Which of the following sequences in double-stranded DNA is most likely to be recognized as a cutting site for a restriction enzyme (endonuclease)?
A) AAGG
TTCC
B) AGTC
TCAG
C) GGCC
CCGG
D) ACCA
TGGT
E) AAAA
TTTT
Answer: C
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The heavy line in the figure above illustrates the relationship between auxin concentration and cell growth in stem tissues. If the same range of concentrations were applied to lateral buds, what curve(s) would probably be produced?
A) I B) II C) III D) II or III E) I or III
After years of listening to loud music on headphones, the cilia on Bob's hair cells are damaged. What is the result?
Hair cells are delicate sensors of sound, movement, and gravity. Since they are stimulated by movement of the stereocilia and kinocilium, these structures are vulnerable to damage when stimulus is too strong or sustained. A. vestibular problems B. hearing loss C. vision problems D. taste hallucinations
Broad, flat, deciduous leaves are fan shaped; ovules develop into naked seeds.
a. Mosses b. Ferns c. Conifers d. Gingkos e. Angiosperms
An inhibitor
A. denatures an enzyme. B. attaches itself to the product, thereby preventing the product from functioning. C. attaches itself to the enzyme, thereby preventing the enzyme from forming the enzyme-substrate complex. D. renders the enzyme inactive by attaching positively charged hydrogen ions to the enzyme's side chains.