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Oliga
9 days ago
5

How does the size of oxygen's nucleus affect the distribution of electrons in the water molecules?

Biology
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Based on prior experiments, you have determined that for a culture of S. aureus an absorbance reading of 1.0 AU650 is approximat
enyata [2506]

Answer:

18.38 × 10⁸.

Explanation:

Cell absorbance is directly proportional to their density

A\alpha cells/mL

A=K ×cells/mL ( Here, K is a constant)

Thus, A/ (cells/mL)=K

Hence, A1/( cells/mL)1=A2/ ( cells/mL)2

Where A1 represents initial absorbance, (cells/mL)1= initial concentration, (cells/mL)2= final concentration, A2= final absorption

Therefore, ( cells/mL)2=(A2* (cells/mL)1 ) / A1

= (1.25 × 5.75 ×10⁶)/1

= 7.18 ×10⁶.

Consequently, the final bacterial concentration in the culture with an absorbance of 1.25 =  7.18 ×10⁶.

Thus, after 8 generations

The growth of cells is geometric, meaning the cell count doubles with each generation, resulting in quadrupling the initial amount after the second generation.

The nth term of geometric progression is expressed as arⁿ⁻¹

where a is the first term, r =2 ( r=nth term/ (n-1) th term)

where n=9 ( n= number of generations+1)

The 9th term therefore becomes (7.18 ×10⁶ × 2⁸)

= 18.38 × 10⁸.

As a result, the number of cells in 1 mL after 8 generations is 18.38 × 10⁸.

Thus, the solution is 18.38 × 10⁸.

7 0
1 month ago
Restriction digest A:
11111nata11111 [2571]

Response:

This inquiry appears to be lacking detail

Clarification:

This inquiry seems to be lacking detail. Still, if the sequence of the second fragment matches what was indicated earlier, then the answer is 51

This sequence/fragment is clearly a DNA sequence due to the lack of uracil (U) or the presence of thymine (T). The four nucleobases in DNA include adenine (A), Thymine (T), cytosine (C), and Guanine (G). These bases pair according to the arrangements outlined below

A ⇆ T

G ⇆ C

Consequently, adenine (A) on one strand is capable of pairing only with thymine (T) on the opposing strand (and vice versa), while guanine (G) on one strand can exclusively pair with cytosine (C) on the other strand (and vice versa).

Thus, the letters mentioned in the question symbolize the bases in a DNA strand/fragment. The total number of letters/bases is 51

6 0
1 month ago
What kind of display would be the best way to represent the data below? Type of species Critically endangered (%) Endangered or
11111nata11111 [2571]
The table related to this query lacks clarity, and I have provided a more detailed version of the data. The correct answer is BAR GRAPH. A bar chart or graph is a way to represent or display statistical information. Bars are oriented either horizontally or vertically to convey data. A bar graph is useful for comparing values across different categories, with the length of each bar indicating the magnitude of the data measured. The question's data describes a comparison between critically endangered species and those that are endangered or vulnerable in terms of percentage across various species types. In the BAR GRAPH, the x-axis will show the diverse species types, while the y-axis will represent the percentage (%) of endangered or critically endangered species. Two distinct bars, differentiated by color, will indicate whether the species is endangered or critically endangered.
5 0
2 months ago
Read 2 more answers
Un jardinero cruzó dos plantas de flores rosadas, con la esperanza de obtener plantas con flores del mismo color. Su sorpresa fu
s2008m [2378]

Response:

Este es un ejemplo de dominancia incompleta. Se trata de un fenómeno genético que se manifiesta cuando un gen dominante no logra expresar su totalidad en el alelo recesivo en un alelo heterocigoto dominante.

Por ende, ambos rasgos se muestran, dando lugar a una fusión de los dos alelos para los colores (blanco y rojo). El alelo rojo dominante muestra dominio parcial sobre el alelo blanco recesivo, produciendo así el alelo completamente rosado.

Según la ley mendeliana, las dos flores rojas son heterocigóticas. Por lo tanto, las flores rojas dominantes heterocigóticas deben ser R. El alelo blanco es recesivo (rr) y es enmascarado por el R rojo,

Sin embargo, al cruzar los dos alelos heterocigotos rojos:

Los fenotipos derivan en forma de

RR, (1) rojo Rr Rr (2) rosa rr (1) Blanco.

Esto ocurre porque el alelo rojo dominante no era total / completamente dominante sobre el alelo recesivo blanco en ninguno de los casos, resultando en un alelo rosa (el tercer fenotipo)

4 0
2 months ago
What cell is unable to take up or make sugars, which molecule(s) will it be unable to make.
vlada-n [2515]
The inability of a cell to take in or produce sugars prevents the synthesis of carbohydrates and nucleic acids.
6 0
1 month ago
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