Description : Why are homologous chromosomes not identical? -Biology
Last Answer : answer:
Description : Are homologous chromosomes genetically identical? -Biology
Description : Why are two samples of proteins having an identical composition of amino acids still different?
Last Answer : I would guess that two proteins with the same sequences of amino acids might be folded in different ways giving them different properties.
Description : Isoenzymes can be characterized by (A) Proteins lacking enzymatic activity that are necessary for the activation of enzymes (B) Proteolytic enzymes activated by hydrolysis (C) Enzymes with identical primary structure (D) Similar enzymes that catalyse different reaction
Last Answer : Answer : B
Description : Bence-Jones proteins possess all the following properties except (A) They are dimers of light chains (B) Their amino acids sequences are identical (C) Their N-terminal halves have variable amino acid sequences (D) Their C-terminal halves have constant amino acid sequences
Description : Histones are (A) Identical to protamine (B) Proteins rich in lysine and arginine (C) Proteins with high molecular weight (D) Insoluble in water and very dilute acids
Description : Assertion :- Homologous organs suggest same origin. Reason :- Organs which are simillar in function and dissimilar in internal morphology called as Ho
Last Answer : Assertion :- Homologous organs suggest same origin. Reason :- Organs which are simillar in function and ... D. If both Assertion & Reason are false.
Description : The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of (a) analogous organs that have evolved due to convergent ... evolved due to convergent evolution (d) homologous organs that have evolved due to divergent evolution.
Last Answer : (a) analogous organs that have evolved due to convergent evolution
Description : Function of telomeres in nucleus is (a) poleward movement (b) to initiate the RNA synthesis (c) to seal the ends of chromosome (d) to recognise the homologous chromosome
Last Answer : (c) to seal the ends of chromosome
Description : Which of the following statement(s) is/are true concerning CO2 transfer in the lung? a. Carbon dioxide excretion is a direct function of alveolar ventilation b. Normally end tidal ... d. Positive pressure ventilation under normal airway pressures creates a significant end tidal PaCO2 gradient
Last Answer : Answer: a, b, c The amount of carbon dioxide excretion is directly related to alveolar ventilation. While oxygenation is a function of matching blood flow to alveoli, carbon dioxide excretion is ... high (over 30 cm H2O) and the compression volume is a significant component of each exhaled breath
Description : (2) Exclusion Principle of Pauli Explanation: The Pauli exclusion principle is the quantum mechanical principle that no two identical fermions (particles with half-integer spin) may occupy the same ... function for two identical fermions is anti-symmetric with respect to exchange of the particles.
Last Answer : The three elements most needed in common fertilizers are – (1) Sulphur, Phosphorous and Sodium (2) Nitrogen, Phosphorous and Sodium (3) Phosphorous, Sodium and Nitrogen (4) Calcium, Phosphorous and Potassium
Description : The transmit and receive elements of a sound-powered telephone handset are _____________. A. identical and can be used for either function B. of similar construction but different enough to be used only for ... only for its own function D. constructed so that each can fit only in its own recess
Last Answer : Answer: A
Description : What is the difference between a homologous and analogous structure?
Last Answer : A: Homologous structures are anatomical features that have a similar evolutionary origin, but may have different functions, while analogous structures are anatomical features that have a similar function, but may have different evolutionary origins.
Description : What is the difference between a homologous and an analogous structure?
Last Answer : A: Homologous structures are similar in structure and origin, but may have different functions, while analogous structures have similar functions but evolved independently and have different origins.
Description : What is the difference between a homologous chromosome and a sister chromatid?
Last Answer : A: Homologous chromosomes are pairs of chromosomes that carry the same genes, while sister chromatids are identical copies of a single chromosome that are formed during DNA replication.
Description : What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor? -Biology
Last Answer : Yes, It is necessary that homologous structures always have a common ancestor. As explained in the above example, the basic structure of arm of human and wing of bat is similar but ... different function in different vertebrates. Therefore, this shows that they have evolved from a common ancestor.
Description : Which of the following is not observed in a homologous series? Give reason for your choice. -Science
Last Answer : c) Gradation in physical properties
Description : What is the difference in the molecular formula of any two consecutive members of a homologous series of organic compounds? -Chemistry
Last Answer : —CH2— is the difference in the molecular formula of any two consecutive members of a homologous series of organic compounds.
Description : Distinguish between homologous organs and analogous organs. In which category ; would you place wings of a bird and wings of a bat? Justify your answer giving a suitable reason. -Biology
Last Answer : Answer. Wings of a bird and wings of a bat are analogous organs as they have different basic structural design but have similar appearance and perform similar functions.
Description : What are homologous organs? Can the wing of a butterfly and the wing of a bat be regarded as homologous? Why? -Biology
Last Answer : Homologous organs are those organs which have the same basic structural design and developmental origin but have different functions and appearance. Example: The forelimb of a frog, a lizard, a bird and ... for flying but their origin and structure are not common. So, they are analogous organs.
