Which type of macromolecule is made up of subunits that are called amino acids?
carbohydrate
lipid
nucleic acid
protein

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

How do dying stars contribute to the formation of planets

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by