Question

*Determine whether the following statement is true or false
and then explain why in one or two sentences.*

The membrane potential results from charges moving across the membrane that has a very small effect on the concentrations of the ions, and as a result there is only a very minor difference in the number of negative and positive ions on each side of the membrane. Determine whether the following statements are true or false and then explain why in one or two sentences.

Answer #1

The statement is not entirely correct.

Generally inside the cell there are K+ ions and other negatively charged biomolecules like proteins in high concentration. On the outer side of the cell there are Na+and Cl- ions in high concentration. The membrane potential generates as there are potassium leak channels in the membrane through which K+ ion constantly moves outwards as there is a low concentration of K+ ions outside of the cell. Due to this migration there are uncompensated negative charges left inside the cell and this generates membrane potential as there is difference in charge between the both sides of the membrane.

Determine whether the following
statement is true or false and then explain why in one or two
sentences.
The summative current that crosses the entire cell membrane
provides information about the degree to which the individual
channels are open at that moment.

Determine whether the following
statement is true or false and then explain why in one or two
sentences
All 2nd- messengers are H2O-soluble and
can diffuse freely through the solution of the cytosol.

Determine whether the following statements are true or
false. If the statement is false, then explain why the statement is
false or rewrite the statement so that it is true.
If a scatterplot shows a linear association
between two numerical variables, then a correlation coefficient
that is close to 1 indicates a strong positive trend and a
correlation coefficient that is close to 0 indicates a strong
negative trend.

Determine whether the following statements are true or false and
in either case briefly explain why.
Answers must be three sentences or less. Answers longer than
three sentences will receive an automatic zero.
(b) Assume that a risk-free asset as well as two risky
securities exist in the economy. If the risky securities are
perfectly positively correlated with each other, diversifying among
the two will not make a greedy risk-averse investor better off.
Hint: it may be worth drawing a...

For each of the following statements, identify whether the
statement is true or false, and explain why. Please limit each
response to no more than 3 sentences.
i) A p-value is the probability that the null hypothesis is
false. ii) A chi-square test statistic can never be negative.
iii) If we reject the null hypothesis that a population
proportion is equal to a specific value, then that specific value
will not be contained in the associated confidence interval.
iv) If...

21) Determine whether each statement is true or false. If the
statement is false, explain why.
explain why.
explain why.
explain why.
a) When the mean is computed for individual data, all values in
the data set are used. b) A single, extremely large value can
affect the median more than the mean. c) One-half of all the data
values will fall above the mode, and one-half will fall below the
mode. d) The range and midrange are both measures...

Determine if the following statements are true or false. If it
is true, explain why. If it is false, provide an example.
a.) If a and b are positive numbers, then (a+b)^x=a^x+b^x
b.) If x < y, then e^x < e^y
c.) If 0 < b <1 and x < y then b^x > b^y
d.) if e^(kx) > 1, then k > 0 and x >0

write true or false. if it is false explain why.
___ the difference in electrical potential between two points
on the same electrical equipotential line is zero.
____ Electric equipotential lines start at a positive charge
and end at a negative one.

Determine if the following statement is true or false. If you
believe that the statement is false, briefly explain why you think
it is false.
Small p-values of the chi-squared test of independence
indicate that the data have small amounts of dependence.
(a) The statement is true
(b) The statement is false because when the p-value of the
chi-squared test of independence is small, the results indicate
that the two variables are more dependent.
(c) The statement is false because...

2) Determine whether the following statements are true
or false regarding the actions at the hip and knees as an
individual begins to elevate himself from a squatting to a standing
position. Justify your answer.
a) The iliopsoas muscle is moving from a “more elongated” to a
“more shortened” position. True or False? Why?
b) The gluteus maximus is concentrically active. True or False?
Why?
c) The hamstrings are likely inactive throughout this portion of
the movement. True or False?...

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