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Scrat [10]
3 years ago
9

Which of the following statements best repesents the growth of the bacteria in nutrient agar

Biology
1 answer:
irga5000 [103]3 years ago
7 0

The answer is ; Bacteria growth entered the stationary phase after 3 hours

The bacterial growth is logistical – meaning it is represented by an S- curve. After the exponential phase where the bacterial population doubles with each generation, the stationary phase is reached. In this phase, the bacteria growth rate equals the death rate. The reduced growth rate is due to competition for resources between individuals of the population.  


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Many cells make and use an enzyme, called catalase, to facilitate the decomposition of hydrogen peroxide (H2O2). The products of
Len [333]

Answer:

A. It decreases the activation energy needed to start the reaction

Explanation:

Organic catalyst which speed up the rate of organic chemical reaction is living cells are called enzymes.They have specific reaction site called active sites.This must be in prefect shape with the substrate for the organic chemical reaction to take place

When this occurs the minimum amount of  energy of  reaction to  activate or stimulate  the the atoms and molecules of the substrate to undergo chemical reaction is  lowered.This energy of reaction is celled activation energy.

Catalase thought its active sites lowers the activation energy so that the molecules of H2O2 could break down to C02 and H2 faster,thereby reducing the time for theses product to form.The is the general roles of enzyme.To increase the rate of chemical reaction,by reducing the activation  energy.

8 0
3 years ago
La división meiótica produce ______________ células hijas haploides de cada célula diploide original. AYUDAAA
alisha [4.7K]

Answer:

El proceso general de meiosis produce cuatro células hijas a partir de una sola célula madre. Cada célula hija es haploide, porque tiene la mitad del número de cromosomas que la célula original.

Explanation:

Espero que esto te ayude :)

3 0
4 years ago
Why can’t we forget things when we want to ?
andrew11 [14]
Because in that way we keep thinking about them. How can you forget something when you're thinking about it?!
7 0
3 years ago
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Wetlands areas around an urban parking lot can filter out some of the chemical pollutants from the parking lot before they reach
Harlamova29_29 [7]
I bealeve it is true 
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3 years ago
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Scientists and doctors are working hard to find a way to cure cancer. Which cellular process are they studying to try and cure t
Natasha_Volkova [10]

Answer:

<em>The correct option is B) regulation of mitosis</em>

Explanation:

Cancer can be described as a group of diseases which result from uncontrolled, abnormal cell division. The cell division by which the cells divide (except sex cells) is termed as mitosis. Hence, scientists will be studying the regulation of mitosis if they are to find a cure for cancer.

Other options like option A are not correct because only sex cells divide by meiosis. Hence, regulation of meiosis will not cure cancer.

5 0
3 years ago
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