Medicine: Which of the following is not regulated by blood

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Which of the following is not regulated by blood, №18004291, 20.11.2022 07:31

Mathematics

Polychlorinated biphenyl (PCB) is among a group of organic pollutants found in a variety of products, such as coolants, insulating materials, and lubricants in electrical equipment. Disposal of items containing less than 50 parts per million (ppm) PCB is generally not regulated. A certain kind of small capacitor contains PCB with a mean of 48.3 ppm and a standard deviation of 8 ppm. The Environmental Protection Agency takes a random sample of 40 of these small capacitors, planning to regulate the disposal of such capacitors if the sample mean amount

Step-by-step answer

P Answered by Specialist

0.4364 = 43.64% probability that the disposal of such capacitors will be regulated.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Mean of 48.3 ppm and a standard deviation of 8 ppm.

This means that $\mu = 48.3, \sigma = 8$

Sample of 40:

This means that $n = 40, s = \frac{8}{\sqrt{40}}$

Find the probability that the disposal of such capacitors will be regulated.

Sample mean above 48.5, which is 1 subtracted by the p-value of Z when X = 48.5. So

$Z = \frac{X - \mu}{\sigma}$

By the Central Limit Theorem

$Z = \frac{X - \mu}{s}$

$Z = \frac{48.5 - 48.3}{\frac{8}{\sqrt{40}}}$

Z = 0.16

Z = 0.16 has a p-value of 0.5636.

1 - 0.5636 = 0.4364

0.4364 = 43.64% probability that the disposal of such capacitors will be regulated.

Geography

Jobs and markets in the informal sector are a. not regulated or taxed b. operated in accordance with tax procedures c. established with government oversight d. regulated closely by governments answer is a

Step-by-step answer

P Answered by Master

10

A. not regulated or taxed

Explanation:

is NOT c sorry friend

the answer is A like said in the question they put down

i did not see that until i submitted my answer and got it wrong and it showed me the correct answer which was indeed letter A

have a fabulous day my beautiful ones (:

Geography

Jobs and markets in the informal sector are a. not regulated or taxed b. operated in accordance with tax procedures c. established with government oversight d. regulated closely by governments answer is a

Step-by-step answer

P Answered by Specialist

10

A. not regulated or taxed

Explanation:

is NOT c sorry friend

the answer is A like said in the question they put down

i did not see that until i submitted my answer and got it wrong and it showed me the correct answer which was indeed letter A

have a fabulous day my beautiful ones (:

Social Studies

Under the 1980 low-level radioactive waste policy act, each state must take responsibility for its non-defense related, low-level nuclear waste. if nuclear waste was not regulated and disposed of properly, which of these could be a possible effect? a) the risk of cancer in humans would decrease. b) we would be able to grow more crops, and thus, end world hunger. c) waste disposal regulations would not affect anything environmentally. d) higher incidence of cancers in humans and the contamination of crops and livestock.

Step-by-step answer

P Answered by PhD

82

The correct answer is D) Higher incidence of cancers in humans and the contamination of crops and livestock.

If not regulated, radioactive material could easily cause cancer and contamination of crops. That's why other answers are incorrect.

English

Select all that apply. the fairness doctrine covers which of the following media types and why? newspapers; in order to make sure that no one viewpoint dominates. radio; because there are fewer broadcasting licenses available than people who wish to broadcast. thus, it is necessary that the fcc step in to make sure that the viewpoints of people other than those who own licenses are represented in the media. every media type (radio, television, and internet); to assure that no one viewpoint dominates. television and radio but not the internet; because

Step-by-step answer

P Answered by Specialist

15

The answer is Television and radio, but not print media like newspapers; because in theory, anyone can start his own newspaper and express his point of view whereas the number of people who can participate in radio and television is limited by broadcast frequencies.

The fairness doctrine is a law that required broadcasters to present issues of public matter and do it showing the contrasting arguments in the same channel or radio station as well, to make sure people were exposed to several points of view.

