【单选题】____ locate near the nucleus and appear as cylindrical structures consisting of a ring of nine evenly spaced bundles of three microtubules. They play a role in the formation of cilia and flagella and ...
【简答题】The petrochemical industry claims that chemical waste dumps pose no threat to people living near them. If this is true, then why do they locate the plants in sparsely populated regions. By not locatin...
【判断题】In industries where the final product is much less weighty or bulky than the materials from which it is made, firms tend to locate production near resource supplies.