For #1 im not sure but the amino acids are held together with peptide bonds. For #2 The primary structure of a protein is when the amino acids are in a chain bonded with peptide bonds. This is just a string of amino acids which will then form into a sheet and combine to form a full protein
Answer:
Nitrogen
Explanation:
Legume roots produce their own nitrogen, which is a major fertilizer nutrient needed by all plants for growth. Nitrogen is produced in nodules that form on the roots of legumes, which contain Rhizobium bacteria. The bacteria take nitrogen from the air and convert it into a form the plants can use.
Answer:
There are many methods used by the scientists to study the change of earth's atmosphere and climate over the past million years. The study is called paleoclimatology. Since there are no measurement tools during those era, it studies the past by using proxy data. Proxy data includes earth's sediments, tree rings, historical archives, ice cores, and etc.
Explanation:
Answer:
the answer is 'rectilinear propogation of light'
Explanation: