Description : Invagination by a cell membrane forming a vesicle around a solid particle is a: a) lysosome b) phagocytosis (pron: fag-o-sigh-toe-sis) c) pinocytosis (pron: pin-o-sigh-toe-sis) d) peroxisomes (pron: pay-rak-se-som)
Last Answer : ANSWER: B -- PHAGOCYTOSIS
Description : How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, Centromere, Kinetochore
Last Answer : How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, ... . Three B. One C. Four D. Two
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 : The condition in which there is a DECREASE in the number of white blood cells in humans is known as: a) leukocytosis (pron: lew-kO-sigh-toe-sis) b) leukopenia (pron: lew-kO-pea-nee-ah) c) leukemia (pron: lew-kee-me-ah) d) leukohyperia (pron: lew-kO-high-per-e-ah)
Last Answer : ANSWER: B -- leukopenia
Description : Of the following, which mechanisms are important i the death of erythrocytes (pron: eh-rith-reh-sites) in human blood? Is it a) phagocytosis (pron: fag-eh-seh-toe-sis) b) hemolysis c) mechanical damage d) all of the above
Last Answer : ANSWER: D -- all of the above
Description : The vesicles formed via the process known as phagocytosis (pron: fag-eh-seh-toe-sis) are called: a) lysosomes (pron: lye-sah-somes: somes rhymes with homes) b) Golgi apparatus c) food vacuoles d) mitochondria (pron: my-toe-chon-dria)
Last Answer : ANSWER: C -- FOOD VACUOLES
Description : Which of the following is not a characteristic feature during mitosis in somatic cells? (a) Chromosome movement (b) Synapsis (c) Spindle fibres (d) Disappearance of nucleolus
Last Answer : (b) Synapsis
Description : A lake which has high nutrient availability is: a) oligotrophic (pron: all-i-go-tro-fik) b) eutrophic (pron: you-tro-fik) c) mesotrophic (pron: mez-eh-tro-fik)
Last Answer : ANSWER: B -- eutropHic
Description : Octopus and squid belong to the class of molluscs known as: a) cephalopoda (pron: sef-eh-lah-pod-ah) b) bivalvia c) gastropoda (pron: gas-tro-pod-ah) d) polyplacophora (pron: poly-pla-so-for-ah)
Last Answer : ANSWER: A -- CEPHALOPODA
Description : Which of the following laws best describes the statement: The members of an homologous (pron: ho-MOL-eh-gus) pair of genes are separated during meiosis (pron: my-O-sis) of reproductive cells so that ... law of independent assortment c) law of filial (pron: FILL-ee-al) generation d) law of sorting
Last Answer : ANSWER: A -- LAW OF SEGREGATION
Description : Gluconeogenesis (pron: glue-ko-nee-o-gen-e-sis) occur in which organ?
Last Answer : ANSWER: LIVER
Description : Bile has what function in digestion? a) emulsify lipids b) digest proteins c) gluconeogenesis (pron: glue-ko-nee-o-gen-e-sis) d) digest carbohydrates
Last Answer : ANSWER: A -- EMULSIFY LIPIDS
Description : Which of the following is true for nucleolus? (a) Larger nucleoli are present in dividing cells. (b) It is a membrane-bound structure. (c) It takes part in spindle formation. (d) It is a site for active ribosomal RNA synthesis.
Last Answer : (d) It is a site for active ribosomal RNA synthesis.
Description : Which of the following is true for nucleolus ? (1) Larger nucleoli are present in dividing cells. (2) It is a membrane-bound structure. (3) It takes part in spindle formation. (4) It is a site for active ribosomal RNA synthesis.
Last Answer : (4) It is a site for active ribosomal RNA synthesis.
Description : Assertion :- Each chromatid is attached with two spindle fibres during S-phase :- Reason :- During Anaphse-I each chromosome is found in bivalent form
Last Answer : Assertion :- Each chromatid is attached with two spindle fibres during S-phase :- Reason :- During ... . D. If both Assertion & Reason are false.
Description : The chromosomes of a eukaryotic cell are located i the: a) mitochondria (pron: my-toe-kon-dria) b) nucleus c) ribosome d) endoplasma
Last Answer : ANSWER: B -- NUCLEUS
Description : During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This ... as: a) prophase (pron: prO-phase) b) metaphase c) anaphase d) telophase
Last Answer : ANSWER: D -- Telophase
Description : Synapsis occurs between (a) mRNA and ribosomes (b) spindle fibres and centromere (c) two homologous chromosomes (d) a male and a female gamete.
Last Answer : (c) two homologous chromosomes
Description : Which of the following structures will not be common to mitotic cell of a higher plant? (a) Centriole (b) Spindle fibre (c) Cell plate (d) Centromere
Last Answer : (a) Centriole
Description : Spindle fibres attach on to (a) centromere of the chromosome (b) kinetosome of the chromosome (c) telomere of the chromosome (d) kinetochore of the chromosome.
Last Answer : (d) kinetochore of the chromosome.
Last Answer : : Chromatids are formed in the prophase step.
