Is this telophase of an animal or plant cell? How do you know?
1.Animal—there is a cell plate.
2.Plant—there is a cleavage furrow.
3.Animal—there is a cleavage furrow.
4.Plant—there is a cell plate.
4
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Spore germination followed by cell divisions results in the production of
(a) a sporophyte. (b) an antheridium. (c) a zygote. (d) a gametophyte.
Answer the following statements true (T) or false (F)
1. Friedrich Wöhler refuted the scientific concept of vitalism during the early 1800s by proving that organic molecules could be synthesized outside a living organism. 2. Since carbon and hydrogen share similar electronegativities they will form nonpolar molecules when combined. 3. Macromolecules such as lipids and carbohydrates are produced from simple subunits through condensation reactions. 4. The sole function of carbohydrates is to serve as energy stores.
Which of the following is a eutherian mammal?
a. human being b. koala bear c. platypus d. Tasmanian devil
Examine Figure 18.5. Which of the following species would you characterize as restricted to the ecotone between serpentine and nonserpentine soils in southwestern Oregon?
A) black oak B) hawkweed C) ragwort D) fireweed