The power generated by photovoltaic cells in an array ________________.
A. is alternating current and can be directly used by the power company
B. is direct current power
C. can be increased by having the array track the movement of the sun
D. both B and C
Question 2
To make sites more sustainable by collecting rainwater ___________________ __.
A. water from downspouts and parking lot runoff can be directed to underground storage for later purification and irrigation uses
B. permeable and porous pavers can be used to allow water to pass through them to recharge ground water.
C. porous asphalt can lessen the amount of water flowing into storm sewers
D. all of the above
Turgid, plasmolyzed, and flaccid plant cells.
Brain cells of a laboratory mouse are shown glowing with multicolor fluorescent proteins
T cells bound to fluorescence-tagged antibodies to two cell-surface proteins are
The benefits of wind power
A current-carrying wire is placed in a uniform magnetic field, as shown below.
In a typical proteomic analysis, cells are exposed to different conditions