Description : Sympatric speciation develops reproductive isolation without
Last Answer : Sympatric speciation develops reproductive isolation without A. Geographic B. Barrier to mating C. Barrier to gene flow D. Genetic change
Description : Mary’s biological concept of species is mainly based on: (a) Morphological traits (b) Reproductive isolation (c) Modes of reproduction (d) Morphology and reproduction
Last Answer : Ans. ((b))
Description : _______________ acts to inhibit reproductive isolation. A) Mutation B) Natural selection C) Genetic drift D) Gene flow
Last Answer : D) Gene flow
Description : Consider the following water conservation mechanisms: (a) Nasal countercurrent mechanism (b) Dependence on metabolic water (c) Highly hypertonic urine
Last Answer : Consider the following water conservation mechanisms: (a) Nasal countercurrent mechanism (b) Dependence on metabolic water ... (a), (c) and (d) only
Description : The primary mechanism underlying the resistance of gram-positive organisms to macrolide antibiotics is (a) Methylation of binding sites on the 50S ribosomal subunit (b) Formation of ... ) Formation of drug-inactivating acetyltranferases (e) Decreased drug permeability of the cytoplasmic membrane
Last Answer : Ans: A
Description : Which of the following statement(s) is/are true concerning septic shock? a. The clinical picture of gram negative septic shock is specifically different than shock associated with ... mechanisms of intrinsic expansion of the circulating blood volume, exogenous volume resuscitation is necessary
Last Answer : Answer: d The clinical findings in sepsis and septic shock represent the host response to infection. Gram-positive and gram-negative bacteria, viruses, fungi, rickettsiae, and ... intravascular volume, exogenous volume resuscitation must be provided to restore venous return and ventricular filling
Description : Mechanism preventing interbreeding is called – (1) Adaptation (2) Isolation (3) Reproduction (4) Recombination
Last Answer : (2) Isolation Explanation: Because interbreeding can destroy the genetic integrity of a species, causing it to become progressively infertile or extinct, evolutionary changes in anatomy ... reproduction from occurring. Reproductive Isolation is very important in keeping animal species separated.
Description : The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) ... (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.
Last Answer : (a) reversible protein phosphorylation as a biological regulation mechanism
Description : The __________ property states that the system must have a mechanism to recover from committed transactions should that be necessary. a) Atomicity CSE-R17.BLOGSPOT.COM b) Consistencyc) Isolation d) Durability
Last Answer : Durability
Description : Mechanism preventing interbreeding is called : (1) Adaptation (2) Isolation (3) Reproduction (4) Recombination
Last Answer : Isolation
Description : How are frogs and chickens similar?
Last Answer : Need answer
Description : Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills? (1) Pseudomonas (2) Agrobacterium (3) Clostridium (4) Nitrosomonas
Last Answer : (4) Nitrosomonas Explanation: Nitrosomonas is a genus comprising rod shaped chemoautotrophic bacteria. This rare bacteria oxidizes ammonia into nitrite as a metabolic process. Nitrosomonas are useful in treatment of industrial and sewage waste and in the process of bioremediation.
Description : In the illustrated circuit, one advantage of the capacitor coupling over direct coupling is ____________. EL-0048 A. as the frequency decreased the capacitive reactance (Xc) increases B. the amplifier becomes ... of the signal while it isolates the biasing of each stage. D. good frequency response.
Last Answer : Answer: C
Description : The major function of transistor. Q2 is A) It provides voltage gain B) It provides the feedback signal C) It isolates the oscillator from loading effects D) It provides a phase shift.
Last Answer : ) It provides a phase shift.
Description : The following are true about the behavioural symptoms of stress A. The subject’s starts eating more or less B. The subject starts sleeping more or less C. The subject isolates himself/herself from others D. All of the above
Last Answer : D. All of the above
Description : If you find a child in your class who always isolates from the rest of the class, you would ... Options: A) ask the child to be normal by taking example of his classmates B) try to understand ... comes out of his own D) inform the management that his presence may affect other students of the class.
Last Answer : B) try to understand the underlying clause
Description : School is a social agency which Options: A) Contributes to the raising of the society to a higher standard B) Conserves and transmits people C) Has certain biological endowments D) Isolates the good from bad
Last Answer : A) Contributes to the raising of the society to a higher standard
Description : Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills ? (1) Pseudomonas (2) Agrobacterium (3) Clostridium (4) Nitrosomonas
Last Answer : Nitrosomonas
Description : Which exchange-rate mechanism calls for frequent redefining of the par value by small amounts to remove a payments disequilibrium? A. Dual Exchange rates B. Adjustable Pegged Exchange Rates C. Managed Floating Exchange Rates D. Crawling Pegged Exchange Rate
Last Answer : D. Crawling Pegged Exchange Rate
Description : Leishmania donovani is susceptible to certain antifungal drugs because both fungi and Leishmania: A. Utilise purine salvage pathway B. Utilise similar glycolytic mechanisms C. Have similar topoisomerase II enzyme D. Have ergosterol in their cell membranes
Last Answer : D. Have ergosterol in their cell membranes
Description : Interspecific hybridisation is the mating of (a) animals within same breed without having common ancestors (b) two different related species (c) superior males and females of different breeds (d) more closely related individuals within same breed for 4-6 generations.
