The toxic component of lipopolysaccharride is called

A. Lipid A
B. NAG
C. Lysozyme
D. Mucin


Ans: A. Lipid A

Biology & Microbiology

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The fact that freckles tend to be inherited with red hair is counter to which of Mendel's assertions?

a) A single phenotype is dictated by two genes carried in each cell. b) There are only two alleles possible for a trait. c) Genes for different traits sort independently of each other. d) One allele is always fully dominant over another. e) Two copies of genetic instructions are carried per cell for a given characteristic.

Biology & Microbiology

Mycobacterium leprae primarily infects

A) macrophages. B) skin cells. C) neurons. D) macrophages and skin cells. E) skin cells and neurons.

Biology & Microbiology

A group of individuals of the same species that occupies a given area is referred to as a(n) ________

Fill in the blank(s) with correct word

Biology & Microbiology

Papillae occur along the walls of the taste buds on the tongue.

Answer the following statement true (T) or false (F)

Biology & Microbiology