Water deep within underground aquifers is called ________.
Fill in the blank(s) with the appropriate word(s).
groundwater
Water deep within underground aquifers is called groundwater.
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Active transport occurs ________ the concentration gradient across a cell membrane.
A. against B. towards C. away from D. in between E. passively against
For each of the three basic macromolecules (proteins, polysaccharides, and nucleic acids), identify the monomer, its activated/carrier form, and one or two basic functions
What will be an ideal response?
What advantage does sound communication have over visual communication?
What will be an ideal response?
Sixty years of data from the Framingham Heart Study showed that people with low cholesterol had 50% more offspring, on average, than those with high cholesterol. Since it is known that cholesterol level is highly heritable, what can be concluded from this specific observation?
A. High cholesterol reduces an individual's fertility. B. The frequency of people with low cholesterol should increase in the U.S. population. C. Cholesterol level has a major effect on survival. D. Natural selection is largely nullified as an important evolutionary mechanism in modern human populations. E. Ethnic groups that traditionally have more children have a greater frequency of genes for low cholesterol.