The infectious dose of most pathogens is about equal

Indicate whether this statement is true or false.


FALSE

Biology & Microbiology

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The digestive structure that stores concentrated bile is the ____

a. duodenum b. gallbladder

c. liver d. pancreas e. stomach

Biology & Microbiology

When scientists use a radioactive or fluorescent probe to label target DNA fragments and then transfer the hybridized fragments to a nylon membrane, what is this process called?

a. Southern blotting b. Northern blotting c. gel electrophoresis d. molecular cloning

Biology & Microbiology

In the modification of eukaryotic mRNA, ________ cap and ________ tail are usually added to the transcript.

A) an acetylated-guanine; a poly-cytosine B) a poly-guanine; a methyl group C) a poly-thymine; an acetyl group D) a methylated-guanine; a poly-adenine E) a methylated-adenine; a poly-guanine

Biology & Microbiology

What effect does "pinching back" have on a houseplant?

a. increases apical dominance b. inhibits the growth of lateral buds c. produces a plant that will grow taller d. stimulates lateral buds to grow e. increases the flow of auxin down the shoot

Biology & Microbiology