d. Eras are divided into periods; periods are divided into epochs.
The geologic time is divided from the largest defined unit of time called supereon, which is composed of eons. Eons are further subdivided into eras, periods, epochs and the smallest unit of time - ages.
Answer:
A
Explanation:
The prokaryotic cells have nucleus in them
Answer:
it had more than one lens
Explanation:
The first compound microscope had more than one lens located in the objective and eyepiece. Both the eyepiece lens and objective lens are convex. The compound microscope is used to magnify specimen at high magnification (40 - 1000x), which is achieved by the combined effect of the two sets of lenses.
<u><em>Photosystem I</em></u> is found in the membrane facing the inside of the grana and <u><em>Photosystem II</em></u> is found in membrane facing the stroma