MCQs Mock Test for Lab Technicians and Technologists: Chapter 66

Transgenic animals are produced when GH gene fused with

Genomic DNA is extracted, broken into fragments of reasonable size by a restriction endonuclease and then inserted into a cloning vector to generate chimeric vectors. The cloned fragments are called

A gene that takes part in the synthesis of polypeptide is

One of the genes present exclusively on the X-chromosome in humans is concerned with

Example for DNA virus:

The genetic material in HIV is

Bacteria are more sensitive to antibiotics at which phase of growth curve?

During cyclic phosphorylation NADP is formed or not.

Production of RNA from DNA is called

Growth curve does not include following phases of bacteria –

The number of ATP molecules formed during cyclic phosphorylation are

The utilization of light energy to drive the synthesis of ATP is called as

Non-cyclic photophosphorylation is also known as

Plasmids are ideal vectors for gene cloning as

What are the structural units of nucleic acids?

Artificial transformation in laboratory is carried out by treating the cells with

Pasteur effect is due to

DNA-replication is by the mechanism of

Which one of the following mutagens act only on replicating DNA ?

Rabies virus is

The nucleic acid of polio viruses is

The enzymes which are commonly used in genetic engineering are

Malate dehydrogenase enzyme is a

Peptide linkages are formed in between

DNA replicates during

The smallest unit of genetic material that can undergo mutation is called

Microorganisms usually make acetyl CO-A by oxidizing

In which medium the hydridoma cells grow selectively?

Mycotoxins are formed during the end of

In E.Coli att site is in between

DNA transfer from one bacterium to another through phages is termed as

Poly A tail is frequently found in

Wh ich of the following organisms requires tryptophan for growth?

The suitable temperature to transport viral culture is –

The two chromat ids of metaphase chrosome represent

The best vector for gene cloning

A successful hybridoma was produced by fusing

Humans normally have 46 chromosomes in skin cells. How many autosomes would be expected in a kidney cell?

The most important function of a gene is to synthesize

Tubercular bacilli grow best in

The process of formation of mesozygote is called

A human cell containing 22 autosome and a ‘Y’ chromosome is probably a

The technique involved in comparing the DNA components of two samples is known as

In genetic engineering breaks in DNA are formed by enzymes known as

Which of the following is an example of RNA virus ?

Nucleic acids contain

A mechanism that can cause a gene to move from one linkage group to another is

Crossing-over most commonly occurs during

Cyclic phosphorylation is generally present in

A peculiar cytochrome is observed in bacteria and it can react with molecular oxygen, what is it?