Khan Academy: 2757 producten
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
check_box_outline_blank
Biology: Peptide bond formation
How amino acids form peptide bonds (peptide linkages) through a condensation reaction (dehydration synthesis). Biology Life is beautiful! F…
VideoGratis8 minuten
check_box_outline_blank
Biology: Cellular specialization (differentiation)
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoGratis9 minuten
check_box_outline_blank
High school biology: Pedigree for determining probability of exhibiting sex linked recessive trait
Pedigree for determining probability of exhibiting sex linked recessive trait High school biology Pedigrees Topic: Science Learn about all …
VideoGratis5
check_box_outline_blank
Biology: Inflammatory response
Overview of the inflammatory response. Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosyste…
VideoGratis15 minuten
check_box_outline_blank
Biology: Evolution clarification
Clarifying some points on evolution and intelligent design. Biology Life is beautiful! From atoms to cells, from genes to proteins, from po…
VideoGratis9 minuten
check_box_outline_blank
High school biology: Structure of the nervous system
High school biology The nervous and endocrine systems Topic: Science Learn about all the sciences, from physics, chemistry and biology, to …
VideoGratis9 minuten
check_box_outline_blank
Organic chemistry: Newman projection practice 2
How to determine the most and least stable conformations using Newman projections Organic chemistry Sal and Jay cover topics covered in col…
VideoGratis11 minuten
check_box_outline_blank
Biology: Carbon 14 dating 2
Carbon 14 Dating 2 Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the s…
VideoGratis4 minuten
check_box_outline_blank
Chemistry: Van der Waals forces
Van der Waals forces: London dispersion forces, dipole-dipole forces, and hydrogen bonding. Chemistry Did you know that everything is made …
VideoGratis12 minuten
check_box_outline_blank
Biology: Flow of energy and matter through ecosystems
Seeing how energy and matter flows and is recycled from primary producers (autotrophs) to primary, secondary and tertiary consumers. Biolog…
VideoGratis10 minuten
check_box_outline_blank
High school biology: Meet the heart!
Find out exactly where the heart rests in your body and what it does. Rishi is a pediatric infectious disease physician and works at Khan A…
VideoGratis10 minuten
check_box_outline_blank
Biology: Polymerase chain reaction (PCR)
Introduction to PCR (polymerase chain reaction). Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations t…
VideoGratis10 minuten
check_box_outline_blank
Biology: K-Ar dating calculation
Working through a calculation for K-Ar dating (good to have some prior experience with e and logarithms) Biology Life is beautiful! From at…
VideoGratis11 minuten
check_box_outline_blank
Organic chemistry: Aromatic stability II
How the geometry of a molecule plays into aromaticity. Why cyclooctatetraene is not aromatic like benzene. Organic chemistry Sal and Jay co…
VideoGratis10 minuten
check_box_outline_blank
Biology: Applying the Hardy-Weinberg equation
Using the Hardy-Weinberg equation to calculate allele and genotype frequencies. Biology Life is beautiful! From atoms to cells, from genes …
VideoGratis6 minuten