Before mitosis begins, a cell makes a copy of the dna in the nucleus. what term is used to describe this process of making an exact copy of the dna?
a)
duplication
b)
fertilization
c)
hybridization
eliminate
d)
replication

Illustrate, label, and explain how atmospheric carbon and oxygen find there way into a consumer and then back into a producer. include the following terms in your illustration: co2, 02, respiration, photosynthesis, sugar, mitochondria, chloroplast, water, solar radiation

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen