Energy ____
a. can be created, but not destroyed
b. cannot be created, but can be destroyed
c. can be created and destroyed
d. cannot be created or destroyed
e. can be created using a particle accelerator
ANSWER: d
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You investigated the cytoskeleton and found that all three elements, including the one you suspected, are completely normal. You then decide to look at the motor proteins to see if the cause might lie with one of them
Which of the following would be your hypothesis? A. The melanophores in these tadpoles have partially or non-functional kinesin that would normally transport organelles along microtubules to the center of the cell. B. The melanophores in these tadpoles have partially or non-functional kinesin that would normally transport organelles along microfilaments to the center of the cell. C. The melanophores in these tadpoles have partially or non-functional dynein that would normally transport organelles along microtubules to the center of the cell. D. The melanophores in these tadpoles have partially or non-functional dynein that would normally transport organelles along microfilaments to the center of the cell. E. The melanophores in these tadpoles have partially or non-functional myosin that would normally transport organelles along microfilaments to the center of the cell.
What legitimate factors might lead a scientist to do an imperfect version of an experiment, such as using chicken eggs as a stand-in for gull eggs? (Check all that apply.)
_____ because the scientist doesn't care about proper procedure _____ the perfect experiment is too expensive _____ the perfect experiment would harm the study species _____ to quickly get preliminary data for a grant _____ ignorance _____ the perfect experiment would take too much time 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 experimental design? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection: 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 is the iron hypothesis and why has it not been supported?
What will be an ideal response?
Occasional traits, such as the insect-capturing features of carnivorous plants, emerge because existing traits become used in novel ways. Such traits are known as ________
Fill in the blank(s) with correct word