How is it possible for objects of the same volume to have a different mass?
What will be an ideal response?
Volume is the quantity of space an object occupies and mass is the quantity of matter it contains. Two objects of the same volume but different masses contain different amounts of matter. This will be reflected in their densities with the heaviest object having the highest density of matter and vice versa.
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Agrobacterium
A. contain the Ti plasmid that modifies the growth of plant tissue. B. produce antibiotics. C. infect animal cells. D. resemble fungus.
Why would it be better to transplant a plant with a ball of soil surrounding its roots?
a. The root hairs will remain intact. b. The nutrients will not escape from the roots. c. The plant is used to that particular soil. d. The weight of the soil helps the plant.
Bird song
a. has to be heard before a bird can sing it. b. is learned during early life. c. is specific for each bird species. d. has a genetic component. e. includes all of these.
Where would you predict an obligate anaerobe would grow in a tube of fluid thioglycollate medium?
At or very near the surface of the broth A little below the surface of the broth Throughout the entire tube At the bottom of the tube