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vitfil [10]
3 years ago
6

What's a world problem that could be solved with science?

Biology
2 answers:
Bond [772]3 years ago
6 0

There are so many problems that science help solve. Diseases and sickness can be exterminated with science and research into medicine and the causes of said disease!

damaskus [11]3 years ago
4 0
Diseases, political science projects , sicknesses , and astronomy
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The kcat for Rubisco is 3 sec-1 How long does it takeone<br> subunit of Rubisco to do one reaction.
bekas [8.4K]

Answer:

A subunit of Rubisco takes approximately 0.33 s to perform one reaction

Explanation:

The kcat it's a kinetic first order constant that related the properties of the enzyme substrate complexes in a mechanisms and represents the overall first order process of the transformation of the substrate-enzyme complex into product.

Also kcat can be seen as the turnover number of an enzyme, representing the maximum number of substrate molecules that the enzyme can transform into product per time unit and per active site.

If the kcat is 3 s^-1, it means Rubisco can catalyse the transformation of 3 substrate molecules per second.

So, the time that takes a single reaction, should be the inverse of kcat.

To see it more clearly, the time needed for a single reaction is the time observed divided by the number of reactions done during that time.

In other words:

3 reactions ----------- 1 s

1 reaction -------------- x

  • x=1 reaction/3 reactions.s^-1 = 1/kcat = 1/3 s ~ 0.33 s

So the time that takes one Rubisco subunit to do one reaction is approximately 0.33 s

5 0
3 years ago
I need someone to write me an essay, please. Describe the different types of cellular transport and explain how the structure of
bearhunter [10]

Answer:

Some cells function best at a pH of 5, while others are better at pH 7. ... control what crossed their membranes, either no molecules would make it across, ... Various types of cell transport are summarized in the concept map in ... Figure 5.7.5 demonstrates the specific outcomes of osmosis in red ...

Explanation:

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1 year ago
Help me with this 2 questions number 3 A and B i mark you as brainlist please
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3A- Negative feedback occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.

3B- Negative feedback loops are used to maintain homeostasis and achieve the set point within a system. Negative feedback loops are characterized by their ability to either increase or decrease a stimulus, inhibiting the ability of the stimulus to continue as it did prior to sensing of the receptor.

Hope I’ve helped ;)
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3 years ago
When electron pairs are shared among two or more chemical bonds, the molecule is said to have which of the following properties?
jenyasd209 [6]
A related or common origin or property of an element in the chemical bond.
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3 years ago
Five general characteristics of organisms in kingdoms Plantae or Fungi are listed in the box. Which table correctly lists the ch
Nostrana [21]

Answer:

B

Explanation:

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3 years ago
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