________ can be used to transfer DNA to plant cells because it contains ________
a. Escherichia coli / lambda phage
b. An insect cell line / baculovirus
c. Bacillus thuringiensis / Bt toxin
d. Agrobacterium tumefaciens / the Ti plasmid
Answer: D
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What methods do fungi employ to disperse their spores? Select all correct choices
A. They can instruct plants to form "fake flowers," which attract pollinators that then disperse spores. B. They can produce pheromones similar to those of boars, which attract sows that disperse the spores. C. They can form fruiting bodies, which expel spores above "stagnant" air. D. They can highjack ants, creating "zombie ants" that (after death) disperse spores.
Substances are often packaged into small ________ for transport, either through the membrane or throughout the interior of the cell
A) vacuoles B) corpuscles C) vesicles D) organelles
What is the name of the meristematic tissue that gives rise to future vascular tissue?
A. dermal tissue B. ground meristem C. protoderm D. cork cambium E. procambium
Which of the following is an example of incomplete dominance in humans?
A) albinism B) hypercholesterolemia C) skin color D) ABO blood groups