After soaking in the vinegar, the egg’s exterior is soft and flexible. The egg is translucent, and the yolk can easily be seen using a flashlight, as shown in the image on the right. Part A: What animal cell organelles are represented well in Makena’s model?

Cell membrane/plasma membrane;

Nucleus;

Cytoplasm

Explanation:

Makena's model is synonymous with that of an animal cell.

The soft flexible putter layer of the egg can be likened to the cell membrane of an animal cell. Cell membrane, also called plasma membrane, just like the soft and flexible exterior of the egg, is a semi-permeable that serves as a barrier between the external environment of the cell and it's inner environment. It controls what goes in and out of the cell, as well as help in the selectively exchange of ions and molecules, in and out of the cell.

The yolk in Makena's model represents the nucleus of an animal cell.

Also, the surrounding area between the yolk and the exterior of the egg, represents the cytoplasm found in animal cells. The cytoplasm is filled with fluids and surrounds the nucleus.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

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