Getty Images
Telomerase enzyme.
Telomerase (blue) is an enzyme that adds telomeres, repeat units of six DNA bases, to the ends of chromosomes. It uses an RNA template (red backbone) to assemble repeated units of the DNA bases TTAGGG, where T is thymine (yellow), A is...
Curated Video
++EMBARGOED 1800 GMT++Scientists engineer mutant enzyme which eats plastics quickly
++EMBARGOED 18.00 GMT MONDAY 16 APRIL++
WORLD PLASTIC EATING ENZYME
SOURCE: ASSOCIATED PRESS
RESTRICTIONS: AP CLIENTS ONLY
LENGTH: 5.26
SHOTLIST:
1....
Curated Video
Nerve agent Novichok - how it breaks down the body
LEADIN:
Chemical experts say the nerve agent used to attack a former Russian spy and his daughter behaves differently to those previously used and is in a class of substances deadlier than similar chemicals like sarin or...
Curated Video
Nerve agent Novichok - how it breaks down the body
LEADIN:
Chemical experts say the nerve agent used to attack a former Russian spy and his daughter behaves differently to those previously used and is in a class of substances deadlier than similar chemicals like sarin or...
Curated Video
Can green tea enhance Olympic ahtletes'' performances?
London, UK, April 16, 2012
1. Various of tea shop owner Timothy d''Offay and assistant prising open tea chest
2. Close zoom out of wooden plaque with teapot sign to reveal canisters of tea
3. Mid low view of canisters
4. Close of...
Curated Video
Facials made of bird excrement
New York, US, July 17, 2013
1. Various of beauty therapist Shizuka Bernstein applying bird droppings facial
2. SOUNDBITE (English) Shizuka Bernstein, proprietor, Shizuka New York
"The main ingredient, the bird droppings, have a natural...
Curated Video
Electric scooter sharing the latest trend in Berlin
LEADIN
Electric scooters that can be booked with a smartphone app are the latest way to get around Berlin.
Around 1800 scooters are available in the German capital and available for anyone with a drivers...
Curated Video
Electric scooter sharing the latest trend in Berlin
LEADIN
Electric scooters that can be booked with a smartphone app are the latest way to get around Berlin.
Around 1800 scooters are available in the German capital and available for anyone with a drivers...
Curated Video
Electric scooter sharing the latest trend in Berlin
LEADIN
Electric scooters that can be booked with a smartphone app are the latest way to get around Berlin.
Around 1800 scooters are available in the German capital and available for anyone with a drivers...
Press Association
Burns patient praises medics for pioneering pineapple treatment
Specialists at a burns unit have been praised for pioneering a treatment using pineapple plants.
Medics at St John’s Hospital in Livingston, West Lothian, are using a new drug called NexoBrid to help patients in what is a first for...
Curated Video
Relief supplies prepared in city closes to quake-hit villages
In an apparent change of heart, Iran said on Tuesday it now welcomes foreign aid for victims of the deadly twin earthquakes that hit the country's northwest last weekend.
The 6.4 and 6.3 magnitude quakes on Saturday killed 306 people and...
PBS
Pbs Learning Media: From Dna to Protein
This narrated animation schematically shows the process of protein synthesis. [3 min, 24 sec]
Sophia Learning
Sophia: Definition of a Catalyst
This lesson will define the term catalyst and explain how a catalyst affects the activation energy of a chemical reaction. Examples provided.
Sophia Learning
Sophia: Enzymes
This narrated screencast explains the role enzymes play in cellular metabolism. [4:42]
Sophia Learning
Sophia: Enzyme Structure
Learn about enzyme structure, and the complex proteins which make up enzymes. [0:39]
Sophia Learning
Sophia: Structure and Function of Macromolecules: Enzymes
Listen to this podcast introducing the function of enzymes in the human body. [0:38]
Khan Academy
Khan Academy: Energy and Transport: Unit Test
Take this nine-question unit test over energy and transport.
Khan Academy
Khan Academy: Enzyme Cofactors and Coenzymes
Learn about the proteins that can help enzymes catalyze reactions known as cofactors and coenzymes. [9:59]
Khan Academy
Khan Academy: Gibbs Free Energy and Spontaneous Reactions
A video exploring how to use Gibbs free energy to figure out if a reaction is going to be spontaneous or not which is helpful in biology. [9:18]
Sophia Learning
Sophia: Enzyme Function: Lesson 1
This lesson will describe how an enzyme is used to turn substrate into product. It is 1 of 5 in the series titled "Enzyme Function."
Sophia Learning
Sophia: Enzyme Structure: Lesson 1
This lesson will describe that enzymes are made of proteins, and can be found in nature or can be synthesized synthetically. It is 1 of 4 in the series titled "Enzyme Structure."
Sophia Learning
Sophia: Induced Fit: Lesson 3
This lesson will describe the process of induced fit, and explain how enzymes use it during chemical reactions. It is 3 of 3 in the series titled "Induced Fit."
Sophia Learning
Sophia: Lock and Key Model: Lesson 1
This lesson will show that each enzyme fits to a specific structure using the lock and key model. It is 1 of 4 in the series titled "Lock and Key Model."
Sophia Learning
Sophia: Active Site: Lesson 2
This lesson shows that an active site is the space on an enzyme where a substrate would attach. It is 2 of 4 in the series titled "Active Site."