As part of your research project, you travel to an island to learn more about the habitats and relationships of flies, spiders, and centipedes. You and your assistant plot out five different areas on the island and count the numbers of flies, spiders, and centipedes living in each plot. Your results show the following: Plot Flies Spiders Centipedes1300254242617103147152147397805791393The plots that were staked out on the island were part of the:
A. experimental design.
B. constructed model.
C. basic research.
D. applied research.
Answer: A
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A cell is minimally defined by ____
a. a nucleus that contains DNA b. an organized chemical system and specialized molecules surrounded by a membrane c. an organized chemical system for harnessing energy d. a membrane comprised of phospholipids e. specialized molecules that respond to their environment
Four of the five structures listed below are
associated with membranes. Select the exception. a. endoplasmic reticulum b. granum c. plasma membrane d. chromosome e. nuclear envelope
What is produced when wine is made?
A. ethyl alcohol and water B. water, hydrogen gas, and ethyl alcohol C. oxygen, ADP, and ethyl alcohol D. CO2, ATP, and ethyl alcohol E. lactate and ethyl alcohol
A single pass trans-membrane protein that is an alpha helix can make a channel.
a. true b. false