Which of the following acts as a carrier of foreign DNA and is needed to clone a gene?

A. plasmid
B. viral vector
C. fungal vector
D. plasmid and viral vector
E. viral vector and fungal vector


D. plasmid and viral vector

Biology & Microbiology

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Most enveloped viruses use the host ________ membrane as their envelope source.

A. mitochondrial B. plasma C. nuclear D. none of these

Biology & Microbiology

ATP production requires __________

A. light B. electrons C. protons D. light and protons E. light, electrons, and protons

Biology & Microbiology

What characteristics distinguish slugs from nudibranchs?

What will be an ideal response?

Biology & Microbiology

Rough periwinkles that live in the splash zone use ____ for respiration

a. gills b. lungs c. the mantle cavity d. the foot e. the radula

Biology & Microbiology