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kiruha [24]
4 years ago
15

What does the phenotype of the transformed colonies tell you?

Biology
1 answer:
MatroZZZ [7]4 years ago
5 0
I believe the phenotype tells us that the bacteria have successfully been transformed with the plasmid because they grow under UV light indicating they received mutant form of GFP gene and grow on ampicillin so they got the ampicillin resistant gene. 
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Which of the following is true of cells in batch culture? Cells never reach exponential growth rates. Metabolic wastes do not ac
Nataly [62]

Answer:

Option (3).

Explanation:

Batch culture may be defined as a type of culture which are refereed as stack and operated as influx of the reactant up to the maximum level. This technique is generally used to grow the micro organisms.

The cell mass do not decrease or increases as the cell divides in the batch culture. The new batch are added during the culturing process. The cell mass remains constant in batch culture.

Thus, the correct answer is option (3).

7 0
3 years ago
Nonmetals seek to_____to have full outermost shells, while metals seek to_______to have full outermost shells. A. Gain protons/l
Doss [256]

Answer: Option (D) is the correct answer.

Explanation:

Non-metals are electron deficient in nature so, in order to complete their octet they need to gain electrons from metals or electron rich atoms.

Whereas metals are electron rich in nature so, in order to gain stability metals lose their valence electrons.

For example, atomic number of potassium is 19 and its electronic distribution is 2, 8, 8, 1. Whereas atomic number of chlorine is 17 and its electronic distribution is 2, 8, 7.

Therefore, sodium in order to gain stability will lose its valence electron to chlorine atom. Hence, an ionic bond will be formed resulting in the formation of KCl.

Thus, we can conclude that non-metals seek to gain electrons to have full outermost shells, while metals seek to lose electrons to have full outermost shells.

8 0
3 years ago
A
ANTONII [103]

Answer:

diploid

Explanation:

5 0
3 years ago
A wilted house plant is watered explain how structure 1 and 3 is going to work together to cause a change in the plant
Ksivusya [100]

Answer:

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3 0
3 years ago
12. Se obtienen 500 mL de CO2 en el laboratorio a una temperatura de 18 °C y una presión de 560 mmHg. El volumen que ocupa a con
vfiekz [6]

Answer:

A. 345,6 mL

Explanation:

Tenemos un gas definido en ciertas condiciones (de presión, temperatura y volumen) y queremos saber el volumen que ocupará en condiciones normales de presión y temperatura, es decir, 1 atm y 0ºC.

Para resolver este problema utilizaremos la ecuación de los gases ideales:

pV=nRT

Ya tenemos todos los datos, y sólo nos resta calcular n, el número de moles. R es la constante de los gases, la cual tiene el valor redondeado de 0.082 L.atm/mol.K, por lo cual es importante convertir las unidades para que éstas se cancelen y den como resultado los moles de gas.

Dividimos 560 en 760 para pasar de mmHg a atm, 500 mL se dividen por 1000mL para pasar a litros, y a la temperatura de 18ºC se le suman 273 para pasarla a Kelvin.

Despejamos n de la ecuación:

n=p.V ÷ R.T

n= 0.740 atm × 0.50 L ÷ 0.082 L.atm/mol.K × 291 K

n= 0.0155 mol

Ahora que tenemos el número de moles del gas, podemos usar la ecuación nuevamente para calcular el volumen que tendrá el gas en condiciones normales (1 atm y 0ºC, o 273 K).

Despejamos V de la ecuación:

V= n.R.T ÷ p

V= 0.0155 mol × 0.082 L.atm/mol.K × 273 K ÷ 1 atm

V= 0.346 L ≈ 346 mL

El volumen que ocupará el mismo gas a condiciones normales será 346 mL, por ende la respuesta correcta es la A. Hay una pequeña discrepancia pero ésta es normal, se debe al redondeo del resultado al final (acá redondeo 345.6 a 346).

4 0
3 years ago
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