Which part of an amino acid is always acidic and why?
What will be an ideal response?
Ans: The carboxyl group (COOH) contains two oxygen atoms that tend to pull electrons away from the hydrogen atom, so this group tends to lose a proton and is acidic.
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Transcriptional activator proteins bind to a specific DNA sequence referred to as a(n) ____
Some help with this, would be great.
Biological evolution according to Darwin and Wallace states that
a. organisms produce numerous offspring, but environmental factors limit the number of reproducing survivors. b. heritable variations allow some individuals to outcompete others. c. the offspring of successful individuals inherit the favorable characteristics of their parents. d. a and b e. a, b, and c
Whales, dolphins, and porpoises all belong to the order:
a. Sirenia. b. Cetacea. c. Carnivora. d. Pinnipedia. e. Fissipedia.
Trees in the Arctic are predicted to move ________ in response to warming trends
Fill in the blank(s) with correct word