Last Answer : (b) two different related species
Description : The animals produced by mating of two different breeds of the same species is known as – a) Mixed breed b) Cross breed c) Exotic breed d) Pure breed
Last Answer : b) Cross breed
Description : The animals produced by mating of two different breeds of the same species is known as – a) Mixed breed b) Cross breed c) Exotic breed
Description : What keeps different species of Finches from mating?
Last Answer : Song and appearance both play a role in keeping different species from mating.
Description : Why did the finches stop mating with the different ones.?
Last Answer : Responde esta pregunta…la razón es que su evolución hizo quehubieran muchas subespecies y para poder mantener viva cada una deellas se aparean solo con sus iguales y hasta hoy en día aun lospinzones siguen evolucionando.
Description : Homozygous purelines in cattle can be obtained by (a) mating of unrelated individuals of same breed (b) mating of individuals of different breed (c) mating of individuals of different species (d) mating of related individuals of same breed
Last Answer : (d) mating of related individuals of same breed.
Description : Homozygous purelines in cattle can be obtained by: (1) mating of unrelated individuals of same breed. (2) mating of individuals of different breed. (3) mating of individuals of different species. (4) mating of related individuals of same breed.
Last Answer : (4) mating of related individuals of same breed.
Description : What is an example of a reproductive barrier that may separate two similar species?
Last Answer : a landslide blocking the valley that the groups used to cross to get to each othera change in number of chromosomes in one group (e.g. human chromosome #1 being the end to end ... 23) making successful intergroup breeding difficult to impossible even though the two groups may still live together
Description : Describe the different techniques( any three) for isolation of volatile oils.
Last Answer : Methods of isolation of volatile oil: A) Distillation : Most of the oils are obtained by distillation which are of following 3 types 1.Water distillation -is mostly applicable to such plant ... exhausted petals are replaced by fresh petals and then the oil is collected from the fatty material.
Description : What are your personal thoughts about zoos in general and the alarming rate of declining populations of different animal species around the globe?
Last Answer : I'm on the fence about this. While I looove visiting the San Diego Zoo, I think animals should be able to live free in their own habitat. I don't think they need to be put in captvity ... sure there are ways in which they can keep them in their own environment while monitoring them that way, right?
Description : All the populations of the different species living and inter-acting in the same ecosystem?
Last Answer : Ans. Community
Description : How are the populations of different species kept under check?
Last Answer : By food chain
Description : What is the reason for India being a major producer of different varieties of fruits and vegetables? a. Its large populations size b. Its large land area c. Variation in its agro-climatic conditions d. Diversity in socio-cultural phenomenon
Last Answer : c. Variation in its agro-climatic conditions
Description : Two male cockatiels mating, should I stop them?
Last Answer : Let nature take its course unless you think they’re actually hurting each other.
Description : Vernier calipers cannot be used to measure the (A) I.D. & O.D. of the shaft (B) Thickness of parts (C) Depth of holes (D) Clearance between two mating surfaces
Last Answer : Option D
Description : Ladies, what'd you say to a guy who watch pick up artists, dating gurus, alpha beta mating breeding strategies videos on youtube?
Last Answer : Not a lady, but that sounds kind of culty.
Description : How do male humans display lek mating behavior?
Last Answer : Teasing and acting weird.
Description : What is the word for a trait that is actually a handicap but implies good health and mating prospects?
Last Answer : The only term i can think of is a costly signal.
Description : When did humans stop mating and start making love?
Last Answer : I think we have always made love, it’s our nature.
Description : beetles are swarming around a maple tree, seem to be mating then falling to the ground, what is the beetle?
Last Answer : Need Answer
Description : How do proteins play an important role in mating of japanese beetles?
Last Answer : by sending and detecting chemical messages
Description : Interspecific hybridization is the mating of
Last Answer : Interspecific hybridization is the mating of A. superior males and females of different breeds ... common ancestors D. Two different related species
Description : What is a mating of organisms to test the inheritance of traits?
Description : Why does my female scream when mating?
Last Answer : To answer a question we need a what, who, where, when, why, orhow. You are missing a what.
Description : What age are male elephants interested in mating?
Last Answer : Around 20 years old
Description : Why do wolves mating get stuck together?
Last Answer : Because the penis swells up inside the female dog's vagina, while the female dog's vagina mussels hold the penis in, this is called a "tie", with ordinary dogs DO NOT pull them apart injure them both.
Description : Stripes on the back of the animals are the indication of (a) Mating habit (b) Food habit (c) Cave dwelling (d) Matching of skin colour with surroundings
Last Answer : Ans:(d)
Description : Before reassembling any machinery, you should _____________. A. replace all bearings regardless of length of service B. apply a heavy coat of oil to all mating surfaces C. clean any corroded surfaces and file all burrs smooth D. coat all parts with alemite grease
Description : If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio (A) Increases (B) Decreases (C) Remains unchanged (D) None of these
Last Answer : (C) Remains unchanged