Biology, 30.03.2020 20:26 krystalhurst97
One substance has no membrane transporters to move it but can diffuse freely through open leak channels if there is a concentration gradient. Initially, this substance's concentrations in the filtrate and extracellular fluid are equal. Later, however, the active transport of Na+ and other solutes creates a gradient by removing water from the lumen of the tubule where it is located. What substance is this?
Answers: 2
Biology, 21.06.2019 17:00
Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? a. amoebas b. water molds c. ciliates d. slime molds
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Biology, 22.06.2019 00:20
1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.
Answers: 1
Biology, 22.06.2019 03:00
What is the approximate time of death of the body temperature is 29.4 degrees celsius
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Biology, 22.06.2019 18:00
Which three statements represent the benefits of performing experiments using computer simulations?
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One substance has no membrane transporters to move it but can diffuse freely through open leak chann...
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