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densk [106]
3 years ago
13

A possible explanation for a set of observations or answer to a scientific question is called

Biology
1 answer:
Vera_Pavlovna [14]3 years ago
8 0
An hypothesis is a possible explanation for a set of observations or answer to a scientific question. A supposition or proposed explanation made on the   
basis of limited evidence as a starting point for further  
 investigation. 
 And practically, an hypothesis is used as the basis for further experiments, where the hypothesis is rigorously tested under varying conditions. The hypothesis that is tested and modified under different conditions may become a general 
 theory
 .The hypothesis that has the least number of variables sufficient to explain the phenomenon is preferred.
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Is DNA located in chromonema?
Charra [1.4K]
Chromatid (Greek khrōmat- 'color' + -id) is one copy of a newly copied chromosome which is still joined to the original chromosome by a single centromere.

Before replication, one chromosome is composed of one DNA molecule. Following replication, each chromosome is composed of two DNA molecules; in other words, DNA replication itself increases the amount of DNA but does not increase the number of chromosomes. The two identical copies—each forming one half of the replicated chromosome—are called chromatids.[1]During the later stages of cell division these chromatids separate longitudinally to become individual chromosomes.[2]

Chromatid pairs are normally genetically identical, and said to be homozygous; however, if mutation(s) occur, they will present slight differences, in which case they are heterozygous. The pairing of chromatids should not be confused with the ploidy of an organism, which is the number of homologous versions of a chromosome.

Chromonema is the fibre-like structure in prophase in the primary stage of DNA condensation. In metaphase, they are called chromatids.

3 0
3 years ago
If two hybrid tall pea plants are crossed what is the probability that the offspring will have the tall phenotype?
irinina [24]

Answer:

There is a high probability that the Pea plant will have a High phenotype!

Explanation:

Because both "parent plants" are tall, this will cause the offspring to also be tall, this will be because it in it's genes or in other words DNA too be strong.

3 0
3 years ago
What is an advantage and disadvantage of using 4.5-7.5 pH paper?
Butoxors [25]

Answer:

The correct answer would be:

Advantage: helps in finding the exact ph value with a narrower range.

Disadvantage: You don't know the exact ph value on a regular scale.

Explanation:

The pH paper is a pH paper with a color indicator that helps in determining the pH value precisely between the 4.5 to 7.5 pH range. It is accurate in comparison to other pH papers such as 0-14 paper. One no need to guess the color between the different colors from various color mixtures as it has a more precise color reading that helps in finding accurate pH value in a narrow range.

On a regular scale, it is not as accurate and one can not find the exact value as it provides a narrow range value between 4.5 to 7.5.

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2 years ago
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A bc it takes in CO and releases oxygen
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A solar eclipse is when the moon moves between the earth and the sun, so the moon casts a shadow on the earth
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