A scientist is doing research to understand how volatile hydrocarbons affect phytoplankton (algae) growth during oil spills. In the lab, he adds a constant amount of oil and different levels of a volatile hydrocarbon (0- 50 μg/ml) to phytoplankton in salt water with nutrients, trace minerals and sodium carbonate buffer. The scientists uses a spectrometer to detect the level of algae in the tube. In this way he can see growth of algae. Independent factor: volatile hydrocarbons Dependent factor: Algae as detected by absorbance in a spectrometer What belongs in the control? Select one or more: Sodium carbonate buffer Volatile hydrocarbons Water Algae Salt Oil Trace minerals Nutrients.
A scientist is doing research to understand how volatile hydrocarbons affect phytoplankton (algae) growth during oil spills. In the lab, he adds a constant amount of oil and different levels of a volatile hydrocarbon (0- 50 μg/ml) to phytoplankton in salt water with nutrients, trace minerals and sodium carbonate buffer. The scientists uses a spectrometer to detect the level of algae in the tube. In this way he can see growth of algae. Independent factor: volatile hydrocarbons Dependent factor: Algae as detected by absorbance in a spectrometer What belongs in the control? Select one or more: Sodium carbonate buffer Volatile hydrocarbons Water Algae Salt Oil Trace minerals Nutrients.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A scientist is doing research to understand how volatile hydrocarbons affect phytoplankton (algae) growth during oil spills. In the lab, he adds a constant amount of oil and different levels of a volatile hydrocarbon (0- 50 μg/ml) to phytoplankton in salt water with nutrients, trace minerals and sodium carbonate buffer. The scientists uses a spectrometer to detect the level of algae in the tube. In this way he can see growth of algae.
- Independent factor: volatile hydrocarbons
- Dependent factor: Algae as detected by absorbance in a spectrometer
What belongs in the control?
Select one or more:
Sodium carbonate buffer
Volatile hydrocarbons
Water
Algae
Salt
Oil
Trace minerals
Nutrients.
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