Biology, 23.03.2020 19:25 smelcher3900
Imagine a scenario in which a negatively charged ion, Ion A-, is more concentrated on the outside of the cell membrane, yet is at electrochemical equilibrium (i. e., there is no net ion flux across the membrane, even though the membrane is permeable to Ion A-). Which of the following must be true in order for this scenario to be true?
a. The inside of the cell must be negatively charged relative to the outside of the cell (a negative Vm).
b. The inside of the cell must be positively charged relative to the outside of the cell (a positive Vm).
c. Ion A- must be only slightly negatively charged. Ion A- must be extremely negatively charged.
d. This scenario is impossible.
Answers: 3
Biology, 22.06.2019 21:20
What will a hypothesis become if supported by repeated expermentation
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Biology, 22.06.2019 23:00
In the california poppy, an allele for yellow flowers (c) is dominant over an allele forwhite flowers (c). at an independently assorting locus, an allele for entire petals (f) isdominant over an allele for fringed petals (f ). a plant that is homozygous for yellow andentire petals is crossed with a plant that is white and fringed. a resulting f1 plant is thencrossed with a plant that is white and fringed, and the following progeny are produced: 54 yellow and entire; 58 yellow and fringed, 53 white and entire, and 10 white andfringed. using the chi-square test, what would the probability value (p-value) be?
Answers: 2
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