Insects are most closely related to:
A. mites.
B. ticks.
C. millipedes.
D. lobsters.
E. crustaceans.
E
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To test for the presence of starch, iodine can be used. A positive reaction results in a black color. A dialysis bag filled with starch solution and secured on both ends is placed in iodine solution. After 30 minutes the dialysis bag appears black. Based on this information, what most accurately describes what happened?
A. Due to its size and polarity, starch was able to exit the dialysis bag and interact with the iodine solution. B. Due to its size and polarity, iodine was able to enter the dialysis bag and interact with starch. C. Over time, both iodine and starch are equally distributed throughout the two solutions. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about dialysis? What other information is related to the question? 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?
Many hyperthermophiles are chemolithoautotrophs
Indicate whether the statement is true or false.
Researcher A studies the protein interactions involving the polypeptides that comprise hemoglobin, while Researcher
B studies protein interactions between a protein kinase and its target protein. Researcher A will therefore focus on ____, and researcher B will focus on ____.
a. protein localization; protein sequence b. protein sequence; protein localization c. permanent protein interactions; transient protein interactions d. transient protein interactions; permanent protein interactions e. protein regulation; transcriptional regulation
These are the primary cellular sites for the extraction of energy from organic compounds
a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula