During graft rejection, cytotoxic T cells of the recipient recognize and respond to foreign class I MHC receptors on the grafted cells.
Answer the following statement true (T) or false (F)
True
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Match the following E. coli ribosomal components on the left with the function on the right. Enter only one letter on each line. Not all letters will be used
A. 16S rRNA _____ binds to IF-3 B. 5S rRNA _____ catalyzes the peptidyl transfer reaction C. 30S ribosome _____ specifically recognizes the Shine-Delgarno sequence D. 23S rRNA
Humans depend on other organisms to provide all of the following except:a
soil. b. declining biodiversity. c. pharmaceuticals. d. a balance in atmospheric CO2 and O2. e. recycling of nutrients.
________ stochasticity is the random variation in birth and death rates that occurs in populations from year to year as a result of natural disasters and other annual variations in the environment
Fill in the blank(s) with correct word
How might a single base insertion into the second codon of the coding sequence of a gene affect the amino acid sequence of a protein encoded by the gene?
A) A single amino acid could change. B) The amino acid sequence would be altered. C) The mutation may have no effect on amino acid sequence. D) A single extra amino acid would be present in the protein. E) All of the above are possible outcomes.