Answer:
clusters of round shape bacteria
Explanation:
Microscopic examination of the potato salad should reveal <u>clusters of round shape bacterium. </u>
Staphylococcus or Staphylococcal are those that are round in shape (from the word 'coccus') and occur in clusters as opposed to individually or in chains. The word is derived from two Greek words - <em>staphyle</em> which means <em>bunch of grapes</em> and <em>kokkos</em> which means <em>to be round</em>.
Hence, <u>when a magnified image of the Staphylococcus aureus is produced by the microscope, clusters of round shape bacteria would be seen</u>.
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Answer:
C. the causes of cancer are not usually genetic.
Explanation:
Question:All known organisms use genetic information to produce protein molecules via the same genetic code. This finding strongly supports the hypothesis that __________.
a) the earliest macromolecules probably arose when lightning struck an oxygen-free atmosphere
b) all organisms are descended from one or a few common ancestors
c) the genetic code readily evolves by natural selection
d) there's only one possible way to encode information in a macromolecule
Answer:
b) all organisms are descended from one or a few common ancestors
Explanation:
Protein synthesis occurs when the nucleotide sequence of the mRNA is read in the form of genetic codes. A specific genetic code specifies the same amino acid in all living beings. For example, the code "UUU" codes for phenylalanine in all the living beings irrespective of their species. This suggests that all the life forms have originated from one or few common ancestors and the genetic code has been preserved during the course of evolution of various species.
