A deficiency in a plant micronutrient
A. is less serious than a deficiency in a macronutrient.
B. makes that plant susceptible to herbivores.
C. can have a severe effect on plant growth.
D. results in no visible symptoms.
E. has no impact on the agriculture of a region.
C. can have a severe effect on plant growth.
A deficiency in a micronutrient can have severe effects on plant growth.
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The spores of streptomycetes are
A. motile by means of pseudopodia. B. motile by means of cilia. C. nonmotile. D. motile by means of flagella.
A small amount of DNA is collected from a crime scene. However, the amount of DNA collected is insufficient to perform the necessary experiments to link a suspect to the crime. Which method could be utilized to increase the amount of DNA?
A. polymerase chain reaction (PCR). B. DNA sequencing. C. fluorescent labeling of DNA. D. microarray analysis. E. gel electrophoresis.
Genetically altered organisms are ____
a. always genetically modified organisms b. always made using DNA technologies c. only used in basic research d. only used in applied research e. created through natural mutations or by using DNA technologies
The process of aerobic metabolism, carbon-containing molecules are broken down. What is the energy from the electrons used for?
a. to generate a hydrogen ion gradient b. to heat the organism in a cold environment c. to alter enzyme structure d. to directly supply the energy needs of an organism