Vigorous aerobic activity, from the _______________ of the Physical Activity Pyramid for Teens, is the most effective for building cardiorespiratory endurance.
A. first step
B. second step
C. third step
D. fourth step
Select your answer:
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Cell Membrane and Transport › ViewThe cell membrane is an important factor for the cell to maintain homeostasis. This is due to its specific function the cell membrane does. Describe the function of the cell membrane.
A. The main function of the cell membrane is to make proteins.
B. The main function of the cell membrane is to provide structure to the cell by using microtubules, actin filaments, and intermediate filaments.
C. The main function of the cell membrane is to store the DNA and protect it.
D. The main function of the cell membrane is to regulate the movement of substances in and out of the cell. Either through active transport or passive transport.
Bacteriology › View
identify this
A. acid fasting
B. gram negative
C. gram positive
D. gram positive cells