All the bones of an adult human contain red bone marrow and thus produce blood cells.
Indicate whether the statement is true or false
Answer: False
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The bacterial Shine-Dalgarno mRNA sequence is:
A. a translation termination signal. B. the ribosomal binding site. C. a translational elongation factor. D. a protein coding region.
Quality control is set up on urea media. Which two organisms should be used to determine the validity of the media?
a. C. ulcerans and C. diphtheria b. C. diphtheria and Streptococcus pneumo-niae c. C. ulcerans and Corynebacterium pseu-dotuberculosis d. C. glucuronolyticum and C. ulcerans
Which of the following is likely to be chemically unreactive?
a. chlorine (7 valence electrons) b. calcium (2 valence electrons) c. argon (8 valence electrons) d. carbon (4 valence electrons) e. potassium (1 valence electron)
The anticodon
a. is found on mRNA. b. has the same sequence as the codon. c. is a sequence found on DNA. d. helps the ribosome begin translation. e. helps bring in the correct amino acid to add to the growing polypeptide chain.