<span>It is through whistles that dolphins interact with the pod. Each dolphin has a distinct whistle that identifies it with other dolphins of its pod. If an individual is in danger, it uses a particular noise that indicates aid is needed, so the pod responds quickly.
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Small dolphin species gather into multi-member pods as a way to compensate for their size when facing predators.</span>
B Water
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Recombination occurs when two molecules of DNA exchange pieces of their genetic material with each other.
The correct answer is B. Two oppositely-charged ions
Explanation:
In chemistry, ionic bonds only occur between ions oppositely charged, this means one of the ions has to be positively charged and the other has to be negatively charged. This is because there is a natural attraction between particles with different charges and this leads to the formation of chemical bonds. Also, this bond implies the transfer of electrons between ions. In this context, this type of bond can only occur with oppositely-charged ions. Moreover, particles with the same charges either negative, positive, or neutral do not experience attraction and cannot form ionic bonds.
Answer:
hydrogen bonds
RNA polymerase generates a transcription bubble, which separates the two strands of the DNA helix. This is done by breaking the hydrogen bonds between complementary DNA nucleotides. RNA polymerase adds RNA nucleotides (which are complementary to the nucleotides of one DNA strand).
Explanation:
hydrogen bonds
RNA polymerase generates a transcription bubble, which separates the two strands of the DNA helix. This is done by breaking the hydrogen bonds between complementary DNA nucleotides. RNA polymerase adds RNA nucleotides (which are complementary to the nucleotides of one DNA strand).
