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4 years ago

Now let's see how well you understand this section.

Biology

1 answer:

vovangra [49]4 years ago

6 0

Answer:

For a scientific hypothesis to be useful, it must be a testable explanation of facts

Explanation:

In the scientific method, the hypothesis represents the starting point of all research, where the observation of a phenomenon is followed by a possible explanation that must be measured and proven.

It is important that the hypothesis presents defined, specific and real variables, and there must be the possibility of test it and have the necessary tools for this purpose.

Regarding other options:

A. Provable : the probability of a hypothesis implies that it may or may not be true.

B. Widely accepted : the explanation that provides a hypothesis needs to be demonstrated through experiments in order to be accepted.

C. Correct: the hypothesis will not be correct until it has been tested.

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Ultraviolet radiation from the sun alters the DNA of a skin cell. This skin cell rapidly divides, but the resulting cells no lon

morpeh [17]

The correct answer that would best complete the given statement above would be CANCER. The given situation above is an example of the early stages of CANCER. Cancer is defined as a disease caused by an uncontrollable division and spread of abnormal cells all over the body. The skin cells rapidly divide, but the cells are already defective and no longer function properly. Hope this answer helps.

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4 years ago

Read 2 more answers

What is the function of Chlorophyll B ? wirte only 8 to 10 points

Brums [2.3K]

Answer:

chlorophyll b

Explanation:

chlorophyll b. A function of those pigments is to absorb light energy. In plants, chloroplasts occur in all green tissues, though they are concentrated particularly in the parenchyma cells of the leaf mesophyll.

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3 years ago

A yeast is cultured in the presence of radioactive phosphate and the following biological molecules are purified. Which molecule

tatiyna

Answer:

The most radioactive purified biological molecule will be RNA

Explanation:

RNA (ribonucleic acid) like DNA, is a long, unbranched macromolecule consisting of nucleotides joined by 3' - 5' phosphodiester bond.

In the cultured yeast, RNA is the most radioactive purified biological molecule because RNA is normally single stranded and does not undergo mutation, replication nor transcription.

Hence, it conserves the ultraviolet light absorbed from the radioactive phosphate during the culturing of yeast

3 0

4 years ago

Different between pigeon and bat.

Vikki [24]

Answer:

good morning

Explanation:

Similarity between bat and pigeon is that both belong to same kingdom i.e Animalia. Both are winged animals with stream lined body that helps them to fly. Difference- Bat is a flying animal but doesnot belong to class aves instead it is placed in class mammalia whereas pigeon is a flying bird.

6 0

3 years ago

During chemical weathering what can happen to the type of rock that has undergone chemical weathering.

tankabanditka [31]

Answer:

A new rock is produced that is different from the original rock.

Explanation:

During chemical weathering, a new rock is produced that is different from the original rock.

Chemical weathering is the chemical decomposition of rocks to form sediments and soils.
A large chunk of rock combines with water, air and other chemical materials.
This cause chemical action and a new substance is produced.
This process is known as chemical weathering.

Physical weathering is the breaking down of rocks into smaller fragments.

4 0

3 years ago