Biology, 11.04.2020 03:24, lelliott86
A biology student hiking in a forest happens upon an erect, 15-cm-tall plant that bears microphylls and a strobilus at its tallest point. When disturbed, the cone emits a dense cloud of brownish dust. A pocket magnifying glass reveals the dust to be composed of tiny spheres with a high oil content.
Besides oil, what other chemical should be detected in substantial amounts upon chemical analysis of these small spheres?
A) sporopollenins
B) phenolics
C) waxes
D) lignins
Answers: 3
Biology, 22.06.2019 03:30, maloynegen7681
Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what
Answers: 3
Biology, 22.06.2019 20:00, oktacos
Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b. hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.
Answers: 1
A biology student hiking in a forest happens upon an erect, 15-cm-tall plant that bears microphylls...
History, 06.05.2020 02:16
Spanish, 06.05.2020 02:16
Chemistry, 06.05.2020 02:16
English, 06.05.2020 02:16