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Anit [1.1K]
4 years ago
11

What is polarity? what traits make water polar?

Biology
1 answer:
zhenek [66]4 years ago
4 0
What makes molecules polar: an uneven distribution of electrons between the oxygen and hydrogen atoms.

- So, a water molecule is polar because there is an uneven distribution of electrons between the oxygen and hydrogen atoms.

- Water has a neutral charge.

- Because of their partial positive and negative charges, polar molecules, such as water, attract each other like magnets.

- The attraction between a hydrogen atom with a partial negative charge and another atom with a partial positive charge is called a hydrogen bond.

- Because water is a polar molecule, it is able to form multiple hydrogen bonds, which is why water has many special properties (hydrogen bonds are the strongest bonds that can form between molecules).

Hope this helps!
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Which vessel delivers nutrient-rich blood to the liver from the digestive tract?
Brilliant_brown [7]

Answer:

Hepatic portal vein

Explanation:

Hepatic portal vein is a blood vessel that transports blood from the gastrointestinal tract (digestive tract) and spleen to the liver. This blood vessel delivers deoxygenated blood to the liver from the small intestine. This blood transported from the digestive tract to the livers contains toxins and nutrients which have been extracted from food that have been digested.

The hepatic portal vein is about 8 cm in length in average adult and located close to the abdomen at the right upper quadrant.

6 0
3 years ago
A doctor is studying a disease where the nucleus of a cell does not grow properly. What do you think would happen to the cells'
Drupady [299]

Answer:

The cell would fail to function. It would likely fail to properly replicate DNA properly or transcribe genes.

Explanation:

The nucleus holds the genetic information, the DNA. If the nucleus does not grow properly, the DNA might not fit or be properly organized inside. This would mean DNA replication could not proceed as normal, and the DNA might not even be able to fit inside the nucleus!

The cell would also struggle to properly transcribe the DNA if the nucleus is not fully formed. DNA acts as a template for mRNA transcription, which directs protein synthesis. The cell will very quickly die if there are inaccuracies in protein synthesis due to mRNA not being adequately synthesized.

5 0
3 years ago
Which way does the coriolis effect deflect wind in the northern hemisphere
NikAS [45]

Answer:

Towards the right

Explanation:

The Coriolis force is usually defined as the force that acts on the global wind and ocean currents and allows them to move in a clockwise and anticlockwise manner, in the northern and southern hemispheres respectively. This force occurs due to the rotation of the earth.

The strength of this Coriolis force gradually increases with the increasing latitudes and also increases with the gradually decreasing speed of the earth's rotation. So, the value of this force is observed to be highest at the poles and is absent at the equator.  

Thus, in the northern hemisphere, the Coriolis force deflects the wind to the right side.

7 0
3 years ago
Following which event has evolution happened?
tigry1 [53]
I believe the answer is A. because once the allele changes the future populations will change along with it... hope i helped !
7 0
3 years ago
Some cancers detach ribosomes from the endoplasmic reticulum; asses the impact of this on protein synthesis
Katen [24]
During the process of protein synthesis, protein molecules are synthesized in the rough endoplasmic reticulum by the ribosomes. When enough proteins have been synthesized, they are pinch off in vesicles. Thus, if ribosomes are detached from endoplasmic reticulum, the process of protein synthesis will be interrupted and protein will not be synthesize in the cells.
4 0
3 years ago
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