Answer:
Nucellus makes the most of the ovule. It encloses the embryo sac. They have abundant food reserves and therefore act as nutritive tissues for the embryo in some plants.
Muscle cells brain cells blood cells white blood cells fat cells
Answer:
all of these affect enzyme activity
Pyrimidines are single-ringed nitrogenous bases that include Uracil, Cytosine, and Thymine.
If any of these three nitrogen bases are part of the multiple choice, then it should be the answer. I just took the test and for me it was Thymine.
