Which of the following is true of the receptors for steroid hormones?
A) They are hydrophilic.
B) They are proteins.
C) both a and b
D) neither a nor b
C
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Farmers are the dominant players in the global food system
Indicate whether this statement is true or false
How long is this esker, in miles? (Use a string placed along the esker, then pull it straight and compare it to the scale.)
A sinuously curving, narrow ridge of coarse sand and gravel is called an esker. Eskers form along the channel of a meltwater stream that flows beneath a glacier, in an ice tunnel, or between ice walls beneath the glacier. As a glacier retreats, the steep-sided esker is left behind in a pattern roughly parallel to the path of the glacier.
List two pollutants that are monitored to calculate the Air Quality Index (AQI)
What will be an ideal response?
The movement of the water through plants involves
A) root uptake, transpiration, and stomata in the leaves. B) transpiration and stomata in the roots. C) infiltration and high soil fertility. D) infiltration and photosynthesis in the leaves.