Biology, 18.03.2020 02:06 girlydiy17
As humans, we have receptors for two kinds of beta adrenergic compounds such as catecholamines. Cardiac muscle cells have beta 1 receptors that promote increased heart rate. Some drugs that slow heart rate are called beta blockers. Smooth muscle cells, however, have beta 2 receptors which mediate smooth muscle contractions. Blockers of these effects are sometimes used to treat asthma.
The description above illustrates what?
Answers: 1
Biology, 21.06.2019 22:50
An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?
Answers: 1
Biology, 22.06.2019 03:00
Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
Answers: 1
Biology, 22.06.2019 05:30
Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring
Answers: 2
Biology, 22.06.2019 12:00
Can a trait be both polygenic and have multiple alleles? explain why or why not.
Answers: 2
As humans, we have receptors for two kinds of beta adrenergic compounds such as catecholamines. Card...
Mathematics, 03.04.2020 11:31
Chemistry, 03.04.2020 11:32
Biology, 03.04.2020 11:33
Mathematics, 03.04.2020 11:34
Mathematics, 03.04.2020 11:34
Mathematics, 03.04.2020 11:34
Mathematics, 03.04.2020 11:34
History, 03.04.2020 11:34
English, 03.04.2020 11:35
Mathematics, 03.04.2020 11:35