When cells associate with each other they form
A. atoms.
B. molecules.
C. macromolecules.
D. tissues.
E. populations.
Answer: D
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A nucleic acid contains thymine, allowing you to conclude that: rev: 02_22_2014_QC_45858
A. this nucleic acid is DNA. B. this nucleic acid is RNA. C. this nucleic acid could be either DNA or RNA.
Review the pedigree shown in Figure 17.7 and choose the most accurate statement about the inheritance of an X-linked recessive mutation
A. For rare X-linked traits, most of the affected individuals are males. B. Daughters of affected males are always affected. C. The offspring of an affected male are usually affected. D. The sons of the sisters of affected males will always be affected. E. The brothers of affected males are always affected.
The molecule(s) that act as molecular glue to bind DNA fragments together is/are
A. DNAse. B. DNA ligase. C. ligandase. D. polymerase. E. DNAse AND ligandase.
External cues such as increasing day length or warming after a cold snap stimulate gibberellin
synthesis, which results in bolting in plants such as cabbages.
Indicate whether the statement is true or false.