What type of energy powers the cell growht

2 answers:

5 0

The role of adenosine triphosphate (ATP)
The energy required for cellular activities is provided directly by molecules of adenosine triphosphate (ATP). ATP is made of one adenosine molecule and three phosphate groups, called Pi for short. Each molecule of ATP stores a small quantity of chemical energy.

77julia77 [94]1 year ago

3 0

Complex organic food molecules such as sugars, fats, and proteins are rich sources of energy for cells because much of the energy used to form these molecules is literally stored within the chemical bonds that hold them together. Scientists can measure the amount of energy stored in foods using a device called a bomb calorimeter. With this technique, food is placed inside the calorimeter and heated until it burns. The excess heat released by the reaction is directly proportional to the amount of energy contained in the food.

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2 years ago

Newsweek in 1989 reported that 60% of young children have blood lead levels that could impair their neurological development. As

Kamila [148]

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The answer is 83.38%.

Explanation:

The probability of young children having blood levels that impair their neurological development is given as 60% in the question. To find the probability of at least 5 children out of 10 in a sample having said blood levels, we need to use the binomial probability.

n represents the total number of children in the sample so n = 10 and p is the probability of the children having blood levels causing the problem which is 60% so p = 0.6.

We want the probability of it being observed for 5 or more children and that is $P(x\geq 5)$ . If we subtract the $P( x\leq 4)$ from 1, which is the probability of not observing the condition in 5 or more children, we will have the $P(x\geq 5)$ .

$1 - P(x\leq 4) = 1 - pbinom(4, 10, 0.6)$ which are the probability range in the function, the sample size and the probability of observing the condition respectively.

The result is 1 - 0.1662 = 0.8338 which means that the probability that is asked is 83.38%.

I hope this answer helps.

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