You are looking at diagrams of cells in the process of division and are uncertain as to what process you are viewing (mitosis or meiosis). You determine that the cells you are looking at have 7 chromosomes. You can confidently assume that these cells are
in which phase, based on this odd chromosome number?
A) metaphase II B) metaphase
C) metaphase I D) All of the above are true.
Answer: A
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Deuteromycetes has been further classified using
A. DNA probes. B. rRNA analysis. C. Southern blotting. D. replica plating.
Advantages of retaining the young sporophyte as an embryo within the parent plant include
_____ The embryo is protected from desiccation. _____ The embryo is able to quickly replicate, producing multiple copies that can be widely dispersed. _____ The embryo is able to attain nutrients supplied by maternal tissues. _____ The embryo is protected from pathogens. _____ The embryo is protected from ultraviolet light.
Agricultural chemicals include such things as ________.
What will be an ideal response?
Ammonia is the most toxic of the three major forms of nitrogenous waste
A. true B. false