B. Cell membrane
Answers: 2
Biology, 21.06.2019 15:20, lillysiege
Sydney drew a flow chart to illustrate the nitrogen cycle. which labels best complete the flow chart? x: producers undergo photosynthesis. y: nitrogen compounds are released into the air. x: nitrogen compounds are released into the air. y: producers undergo photosynthesis. x: free nitrogen is in the atmosphere. y: producers absorb nitrogen compounds through their roots. x: producers absorb nitrogen compounds through their roots. y: free nitrogen is in the atmosphere.
Answers: 3
Biology, 22.06.2019 02:10, daniel1480
The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these
Answers: 2
The main part of a cell that maintains homeostasis is the .
A. The nucleus
B. Cell membrane
B. Cell membrane
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