Description : $ Hormones are the secretions to all theory. ! During mitosis the number of chromosomes is reduced to a half.
Last Answer : $ Hormones are the secretions to all theory. ! During mitosis the number of chromosomes is reduced to a half ... wrong D. If both As and R are wrong.
Description : Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth
Last Answer : (3) The Chromosome number is doubled
Description : What is true about viruses without exception? (1) They contain a core of RNA (2) They can infect bacteria (3) They cannot produce antibodies (4) They can multiply only in host cells
Last Answer : (4) They can multiply only in host cells Explanation: Viruses do not contain enzymes for energy production or protein synthesis. For a virus to multiply, it must invade a host cell and direct the host ... proteins, and copies of its nucleic acid, using the host cell's ATP to power the reactions.
Last Answer : They can multiply only in host cells
Description : What structure is involved in moving chromosomes during mitosis? -Biology
Last Answer : answer:
Description : When Chromosomes condense and become visible during which stage of mitosis?
Last Answer : Feel Free to Answer
Description : What stage During which stage of mitosis does chromatin condense into chromosomes?
Last Answer : Need answer
Description : why is it important for chromosomes to line up in the middle of the cell during mitosis?
Last Answer : If the chromosomes don't line up then they wont get pulled in the rite direction. I studied mitosis, and its way ro much to rember
Description : During the metaphase stage of mitosis, spindle fibres attach to chromosomes at (a) kinetochore (b) both centromere and kinetochore (c) centromere, kinetochore and areas adjoining centromere (d) centromere.
Last Answer : a) kinetochore
Description : How does the number of chromosomes in each of the daughter cells produced in mitosis compared to the number of chromosomes in the original cell?
Last Answer : In which phase of plant cell mitosis is the most time spent? Inwhich phase of animal cell mitosis?
Description : At what stage of mitosis new chromosomes are formed ?
Last Answer : Answer : New chromosomes are formed during the prophase stage of mitosis
Description : A step in the process of mitosis where the chromosomes come to the equatorial region and look thicker and shorter .
Last Answer : Answer : Metaphase is a step in the process of mitosis where the chromosomes come to the equatorial region and look thicker and shorter.
Description : At what stage of mitosis do the chromosomes form VLJ or I ?
Last Answer : Answer : In the anaphase stage of mitosis, the chromosomes have VLJ or I shape.
Description : At what stage of mitosis do the chromosomes resemble the English alphabet J ?
Last Answer : The chromosomes in the anaphase stage of mitosis are like the English alphabet J.
Description : At what stage of mitosis division do the chromosomes become the shortest and thickest ?
Last Answer : In the metaphase stage of mitosis division, the chromosomes become the shortest and thickest.
Description : In which of the following stages of mitosis, chromosomes are most condensed ?
Last Answer : In which of the following stages of mitosis, chromosomes are most condensed ? A. Stage ... plate formation and stage of decondensation of chromosomes
Description : In which stage of mitosis, the chromosomes are composed of two chromatids ?
Last Answer : In which stage of mitosis, the chromosomes are composed of two chromatids ? A. Prophase & ... C. Prophase and telophase D. Metaphase and anaphase
Description : In which phase of mitosis are chromosomes lined up on the equator of the spindle?
Description : What is the phase of mitosis where chromosomes become visible for the first time?
Description : What phase of mitosis in which the chromosomes begin to uncoil and form chromatin?
Last Answer : Telophase
Description : What stage of mitosis do the chromosomes line up in the middle?
Last Answer : During Metaphase, they line up in the middle. MiddleMetaphase.
Description : In the shortest phase of mitosis the sep- aration of newly formed chromosomes occurs. Which is that phase?
Last Answer : Anaphase
Description : Select the correct option with respect to mitosis. (a) Chromatids separate but remain in the centre of the cell in anaphase. (b) Chromatids start moving towards opposite poles in telophase. (c ... . (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.
Last Answer : (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.
Description : A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? (a) Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids ... chromatids separate and start moving away. (d) Late prophase - Chromosomes move to spindle equator.
Last Answer : (b) Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids.
Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to ... will not segregate. (c) Recombination of chromosome arms will occur. (d) Chromosomes will not condense
Last Answer : (b) Chromosomes will not segregate.
Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ... will not segregate (3) Recombination of chromosome arms will occur (4) Chromosomes will not condense
Last Answer : (2) Chromosomes will not segregate
Description : $ When the total number of chromosomes is not the exact multiple of the haploid number of an organisms, the phenomenon is called euploidy. ! Euploidy
Last Answer : $ When the total number of chromosomes is not the exact multiple of the haploid number of an organisms, the ... wrong D. If both As and R are wrong.
Description : $ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living organisms which are aquatic.
Last Answer : $ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living ... wrong D. If both As and R are wrong.
Description : Viruses are no more “alive” than isolated chromosomes because (a) they require both RNA and DNA (b) they both need food molecules (c) they both require oxygen for respiration (d) both require the environment of a cell to replicate.
