Proteins are macromolecules that consist of long, unbranched chains of amino
acids. these chains may contain about 20 up to hundreds of
acids. an
example of the size of proteins is the red pigment in red blood cells called
haemoglobin with the chemical formula -
c3032 h4816 0872 n780 sg fe4

According to the cladogram, which organisms have roundworms as a common ancestor?

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is 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