Which of the following virulence factors enable(s) bacteria to avoid phagocytosis by white blood cells?

A) capsule
B) cell membrane
C) cell wall
D) pili


A) capsule

Biology & Microbiology

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Why are the words "about" and "approximately" used in discussing the results of genomic analysis? Predict what advances in knowledge or methods could change our understanding of a genome sequence

What will be an ideal response?

Biology & Microbiology

The polymerase chain reaction is used to

A. amplify certain sections of DNA. B. amplify mRNA. C. produce proteins. D. produce long polymers of carbohydrates to be used in electrophoresis.

Biology & Microbiology

Which of the following statements about the Hershey-Chase experiment is false?

A) The virus-infected bacteria showed radioactive phosphorus. B) Protein was labeled with radioactive sulfur. C) The virus-infected bacteria contained radioactive sulfur. D) DNA was labeled with radioactive phosphorus.

Biology & Microbiology

Homologous chromosomes contain the same ____ but may contain different ____.

a)alleles, genes b)sister chromatids, genes c)alleles, sister chromatids d)genes, sister chromatids e)genes, alleles

Biology & Microbiology