What is a vector in biotechnology? How does a plasmid vector work?

WHAT IS A VECTOR IN BIOTECHNOLOGY? Biotechnology is divided into two words- biology and technology which means we use different techniques to improve our health and environment. How can we use these techniques??? Answer to this in biotechnology is genetically manipulating microorganisms and for genetically manipulation of microorganisms we need a vector. Thus, vector is […]

Define double fertilization? How does pollination differ from fertilisation?

Double Fertilization  Pollination is defined as the transfer of pollen grains from the anthers to the stigma. Fertilisation is the fusion of the nuclei of two dissimilar male and female gametes. Pollination results in germination of pollen grains, formation of pollen tubes and entry of pollen tube inside the ovary to the ovules. And fertilisation […]

Select the statement(s) that apply to both DNA replication and RNA transcription.

A) Separation of the DNA strands (“unzipping”). B) A requirement for a primer. C) Directionality of synthesis. D) Base-pairing of complementary nucleotides. E) Energy to drive the process is provided by triphosphate nucleotides Answer : All statements are common to both DNA replication and transcription except option: requirement for a primer. Explanation:  A) Unzipping is […]

ROLE OF HORMONES

OVERVIEW: Hormones are special chemical messengers in the body that are produced in the endocrine glands. These messengers control major body functions, from simple basic needs like hunger to complex systems like reproduction, and even the emotions and mood. LIST OF HORMONES ROLE IN HUMAN BODY : 1) Melatonin – Think of melatonin as your […]