Biology

Glucokinase and hexokinase catalyze the first glycolysis reaction; glucokinase has a higher km. which is true? a. hexokinase is always functional and is not regulated by negative feedback b. they are not isozymes c. glucokinase is not a zymogen d. glucokinase becomes active from high levels of fructose

Step-by-step answer

P Answered by PhD

The correct answer is C glucokinase is not a zymogen

Explanation:

zymogens are secreted as inactive enzyme which undergo activation by autocatalysis which deals with the removal of short peptide fragment from that zymogen resulting in the formation of active enzyme.

Foe example chymotrypsin enzyme is secreted as zymogens but not glucokinase.

English

Select all that apply. the fairness doctrine covers which of the following media types and why? newspapers; in order to make sure that no one viewpoint dominates. radio; because there are fewer broadcasting licenses available than people who wish to broadcast. thus, it is necessary that the fcc step in to make sure that the viewpoints of people other than those who own licenses are represented in the media. every media type (radio, television, and internet); to assure that no one viewpoint dominates. television and radio but not the internet; because

Step-by-step answer

P Answered by Specialist

11

The Fairness doctrine, US communications policy from 1949 until 1987 articulated by the FCC (Federal Communications Commission) required that the radio and television broadcasters that have a license to go on air present impartial and balanced exposure of the debatable issues of interest to their publics, including equal airtime to differing points of view. With this explained, we can select C (Television and radio but not the Internet; because the Internet is not regulated by anyone) and D (Television and radio, but not print media like newspapers; because in theory, anyone can start his own newspaper and express his point of view whereas the number of people who can participate in radio and television is limited by broadcast frequencies.) as the right answers.

Social Studies

Under the 1980 low-level radioactive waste policy act, each state must take responsibility for its non-defense related, low-level nuclear waste. if nuclear waste was not regulated and disposed of properly, which of these could be a possible effect? a) the risk of cancer in humans would decrease. b) we would be able to grow more crops, and thus, end world hunger. c) waste disposal regulations would not affect anything environmentally. d) higher incidence of cancers in humans and the contamination of crops and livestock.

Step-by-step answer

P Answered by PhD

82

The correct answer is D) Higher incidence of cancers in humans and the contamination of crops and livestock.

If not regulated, radioactive material could easily cause cancer and contamination of crops. That's why other answers are incorrect.

Biology

You are interested in whether the protein you are studying for your dissertation, ZyxR, is capable of binding to and regulating expression of the ZyxABC operon. ZyxR is a 24kDa protein with a slightly negative overall charge and no known inherent tags. ZyxR is known to bind to the zyxY gene to regulate expression. yopA (100bp) is not regulated by ZyxR. The first step in this process is to determine whether ZyxR is capable of binding to the regulatory regions surrounding the zyxABC operon. Give one potential strategy that you could use to purify

Step-by-step answer

P Answered by Master

Explanation:

One potential methodology which could be utilized to cleanse ZxyR is Affinity chromatography. Affinity chromatography is utilized for the most part relevant methods for cleansing proteins. This strategy exploits the high harmony of numerous proteins for explicit synthetic gatherings. For instance, the plant protein concanavalin A can be filtered and purified by going a rough concentrate crude extract through a segment of beads encapsulating covalently joined glucose deposits.

You are interested in whether the protein you are studying for your dissertation, ZyxR, is capable o

Biology

Human activities, such as the burning of fossil fuels, result in air pollution. what could be an outcome if the amount of smoke released is not regulated? a) sunlight would not be able to reach earth. b) the temperature of the region would decrease. c) trees would begin to die, leading to habitat loss. d) the smoke would settle around cities, reducing visibility.

Step-by-step answer

P Answered by Master

7

D option

Explanation:

A is wrong bcoz the amount of smoke is not that much to prevent sun rays to enter.

B is wrong bcoz on burning fossil fuels, co2, ch4 etc increase result in increase the temperature

C is wrong bcoz on burning fuels Co2 release and the C3 plants absorb more Co2 and do more photosynthesis.

This means their activity increase

4. The smoke mix with water vapours make fog..reducing visiblity.

Which of the following is not regulated by blood

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Which of the following is not regulated by blood￼

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Which of the following is not regulated by blood