DNA vaccines are bacterial plasmids that contain cloned DNA with an antigen of interest are unlike attenuated vaccines because there is no chance of causing disease

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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Enzymes that readily break starch apart cannot hydrolyze the glycosidic linkages found in cellulose. Why is this logical?

A) The geometry of the bonds is different, and the shapes of enzyme active sites are highly specific. B) Starch is held together by hydrogen bonding, not covalent bonding. C) Cellulose molecules are highly branched, and enzymes are too bulky to fit. D) Starch is held together by peptide bonds, not glycosidic linkages.

Biology & Microbiology

During incubation and convalescence a person may still spread infectious organisms

Indicate whether this statement is true or false.

Biology & Microbiology

Although there are similarities between animal and fungal digestion, there is a major difference. Identify this difference

a. Animal digestion uses enzymes; fungal digestion does not. b. Only animals begin the digestive process outside the body. c. Larger nutrient molecules are absorbed through the animal cell membrane than through fungal cell membranes. d. A fungus will digest nutrient matter outside of its body. e. Under certain conditions, fungi can produce their own nutrients.

Biology & Microbiology

If you can roll your tongue,

a. you have at least one copy of the dominant allele T. b. you have two copies of the recessive allele t. c. you must be male. d. you are haploid.

Biology & Microbiology