Biology, 05.06.2020 22:01 jesuscruzm2020
Negative feedback mechanisms are common among plants and animals while positive feedback mechanisms are very rare. Why are negative feedback
mechanisms so much more prevalent?
A) Positive feedback mechanisms have a higher energy cost.
B)Negative feedback mechanisms provide energy for cell growth.
C)Positive feedback mechanisms evolved much later than negative feedback mechanisms.
D)Only negative feedback mechanisms lead to homeostasis, important for life.
Answers: 3
Biology, 22.06.2019 08:50
Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.
Answers: 1
Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 2
Negative feedback mechanisms are common among plants and animals while positive feedback mechanisms...
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