The binding site of tRNA with mRNA & amino acids respectively are
mRNA with DHU loop and amino acid with CCA end.
mRNA with CCA end and amino acid with anticodon loop
mRNA with anticodon loop and amino acid with DHU loop
mRNA with anticodon loop and amino acid with CCA end
Percentage of recombination between A and B is 9%, A and C is 17%, B and C is 26% , then the arrangement of genes is
ABC
ACB
BCA
BAC
Cytokines that provide non- specific immnity against virus are
interlukin
tumour necrosis
colony stimulating
interferon
By all of the following ways bacteria become resistant to antibiotic except
making enzymes that inactivate the drug
becoming impermeable to the drug
modifying the target of the drug
moving away from the drug
Which of the following conditions represents a case of co-dominant genes?
A gene expresses itself, suppressing the phenotypic effect of its alleles
Genes that are similar in phenotypic effect when present separately, but when together interact to produce a different trait
Alleles, both of which interact to produce a trait, which may or may not resemble either of the parental types
Alleles, each of which produces an independent effect in a heterozygous condition
The first bioherbicide developed in 1981 was based on
Phytophthora palmivora
Phytophthora infestans
Bacillus thuringiensis
Azadirachta indica
Assertion : Secondary succession takes place in recently denuded area.
Reason : It is caused due to baring of an area.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false
A.
If both assertion and reason are true and reason is the correct explanation of assertion
Biotic or ecological succession is the formation of a series of biotic communities at the same site over a period of time one after the other, till a stable climax community develops over the area. It occurs generally in bare areas.
Primary succession takes place on a biological sterile soil less primary barren area.
Secondary succession takes place in a recently denuded area which still contains a lot of organic debris, remains and propagules of previous living organisms. The area has become bared due to destruction of the community previously present. The baring of an area can be caused due to forest fire, deforestation for wood, timber and habitat, overgrazing, landslides or earthquakes, excessive and repeated droughts, fallowing a cropland and repeated floods.
Assertion : Mammary glands are apocrine glands.
Reason : The distal part containing secretory granules break down and leaves as a secretion.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false