Last Answer : (d) both require the environment of a cell to replicate.
Description : Recombination of virus genomes occurs A- by transduction B- by transcription C- simultaneous infection of a host cell by two viruses with homologous chromosomes D- by transformation
Last Answer : simultaneous infection of a host cell by two viruses with homologous chromosomes
Description : $ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human females.
Last Answer : $ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human ... wrong D. If both As and R are wrong.
Description : $ DNA replication in a bacterial cell is bidirectional. ! A chromosomes with primary constriction is called "SAT" chromosomes.
Last Answer : $ DNA replication in a bacterial cell is bidirectional. ! A chromosomes with primary constriction is called "SAT ... D. If both As and R are wrong.
Description : $ The term chromosome was introduced by Waldeyer. ! Sex chromosomes are also called Heterosomes.
Last Answer : $ The term chromosome was introduced by Waldeyer. ! Sex chromosomes are also called Heterosomes. A. If both ... wrong D. If both As and R are wrong.
Description : $ Inharitance of flower colour in mirabilis jalapa is type of polygenic inheritance. ! Polysomes are a type of chromosomes.
Last Answer : $ Inharitance of flower colour in mirabilis jalapa is type of polygenic inheritance. ! Polysomes are a type ... wrong D. If both As and R are wrong.
Description : $ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric genes are present both in men as well as wo
Last Answer : $ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric ... wrong D. If both As and R are wrong.
Description : $ Mesosome is a type of polyribosomes. ! Polyribosomes from a part of the chromosomes.
Last Answer : $ Mesosome is a type of polyribosomes. ! Polyribosomes from a part of the chromosomes. A. If both As and ... is wrong D. If both As and R are wrong.
Description : $ Nucleosome is present on the chromosomes. ! A true nucleus is called Eukaryon.
Last Answer : $ Nucleosome is present on the chromosomes. ! A true nucleus is called Eukaryon. A. If both As and R are ... is wrong D. If both As and R are wrong.
Description : When each chromosome gets pulled apart during anaphase of mitosis each half of each chromosome is what?
Description : Why is it important the the number of chromosomes is reduced when gametes are formed?
Last Answer : poo come out the bum
Description : $ Tap root arises from the radicle of seed. ! Radical leaves arise from the reduced stem.
Last Answer : $ Tap root arises from the radicle of seed. ! Radical leaves arise from the reduced stem. A. If both As ... R is wrong D. If both As and R are wrong.
Description : At what stage of mitosis cell division does half of the chromosome move towards the North Pole and half towards the South Pole ?
Last Answer : Answer : In the anaphase stage of mitosis cell division, half of the chromosomes move towards the North Pole and half towards the South Pole.
Description : How do Sutton and observations about chromosomes number support the chromosome theory of inheritance?
Description : Which is correct about cell theory in view of current status of our knowledge about cell structure? (a) It needs modification due to discovery of subcellular structures like chloroplasts and ... Cell theory means that all living objects consists of cells whether or not capable of reproducing
Last Answer : (c) Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation.
Description : The oncogene theory states that transforming genes a. Normally Occur In The Host Genome. b. Can Exist In Viruses. c. Are Not Of Viral Origin. d. All Of The Above (A—C) Are Correct.
Last Answer : d. All Of The Above (A—C) Are Correct
Description : Which of the following theory is supported by the genomic sequence of the obligate intracellularparasite Rickettsia prowazekii ? A- Parasitic bacteria have very large genomes B- Parasites have a ... viruses C- Mitochondria have evolved from endosymbiotic bacteria D- All bacteria evolved from viruses
Last Answer : Mitochondria have evolved from endosymbiotic bacteria
Description : $ The Heterotroph theory of origin of life was proposed by Haldane. ! That part of earth which is without any traces of life is called Abiotic earth.
Last Answer : $ The Heterotroph theory of origin of life was proposed by Haldane. ! That part of earth which is without ... is wrong D. If both As and R are wrong.
Description : $ "Transpiration pull Theory" was proposed by Dixon and Joly . ! Loss of water droplets from hydathodes is called Guttation.
Last Answer : $ "Transpiration pull Theory" was proposed by Dixon and Joly . ! Loss of water droplets from hydathodes is ... wrong D. If both As and R are wrong.
Description : $ Schleiden and Schwann formulated the theory of inheritance of characters. ! The non living matter also follows the laws of inheritances.
Last Answer : $ Schleiden and Schwann formulated the theory of inheritance of characters. ! The non living matter also follows ... D. If both As and R are wrong.
Description : At what stage of division does the number of chromosomes in the offspring cell become half of the number of chromosomes in the mother cell ?
Last Answer : The number of chromosomes in the offspring cell formed during the division of miosis-1 is half of the number of chromosomes in the mother cell.
Description : Why is it crucial that gametes reduce their number of chromosomes by half?