Low contrast specimens are made easier to see by
A) increasing the amount of light passing through the slide.
B) using dyes that react with their structures.
C) adding color filters to the microscope.
D) using smaller aperture lenses.
E) drying them in a vacuum.
B
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Of the energy released during cellular respiration, less than half is used to produce ATP. What is the fate of the rest of the released energy?
A. it becomes stored as fat B. it becomes heat
Marathon runners tend to have a high percentage of ____ in their leg muscles
a. slow, red fibers b. slow, white fibers c. fast, red fibers d. fast, white fibers e. both red and white fibers
Skin color in a certain species of fish is inherited via a single gene with four different alleles. How many different types of gametes would be possible in this system?
A) 2 B) 4 C) 8 D) 16
Which of these categories of classification contains organisms that are most closely related?
A. family B. class C. order D. genus