Answer:
The Circulatory System
Explanation:
When blood is rich in carbon dioxide it leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. (All of which have to do with the circulatory system)
Answer:
As the choices are not given, so let's have a look at the Ramsar Convention in general.
Explanation:
In 1971, different countries around the globe signed a treaty in Ramsar, Iran for the conservation and sustainable usage of different wetlands around the world. The conservation of wetlands is important because the wetlands have a diversified flora and fauna. Destruction of the wetlands would result in many animals and plant species around the world to become extinct or endangered. Hence, this treaty was signed by different countries of the world as an understanding of the current situation of the wet lands.
The answer is the moon because it’s closer than any other celestial body.
The R group of the proteins are side chains which are specific to each protein and which confer specific chemical properties to the proteins. The R group determines the size, polarity and the pH of the protein.
In the case of the protein where the amino acid containing a polar R group is replaced with another amino acid containing non polar R group, the TERTIARY structure of the protein might be affected. Structure will be affected if the protein is hydrophillic and the R group is hydrophobic.
Answer:
Is to supply energy for their metabolic activities
Explanation:
