Who demonstrated that viruses are inert outside the host cell and can be crystallised?
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Nucleus of a donor embryonal cell/ somatic cell is transferred to a an enucleated egg cell. Then after the formation of organim , what shall be true ?
Correct Answer - B The organism will have extranuclear genes of recipient cell. Since , the recipient cell has already been enucleated (its nucleus is removed), the organism developing from it...
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Name the host and the site where the following occur in the life cycle of a malarial parasite : (a) Formation of gametocytes. (b) Fusion of gametocyte
(a) Human Host `to` RBC (b) Mosquito Host `to` Female Anopheles.
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Give reasons why : (a) DNA cannot pass into a host cell through the cell membrane. (b) Proteases are added during isolation of DNA for genetic enginee
(a) DNA cannot pass into a host cell through the cell membrane as the DNA molecule is polar (negatively charged) and plasma membrane is non-polar (hydrophobic) in nature. (b) Proteases...
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(a) Name the group of viruses responsible for causing AIDS in humans. Why are these viruses so named? (b) List any two ways of transmission of HIV inf
(a) Retrovirus : These are named so because they have RNA genome. They have reverse transcriptase enzyme which carries on the processes `RNto DNAto RNA`. (b) (i) Through infected blood...
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Give examples of: 1. Diseases caused by viruses in plants: 2. Diseases caused by viruses in animals:
1. Diseases caused by viruses in plants: Leaf curling, yellowing, mosaic formation, etc. 2. Diseases caused by viruses in animals: Swine flu, Small pox, mumps, herpes, common cold, AIDS, etc.
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1. Smallest cell 2. Longest cell in animals 3. Largest cell
1. Mycoplasma (0.3 µm) 2. Nerve cell 3. Ostrich egg
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1. Smallest cell 2. Longest cell in animals 3. Largest cell
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______________ is intelligence demonstrated by machines, in contrast to the natural intelligence displayed by humans and other animals.
Artificial Intelligence
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Dynamic Host Configuration Protocol can automatically assign internet addresses to ______________ and ______________
(A) Computers (D) Users
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Match the following: Dynamic Host Configuration Protocol, File Transfer Protocol, Sending and receiving web pages
Column ‘A’ Column ‘B’ (1) Domain Name System (D) Translates Network Address (2) Dynamic Host Configuration Protocol (C) Automatically assign internet addresses (3)File Transfer Protocol (B) Transfer and manipulate files (4) Hyper Text Transfer Protocol (A) Sending and receiving...
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