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3 years ago

Scientist communicate the details of experiments so that

1 answer:

4 0

So that other people can replicate the experiment.
if someone does an experiment and finds something interesting, they might publish the details of the experiment, so that other scientists may replicate it and verify that the experiment is real.

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How can the environment affect future generations?

kondor19780726 [428]

Answer:

Climate change is already harming people’s health by increasing the number of extreme weather events and exacerbating air pollution, according to the study published in The Lancet medical journal. And if nothing is done to mitigate it, its impacts could burden an entire generation with disease and illness throughout their lives.

Explanation:

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3 years ago

A biologist wants to use a radioactive isotope of nitrogen to radiolabel certain molecules in a culture of cells she is growing.

RideAnS [48]

Answer:

D) proteins

Explanation:

The N-15 is one of the isotopes used in proteomics, in which the full set of proteins expressed by a genome are studied. The method is called Stable Isotope Labeling by/with Amino acids in Cell culture (SILAC) in which the labeled amino acids are used to estimate the protein levels. With this method, the diseases biomarkers can be identified and studied.

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3 years ago

Choose the stage that best matches the description given.

Umnica [9.8K]

Answer:

1-3 Days

Explanation:

3 0

3 years ago

Bill recorded his food intake for a week and then used a computerized dietary analysis program to analyze his diet record. Accor

Oksana_A [137]

Answer:25 percent

Explanation:

The recommended Acceptable Macronutrient Ranges expressed as percentage of Calories for Adults are:

Fat: 20-35%

Carbohydrate: 45-65%

Protein: 10-35%

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3 years ago

The gestation time for humans has a mean of 266 days and a standard deviation of 25 days. If 200 women are randomly selected, fi

Yuki888 [10]

Answer:

The probability that 200 women have a mean pregnancy between 266 days and 268 days is 0.371.

Explanation:

Let X = gestation time for humans.

The mean of the random variable X is: E (X) = μ = 266 days.

The standard deviation of the random variable X is: SD (X) = σ = 25 days.

**Assume that the gestation time for humans follows a Normal distribution.

The z-score for the sample mean is: $z=\frac{\bar x-\mu}{\sigma/ \sqrt{n}}$ .

The sample of women selected is: n = 200.

Compute the probability that 200 women have a mean pregnancy between 266 days and 268 days as follows:

$P(266\leq \bar X\leq \leq 268)=P(\frac{266-266}{25/ \sqrt{200}}\leq \frac{\bar X-\mu}{\sigma/ \sqrt{n}}\leq \frac{268-266}{25/ \sqrt{200}})\\=P(0\leq Z\leq 1.13)\\=P(Z$

**Use the z-table for the probability.

Thus, the probability that 200 women have a mean pregnancy between 266 days and 268 days is 0.371.

8 0

3 years ago