Which of the following DOES NOT MATCH?

A. LPS====Endotoxin
B. Porins====Gram negatives
C. all of these match
D. Active transport====Group translocation


Ans: C. all of these match

Biology & Microbiology

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In subarctic saltmarshes, scientists have found that the addition of calcium has no effect on productivity, but additional iron does increase productivity. In this example, iron

A. is a precursor to calcium. B. stimulates evapotranspiration. C. biomagnifies in the marsh plants. D. is a limiting factor. E. blocks the effect of calcium.

Biology & Microbiology

Enzyme-filled vesicle in which fatty acids and amino acids are metabolized to hydrogen peroxide that is broken down to harmless products.

What will be an ideal response?

Biology & Microbiology

If several traits are affected by the same allele, the allele is said to be

A. pleiotropic. B. dominant. C. epistatic. D. recessive.

Biology & Microbiology

The vaccine for which of these pathogens is an inactivated vaccine?

A) Hepatitis B) Human papillomavirus C) Influenza D) MMR E) Chicken pox

Biology & Microbiology