The Ti plasmid is used as a vector to transfer DNA into
A. viruses.
B. bacteria.
C. plant cells.
D. animal cells.
C
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Fern leaves can be large, with their photosynthetic surfaces divided into smaller units called:
A. pinnae. B. fronds. C. stems. D. leaflets. E. thalli.
Sulfonamides inhibit the production of folic acid and, therefore, inhibit the synthesis of ________.
A. aromatic amino acids B. ribose C. purines and pyrimidines D. peptidoglycan
Why might a seed be covered in prickly hooks?
A) To aid in seed dispersal B) To allow it to float on water C) To keep it from being eaten D) To help the seed germinate E) To attract insects
There are 5 independently assorting genes named A, B, C, D and E. If you bred individuals with these genotypes: AABbCcddEE x AaBbCcDDEE, what would be the expected proportion of offspring that would have the following genotype: AABbccDdee?
a) 0 b) 1/16 c) 1/8 d) 1/32