An internal checkpoint can be found where?
a. after anaphase
b. after telophase
c. during metaphase
d. after the S phase
c. during metaphase
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In western Sweden, coastal marine ecosystems have been exposed to discharge of nutrients over several decades. As a result, algal blooms are more common.Algal mats on the sea bottom limit sunlight and alter the amount of dissolved oxygen in the water. Additionally, some algae produce toxic compounds that can enter shellfish. Furthermore, the decomposing algae produces a strong odor. Which statements below correctly match the outcomes to their effects on value of the ecosystem? Check all that apply.
_____ Aesthetic value is lost because the algae makes the beach ugly and smells terrible. _____ Indirect economic value is lost because fisherman cannot catch their usual fish. _____ Direct economic value is lost because the toxic shellfish cannot be eaten. _____ Aesthetic value is gained because the algae could be used for biomass. _____ Direct economic value is lost because the properties near the beach aren’t as desirable. Additional: Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the economic value of ecosystems? 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?
What physical properties of phospholipids make them useful in building membranes?
a. their usefulness in cells in living organisms that exist in watery environments, dueto their polarity b. their ability to interact with polar and non-polar compounds c. their ability to form a bilayer because of their polar and non-polar components d. all of the above
An example of secondary succession is
A) grasses colonizing sand dunes. B) lichens colonizing a rock. C) weeds colonizing a volcanic lava flow. D) crabgrass colonizing an abandoned wheat field.
When is a test-cross used?
A. To determine the genes in a dominant organism B. To determine the genes in a codominant organism C. To determine the genes in a recessive organism