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lys-0071 [83]
4 years ago
8

What happens to pepsin when it leaves its

Biology
1 answer:
den301095 [7]4 years ago
5 0

Answer: It becomes inactivated

Explanation:

Since enzymes are proteinous in nature, they perform best at a particular physiological temperature, pH and location.

So, once pepsin gets transferred to duodenum (where trypsin) is located, it becomes inactivated because it functions best in the acidic medium of gastric gland, whereas pancreas has an alkaline medium.

Thus, alkaline pH of the duodenum will coagulate and inactivate pepsin.

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What is the sample variance of the following data, which describe the height growth of 10 foxtal pine trees grown in a common ga
maksim [4K]

Answer:

Although the data in the question is not clearly stated, the correct date is stated in the image attached to this answer and it is also stated below

What is the sample variance of the following data, which describe the height growth of 10 foxtail pine trees grown in a common garden ( give your  answer to one decimal place)?

Tree            Height(cm)

1                  25.6987

2                 19.6587

3                 11.4780

4                 9.11130

5                 16.8747

6                 14.7771

7                 33.0001

8                 24.0000

9                 19.4441

10                14.1010

answer 51.9

Explanation:

what is a sample variance?

A sample variance (denoted as S^{2}) is used to calculate how far a set of numbers are from the mean value of the set. Mathematically, it is defined as the average of the squared deviations from its mean value.

Let the individual value of the trees be represented as x₁ to x₁₀

Let the total number of Foxtail pine trees be N

To calculate the standard deviation, we will first calculate the mean or average of the height of the trees

1. Mean (μ) = \frac{x_{1}+x_{2}+x_{3}+x_{4}+x_{5}+x_{6}+x_{7}+x_{8}+x_{9}+x_{10}  }{N}

                  = \frac{25.6987+19.6587+11.4780+9.11130+16.8747+14.7771+33.0001+24.0000+19.4441+14.1010}{10}  = \frac{188.1437}{10} = 18.8144

2. we need to calculate the sum of the squares of the individual deviations.

∑[x-μ]²= (25.6987-18.8144)^{2}+(19.6587-18.8144)^{2}+(11.4780-18.8144)^{2}+(9.11130-18.8144)^{2}+(16.8747-18.8144)^{2}+(14.7771-18.8144)^{2}+(33.0001-18.8144)^{2}+(24.0000-18.8144)^{2}+(19.4441-18.8144)^{2}+(14.1010-18.8144)^{2}=466.8786

3. Now the variance is ; (∑[x-μ]²) ÷ (N-1) and since N=10, then N-1 = 10-1 = 9

= \frac{466.8786}{9} = 51.8754.

we were asked the give our answer to one decimal place

∴ Variance(S^{2})= 51.9

   

3 0
3 years ago
Diffusion and osmosis are forms of passive transport <br> A. True<br> B. False
Nesterboy [21]

Answer:

A: True

Explanation:

both of these are examples of passive transport :)

5 0
3 years ago
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Which of the following summarizes photosynthesis?
HACTEHA [7]

Answer:

In photosynthesis, energy from light is used to convert carbon dioxide and water into glucose and oxygen.

Explanation:

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How will the movement of substances be altered in the phloem during spring season? Why?
KengaRu [80]

Answer:

The phloem is responsible for transporting food from leaves to other parts of the plant.

The transport of pholem is bidirectional and changes the movement of particles according to the season. Generally, the transportation occurs in the direction of the source to sink but in spring season the direction is opposite that is from sink to source because the source and sink are n opposite sides. So in spring season, the stem tubers are sources and the growing leaves are sinks.

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How large should established protected areas be?
Novay_Z [31]

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Delegates at the 1992 Fourth World Congress on National Parks and Protected Areas, a decennial international conference that serves as a global forum for setting the agenda for protected areas worldwide, recommended that “protected areas cover at least 10 percent of each biome by the year 2000.”

8 0
3 years ago
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