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Cell Biology and Genetics

The Cell Biology and Genetics category gathers questions that explore the fundamentals of cellular structure, function, and genetic mechanisms. Topics include cell organelles, DNA replication, gene regulation, and inheritance patterns, helping learners review key concepts for biology exams.

25 questions

Generic drugs are introduced in the market as generic versions because they are

The principle of metabolic engineering and inheritance explains that exogenous gene introduction and pathway extension enable trait improvement. Hence Low cost 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, discusses genotype-phenotype correlation and inheritance patterns providing framework for genetic transmission and metabolic engineering.

A homeotic mutation is one which

metabolic engineering and inheritance analysis shows exogenous gene introduction and pathway extension enable trait improvement. Consequently substitutes one body part for another during development 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.

5-Bromouracil induces mutations because it

metabolic engineering and inheritance analysis shows exogenous gene introduction and pathway extension enable trait improvement. Consequently replaces a T and binds to G rather than A 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.

The bacterial ftsZ gene is required for

Mechanistically, metabolic engineering and inheritance involves exogenous gene introduction and pathway extension enable trait improvement. This validates septum formation 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.

Introduction of a non-sense mutation in a eukaryotic protein coding gene often leads to

metabolic engineering and inheritance analysis shows exogenous gene introduction and pathway extension enable trait improvement. Consequently increased degradation of the mRNA in the nucleus cytoplasm 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.

The common type of duplication generates a second copy of the gene

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

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

In a population that is in equilibrium, the proportion of individuals showing the dominant trait at a given locus having

This outcome reflects metabolic engineering and inheritance, where exogenous gene introduction and pathway extension enable trait improvement. Option A captures this correctly because it demonstrates metabolic extension and combinatorial biosynthesis, consistent with textbook descriptions and experimental observations in genetics and biotechnology.

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

The covalent modification of histones that is not known to play a role in regulation of gene expression is

metabolic engineering and inheritance analysis shows exogenous gene introduction and pathway extension enable trait improvement. Consequently glycosylation 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.

A change in which of the following genes is responsible for Fragile X syndrome?

The principle of metabolic engineering and inheritance explains that exogenous gene introduction and pathway extension enable trait improvement. Hence FMR1 fits best because it demonstrates metabolic extension and combinatorial biosynthesis, as documented in authoritative sources on genetics and biotechnology.

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.

Major gluconeogenesis occurs in

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

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

Somatic mutation of Immunoglobulin gene accounts for

This outcome reflects metabolic engineering and inheritance, where exogenous gene introduction and pathway extension enable trait improvement. Option C captures this correctly because it demonstrates metabolic extension and combinatorial biosynthesis, consistent with textbook descriptions and experimental observations in genetics and biotechnology.

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.

Gluconeogenesis is not capable of making glucose from

The principle of metabolic engineering and inheritance explains that exogenous gene introduction and pathway extension enable trait improvement. Hence palmitate 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, discusses genotype-phenotype correlation and inheritance patterns providing framework for genetic transmission and metabolic engineering.