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Nookie1986 [14]
3 years ago
6

What Helps speed up cellular reactions

Biology
1 answer:
nikdorinn [45]3 years ago
3 0

Answer:

Enzymes speed up cellular reactions

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Witch can disrupt the cell cycle? <br> A mutation <br> B G0 phase <br> C Replication<br> D cancer
Ludmilka [50]

<em>A reason for disruption of the cell cycle is;</em>

A. Mutation

<u>A mutation in a protein that is meant to either slow or stop the cell cycle can cause a cell to lose control and possibly form cancer.</u>

7 0
3 years ago
What evidence did Wallace claim shows<br> that new species are modified forms of<br> old species?
Molodets [167]

Answer:

<u><em>Read Below</em></u>

Explanation:

Wallace is often referred to as the father of modern biogeography. 6. The finger bones inside manatee and whale flippers are evidence that these living species are modified forms of older species.

8 0
3 years ago
A scientist wants to begin making a DNA fingerprint, but she has only a very small DNA sample. What should her next step be
azamat

For obtaining an adequate amount of DNA samples for DNA fingerprinting, polymerase chain reaction (PCR) can be used.

Polymerase chain reaction (PCR) is a technique that is used to amplify the DNA sample. The steps included in PCR are:-

1. Denaturation of the double-stranded DNA (at around 95°C)

2. Annealing of the primers to each of the single-stranded DNA templates ( at around 65°C)

3. Extension or elongation of the primers by considering every single-stranded DNA as a template. This elongation is carried out by <em>Taq </em>polymerase (at around 72°C).

With each cycle of PCR, the DNA sample is increased by 2ⁿ. Here, 'n' represents the number of PCR cycles.

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Learn more about polymerase chain reaction here: -

brainly.com/question/11442887

3 0
1 year ago
Which one is not a lip
Feliz [49]
Where is the picture at
4 0
2 years ago
What would happen to an ecosystem if an invasive
MrRa [10]

Explanation:

the top predator is removed from the delicate balance of any particular ecosystem, there may be disastrous effects for the other plants and animals that inhabit the environment.

When a top predator is removed from an ecosystem, a series knock-on effects are felt throughout all the levels in a food web, as each level is regulated by the one above it. This is known as a trophic cascade. The results of these trophic cascades can lead to an ecosystem being completely transformed. The impacts trickle down through each level, upsetting the ecological balance by altering numbers of different animal species, until the effects are finally felt by the vegetation

When a top predator is no longer present, populations of their herbivorous prey begin to boom. Without a top predator to regulate their numbers, these animals put a great deal of pressure on the existing vegetation that they require for food and can destroy large amounts of plant life, such as grasses and trees. This then causes further problems, such as soil erosion and loss of animal habitat. Eventually, humans are also impacted due to the resulting lack of soil fertility and clean water that depend on these plants.

Another problem involving the loss of vegetation is the competition that is created between herbivorous species. Competition between species for the remaining plant life is high and weaker species lose out to stronger ones, leading to the potential loss of weaker animals, as well as plant species. Increased competition, therefore, leads to a lack of biodiversity. In contrast, top predators often have varied diets, which means they can pursue a new food source if one is running low, preventing the first source from being eradicated completely. This is one of the ways that top predators are able to maintain biodiversity and the balance of an ecosystem.

The presence of a top predator also helps to maintain balance in an ecosystem by influencing the behaviour and movements of its prey through the fear of being caught. Animals that are prey to a top predator will move around in order to avoid it. This prevents plants and animals in any particular area of an ecosystem from being over-consumed, preserving food sources and habitats. In the absence of top predators, this regulation disappears, allowing certain areas of vegetation to be destroyed completely.

6 0
3 years ago
Read 2 more answers
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