Light behaves as a stream of discrete particles called ________, each carrying a ________ (indivisible packet) of energy

Fill in the blank with correct word.


Answer: photons; quantum

Biology & Microbiology

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Your friend does not believe that a platypus can be a mammal because it lays eggs like a bird or reptile. What evidence do you use to defend your position that a platypus is a mammal?

1.It is endothermic. 2.It has a cloaca. 3.It has mammary glands for milk production. 4.It does not have teeth.

Biology & Microbiology

When comparing dry heat and moist heat sterilization, dry heat is ________.

A. faster B. slower C. sometimes faster but sometimes slower D. equally as fast

Biology & Microbiology

Refer to the accompanying figure. Place figures 1-4 in the correct order to represent the two-cycle breathing process of birds


a. 1 ? 2 ? 3 ? 4
b. 2 ? 3 ? 4 ? 1
c. 2 ? 3 ? 1 ? 4
d. 3 ? 2 ? 1 ? 4
e. 4 ? 3 ? 2 ? 1

Biology & Microbiology

Which of the following technologies can compare the expression of thousands of genes at once?

A.) DNA fingerprinting B.) gel electrophoresis C.) gene sequencing D.) DNA microarrays

Biology & Microbiology