Explain why is important for hydrogen bonds to be weak bonds instead of very strong bonds.

1 answer:

4 0

Hydrogen bonds are classified as weak because they are formed fast, but they also break easily under normal biological conditions.

Weak bonds can be easily broken, but this is extremely important because they are in bold in biological systems. For example, they help to decide and stabilize the shapes of water molecules.

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What is the most likely explanation for the results in the graph?

Delicious77 [7]

Answer:

B. The apple orchard releases toxic chemicals into the water of the bay.

Explanation:

Option B is the correct answer. It is the most likely explanation for the results in the graph.

From the graph, we can see that the population of the fishes sharply dropped. Since the fertilizer is applied to the apple orchard and the orchard was planted beside the bay, during the rain it is possible that the water has washed some of the fertilizers into the bay. The chemicals used in making fertilizer are harmful and toxic.

This reveals that the toxic chemicals released from the apple orchard are responsible for the decline in the population of the fish.

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wind energy gaining support as a possible energy source for people. what is the source of the energy that generated wind?

Ivahew [28]

<u>Answer</u>: The energy source that generates wind is actually the sun.

<u>Explanation</u>: The uneven heating of the Earth's surface by the sun gives rise to differences in atmospheric pressure. Areas such as deserts will warm the air masses above much more. As air is heated, it has a lower density as it expands and thus will form a point of low atmospheric pressure. The opposite situation applies for high pressure areas.The air movement from areas of high pressure to areas of lower pressure is what we call wind.

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3 years ago

A single-stranded DNA sequence is attached to a microarray chip, and fluorescently labeled complementary RNA (cRNA) fragments (p

Darya [45]

Answer:

Option A , Genome

Explanation:

Microarrays that contains array of single stranded DNA are used to study thousands of gene expression for all the genes of a genome and are usually termed as DNA miscroarrays. These microarrays being single stranded allows attachment of complementary DNA strand to bind to their surface. The mRNA from the cell is extracted and converted into cDNA which is further used for DNA cloning.

Hence, option A is correct

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3 years ago

Which phrase of mitosis does the pairs of chromatids line up across the center of the cell

IgorC [24]

It's metophase you are looking for :)

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3 years ago

A set of identical twins are together in an introductory biology class. The unit of study is DNA and its structure. The teacher

Hunter-Best [27]

In identical twins, alleles are identical and the order of the bases on the interior of the DNA molecule is identical (Options C and E). It is because genetic material is identical.

<h3>What are identical twins?</h3>

Identical twins refer to individuals produced by the same zygote cell, i.e., they are monozygotic twins.

Since these individuals are produced by the same zygote cell, their genetic material (DNA) will be identical.

Identical twins are useful to understand the exact role of genetics and environment in a given phenotypic trait.

Learn more about identical twins here:

brainly.com/question/17180337

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2 years ago