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    • Posted by Anurag Singh 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Saleem Khan 4 years, 6 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Sia ? 4 years, 6 months ago

    Coconuts are one of the most useful and beneficial natural ingredients that you will come across with.

    The whole fruit can is used for different purposes.

    The coconut water present inside the shell is an endosperm of free nuclear, but the white kernel present inside it is called the cellular endosperm.

    When the coconut becomes matured, the coconut liquid endosperm turns milky which gets covered by the cellular part known as the kernel.

    However, it does not consist of any free nuclei or cells.

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    • Posted by K. Natraj Natraj 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Richa Keshari 7 years, 4 months ago

    When dna is coiled around octamer of histone it is termed as nucleosome.

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    • Posted by Vaishnavi Rajak 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Ismile Kaur 7 years, 4 months ago

    Because sperms does not survive in high temperature .so it take place outside the body in a sacrotum which has low temperature as compare to our body temperature.

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    • Posted by Vaishnavi Rajak 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Richa Keshari 7 years, 4 months ago

    When they are monozygotic they can simply be clone. Becoz they same genetic order and in this case its really hard to differentiate their dna finger printing. But at high level they can be differentiated at a minor point.

    1Thank You

    Ayush Pal 7 years, 4 months ago

    No

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    • Posted by Himanshi Tomar 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Richa Keshari 7 years, 4 months ago

    Becoz they don't have proof. But when hershey and chase worked on bacteriophages it was prrooved that dna is genetic material.

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    • Posted by Himanshu Sharma 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Ismile Kaur 7 years, 4 months ago

    Insulin is a hormone.it is a chemical messenger produced in one part of the body to have an action on another.it is a protein responsible for regulating blood glucose level.

    1Thank You

    Ashish Pandey 7 years, 4 months ago

    Hormone

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    • Posted by Richa Keshari 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Umakanth N 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Umakanth N 7 years, 4 months ago

    May be FSH

    1Thank You

    Richa Keshari 7 years, 4 months ago

    Testoesterone

    1Thank You

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    • Posted by Hemant Rawat 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Richa Sharma 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 2 answers

    Richa Keshari 7 years, 4 months ago

    Aneuploidy and later categorized under hypoploidy condition

    1Thank You

    Nicky Gautam 7 years, 4 months ago

    It cause syndrom disease

    1Thank You

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    • Posted by Richa Sharma 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Vikash Punia 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Richa Sharma 7 years, 4 months ago

    Gene:- it is the unit of inhertance and contain the information that is required to express a particular trait in an organism. Allele:- genes which code for a pair of contrasting traits are known as allele.

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    • Posted by Harsh Sinha 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Twinkle Sharna 7 years, 4 months ago

    chapter 1 to 12

    2Thank You

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    • Posted by Rehman Ansari 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Richa Keshari 7 years, 4 months ago

    Development of breast in male individual

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    • Posted by Ambuj Maurya 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Deepika Praveen 7 years, 4 months ago

    Insemination is the deliberate introduction of sperm into a female animal or plant for the purpose of impregnating or fertilizing the female for sexual reproduction. ... In mammals, insemination normally occurs during sexual intercourse, but insemination can take place in other ways, such as artificialinsemination.

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    • Posted by Pol Walker 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Parneet Bassi 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Lipika Biswal 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Richa Keshari 7 years, 4 months ago

    Semen in a fluid almost ranging from 2 to 4 ml. It is mixture of sperm along with secretion of seminal vesicles,epididymis and vas deferens

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    • Posted by Komal Yadav 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Raj Singh 7 years, 4 months ago

    The oestrous cycle (U.S: estrous cycle) is the reproductive system in most mammals. Reproductive hormones cause the cycles to start after puberty in sexually mature females. They are interrupted by non-breeding phases or by pregnancies. Usually estrous cycles continue until death.

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    • Posted by Arti Vishwakarma 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Ajin Sreekumar 7 years, 4 months ago

    The cellls of inner most wall layer are radialy elongated and rich in protoplasmic contents this layer is called tapetum. It nourishes the developing microspores

    1Thank You

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    • Posted by S Shelina 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
    ANSWER

    • Posted by Viplav Parashar 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Sweety Sweety 7 years, 4 months ago

    Inheritance means character from the parents come in their children/progeny

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    • Posted by Deep Jaura 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Divyanshi Mishra 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Takar Sonam 7 years, 4 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Hemu Singh 7 years, 4 months ago

    When fats and lipids gets deposits into blood vessels a substance named as cholesterol is formed which increases pressure on the heart

    1Thank You

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    • Posted by Shanaya Singh 5 years, 8 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Yogita Ingle 7 years, 4 months ago

    DNA replication is the basis of biological inheritance where the DNA is copied with the help of various enzymes, such as helicases, topoisomerases, DNA polymerase and DNA ligase. In a bacterial cell, DNA replication begins at a specific point called the ‘origin of replication’. This is the reason why a piece of DNA is cloned into a vector during recombinant DNA procedures, as it is the vector that provides the origin of replication. In eukaryotes with large DNA molecules, there may be many origins of replication that finally merge with one another. During replication, helicases unwind and uncoil the DNA double helix into single strands of DNA by the breakdown of hydrogen bonds. DNA polymerase uses the DNA template to catalyse the polymerisation of deoxyribonucleotides. The deoxyribonucleoside triphosphates act as substrates and also the terminal phosphates in it break down to provide energy as ATP. Due to the high energy requirement, two DNA strands do not always separate completely. But, to facilitate the separation of a DNA helix, the enzyme topoisomerase cuts and rejoins one strand of the DNA, which then unzips the double-stranded DNA. As a result, replication bubbles are formed that extend as a Y-shaped replication fork. This replication fork is actually a small opening in the DNA helix where replication occurs.

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    • Posted by Anushka Rashmi 7 years, 5 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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    • Posted by Ashwini M Gupta 7 years, 5 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Yogita Ingle 7 years, 4 months ago

    The proposition of a double helix structure for DNA and its simplicity in explaining the genetic implication became revolutionary. Very soon, Francis Crick proposed the Central dogma in molecular biology, which states that the genetic information flows from DNA→RNA→Protein.
    This means that the DNA is coded into a type of RNA(mRNA) which is used in protein formation.
    In some viruses for example Retro-virus a process called reverse central dogma is performed in which the RNA genome of virus is processed into DNA.

    1Thank You

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    • Posted by Nupur Kansal 7 years, 5 months ago

    CBSE > Class 12 > Biology
    • 0 answers
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