Describe the hypothesized sequence of chemical and biological events that preceded the origin of eukaryotic cells. Simple organic molecules joined to form complex molecules due to reactions fueled by energy sources. Eventually, amino acids and then proteins formed in cells. RNA probably existed before DNA.
Answer: Sickle-cell disease
Explanation:
Sickle-cell disease is characterized by the presence of a sickle shaped red blood cell, due to the substitution of glutamate with valine in the amino acid sequence of the protein globin portion.
Hence, the sickled shaped globin is unable to transport oxygen efficiently to body tissues, resulting in malfunction of the red blood cell.
I believe the answer to this question is cellular respiration
Answer:
they croak to show agresion
Explanation:
b/c they use it to pretect females
Answer:
D
Well in a cornfield, its only corn and if your a hebirvore, its heaven there, but for canviroe's it doesnt work out to well, also corn field's are normally in a farmer's land, so meat eating animals dont really liketo go there, or they migth get shot
Hope this helps!