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nignag [31]
3 years ago
13

Which is the first step to occur during the process of replication?

Biology
1 answer:
lara31 [8.8K]3 years ago
4 0
<span>The very first stage is called Interphase. They split into two and copy the original halves genetic material, this is when genetic mutations occur (e.g. Cystic Fibrosis), the new strands then move to the outer edges of the membrane and the cell wall splits into two (Cytokinesis)</span>

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Which of the following is the best definition of a scientific theory?
Verdich [7]

Hi there! I believe the answer is:

D. An explanation of natural events that is well supported by scientific evidence

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7 0
3 years ago
PLSS HELP how is gene knockout similar to gene sequencing?
alexdok [17]

Answer:

Gene knockout is a technique used to determine the function of a gene that has already been sequenced, which is achieved by analyzing the phenotype of the individual carrying the knockout mutation(s). Moreover, gene sequencing is a technique used to determine the sequence of a given gene, which allows to determine how gene variants (polymorphisms) may be associated with the phenotypes of the target trait.  

Explanation:

In genetics, gene knockout is a technique used to trigger mutations in a (already) sequenced gene in order to inactive its function and observe the resulting phenotype for a particular trait. This approach that starts with the inactivation of a given gene and ends with the phenotype is known as reverse-genetics. On the other hand, gene sequencing can be defined as the methodologies/techniques/tools used to determine the nucleotide base pair sequence of a particular gene. The gene knockout technique involves knowing a priori the gene sequence in order to obtain a gene knockout (gene KO). The combination of the information obtained from these techniques can be used to determine how variation (genetic variation) affects the expression of a phenotypic trait.

6 0
2 years ago
Why is soil considered a non-<br> renewable resource?<br> Plz help ASAP
egoroff_w [7]

Answer:

because you don't get soil like you get the Sun rays everyday. It takes millions of years for formation of soil and you can't get it within the lifespan of one human. Hence it is considered as Non-Renewable resource.

Explanation:

7 0
3 years ago
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How have the historic levels of melanin in human populations changed due to migration? (1 point)
MaRussiya [10]

Answer:

i would say A

Explanation:

4 0
2 years ago
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AVprozaik [17]

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B

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6 0
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