What is created when nucleotides join together into a polynucleotide? A. Polypeptide
B. Polysaccharide
C. Protein
D. DNA

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Which genetic disorders, caused by an extra x chromosome (xxy), is characterized by a lack of testicular development in males, effeminate features, possible mental impairment, and a thin stature?

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root