Nondisjunction may cause
a)trisomy 21.
b)Turner syndrome.
c)Jacobs syndrome.
d)All answers are correct.
e)Klinefelter syndrome.
d)All answers are correct.
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Population genetics is the study of:
a. the relationship between natural selection and genetics. b. the phenotype expression of a population. c. all the alleles in a given population of organisms. d. the presence of analogous structures across different species.
Because attenuated live vaccines contain viruses that are less virulent, many booster vaccines must be given to produce an effective immune response.
Answer the following statement true (T) or false (F)
The aminoglycosides and tetracyclines specifically target the ________ interfering with ________.
A. 30S ribosomal subunit; protein synthesis B. topoisomerases; DNA replication C. tRNAs; protein synthesis D. cell membrane enzymes; transpeptidation step of peptidoglycan synthesis
A transmembrane protein has 1000 amino acids. The fifth amino acid is found on the external surface of the cell membrane. It interacts with the aqueous environment outside the cell
Amino acids 25 and 205 are covalently bonded to each other and are required to give the protein its three-dimensional shape. Amino acid 554 is found on the outer surface of the protein, but it is deep in the interior of the membrane. Amino acid 979 is found on the external surface of the protein, where it forms a weak ionic bond with a chloride ion. Can you identify each of the numbered amino acids by structural group and name? Please note that there may be more than one specific amino acid possible in some cases. Amino acids: 5 25 205 554 979 What will be an ideal response?