Serving Quality Education
Serving Quality Education
Proof of DNA as the Genetic Material – Experiment of Avery, MacLeod, and McCarty Oswald Avery, Colin MacLeod, and Maclyn McCarty showed that DNA (and not proteins) can transform the properties of cells, clarifying the chemical nature of genes. Avery, MacLeod…
The myth of the “supermale” and the extra Y chromosome – YouTube From where does the different genes in different organisms come from? Where do genes come from? – Carl Zimmer – YouTube
Pathway of SpermsA quick mnemonic for memorizing the pathway of the sperm is SEVEn UP (Seminiferous tubule, Epididymis, Vas deferens, Ejaculatory duct, nothing, Urethra, Penis). Check out this video for the details. (2) Easy Trick To Learn Sperm Pathway | Male Reproductive…
Spermatogenesis Spermatogenesis occurs in the testes of males, and involves cell division by both mitosis and meiosis. Germinal epithelium cells divide by mitosis to produce diploid 1st degree spermatocytes which themselves divide by the first division of meiosis into haploid 2nd degree spermatocytes. These spermatocytes divide by meiosis…
Human Reproduction-Diagrams 1Male Reproductive System 2Female Reproductive System 3Section of a Seminiferous Tubule 4Section of a Mammary Gland 5Structure of a Human Sperm 6Structure of an Egg 7Gametogenesis: Spermatogenesis and Oogenesis 8Menstrual Cycle 9Fertilization 10Embryonic Development 11Human Foetus Inside the…
Test No. 4
Types of Development Physical Development This development is associated with development in one’s physical aspects such as height and weight. It is associated with quantitative changes that occur in the body. Mostly physical development takes place in cephalocaudal sequences, where…
Stages of Development Development in Early Childhood (2–6 Years) This is a stage where children like to do work independently. They do not like anyone to intervene in their work. Children show aggression, disobedience and antagonistic behaviour at this stage.…
भाजपा उम्मीदवार नंदकिशोर ने लोनी सीट पर…
भाजपा के तेजपाल सिंह नागर ने समाजवादी प…
समाजवादी पार्टी के अतुल प्रधान ने भारती…
Maths NCERT Solution for class 9 Chapter 1 Exercise 1.4
Maths NCERT Solution for class 9 Chapter 1 Exercise 1.3 2. 3. Express the following in the form p/q, where p and q are integers and q ≠ 0. Question – 4 Question – 5 Question – 6 Question –…
Exercise 10.1, Chapter 10 Class 10 Circles 1. How many tangents can a circle have? Answer: There can be infinite tangents to a circle. A circle is made up of infinite points which are at an equal distance from a point. Since…
Exercise 14.1, Chapter 14 Class 10 Statistics 1. A survey was conducted by a group of students as a part of their environment awarenessprogramme, in which they collected the following data regarding the number of plants in20 houses in a…
NCERT Solutions for Class 12 Maths – Chapter 1 – Relations and Functions as provided by India’s best teachers will give detailed and step-wise solutions to all the questions at the end of the chapter from the NCERT Maths book.…
Important Questions for Class 12 Physics Chapter 8 Electromagnetic Waves Class 12 Important Questions Electromagnetic Waves Class 12 Important Questions Very Short Answer Type Question 1.Name the part of the electromagnetic spectrum of wavelength 10-2 m and mention its one application.…
CBSE Previous Year Question Papers Class 12 Physics 2018 Section-A Question 1.A proton and an electron travelling along parallel paths enter a region of uniform magnetic field, acting perpendicular to their paths. Which of them will move in a circular…
बढ़ते प्रदुषण को देखते हुए दिल्ली सरकार …