stand. This property of DNA can be used in genetic engineering

     

  • Question: What are transgenic organisms?

    Posted in: Biology | Date: 28/09/2016

    Answer:

    Transgenic organisms are geneticaly manipulated organism ie in those organism the information in the form of DNA coding either deleted (makes knock out organism) or introduced ( makes knock in organism). By doing so we generate certain phenotype in those orgnism. These kind of organisms are good model to study the effect of certain protein or study the disease condition which is caused because of the change in DNA sequence ie mutation.

    For example if  we  want to make a animal which can glow green we simply introduced GFP protein (Green fluroscent protein ) into it. which makes it a knock in transgenic animal as we introduced certain phenotype into it.

    or, for example we know certain disease is caused because of the mutation in 'X' protein and we need to make an animal model so that we can stidy that disease condition we simply delete that protein from normal organism (knock out animal ).

     

  • Question: What is osmoregulation?

    Posted in: Biology | Date: 28/09/2016

    Answer:

    For the proper functioning of the body body needs to regulate its fluid concentration. Because the basic unit of the body is cell and in hypotonic condition if too much water flow inside then cel can burst and in hypertonic condition water will go outside of cell and it may shrink. In both the condition the homeostais will disturb so, to maintain homeostasis ie to provide the isotonic env. body maintains its fluid balance as well as electrolyte conc. , by doing so it prevents the fluid becoming too concentrated (hypertonic) or too diluted (hypotnic) respectively.

  • Answer:

    Neurons are the longest cells in the body. The basic structure consist two parts one is the cell body and another is the axon. One more importent structure is the dendrites which is also the part of cell body. So the dendrites receive the signal  from the neighbouring neuron bring it to the cell body then these signals in the form of nerve impulse passing through the axons and via the axon terminals these signal are passed to the next neighbour neuron. So it's the axon which conduct a nerve impulse away from the body.

     

  • Answer:

    Neurons are the longest cells in the body. The basic structure consist two parts one is the cell body and another is the axon. One more importent structure is the dendrites which is also the part of cell body. So the dendrites receive the signal  from the neighbouring neuron bring it to the cell body then these signals in the form of nerve impulse passing through the axons and via the axon terminals these signal are passed to the next neighbour neuron. So it's the dendrites which conduct a nerve impulse towards the cell body.

  • Question: Why is DNA called a polynucleotide?

    Posted in: Biology | Date: 28/09/2016

    Answer:

    The basic unit of DNA is nucleotide. Nucleotide composed of one ribose sugar one nitrogen base and the triphosphate group joint together by the covalent bond. Nucleotides varied from each other on the basis of nitrogen base which are of four kind in the DNA Adenine, Guanine Thymine Cytosine because of that nucleotides are the four type -  Adenosine triphosphate nucleotide, Guanosine triphosphate nucleotide, Cytidine triphosphate nucleotide, Thymidine triphosphate nucleotide. Now the DNA is a long strand made by these nucleotides joining together by covalent bond so this is called polynucleotide (many neclotide joining together to make the DNA)

  • Question: Who isolated DNA for the first time from pus cells?

    Posted in: Biology | Date: 28/09/2016

    Answer:

    Friedrich Miescher

  • Question: What is a vestigial organ?

    Posted in: Biology | Date: 29/09/2016

    Answer:

    Vestigial organs are the organ that have lost some or all of their ancestral function in a given species, but have been retained during the process of evolution.

    For example-  vermiform appendix, wisdom tooth, ear pinna, male nipple etc

  • Answer:

    Sergei Navashin

  • Answer:

    Number of chromosome are different between ape and man as ape contains 48 chromosome whereas man contain 46 chromosome . However, total of DNA and banding pattern (these  re light and dark transverse bands on chromosomes, these bands describes the gene location on chromosome) on chromosome are quite similar and in few cases identical to the banding pattern of apparently homologous chromosomes in great apes.This can be particularly noticed in banding pattern of chromosomes 3 and 6 when human chromosomes are compared with chimpanzee and also DNA-DNA hybridisation experiments between apes and man showed that there exists only 2.5% difference between the DNA of chimpanzee and man.

  • Answer:

    The RNA synthesis on DNA template is termed as transcription.

  • Answer:

    Vasectomy

  • Answer:

    Parthenocarpy

  • Question: Why Malignant tumours are considered dangerous?

