For a transgenic animal line to be produced from a chimera, the transgene must be carried by what?

What will be an ideal response?


germ line or germ cells

Biology & Microbiology

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Pfiesteria is a(n) ________ that produces a toxin harmful to humans.

A. alga B. protozoan C. helminth D. endospore E. fungus

Biology & Microbiology

A large molecule whose subunits consist of a sugar and a nitrogenous base is called a ____

a. nucleoside b. nucleotide c. nucleic acid d. nucleosome e. nuclear unit

Biology & Microbiology

Briefly describe the difference between adaptation from new mutation and adaptation from standing genetic variation in natural populations

What will be an ideal response?

Biology & Microbiology

Which of the following statements about the insect exoskeleton is NOT true?

A. The insect exoskeleton grows with the organism. B. The insect exoskeleton has muscles attached to it from the inside of the body. C. The insect exoskeleton is made of a complex form of carbohydrate called chitin. D. The exoskeleton protects insects against predators and drying out. E. The insect exoskeleton is jointed and movable.

Biology & Microbiology