Biology, 17.09.2019 19:00 oliwia0765
Which of the following soil properties is not influenced by microorganism activity? a. soil acidity b. amount of organic matter c. nutrient levels d. none of the above
Answers: 2
Biology, 21.06.2019 17:20
The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.
Answers: 1
Biology, 22.06.2019 00:00
As a small change in a person's dna can cause a genetic disorder
Answers: 1
Biology, 22.06.2019 03:30
Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle
Answers: 1
Biology, 22.06.2019 06:50
The kidney filters potentially toxic substances in the blood, and thus βclearsβ the blood of those substances. this clearance function is dependent upon and proportional to the diffusion gradient of the substance across filtering capillaries, i.e. if the concentration of the substance is doubled, twice as much will be cleared from each ml of blood that is filtered. suppose that the body produces a constant amount of a substance x per unit of time. the kidneys eliminate substance x at a rate directly proportional to the concentration of the substance and the volume of blood cleared each minute (c): elimination = c Γ [x], where [x] is the steady-state concentration of substance x. imagine an individual with an initial concentration of x equal to [x]0 who develops kidney disease. her baseline clearance c0 drops to one half of the original (Β½c0). what is the new steady state concentration of x? (for simplicity, assume that substance x is 100% filtered by the kidney).
Answers: 1
Which of the following soil properties is not influenced by microorganism activity? a. soil acidity...
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