The integumentary system functions in

a. ion transport.
b. support.
c. covering.
d. contraction.
e. resistance.


C

Biology & Microbiology

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A hummingbird is "drinking" nectar containing sugar from a red columbine flower. Arrange the following events to occur in the hummingbird in order from the first to last: (1 ) Glucose sugar is converted to pyruvate. (2 ) Energy from high-energy electrons is released from an electron transport chain. This energy is used to make ATP. (3 ) The hummingbird exhales carbon dioxide and energy is stored

in electron carriers. (4 ) The hummingbird has the ability to beat its wings 40 - 80 times a second. a. 1, 4, 3, 2 b. 2, 1, 3, 4 c. 1, 2, 3, 4 d. 2, 3, 4, 1 e. 1, 3, 2, 4

Biology & Microbiology

Transcription factors appear to be important molecules relating to the regulation of gene activity. In eukaryotes, two general classes or transcription factors exist. Briefly describe each

What will be an ideal response?

Biology & Microbiology

Which of these categories of classification contains organisms that are most closely related?

A. family B. class C. order D. genus

Biology & Microbiology

During the Calvin cycle, plants:

A) fix CO2 into sugar. B) create ATP. C) convert solar energy to chemical energy. D) oxidize H2O to oxygen.

Biology & Microbiology