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11111nata11111 [884]
3 years ago
13

Results in science are not generally accepted as being accurate until they can be verified. Which of the following is an example

of repetition in science? A.A student designs an experiment on plant growth that includes multiple trials. B.One scientist carries out the same experiment performed by another scientist to validate the results. C.A scientist poses a new question for investigation after reading the results of another scientist’s work. D.A scientist analyzes the data included in the published work of another scientist and agrees with the conclusions
Biology
2 answers:
julsineya [31]3 years ago
7 0

Answer:

B) One scientist carries out the same experiment performed by another scientist to validate the results.

Explanation:

repetition definition is basically B.

Vsevolod [243]3 years ago
4 0

Answer:

The answer is B

Explanation:

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Why are uncompetitive andmixed inhibitors generally considered to
Wittaler [7]

Answer:

The uncompetitive and mixed inhibitors are not affected by the substrate concentration while inhibition by a competitive inhibitor can be overcome by increasing the concentration of the substrate.

Explanation:

A competitive inhibitor competes with the substrate for the active site of the enzyme. When the competitive inhibitor combines with the enzyme and forms the enzyme-inhibitor complex (EI complex), the substrate cannot bind to the active site. However, the inhibition by competitive inhibitor can be overcome by increasing the substrate concentration around the enzyme which in turn would allow the substrate to bind to the active site and the reaction would proceed.  

On the other hand, an uncompetitive inhibitor binds to the site at the enzyme different from the active site. Once the ES complex is formed, the uncompetitive inhibitor joins the complex to inhibit the enzymatic activity.  

Likewise, a mixed inhibitor also occupies a site on the enzyme distinct from the active site for the substrate. A mixed inhibitor binds to the enzyme or ES complex to inhibit the reaction.  

Since the binding site for uncompetitive and mixed inhibitors are distinct from the substrate-binding site on the enzyme, increasing the substrate concentration can not overcome the inhibition.  

3 0
3 years ago
The exchange of gas that takes place between the respiratory system and the outside airthat is, the exchanges that happen while
SOVA2 [1]
External respiration ??
6 0
3 years ago
4.6 Fusion of the reading frames of the bcr and abl genes, as is often observed in cases of chronic myelogenous leukemia (CML),
kirill115 [55]

Answer:

The answer is reciprocal chromosomal translocation

Explanation:

The Philadelphia chromosome (Ph) is the truncated chromosome 22 generated by the reciprocal translocation t(9;22)(q34;q11) and was first identified in 1960 in a patient with CML [3]. Translocation of the proto-oncogene tyrosine-protein kinase (ABL1) gene located on chromosome 9 to the breakpoint cluster region (BCR) gene located on chromosome 22 results in a BCR-ABL1 fusion gene on the Ph [4, 5]. Three BCR-ABL1 fusion gene hybrids encode BCR-ABL1 protein isoforms p210, p190, and p230, which have persistently enhanced tyrosine kinase (TK) activity. These aberrantly activated kinases disturb downstream signaling pathways, causing enhanced proliferation, differentiation arrest, and resistance to cell death [6, 7]. Tyrosine kinase inhibitors (TKIs) targeting the BCR-ABL1 protein are the most successful targeted therapy for Ph-positive leukemia.

4 0
3 years ago
How does meiosis most benefit a species?
Darya [45]
Meiosis is the process of making sex cells(haploid cells). This is the main component of reproduction. Therfore, the greatest benefit is reproduction.
3 0
3 years ago
How do products of meiosis I differ from those of meiosis ll?
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Meiosis I is dedicated to forming two Haploid(half chromosome) cells bby separating each pair of chromosomes (one of each type in each cell) and the recombination, or shuffling of genes on each chromosome with its pair by crossing over, While Meiosis II is meant to split the individual chromatids in the haploid cells to create a total or 4 daughter cells 

Hope this helps! :)

3 0
3 years ago
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