Which of the following statements best describes the carbon atoms present in a seed-eating bird?
a) The carbon atoms ultimately came from simple organic compounds that formed abiotically from inorganic carbon, hydrogen, oxygen, and nitrogen atoms.
b) The carbon atoms ultimately came from carbon dioxide incorporated into sugars through photosynthesis.
c) Inorganic carbon atoms in the seeds were incorporated into organic molecules by the bird.
d) The carbon atoms are ultimately derived from coal.
e) The carbon atoms ultimately came from the soil.
Ans: b) The carbon atoms ultimately came from carbon dioxide incorporated into sugars through photosynthesis.
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If a somatic cell from a cat contains 40 picograms of DNA during G2 of interphase, how many picograms of DNA would be present in each cell during metaphase II of meiosis? (Enter the number only, not the units.)
What will be an ideal response? Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about meiosis? How does it relate to the question? 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?
The process of transferring genetic information between bacterial cells is accomplished with a transformation factor called DNA
a. True b. False Indicate whether the statement is true or false
The realized niche of Semibalanus is
A. bigger than its fundamental niche. B. the same as its fundamental niche. C. the same as that of Chthamalus. D. smaller than its fundamental niche.
Does Interphase happen before Meiosis I and Meiosis II?
What will be an ideal response?