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Lady bird [3.3K]
3 years ago
7

A ____ reaction is a reaction that occurs between two aqueous solutions that results in the formation of a solid compound

Biology
1 answer:
Sauron [17]3 years ago
4 0

Answer:

The answer is A precipitation reaction.

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Genetic Diversity in Plants. Genetic diversity is of fundamental importance in the continuity of a species as it provides the necessary adaptation to the prevailing biotic and abiotic environmental conditions, and enables change in the genetic composition to cope with changes in the environment

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Put each tile to the correct location.
Valentin [98]

Answer:

A) A tentative statement used to guide a scientific investigation is called scientific hypothesis.

As hypothesis is a proposed details of a phenomena, it can guide us in one way or another to carry out the scientific investigation.

B) Makes prediction about future events is scientific hypothesis.

Scientific hypothesis bases on the observation made predicts about future events, which could be either true or false.

C) Can be tested many independent researches is a scientific theory.

A scientific theory is developed when it has been passed through many researches and had gained acceptance too.

D) Both Scientific theory and hypothesis are based on the observations of the natural phenomena.

Firstly, an observation is made based on natural phenomena, which leads to questions, then research or study is carried out to answer these questions leading to the formation of a hypothesis which upon successful  testing forms a theory.

E) Scientific theory is a well-established highly reliable explanation.

It a highly sustained explanation based on facts of nature, that are confirmed via a lot of experiments.

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3 years ago
Suppose you have a beaker of sugar and a beaker of salt. They are unlabeled and the white crystals look identical. Your assignme
DochEvi [55]

Answer:

I do not know

Explanation:

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3 years ago
How is plant behavior in winter like an animal migrating
attashe74 [19]
It is like a animal migrating because it is like hibernating because it doesn't get any food or water in winter.
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Read 2 more answers
Map One method for separating polypeptides makes use of their different solubilities. The solubility of large polypeptides in wa
PSYCHO15rus [73]

Answer: For (a):

(Lys-Ala)3 is soluble and (Gly)zo is not soluble.

(b) (Glu)zo is soluble and (Phe-Met) is not soluble.

(c) ( Asn-Ser-His) is soluble and (Ala- Asp-Gly) is not soluble.

(d) (Asn-Ser-His) is soluble and (Ala-Ser-Gly).

Explanation:Firstly, the solubility of polypeptides relies on polar groups in the R group of the side chain and also ionized groups because these groups can interact with dipole bond of water.

For (a): (Gly)zo, no R group of the side chain of (Gly)zo is polar nor ionizable and solubility is based on the ability of R group of polypeptides to be polar or ionized while in polypeptides of (Lys-Ala), Lys is polar and therefore soluble though Ala in the compound is not polar nor ionizable but the presence of Lys makes the polypeptide to be soluble.

(b) (Glu)zo is a polar peptide, therefore soluble peptides while both the combination of (Phe-Met)3 gives polypeptides that are not polar therefore not soluble.

(c) In poypeptide of (Ala-Asp-Gly)s, the R group on the side chain of both Ala and Gly are neither polar nor ionizable therefore cannot be soluble even though Asp( which at PH 3 can partially be protonated and partially deprotonated to make it soluble) is present in the polypeptide. Therefore the polypeptide of Ala-Asp-Gly is not soluble compared to Asn- Ser-His, where Asn has polar covalent bond which can interact with water, His which at pH 6 will be half protonated and half deprotonated making the substance to react with water and also Ser is a soluble polypeptide too.

(d) Also between (Ala- Ser-Gly) and ( Asn- Ser-His), polypeptide with (Asn-Ser-His) will be considered soluble because Ala and Gly have R groups that neither polar nor ionizable though Ser is soluble but common to both substances, its influence will not be effective and (His) is a soluble which at pH 6 get partially protonated and deprotonated.

3 0
3 years ago
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