The lophophore of a brachiopod serves the same function as the ________ in a bivalve.
A. shell
B. foot
C. mantle
D. gills
Answer: D
You might also like to view...
You decide to repeat the Meselson-Stahl experiment, except this time you plan to grow the E. coli cells on light 14N medium for many generations and then transfer them to heavy 15N medium and allow them to grow for 2 additional generations (2 rounds of DNA replication). If the conservative model of DNA replication was correct, what is the expected distribution of DNA in the density gradient after two rounds of replication?
A. One band of intermediate density. B. One band of light density. C. One band of heavy density. D. One band of light density and one band of heavy density. E. One band of light density and one band of intermediate density. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about the Meselson-Stahl experiment? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Intrinsically unstructured proteins:
A. have no function because they are unstructured. B. only function in membranes. C. are capable of binding to several different sites on different partners. D. are more common in bacteria than in humans. E. are only observed in diseased cells.
Most geneticists would agree that human races are distinct genetic entities
a. True b. False Indicate whether the statement is true or false
The biological species concept cannot be used to distinguish between species that are extant
Indicate whether the statement is true or false.