What is solvation?
The interactions between the solute particles and the solvent molecules is called solvation. A solvated ion or molecule is surrounded... View Article
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What is regioselectivity? Give an example
Regio selectivity in organic chemistry refers to the favouring of a reagent to bond to one atom over another. In... View Article
What is reduction? Give an example
Reduction reactions are the reactions in which hydrogen is added or oxygen is removed. The term reduction comes from the... View Article
What is metanephridia?
A metanephridium is a gland involved in excretion, mainly found in invertebrates such as annelids , arthropods and mollusca. A... View Article
What is meant by the term evolution?
Evolution is defined as a change in the genetic composition of a population over successive generations. Charles Darwin’s theory of... View Article
What is hemizygous?
Hemizygous is a condition in which only one copy of a gene or DNA sequence is present in diploid cells.... View Article
What is ecosystem diversity?
Answer: Ecosystem diversity deals with the variations in ecosystems within a geographical location and their overall impact on human existence... View Article
What is bond cleavage?
Bond cleavage is nothing but the splitting of chemical bond. There are two types of bond cleavages classified according to... View Article
What is an example of an apocrine, exocrine, merocrine, and a holocrine gland?
Apocrine gland Apocrine gland is a type of exocrine gland in which the secretory products are released together with some... View Article
What is an example of a pteridophyte?
Pteridophytes are vascular plants and have leaves (known as fronds), roots and sometimes true stems, and tree ferns have full... View Article
What is an epicentre?
The epicenter is the point on the earth’s surface vertically above the hypocenter (or focus), point in the crust where... View Article
What is an atom, element, molecule, and compound? What is an example of each?
Atoms Atoms are the building blocks of everything we see. an atom remains the fundamental particle because it is the... View Article
What is a T4 lymphocyte?
T4 lymphocytes, also known as Helper cells, are a type of white blood cell that orchestrate the immune response and... View Article
What is a paired and unpaired t-test? What are the differences?
Unpaired t-test (also known as the student’s t-test) and the paired t-test both assume that analysed data is from a... View Article
What instruments are used to measure the strength of earthquakes?
An earthquake has one magnitude unit. The magnitude does not depend on the location where measurement is made. A seismograph... View Article
What equation do astronomers use to calculate the sun-earth distance?
The first step in measuring the distance between the Earth and the Sun is to find the relative distances between... View Article
What element has the symbol, Ag?
Silver is a chemical element with symbol Ag and atomic number 47. Its electronic configuration is [Kr] 4d105s1 Classified as... View Article
What does the plant need in order to make its own food?
Green plants contain a pigment in their leaves called chlorophyll. If they did not have this pigment, they would not... View Article
What does Mendel’s law of segregation state?
Gregor Mendel’s law of segregation states that the two alleles for each trait segregate, or separate, during the formation of... View Article
What do the dextro and levo prefixes mean in Latin?
The prefix dextro comes from the Latin word dexter. It means on the right side or to the right.The prefix... View Article
