What happens to glutamic acid 35 and aspartic acid 52 at the end of the reaction?
A.) both amino acids are restored to their original forms
B.) glutamic acid is deprotonated and negatively charged
C.) lysozyme is destroyed and recycled as the product is released
D.) aspartic acid has formed a covalent bond with the first sugar
Ans: A.) both amino acids are restored to their original forms
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Land plants are thought to have arisen most directly from a(n) red algal ancestor
___________________ Indicate whether the statement is true or false.
A crucial photosynthetic gene of the cyanobacterium that gave rise to the chromatophore is called psaE. This gene is present in the nuclear genome of the cercozoan, but is not in the genome of the chromatophore. This is evidence of _____
A) reciprocal mutations in the chromatophore and nuclear genomes B) horizontal gene transfer from bacterium to eukaryotes C) genetic recombination involving a protist and an archaean D) transduction by a phage that infects both prokaryotes and eukaryotes
Refer to the accompanying figure. The allantois is identified by number:a
1. b. 2. c. 3. d. 4. e. 5.
In some plants, flowering is a _____ response
a. phototropic c. photoperiodic b. gravitropic d. thigmotropic