The serial endosymbiosis hypothesis states that the origin of mitochondria and chloroplasts was the result of a
mutually advantageous symbiotic relationship between two eukaryotic organisms.
______________ Indicate whether the statement is true or false.
False - prokaryotic
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Lactose is composed of _____________ joined by a _____________ linkage
A. glucose and galactose; glycosidic B. two glucoses; peptide C. glucose and fructose; glycosidic D. two amino acids; peptide E. two galactoses; glycosidic
Populations that suffer significant reductions in number may experience two population-genetic consequences that together can hasten their decline. Which two processes are likely to act in concert in small populations, and what is their effect?
What will be an ideal response?
Which sequence presents the digestive structures of an annelid in the proper order?
a. mouth, esophagus, crop, gizzard, intestine, anus b. mouth, esophagus, gizzard, crop, intestine, anus c. mouth, esophagus, intestine, gizzard, crop, anus d. mouth, esophagus, crop, intestine, gizzard, anus
When a cell is placed in an isotonic solution, water molecules will cross the cell membrane.
A) True B) False