which statements describe proteins? select three options.\n\nproteins are created from the code in…

which statements describe proteins? select three options.\n\nproteins are created from the code in dna.\nproteins are synthesized in the nucleus of a cell.\ndna and rna are proteins.\namino acids are the building blocks of proteins.\nproteins affect the structures and functions of living things.\nthe shape and the function of a protein are not related.

which statements describe proteins? select three options.\n\nproteins are created from the code in dna.\nproteins are synthesized in the nucleus of a cell.\ndna and rna are proteins.\namino acids are the building blocks of proteins.\nproteins affect the structures and functions of living things.\nthe shape and the function of a protein are not related.

Answer

Brief Explanations:

Proteins are essential biological macromolecules with specific characteristics:

  1. Genetic Origin: Proteins are synthesized through the processes of transcription and translation, where the genetic information stored in DNA serves as the blueprint.
  2. Monomer Units: They are polymers composed of long chains of amino acids linked by peptide bonds.
  3. Biological Role: Proteins serve as structural components, enzymes, and signaling molecules that determine the physical traits and physiological functions of organisms.

Incorrect options:

  • Proteins are synthesized at ribosomes in the cytoplasm or on the rough ER, not in the nucleus.
  • DNA and RNA are nucleic acids, a distinct category from proteins.
  • The shape (structure) of a protein is fundamentally related to its specific function.

Answer:

  • Proteins are created from the code in DNA.
  • Amino acids are the building blocks of proteins.
  • Proteins affect the structures and functions of living things.