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3 years ago

Why is it important that the cellâs dna is duplicated before cell division?

Biology

1 answer:

Vadim26 [7]3 years ago

8 0

Answer:

Explanation:

It is important that a cell undergoes replication before cell division occurs because, the main goal of cell division is to make more cells. And for all these cells to remain functional, all their components must be intact and complete. without this, these cells might not function. Thus, the goal of replication is to produce the next new copy that would go into one of the daughter cells produced. With DNA replication, the set of DNA present in a cell can be duplicated and then each daughter cell that results from division can have its own entire set of DNA and then cell division can theoretically continue as normal indefinitely.

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Which organism is a herbivore? A. spider B. bacterium C. grass D. grasshopper

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What are some negative impacts of having this life cycle that might have contributed to a decline in the dragonfly population?

KonstantinChe [14]

Answer:

Dragonflies are important for our environment.

Explanation:

Dragon flies belongs to the ancient family of insects. They are found on every parts of the world and have been from around 300 millions years ago. There are more than 5000 different species of them found in different parts of the world. Conserving dragonflies is important as they considered as a valuable environmental indicators.

Dragon flies are found in the areas where water is available and near grasslands. Their life cycle is an example of an incomplete metamorphosis. The dragon flies lays their eggs near the water or in the water. Dragon flies spends most of the life time as a nymph in the water where they turn into an adult and leave the water. The dragon flies rely on the aquatic ecosystems all through their life. Thus dragonflies are an important indicators of the environment and water quality.

Most of the life cycle of the dragon flies depend on the availability of water and its quality. Polluting water and destroying their habitat will result in the decline of the population of the dragon flies.

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3 years ago

Corn planted in a field that has been previously planted with legumes and then plowed under is likely to be

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more productive because bacteria living on the roots of legumes fix nitrogen in the soil

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4 years ago

What is complementary base pairing? Why is it necessary?

vodomira [7]

Answer:

Complementary base pairing is important in DNA as it allows the base pairs to be arranged in the most energetically favourable way

It is essential in forming the helical structure of DNA. It is also important in replication as it allows semiconservative replication

A complementary base is either of the two nitrogen-containing sections of a nucleotide that bond together to connect strands of DNA or RNA

DNA and RNA are complex molecules that are central to genetics and both are made of things called nucleotides.

Explanation:

Hope this helps:)

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3 years ago

In your own words, what is a trophic cascade?

Alenkasestr [34]

Answer:

A trophic cascade is a side-effect when a trophic level (species) of the ecosystem is reduced or removed. Their ecological species interactions keep entire ecosystems balanced. Hence, suppressing their numbers or changing their behavior due to predation risk, results in an ecological imbalance or a trophic cascade.

Explanation:

<h2>BRAINLIEST PLEASE ;)</h2>

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