Which of the following represents energy flow
in a grazing food web?
a. producers >>> detritivores >>>
decomposers
b. producers >>> decomposers >>>
detritivores
c. producers >>> herbivores >>>
decomposers >>> carnivores
d. producers >>> herbivores >>> carnivores
>>> decomposers
e. producers >>> herbivores >>> detritivores
>>> carnivores
D
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A particular chemical reaction is exergonic. What can you say about the relationship between the reactants and the products in this exergonic reaction?
A. The reactants have more free energy than the products B. The reactants are likely more disordered and the products are likely more ordered C. The reactants cannot spontaneously react to generate the products D. The reactants likely have lower enthalpy than the products 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 energy associated with reactants and products in reactions? What other information is related to the question? Choose Answer Do you have all the information needed to answer the question? 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?
Using mathematical reasoning, a triplet genetic code gives a possible ________ different codons, while a doublet genetic code would yield ________ different codons
Thus, the triplet code accounts for 20 known amino acids and indicates redundancy in the genetic code. Fill in the blank(s) with correct word
Synthesis of cDNA requires the use of
A. DNA ligase. B. agarose. C. reverse transcriptase. D. restriction enzymes. E. fluorescent synthetic nucleotides.
Which of the following is not part of the respiratory system?
A. bronchus B. trachea C. esophagus D. pharynx E. nasal cavity