Description : In studies of the human body, which of the following terms can also be used when referring to the pituitary gland? I it: a) thymus b) hypophysis (pron: hypo-fi-sis) c) pancreas d) none of the above
Last Answer : ANSWER: B -- HYPOPHYSIS
Description : The tendency of a plant to grow toward light is called: a) photosynthesis b) photoinduction c) phototropism (pron: fo-tot-row-piz-em) d) photolysis (pron: fo-tol-eh-sis)
Last Answer : ANSWER: C -- PHOTOTROPISM
Description : The type of gene interaction in which the effects of one gene override or mask the effects of other entirely different genes is called: a) linkage b) mutation c) pleitropy (pron: ply-ah-tropy) d) epistasis (pron: eh-pis-te-sis)
Last Answer : ANSWER: D -- EPISTASIS
Description : Lengthening of long bones in humans occurs in a particular area of the bone. This area is called the: a) medullary canal b) cancellous bone c) periosteum (pron: per-E-ahs-tee-em) d) epiphysis (pron: eh-pif-eh-sis)
Last Answer : ANSWER: D -- Epiphysis
Description : Bovery and Flemming observed mitosis in animal cells. Then who first observed mito- sis in plant cell?
Last Answer : Strasburger
Description : In which phases of mitosis are sister chromatids visible and attached to each other at the centromere?
Last Answer : Feel Free to Answer
Description : Which of the following options gives the correct sequence of events during mitosis ? (a) Condensation → Nuclear membrane disassembly → Arrangement at equator → Centromere division → Segregation ... (d) Condensation → Nuclear membrane disassembly → Crossing over → Segregation → Telophase
Last Answer : (a) Condensation → Nuclear membrane disassembly → Arrangement at equator → Centromere division → Segregation → Telophase
Description : Which one of the following is NOT a vitamin? w) ascorbic acid x) niacin (pron: nI-eh-sen) y) trypsin (pron: trip-sen) z) riboflavin (pron: rye-bow-fla-vin)
Last Answer : ANSWER: Y -- TRYPSIN
Description : During mitosis ER and nucleolus begin to disappear at
Last Answer : During mitosis ER and nucleolus begin to disappear at A. Early prophase B. Late prophase C. Early metaphase D. Late metaphase
Description : In mitosis, nuclear envelope and nucleolus disappear during
Last Answer : In mitosis, nuclear envelope and nucleolus disappear during A. Zygotene B. Pachytene C. Diakinesis D. Metaphase - I
Description : During mitosis, ER and nucleolus begin to disappear at (a) late prophase (b) early metaphase (c) late metaphase (d) early prophase.
Last Answer : (d) early prophase
Description : At what stage of mitosis is the spindle device formed ?
Last Answer : Answer : The spindle instrument is formed in the pro-metaphase stage of mitosis.
Description : Assertion :- In higher plants, the mitosis is termed as anastral mitosis. Reason : In higher plants, mitosis takes place without spindle fibers.
Last Answer : Assertion :- In higher plants, the mitosis is termed as anastral mitosis. Reason : In higher plants, ... . D. If both Assertion & Reason are false.
Description : In which phase of mitosis are chromosomes lined up on the equator of the spindle?
Last Answer : Need answer
Description : Do spindle fibers form in mitosis or meiosis?
Description : Colchicine is an inhibitory chemical, which (a) stops the functioning of centriole (b) prevents attaching of centromeres with rays (c) prevents the spindle formation in mitosis (d) prevents the formation of equatorial plane.
Last Answer : (c) prevents the spindle formation in mitosis
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 : During meiosis how cycles of nucleus division, DNA replication and division of centromere take place respectively :-
Last Answer : During meiosis how cycles of nucleus division, DNA replication and division of centromere take place respectively :- ... , Two, One D. Two, One, One
Description : Melatonin (pron: mel-eh-toe-nin) is produced by the: a) skin b) pineal gland c) liver d) pituitary gland
Last Answer : ANSWER: B -- PINEAL GLAND
Description : From which grandparent or grandparents did you inherit your mitochondria (pron: my-toe-chon-dria)? Is it your: a) mother's parents b) paternal grandfather c) grand mothers d) maternal grandmother
Last Answer : ANSWER: D -- maternal grandmother
Description : Can anyone suggest a good recording of the Schubert song "Am Meer"?
Last Answer : Any recording by Peter Schreier or Dietrich Fischer-Diskau would be top notch. Try this link: http://www.amazon.com/Schubert-schöne-Müllerin-Winterreise-Schwanengesang/dp/samples/B0000C6IW3/ref=dp_tracks_all_1/103-7571452-1232645?ie=UTF8&qid;=1178750638&sr;=8-1#disc_1
Description : i have fuzzy yellow bugs eating my grean bean plants, what are they get tid of them
Last Answer : after the plants cool down and the sun has passed over, mix up 1 teasp non-alcohol liquid soap & 1 qt water and spray..........use a flat stick and gently get under the leaves.....................spray again after the rain.................it will keep them moving............
Description : What phase is when spindle fibers disappear new nucleus forms at each end of the cell?
Description : How one division of the nucleus a new spindle forms around each group of chromosomes?
Description : difference between nucleus and nucleolus -Biology
Last Answer : answer:
Description : Mammalian DNA polymerase γ is located in (A) Nucleus (B) Nucleolus (C) Mitochondria (D) Cytosol
Last Answer : Answer : C
Description : In mammalian cells, ribosomal RNA is produced mainly in the (A) Nucleus (B) Nucleolus (C) Ribosome (D) Golgi apparatus
Last Answer : Answer : B
Description : In mammalian cells rRNA is produced mainly in the (A) Endoplasmic reticulum (B) Ribosome (C) Nucleolus (D) Nucleus
Last Answer : C