Biology, 05.07.2019 16:00 mildred3645
Review the hypothesis. if the amount of water people drink every day affects the concentration of certain hormones in their blood, then increasing the amount of water consumed daily will decrease the number of facial blemishes they suffer each month. which of the following experimental questions does the hypothesis answer? 1. how does the amount of facial blemishes individuals receive each month affect the amount of water they consume? 2. how does blood composition affect the number of facial blemishes that individuals receive every month? 3.how does the volume of blood donated each month affect the number of facial blemishes individuals receive? 4.how does the volume of water consumed affect the number of facial blemishes that individuals receive every month?
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Biology, 21.06.2019 13:30
Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward
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Biology, 22.06.2019 13:20
Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
Answers: 1
Biology, 22.06.2019 15:40
Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation
Answers: 1
Review the hypothesis. if the amount of water people drink every day affects the concentration of c...
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