Each microscope has its advantages and disadvantages. Which microscope has allowed scientists to conduct systematic observations and provided them with the closest look into the structure of cells?
A) stereomicroscope
B) electron microscope
C) compound microscope
D) phase contrast microscope
Ans: B) electron microscope
Biology & Microbiology
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Which type of plant hormone causes chloroplasts to mature?
a. cytokinins b. salicylic acid c. abscisic acid d. ethylene e. gibberellins
Biology & Microbiology
Which of the following implies movement with regard for direction?
a. taxis only b. kinesis only
c. migration only d. taxis and migration only e. taxis, migration, and kinesis
Biology & Microbiology
Which of the following is almost always associated with being overweight and underactive?
A) type 1 diabetes B) type 2 diabetes C) type 3 diabetes D) hypoglycemia
Biology & Microbiology
What is the process that eventually leads to the death of a plant?
A. Senescence B. Outcrossing C. Abscission D. Perennial E. Dichogamy
Biology & Microbiology