    Posted in: Biology | Date: 29/09/2016

    Answer:

    Cancer is of two type 1) Benign Tumour 2) Malignant Tumour, Benign tumors do not spread into other part of body can be removed on the other hand malignant tumors are cancerous and are made up of cells that grow out of control. Cells in these tumours can invade nearby tissues termed as metastasis and spread to other parts of the body from the original (primary) cancer site where they can continue to grow and form another tumour at that site. Metastases keep the name of the original cancer location. e.g. pancreatic cancer that has spread to the liver is still called pancreatic cancer.

  • Question: What is the central nervous system composed of?

    Posted in: Biology | Date: 06/09/2018

    Answer:

    Central Nervous System consists of:

    Brain and Spinal cord

     

  • Question: which part of flower form it's fruit

    Posted in: Biology | Date: 06/09/2018

    Answer:

    So ovary of the flower develops into the fruit while  ovule which is a eggbearing structure of flower develope into the seed .

  • Question: Where is the chlorophyll found?

    Posted in: Biology | Date: 06/09/2018

    Answer:

    chlorophyll is a green pigment which is mainly found in the thylakoid sacs of the chloroplast present in the cytoplasm of green plant cells. For making my answer more clear I am attaching a visual also.

  • Question: What enzyme checks for errors in DNA replication?

    Posted in: Biology | Date: 07/09/2018

    Answer:

    Hello,

    So there is an enzyme DNA polymerase which helps in DNA replication and during that process, if an error happens then it proofread itself and remove that error by replacing that with correct nucleotide.

    For the reference, I am attaching an image. I hope it solves your doubt

     

  • Answer:

    Hello,

    So what happens is, as in other chordates our skeleton system is more adaptive for walking but in birds is more adaptive for flight. Following are the point which makes their skeleton system different from other chordates. 1)Their bones are light weight as they have air sacs instead of bone marrow unlike rest of chordates. The cavities of the bones are connected with the lungs this unique characteristic enables the bird to fly despite the gravitation field. For reference, I am attaching an image of their bone too 2)Unlike other animals, birds have the two clavicles fused forming the furcula or bone-wish which is both flexible and strong enough to support the shoulder girdle during flapping.  3)Birds have more fused bones including the collarbone and the bone-wish which make the skeleton flexible for flight. 4) Birds also have their sternums larger relative to the other body parts the advantage of which is that it  provides sturdy attachment points of wing muscles. 

  • Question: What are the inputs and outputs of respiration?

    Posted in: Biology | Date: 07/09/2018

    Answer:

    Hello,

    I think, respiration in physiological terms is simple breathing, in which input is oxygen and output is carbon dioxide. However, in terms of biochemistry respiration is a cellular metabolic process where organism obtain energy in terms of ATP by oxidizing nutrients. So in that case input will be Glucose and Oxyzen while output will be water, carbon dioxide and of course ATP molecule.

    I hope it solves your doubt.

  • Answer:

    C) Ureter. Since it is a duct by which urine passes from kidney to the bladder so it is the part of excretory system not the reproductive system.

  • Question: What are the products of the photosynthesis?

    Posted in: Biology | Date: 07/09/2018

    Answer:

    Glucose and oxyzen are the product of photosynthesis.

  • Question: Photolysis of water in bacteria? Yes or no

    Posted in: Biology | Date: 07/09/2018

    Answer:

    No. Since photolysis is part of photosynthesis which happens only in the plant to divide water into hydrogen and oxygen inside chlorophyll. Which can not possible in bacteria.

     

  • Question: Gene therapy can be used to correct one of the following

    Posted in: Biology | Date: 07/09/2018

    Answer:

    A) SCID

    Explanation: Since HIV, Hepatitis and Typhoid are the infectious diseases. On the other hand, SCID is caused by genetic mutation and Gene Therapy can correct only the genetic defects so the answer is A.

     

  • Answer:

    Medulla Oblangata

  • Question: What is the full forms of NADP?

    Posted in: Biology | Date: 13/09/2018

    Answer:

    Nicotinamide adenine dinucleotide phosphate

  • Answer:

    electrostatic precipitator

  • Question: Which provides energy very slowly?

    Posted in: Biology | Date: 13/09/2018

    Answer:

    Fats

  • Question: What is the approximate pH of saliva secretion?

    Posted in: Biology | Date: 13/09/2018

    Answer:

    7.4

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