Category Archives: Biology

18 hours ago A new finding goes against dogma, showing for the first time that the building blocks of a protein, called amino acids, can be assembled by another protein, and without genetic instructions). The Rqc2 protein (yellow) binds tRNAs (dark blue, teal) which add amino acids (bright spot in middle) to a partially made protein (green). The complex binds the ribosome (white). Credit: Janet Iwasa, Ph.D., University of Utah Open any introductory biology textbook and one of the first things you'll learn is that our DNA spells out the instructions for making proteins, tiny machines that do much of the work in our body's cells. Results from a study published on Jan. 2 in Science defy textbook science, showing for the first time that the building blocks of a protein, called amino acids, can be assembled without blueprints - DNA and an intermediate template called messenger RNA (mRNA). A team of researchers has observed a case in which another protein specifies which amino acids are added. "This surprising discovery reflects how incomplete our understanding of biology is," says first author Peter Shen, Ph.D., a postdoctoral fellow in biochemistry at the University of Utah. "Nature is capable of more than … Continue reading →

Biology Cell Unit of Life part 23 (Cytoskeleton, Microfilaments, Microtubules) CBSE class 11 XI Biology Cell Unit of Life part 23 (Cytoskeleton, Microfilaments, Microtubules) CBSE class 11 XI. By: ExamFearVideos … Continue reading →

Biology Cell Unit of Life part 24 (Cilia Flagella) CBSE class 11 XI Biology Cell Unit of Life part 24 (Cilia Flagella) CBSE class 11 XI. By: ExamFearVideos … Continue reading →

Biology Cell Unit of Life part 25 (Prokaryotic Cell) CBSE class 11 XI Biology Cell Unit of Life part 25 (Prokaryotic Cell) CBSE class 11 XI. By: ExamFearVideos … Continue reading →

Biology Biomolecules Plants part 2 (Metabolism: Anabolic, Catabolic) CBSE class 11 XI Biology Biomolecules Plants part 2 (Metabolism: Anabolic, Catabolic) CBSE class 11 XI. By: ExamFearVideos … Continue reading →

Biology Biomolecules Plants part 4 (Carbohydrates) CBSE class 11 XI Biology Biomolecules Plants part 4 (Carbohydrates) CBSE class 11 XI. By: ExamFearVideos … Continue reading →

WHY SANSKRIT IS USELESS (STAND UP COMEDY) :Kenny on BIOLOGY,10TH STANDARD CBSE! So recently a lot of debate has been happening over Sanskrit, Well I never found use for Sanskrit when I was in school. Check out a snippet from my one hour stand up special about Sanskrit,... By: Kenneth Sebastian … Continue reading →

Marine Life Marine biology is the scientific study of organisms in the ocean or other marine or brackish bodies of water. Given that in biology many phyla, families and genera have some species that live... By: Mohammed Saheed … Continue reading →

Biology Biomolecules Plants part 5 (Carbohydrates classification) CBSE class 11 XI Biology Biomolecules Plants part 5 (Carbohydrates classification, Monosaccharides, Dehydration synthesis, Hydrolysis) CBSE class 11 XI. By: ExamFearVideos … Continue reading →

AP Biology Recruitment Video This is a video for prospective students for my AP BIology class. Background music is "On Top of the World" by Imagine Dragons. By: jchvatal1 … Continue reading →