Explanation:
BIOMEDICAL IMPORTANCE
In addition to serving as precursors of nucleic acids, purine and pyrimidine nucleotides participate in metabolic functions as diverse as energy metabolism, protein synthesis, regulation of enzyme activity, and signal transduction.
Answer:
A, B, and C
Explanation:
Atoms do in fact have mass! They are also the basic unit of a chemical element. Matter is in fact made of atoms, but atoms do not take up space.
Atoms are filled with empty space, excluding it out from the rest of the answers.
So yes, A, B, and C should be the correct answers
A: Xylem transports and stores water and water-soluble nutrients in vascular plants. Phloem is responsible for transporting sugars, proteins, and other organic molecules in plants.
Answer:
Explanation:
A Brönsted-Lowry acid is defined as any substance that has the ability to lose, or "donate a proton" [H +].
A Brönsted-Lowry base is a substance capable of gaining or "accepting a proton" [H +].
Then a proton transfer occurs, which requires the presence of a proton donor, that is, an acid and a base that accepts them.
This theory has the disadvantage of leaving out several substances that are acidic and that do not have protons.
Thiocyanic acid is a chemical compound that can be considered, but not a Bronsted Lowry base, giving up the proton and generating the anion [SCN] -
