Which nutrient is responsible for causing the most accidental deaths in children?

Biology

1 answer:

Stels [109]3 years ago

6 0

The nutrient that is responsible for causing most accidental deaths in children is iron.

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Species a diverged from species b 60,000 years ago. On a particular gene, they have 15 nucleotide differences. How many nucleoti

a_sh-v [17]

The given question says that b species diverged around 60,000 year ago from species a. Since the divergence, they have a nucleotide difference of 15 nucleotide.

We need to find out the nucleotide difference in another 240,000 year, which means a total of 300,000 year since divergence.

The nucleotide difference in 60,000 years = 15 nucleotide.

The nucleotide difference in 1 year = $\frac{15}{60,000}$ nucleotide.

The nucleotide difference in 300,000 years = $\frac{15}{60,000}\times 300,000$ nucleotide.

The nucleotide difference in 300,000 years = 75 nucleotide.

Hence, after another 240,000 years or 300,000 years since divergence, the species and species b would show a difference of 75 nucleotide.

In another 240,000 years, there would be 60 nucleotide difference, as 15 of the nucleotide are already different in initial 60,000 years from the total of 75 nucleotide difference in 300,000 years. So, 60 (75-15) nucleotide difference would be observed in next 240,000 years.

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3 years ago

The letter A indicates: _____. 1. Globules containing eight subunits each. 2. A filamentary structure forms two turns around eac

alex41 [277]

<h2>a DNA double helix</h2>

Explanation:

Deoxyribonucleic acid is made up of two chains. A double helical structure is formed when two chains coil around each other.This double helical structure carry genetic information for the growth, reproduction, development and functioning of an organism.

The nucleic acid such as DNA and RNA are one of the major types of macromolecules which are necessary for all life forms.

The nucleotide is made up of one of four nitrogen containing nucleobases such as Adenine, Guanine, Cytosine and Thymine, Deoxyribose sugar and a Phosphate group.

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3 years ago

It is important to conduct multiple trials because _____.

Angelina_Jolie [31]

B. it makes your results more convincing

Explanation:

It is important to conduct multiple trials in an experiment because it makes results more convincing.

Multiple trials removes and spreads error from one or more steps in experiment.

The ability to reproduce result in an experiment is known as precision.
Precision is very important in experiments.
When a scientist carries out multiple trails in an experiment, it helps to remove any likely error that might have been carried into the experiment.
Multiple trials are key to efficiency of experiments.
From the results we can confidently state findings based on statistically backed data obtained.

learn more:

Experiment brainly.com/question/5096428

#learnwithBrainly

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3 years ago

Which of the following statements about cycles of matter is true? a. Matter is lost in each cycle. b. Human activity has little

Rama09 [41]

A .) matter is lost in each cycle

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2 years ago

"as an adult, your brain has fewer synapses than it had when you were 2 years old"

Liula [17]