Which of the following is the gene from which bacteria has been introduced into many plant genomes to confer the ability to produce toxic crystals that kill many insects?

a. Agrobacterium tumefaciens
b. E. coli
c. Y. pestis
d. Bacillus thuringiensis


d. Bacillus thuringiensis

Biology & Microbiology

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Mammals are the only vertebrates to possess  

A. hair. B. single loop circulation. C. a four-chambered heart with a pulmonary circuit. D. endothermy. E. live birth.

Biology & Microbiology

Distinguish between quantitative and qualitative variation

What will be an ideal response?

Biology & Microbiology

Which type of plant hormone governs senescence in plants, such as the loss of leaves in autumn by

some plants?

a. cytokinins b. abscisic acid c. gibberellins d. brassinosteroids e. ethylene

Biology & Microbiology

Draw a general overview of the flow of genetic information from DNA to protein in eukaryote vs. prokarytotes. You

should construct one drawing for eukaryotes and one for prokaryotes. Label all structures, molecules, processes, and cellular compartments What will be an ideal response?

Biology & Microbiology