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Vika [28.1K]
3 years ago
8

Professional gardeners often soak seeds in hydrogen peroxide before planting them. Why?

Biology
1 answer:
prisoha [69]3 years ago
5 0

Answer:

Professional gardeners often soak seeds in hydrogen peroxide before planting them in order to increase the germination percentage or to reduce germination failure. When the seeds are soaked in hydrogen peroxide, the seed coat becomes soft and enzymes present in the seed becomes active. Due to soaking of seeds, the seed takes less time to germinate. So that's why gardeners uses this method.

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The appearance of a novel phenotype resulting from the substitution of a single base pair might be due to
Gelneren [198K]

Answer:

There are several answers to this question: The appearance of a novel phenotype resulting from a substitution of a single base pair might be due to:___. These possibilities are:

1. A change in the sequence of amino acids. It must be remembered that proteins are the ones that carry out the instructions present in genes, therefore, a change in the sequence may show also a change in a base pair, and a change in what is expressed phenotypically.

2. Change in the amount of protein that is transcribed. Again proteins are the ones that carry out the instructions from genetic material. A change in DNA will show in how not just amino acids will be arranged, but also the structure, and amount of protein transcribed, and also the types. This will alter the phenotypical expression.

3. Change in the developmental time and/or location at which a gene is expressed. Time and also the placement of the base pairs in the genetic sequence can alter how these are expressed when they are translated into RNA.

4. Alteration in a gene that codes for a non-translated RNA. It is RNA the one that will transfer information from genes in DNA and the final product, which are proteins. However, when DNA has a change in the genes that will be translated into RNA, the process may not be carried out, and if RNA is not produced, then neither will proteins. The absence of a specific sequence in RNA will also affect the production of protein and thus a phenotypical expression may, or may not, happen.

3 0
3 years ago
N the controversial scientific process of cloning, organisms are created that are genetically identical to the parent. This proc
Sedaia [141]

Answer:

D.

Explanation:

Im sure that is is D because when an offspring is identical to the parent that lets you know that it was asexual reproduction.

7 0
3 years ago
Many though not all mollusks have a shell. what secretes the shell
sashaice [31]

Mantle

In mollusks with shells, the outer cells of the mantle secrete calcium carbonate and conchiolin to form the shell. The mantle is the body wall of a mollusk. It resides below the shell where it covers the body of the animal.






6 0
3 years ago
what changes do they make to their environment? how do these changes help the other living things in that environment
Mariana [72]
You could talk about pollution, trash on beaches...etc
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Could someone help : how does the number of offspring that are produced by an individual typically compare with the fecundity of
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The number of offspring produced is often related to the amount of parental care. Typically, the higher fecundity, the lower the amount of time parents devote to caring for the offspring.

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