During replication of a bacterial chromosomes DNA synthesis starts from a replication origin site and _____________.
RNA primers are involved
is facilitated by telomerase
moves in one direction of the site
moves in bi - directional way
The RNA that picks up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called __________________.
mRNA
tRNA
rRNA
RNA
A man and a woman who do not show any apparent signs of diseases.They have 7 children (2 daughters and 5 sons). Three of the sons suffer from a genetic disease.The daughters are not affected. Which of the following mode of inheritance do you suggest for this disease?
Autosomal dominant
Sex linked dominant
sex linked recessive
Sex - linked recessive
Amino acid sequence in protein synthesis is decided by the sequence of ________________.
CDNA
The length of DNA molecules greatly exceeds the dimensions of teh nucleus in eukaryotic cells. How is this DNA accommulated?
Deletion of non essential genes
Super coilinig in nucleosomes
DNAs digestion
Througjh elmination of reptitive DNA
Loss of an X chromosomes in a particular cell during its development results into ________________.
diploid individual
triploid individual
gynandromorphas
both (a) and (b)
Telomere repetitive DNA sequnences control the function of eukaryotic chromosomes because they______________.
act as replication
are RNA transcription intiatior
help chromosomes pairing
prevent chromsosomes loss
Haploids are able to express both recessive and dominant alleles / mutations because there are ____________.
many alleles for each gene
two alleles for each gene
only one allele for each gene in the individuals
only one allele in a gene
Plasma membrane is made up of ____________.
proteins and carbohydrates
proteins and lipids
protein, lipids and carbohydrates
proteins, some nucleic acid and lipid
The formation of multivalents at meiosis in diploid organism is due to ________________.
monosomy
inversion
deletion
reciprocal translocation
