Skip to content

Genetics

Latest questions in this category.

27 questions

For monoclonal antibody production, mammalian expression systems are preferred over bacterial expression systems, primar

This outcome reflects microbial physiology, where growth regulation and host interactions follow molecular programs. Option C captures this correctly because it corresponds to prokaryotic and viral strategies, consistent with textbook descriptions and experimental observations in microbiology.

Ref: Madigan et al., Brock Biology of Microorganisms, 15th Edition, Chapter 13, Virology and Bacteriophage Biology, explains viral replication, lytic and lysogenic cycles and virus-host interactions detailing microbial genetics.

Which one of the following is NOT a typical feature of the hypersensitive response observed in plants during the attack

In microbiology, microbial physiology dictates that growth regulation and host interactions follow molecular programs. Therefore Rapid spike in photosynthetic rate is correct as it corresponds to prokaryotic and viral strategies, supported by mechanistic studies and conserved across related systems.

Ref: Madigan et al., Brock Biology of Microorganisms, 15th Edition, Chapter 13, Virology and Bacteriophage Biology, explains viral replication, lytic and lysogenic cycles and virus-host interactions detailing microbial genetics.

AIDS is caused by a human retrovirus that kills

Mechanistically, microbial physiology involves growth regulation and host interactions follow molecular programs. This validates CD4-positive T-lymphocytes because it corresponds to prokaryotic and viral strategies, a pattern repeatedly demonstrated in microbiology research.

Ref: Madigan et al., Brock Biology of Microorganisms, 15th Edition, Chapter 13, Virology and Bacteriophage Biology, explains viral replication, lytic and lysogenic cycles and virus-host interactions detailing microbial genetics.

A probiotic is a live microorganism that is claimed to confer a health benefit by altering the indigenous microflora of

In microbiology, microbial physiology dictates that growth regulation and host interactions follow molecular programs. Therefore Lactobacillus lactis is correct as it corresponds to prokaryotic and viral strategies, supported by mechanistic studies and conserved across related systems.

Ref: Prescott et al., Microbiology, 10th Edition, Chapter 3, Bacterial Cell Structure and Function, discusses peptidoglycan, growth kinetics and microbial physiology providing comprehensive understanding of prokaryotic biology and diversity.

A culture contains two bacterial populations ‘X’ and ‘Y’ in equal proportion. On dilution plating only two colonies were

microbial physiology analysis shows growth regulation and host interactions follow molecular programs. Consequently 50% emerges as the valid choice since it corresponds to prokaryotic and viral strategies, aligning with established principles in microbiology literature.

Ref: Prescott et al., Microbiology, 10th Edition, Chapter 3, Bacterial Cell Structure and Function, discusses peptidoglycan, growth kinetics and microbial physiology providing comprehensive understanding of prokaryotic biology and diversity.

A growing bacterial culture doubles in 1 hr; the increase in cell mass in 30 minutes will be:

Mechanistically, microbial physiology involves growth regulation and host interactions follow molecular programs. This validates Less than 50% because it corresponds to prokaryotic and viral strategies, a pattern repeatedly demonstrated in microbiology research.

Ref: Prescott et al., Microbiology, 10th Edition, Chapter 3, Bacterial Cell Structure and Function, discusses peptidoglycan, growth kinetics and microbial physiology providing comprehensive understanding of prokaryotic biology and diversity.

Due to the difficulty of isolating and culturing, many marine microorganisms are regarded as "viable but non-culturable"

metabolic engineering and inheritance analysis shows exogenous gene introduction and pathway extension enable trait improvement. Consequently metagenomic analysis emerges as the valid choice since it demonstrates metabolic extension and combinatorial biosynthesis, aligning with established principles in genetics and biotechnology literature.

Ref: Pierce, Genetics: A Conceptual Approach, 6th Edition, Chapter 3, Mendelian Inheritance, discusses genotype-phenotype correlation and inheritance patterns providing framework for genetic transmission and metabolic engineering principles.

Which one of the following is NOT a food rich in Vitamin A?

In genetics and biotechnology, metabolic engineering and inheritance dictates that exogenous gene introduction and pathway extension enable trait improvement. Therefore Potato is correct as it demonstrates metabolic extension and combinatorial biosynthesis, supported by mechanistic studies and conserved across related systems.

Ref: Griffiths et al., Introduction to Genetic Analysis, 11th Edition, Chapter 5, discusses metabolic pathways, recombinant DNA technology, metabolic extension and Golden Rice as pathway engineering for vitamin A production and nutritional improvement.

A bacterial signaling system that regulates population density-dependent gene expression using secreted chemical signals

metabolic engineering and inheritance analysis shows exogenous gene introduction and pathway extension enable trait improvement. Consequently Quorum sensing emerges as the valid choice since it demonstrates metabolic extension and combinatorial biosynthesis, aligning with established principles in genetics and biotechnology literature.

Ref: Pierce, Genetics: A Conceptual Approach, 6th Edition, Chapter 3, Mendelian Inheritance, discusses genotype-phenotype correlation and inheritance patterns providing framework for genetic transmission and metabolic engineering principles.

One centimorgan is defined as the genetic distance between two loci with a statistically corrected recombination frequen

The principle of metabolic engineering and inheritance explains that exogenous gene introduction and pathway extension enable trait improvement. Hence 1.0% fits best because it demonstrates metabolic extension and combinatorial biosynthesis, as documented in authoritative sources on genetics and biotechnology.

Ref: Pierce, Genetics: A Conceptual Approach, 6th Edition, Chapter 3, Mendelian Inheritance, discusses genotype-phenotype correlation and inheritance patterns providing framework for genetic transmission and metabolic engineering principles.

Which one of the following genes can be used to generate male sterile crop plants?

Mechanistically, metabolic engineering and inheritance involves exogenous gene introduction and pathway extension enable trait improvement. This validates Barnase because it demonstrates metabolic extension and combinatorial biosynthesis, a pattern repeatedly demonstrated in genetics and biotechnology research.

Ref: Griffiths et al., Introduction to Genetic Analysis, 11th Edition, Chapter 5, discusses metabolic pathways, recombinant DNA technology, metabolic extension and Golden Rice as pathway engineering for vitamin A production and nutritional improvement.

In plants, the overexpression of lectin genes confers resistance to:

metabolic engineering and inheritance analysis shows exogenous gene introduction and pathway extension enable trait improvement. Consequently Insects emerges as the valid choice since it demonstrates metabolic extension and combinatorial biosynthesis, aligning with established principles in genetics and biotechnology literature.

Ref: Griffiths et al., Introduction to Genetic Analysis, 11th Edition, Chapter 5, discusses metabolic pathways, recombinant DNA technology, metabolic extension and Golden Rice as pathway engineering for vitamin A production and nutritional improvement.