According to Chargaffʹs observations of nucleotide composition of DNA samples, which of the following options are correct

A) % of (G + C) + % of (A + T) = 100%.

B) A = T.

C) G = C.

D) %A + %C + %T = 100%.

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#Question id: 13070

#SCPH06 I Botany

Antibodies raised against an antigen from one organism will react to a greater or lesser degree with similar antigens from a related organism, depending on how many surface epitopes they share. This has given rise to a systematic method of identification of microorganisms known as______?

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#Question id: 7014

#SCPH01 Biochemistry

Microglia are often considered the “immune cells” of the central nervous system, since they function:

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#Question id: 19330

#SCPH06 I Botany

Which one of the following can be used to measure the environmental and water quality?

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#Question id: 15534

#I Life Science/ Life Sciences Group – I-V

In FASTA, For a Z-score > 15, the match can be considered extremely ______ with _____ of a homologous relationship.

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#Question id: 13081

#SCPH28 | Zoology

Correct statements about RAPD’s

A. RAPD polymorphism is detected by using oligonucleotides usually more than 10 bases long of random sequences as primers in a reaction.

B. In a strain which has in genomic DNA sequences complementary to the primer oligonucleotide, PCR products will be detected in the gel,

C. Typical RAPD markers show limited variation between parents, especially in naturally inbreeding species.

D. RAPDs are more sensitive than RFLPs to experimental conditions making them more difficult to be consistent and reproducible.