Description : Explain with examples how the following are evidences in favour of evolution in organisms. (i) Homologous organs (ii) Analogous organs (iii) Fossils -Biology
Last Answer : i) Forelimb of human and bird are homologous organs. They have same structural design and developmental origin but they have different functions and appearance. Homologous organs help us to understand that ... and a long tail. This fossil provides a clue that birds have evolved from reptiles.
Description : Write the molecular formula of first two members of homologous series having functional group – OH. -Science
Last Answer : The general formula for the homologous series of functional group −OH is CnH2n+1OH. The two consecutive members of this series are: a. CH3OH(Methanol) b. CH3CH2OH (Ethanol) where n is 1 and 2 respectivelyThe molecular formula for both of them are CH4O and C2H6O.
Description : What are homologous chromosomes? -Biology
Description : When do homologous chromosomes separate? -Biology
Description : When homologous chromosomes crossover what occurs? -Biology
Description : Homologous chromosomes versus sister chromatids. -Biology
Description : Why do homologous chromosomes pair up? -Biology
Description : Homologous chromosomes segregate during -Biology
Description : Homologous chromosomes are pulled apart in -Biology
Description : List all homologous structure of human male and female reproductive system. -Biology
Description : Which would be a homologous structure to a human arm bone?
Last Answer : A bird's wing bone
Description : The study of homologous structures in mature organism provides evidence for the evolutionary relationships among certain groups of organisms. Which fi
Last Answer : The study of homologous structures in mature organism provides evidence for the evolutionary ... Biochemistry C. Geology D. Comparative anatomy
Description : Which one of the following correctly describes the homologous structures?
Last Answer : Which one of the following correctly describes the homologous structures? A. Organs with anatomical ... stage and disappearing later in the adult
Description : Which of the following are homologous organs :
Last Answer : Which of the following are homologous organs : A. Wings of birds & Locust B. Wings of birds ( ... of bat & Butterfly D. Legs of from & Cockroach
Description : Which of the following structrue is homologous to the wing of a bird?
Last Answer : Which of the following structrue is homologous to the wing of a bird? A. Wings of a Moth B. Hind limb of Rabbit C. Fipper of Whale D.
Description : Homologous organs are `:`
Last Answer : Homologous organs are `:` A. Dissimilar origin and dissimilar structures B. Dissimilar ... functions D. Similar origin with dissimilar functions
Description : Which of the following sets do not have homologous organs:
Last Answer : Which of the following sets do not have homologous organs: A. Wings of mosquito and butterfly B. ... of cockroach and butter fly D. None of them
Description : Homologous organs have :
Last Answer : Homologous organs have : A. Similar origin and similar or dissimilar functions, B. Dissimilar ... function D. Dissimilar origin and similar functions
Description : Which of the following statements is/are true about a homologous series :-
Last Answer : Which of the following statements is/are true about a homologous series :- A. Different ... but different chemical properties D. All of them
Description : $ Wing of a bat is said to be homologous to the wing of bird and analogous to the wing of an insect. ! Homologous organs are similar inhiction but ana
Last Answer : $ Wing of a bat is said to be homologous to the wing of bird and analogous to the wing of an insect. ! ... R is wrong D. If both As and R are wrong.
Description : $ Homologous organs are those which are functionally similar but different by origin. ! Homothallic plants are those which are unisexual.
Last Answer : $ Homologous organs are those which are functionally similar but different by origin. ! Homothallic plants are ... D. If both As and R are wrong.
Description : Which following homologous structures are mismatched
Last Answer : Which following homologous structures are mismatched A. Clitoris and penis B. Vagina and prostatic ... labia majora D. Fallopian tube and prostate
Description : In the female which structure is homologous to penis of male :-
Last Answer : In the female which structure is homologous to penis of male :- A. Cervix B. Vagina C. Uterus D. Clitoris
Description : Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex helps in synapsis of non homologous chromo
Last Answer : Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex ... If both Assertion & Reason are false.
Description : The complex formed by a pair of synapsed homologous chromosomes is called
Last Answer : The complex formed by a pair of synapsed homologous chromosomes is called A. Axoneme B. Equatorial plate C. Kinetochore D. Bivalent
Description : Identify the meiotic sage in which the homologous chromosomes separate while the sister chromatids remain associated at their centrometres. Or In whic
Last Answer : Identify the meiotic sage in which the homologous chromosomes separate while the sister chromatids remain ... II C. Metaphase I D. Metaphase II
Description : Pairing of homologous chromosomes is called :-
Last Answer : Pairing of homologous chromosomes is called :- A. Disjunction B. Synapsis C. Segregation D. Polyteny
Description : Separation of homologous chromosomes during Anaphase -I is called:-
Last Answer : Separation of homologous chromosomes during Anaphase -I is called:- A. Synapsis B. Disjunction C. Nondisjunction D. Crossing over
Description : What happens to each pair of duplicated homologous chromosomes during meiosis 1?
Last Answer : Need answer
Description : What homologous structures in different species evidence of?