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level: aiims questions

Questions and Answers List

Question	Answer
balbiani rings are found in	polytene chromosomes
un DNA helix, cytosine is paired with guanine by	three hydrogen bonds
which RNAs pick up specific amino acid from amino acid pool in the cytoplasm to ribosome during protien synthesis	tRNA
transporon was discovered by	B.Mc Clintock
Okazaki fragments form	lagging strand
wobble hypothesis was given by	F.H.C. Crick
what is a similar term for DNA fingerprinting	DNA profiling
it looks like clover leaf in the three dimentional structure is true for	tRNA
which codon codes for the same information as UGC	UGU both code for cysteine
TATA box of eukaryotic promoter lies	about 25 bp upstream of the transcription start site
there are three genes a,b,c. percentage of crossing over betweena and b is 20 percent , b and c is 28 percent, and a and c is 8 percent. what is the sequence of genes on chromosome?	b,a,c
UUU codon goes with which amino acid	phenylalanine
GGG codon goes with which amino acid	glycine
UCU codon goes with which amino acid	serine
CCC codon goes with which amino acid	glycine
AUG codon goes with which amino acid	methionine
histones are basic protiens of major importance in packaging of eukaryotic DNA. DNA and histones comprise chromatin forming the bulk of eukaryotic chromosome	histones are of five major types H1,H2A,H2B,H3 AND H4
mRNA is attached to the ribosome by which means	protien ribophorin 1 and 2