Answer:
Immune and Lymphatic Systems
Explanation:
Answer:
C
Explanation:
Arrow 1 represents the promoter for RNA II.
Enzymes are biological catalysts – they speed up chemical reactions. Enzymes are required for most of the chemical reactions that occur in organisms . These reactions occur in the breakdown of chemical molecules, which we see in the digestive system . ... Enzymes are proteins that have a complex 3D-shape.
Answer:
a: metaphase
Explanation:
the chromosomes are aligned at the metaphase plate
