Why are newborn infants given a single injection of vitamin k?

1 answer:

6 0

Vitamin K clots the blood and stops excessive bleeding. There is a blood disorder called vitamin K deficiency bleeding (VKDB). It is thought that newborns do not get enough vitamin K from their mothers so this injection could prevent VKDB from developing.

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At the end of meiosis ll, each of the haploid sex cells had only half the number of chromosomes as the original diploid cell. Wh

tester [92]

Answer:

The cells at the end of meiosis II must have half the number of chromosomes because, if they didn't have, the reunion of both gametes with diploid number of chromosomes for example, in gametes would form twice the number chromosomes.

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2 years ago

Drag each label to the correct location. Each label can be used more than once. In a hydropower station, water stored in dams is

Nataly_w [17]

Answer:

Stored water - gravitational energy

Water fall - kinetic energy

Turbine - kinetic energy

Powerlines - electric energy

Explanation:

Dams are used to store or hold water for hydroelectric power plants. This stored water which has gravitational energy is a form of potential energy.

When the water is left to fall and run fast through the turbine, the gravitational energy is transformed into kinetic energy which makes the turbine to spin.

As the turbine spins, kinetic energy that is produced also powers the shaft of the engine in the electric generator, which produces electricuty.

Kinetic energy is transformed to electric energy and transmitted along powerlines.

*See attachment below for labelled energy that is being transformed at several points.

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3 years ago

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What are the components of animal cell

Phoenix [80]

The components of animal cells are centrioles, cilia and flagella, endoplasmic reticulum, golgi apparatus, lysosomes, microfilaments, microtubules, mitochondria, nucleus, peroxisomes, plasma membrane and ribosomes. Lol I hope this is what you were looking for!

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3 years ago

Ecologists have discovered that the seeds of many plants that grow in forests cannot germinate unless they have been exposed to

amm1812

Thank you for posting your question here at brainly.

Two types of treatments: type of seed and fire.
Type of seeds: 1. Known seed type that requires fire. 2. Known seed that is killed by far. 3. Experimental/unknown seed.
Fire treatments: 1. No fire. 2. Fire.

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3 years ago

A is the basic unit of structure and function of living things

Sophie [7]

Answer:

Cell

Explanation:

They are the 'building blocks' of life and make up organisms.

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