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Consider the following statements: In case of helical gears, teeth are cut at an angle to the axis of rotation of the gears. 1) Helix angle introduces another ratio called axial contact ratio. 2) Transverse contact ratio is equal to axial contact ratio in helical gears. 3) Large transverse contact ratio does not allow multiple teeth to share the load. 4) Large axial contact ratio will cause larger axial force component Which of the above statements are correct?
Eukaryotic RNA polymerase II does not directly bind to the promoter, but relies on a dozen or more transcription factors to recognize and bind to the promoter in a specific order before its own binding around the promoter.
TSSW is a web program that distinguishes promoter sequences from non-promoter sequences based on a combination of unique content information such as hexamer/trimer frequencies and signal information such the TATA box in the promoter region.
Some vectors carry a mutant form of promoter known as lacUV5 promoter. It carries ______ in the promoter region and _____ the efficiency.
The tac promoter is made by _____ region of trp promoter and _____ region of the lacUV5 promoter.
Which of the following statement(s) is/are CORRECT for antigen activated effector T cells?
P. CD4+ cells make contact with macrophages and stimulate their microbicidal activity.
Q. CD4+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
R. CD8+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
S. CD8+ cells make contact with virus infected cells and kill them.
Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.
Study the following information carefully and answer the following questions. Dhawan plans to buy a flat at Shyamla Society. Shyamala Society has placed the following conditions for allotment of flats in its society: Applicant: (I). State domicile certificate must be submitted. (II). Must have done a job of at least 5 years. (III). If needed, he will be ready to pay the entire amount in 5 years. (IV). Should not be the owner or co-owner (if spouse) of the residential facility in that city (V). Should not be below 35 years of age as on 31 December 2016.   In the case of the applicant who fulfils all other criteria except: A) (I) As mentioned above, should be referred to the chairman of the city council. B) (II) As mentioned above, prepared to provide Aadhaar card. To be referred to the vice-chairman of the committee C) (III) As mentioned above, but a freedom fighter or ex-soldier or the first relationship with these should be referred to a member of the committee. The last date for receipt of applications was 31 December 2016. The conditions of 31 December 2016 are to be met. Based on these criteria, decide whether you have to allot the flat in the following case given on 1 January 2017. Dhawan is an industrialist and from another state who established his factory in 2000 and has a state residence certificate. He is ready to pay the full amount in 4 years if necessary. He does not have a house in that city but his wife has a flat. His date of birth is 11 November 1970.
tac promoter is an example of which type of promoter?
Which promoter of fish origin is a strong promoter of transgenes in most fish tissues?