What does this mean Hydrogen Bonding

Answers

Answer 1

Answer:

A hydrogen bond is the electrostatic attraction between polar groups that occurs when a hydrogen (H) atom bound to a highly electronegative atom such as nitrogen (N), oxygen (O) or fluorine (F) experiences attraction to some other nearby highly electronegative atom.

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What can we learn about primates by studying dentition? a) Competition over mates b) Diet c) Evolutionary history d) None of the above.

Answers

Answer:

a) Competition over mates

b) Diet

c) Evolutionary history

With the following crosses of pea plants, give the flower color of offspring and the ratio expected (red is dominant). A cross of red x red (both homozygous) would result in

Answers

All of the offspring would be red. Set up a punnet square to find the odds and you get 4 out of 4 red offspring.

Which statement correctly describes the difference between meiosis I andmeiosis II?

A) Meiosis I brings together sister chromatids, and meiosis II separates them.
B) Meiosis I separates tetrads, and meiosis II separates sister chromatids.
C) Meiosis I separates sister chromatids, and meiosis II separates tetrads.

Answers

for what i know the answer is B

B) Meiosis I separates tetrads, and meiosis II separates sister chromatids.

Which therapeutic cloning application is most likely a benefit to society

Answers

Answer:

The correct answer is production of nerve tissue, which may help in treating paralyzed patients.

Explanation:

Cloning that is developed mainly as a therapy for a disorder is considered as the therapeutic cloning. In this form of cloning, the nucleus from the cell is withdrawn and is kept within a fertilized egg that does not possess a nucleus. It permits the self-cells of the individuals to be utilized in curing the condition, without imparting the threat of presenting foreign cells, which may get rejected.

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How does targeted cancer therapies differ from traditional chemotherapies

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Chemotherapy tends to kill all cells, including healthy ones, in order to eradicate malignant cancer. Targeted cancer therapies aim to solely eradicate the cancerous cells in the affected region.

Answer:

Chemotherapy drugs destroy cells that grow and divide rapidly. However, in addition to the cancer cells that replicate rapidly, they also kill normal, healthy body cells in the hair and skin causing significant side effects. Targeted therapies are an advancement in medicinal chemistry because they specifically target cancer cells, which will reduce damage to healthy cells. Also, some targeted therapies may be less toxic on the body overall, even though side effects still occur.

Explanation:

A vessel that carries blood back to the heart is a(n) A) artery B) capillary C) vein D) arteriole

Answers

Veins bring the blood from the body to the heart.