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3 years ago

Which of the following is a good reason for why tobacco smoke is considered a carcinogen?

Biology

2 answers:

Mazyrski [523]3 years ago

7 0

<span>it causes mutation leading to cancer </span>is a good reason for why tobacco smoke is considered a carcinogen

12345 [234]3 years ago

3 0

Answer:

A) it causes mutation leading to cancer .

Explanation:

Cancer is the disease that occurs when cells exhibit uncontrolled cell division leading to the formation of an undesired group of cells. Any chemical or physical factor that causes mutation in the genes of cell division control and leads to cancer is called a carcinogen. Tobacco smoke is a carcinogen as it has the ability to mutate the DNA of individual to cause cancer.

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Electricity is defined as

fiasKO [112]

Answer:

c. flow of electrons.

Explanation:

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3 years ago

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During a recent hurricane, 25 individuals of the same butterfly species were blown onto a barrier island in southern Florida. Af

Aleks04 [339]

Answer:

community

Explanation:

Community refers to a group of populations of different species that live together in a defined habitat. These species exhibit interdependence for one or other resources. It is a level of the ecological organization just above the population and consists of hundreds of different types of organisms of various species.

Butterflies and flowering plants belong to different species. Butterflies are dependent on these plants for food. Therefore, these two together represent two populations of different species living together in habitat and are an ecological community.

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3 years ago

What are the assumptions for the Hardy-Weinberg equation? What does it mean when a population is in Hardy-Weinberg equilibrium?

wel

Answer:

the Hardy-Weinberg assumptions are: no mutation, random mating, no gene flow, infinite population size, and no selection.

When a population is in Hardy-Weinberg equilibrium? Evolution will not occur

***The Hardy-Weinberg equilibrium can be disturbed by a number of forces, including mutations, natural selection, nonrandom mating, genetic drift, and gene flow***

Explanation:

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3 years ago

What is the sickle cell disease and how can it affect someone’s health??????

Fantom [35]

The Sickle cell disease is a genetically inherited deformed cell. These cells are deformed into crescent shaped moons. This is serious and can lead to blood clots. Since these cells are deformed, they usually can’t fit in the capillaries aka tubes that carry blood throughout your body. These sells can block the entrances to the capillaries and cause blood flow to stop being transferred from one area of the body to another.

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3 years ago

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When is a peptide bond formed during the process of translation?

Dmitriy789 [7]

Answer:

At the "Elongation" or "middle stage" of the translation, the peptide bond is formed.

Explanation:

We know that there are three steps or stages of the translation process. Among these 3, in the elongation stage, amino acids are carried to the ribosome by tRNAs, and then they become linked together to form a chain.

In this stage, at first, methionine-carrying tRNA starts in the middle slot of the ribosome, called the P site. Next to it, a new codon is opened in another slot, called the A site. The A site will be used for the "landing site" for the next tRNA. Once the matching tRNA has arrived in the A site, the formation of the peptide bond happens. This peptide bond connects one amino acid to another. This step transfers the methionine from the first tRNA onto the amino acid of the second tRNA in the A site.

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3 years ago