Answers: 3
Chemistry, 22.06.2019 11:00
The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
Answers: 2
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 16:00
Which factor is likely to impact the possible number of compounds ?
Answers: 1
5. A cougar with a mass of 80 kg is standing at the edge of a cliff. Find the cougar’s potential ene...
Mathematics, 20.07.2021 18:40
Physics, 20.07.2021 18:40
Mathematics, 20.07.2021 18:40
Mathematics, 20.07.2021 18:40
Mathematics, 20.07.2021 18:40
History, 20.07.2021 18:40
Mathematics, 20.07.2021 18:40
Mathematics, 20.07.2021 18:40
English, 20.07.2021 18:40