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3 years ago

Someone please help?

Biology

1 answer:

Pavlova-9 [17]3 years ago

3 0

Answer: see explanation

Explanation:

(1). Substainibility actually means finite, renewable etc.

Sustainable resources are natural resources that are renewable and can be harnessed for important things for mankind without short of supply

(2). Water is too cheap, compared to its real value, and is rarely taken into consideration when decisions are made regarding resources. In general, decisions that determine how most of water is utilized are taken by a limited number of people.

(c). Reducing the development of thermal power stations: power station produces 80% of our electricity and consume a lot of water. We can do this by rewarding farmers that uses irrigation farming efficiently.

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When scientists are doing research to determine how the environment affects a life form, it often takes many years to reach a co

ki77a [65]

When using the term 'life form' I assume you are speaking of animals, bacteria, etc. Scientists take years to find their desired conclusion because of how the environment tends to change quite frequently (Depending on where the creature lives). The earth is constantly revolving and rotating, which causes changes in the environment. These changes affect the animals behavior, eating habits, and overall chances of survival. A factor that must also be considered is that scientists have to examine these creatures in their natural habitat which can be an issue depending on where they live. For example, if I were to study the behavioral patterns of a Leopard, it would be extremely difficult to do so because the Leopards are specifically keen at camouflaging in their environment. That would make observing its behavioral patterns very frustrating and time consuming. In a way, mother nature is always against us.

(Hope this helps)

3 0

3 years ago

Explain the criteria for categorizing phenomena as science (Consistent, Observable, Natural, Predictable, Testable, and Tentativ

Vladimir79 [104]

Answer:

Consistency: Consistency is the property of the phenomena where the result of the observation or experiment should be consistence. The degree of the variation between the observation should very low.

Observable: The outcome of the result of the experiment should be observable and the result should be record able.

Natural: For the happening of the event, it should be explainable with the reference of the natural events.

Predictable: The event should be able to predict that can be explained on the basis of the naturally occurring event.

Testable: the cause of the natural event should be able to tested on the basis of variable environment in controlled environment to draw the different result and a conclusion based on the result.

Tentativeness: the scientific theory should be such that it could be tested upon. With the development of science, the theory should be modifiable and even proven wrong.

8 0

3 years ago

I’ll mark brainliest explain the sequence of events in the replication of DNA

salantis [7]

Explanation:

Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication.

How is DNA replicated?:

Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin. Several enzymes and proteins then work together to prepare, or prime, the strands for duplication. Finally, a special enzyme called DNA polymerase organizes the assembly of the new DNA strands. The following description of this three-stage process applies generally to all cells, but specific variations within the process may occur depending on organism and cell type.

What triggers replication?

A schematic shows a double-stranded DNA molecule undergoing the replication process. The left side of the molecule is double-stranded. In the middle of the molecule, a globular yellow structure, representing the protein helicase, is bound to the ends of several nitrogenous bases on the lower strand. To the right of the helicase protein, the double helix has opened and the top strand has separated from the bottom. At right, a short segment of the newly replicated double-stranded DNA molecule is visible.

Helicase (yellow) unwinds the double helix.

The initiation of DNA replication occurs in two steps. First, a so-called initiator protein unwinds a short stretch of the DNA double helix. Then, a protein known as helicase attaches to and breaks apart the hydrogen bonds between the bases on the DNA strands, thereby pulling apart the two strands. As the helicase moves along the DNA molecule, it continues breaking these hydrogen bonds and separating the two polynucleotide chains.

A schematic shows a double-stranded DNA molecule undergoing the replication process. At right, the double helix has opened and the top strand has separated from the bottom. A globular yellow structure, representing the protein helicase, is bound to the ends of several nitrogenous bases on the lower strand. A red globular molecule, representing the enzyme primase, is bound to the lower DNA strand to the right of helicase.

While helicase and the initiator protein (not shown) separate the two polynucleotide chains, primase (red) assembles a primer. This primer permits the next step in the replication process.

Meanwhile, as the helicase separates the strands, another enzyme called primase briefly attaches to each strand and assembles a foundation at which replication can begin. This foundation is a short stretch of nucleotides called a prime

5 0

3 years ago

EXTRA PTS* Liquids and gases both do not have a definite ______

navik [9.2K]

Answer:

shape

Explanation:

gases and liquids have very spread out particles and contain no particular shape. instead, they take the shape of whatever contains them. on the other side, a solid has a particular shape as the molecules are close together.

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3 years ago

Will a mutation in a human skin cell be passed on to the person’s offspring? Please Explain

Semenov [28]

No..a mutation in human skin acquired is called a somatic mutation, and it cannot be passed on. Mutations can only be passed on from sex cells (aka germ-line mutations can be passed onto offspring)

5 0

3 years ago