When a root is placed on its side, what happens to the amyloplasts in the root cap cells?
a. They move to the top.
b. They settle on the bottom.
c. They are digested by amylase.
d. They move into the root apical meristem.
e. They move into a root hair.
B
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In graph (b) in the figure above, which of the following best explains the data given about Lotus corniculatus?
A) This plant grows best when AMF taxa A or C are present. B) Lotus corniculatus does not form mycorrhizal associations. C) Mycorrhizal fungi parasitize the plant's roots when they are present, reducing its growth. D) This plant forms multiple AMF associations, growing best with increased fungal diversity.
Elongated photosynthetic cells attached to the upper epidermis in leaves are called ________
a. pericycle b. epidermal cells c. palisade mesophyll d. spongy mesophyll
Many scientists believe that the evolution of multigene families, such as the genes for hemoglobin, is a result of which type of genetic rearrangement?
A) Duplication B) Deletion C) Inversion D) Reciprocal translocation E) Nonreciprocal translocation
A new species of beetle is discovered. If you were a cladist, what steps might you take to classify this
beetle? How might this approach be different if you were a pheneticist? What will be an ideal response?