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erma4kov [3.2K]
3 years ago
6

Battery operated device was invented to control the speed in rhythm of the human heart which professional was mainly involved in

this invention
Biology
1 answer:
____ [38]3 years ago
3 0

Answer:

Rune Elmqvist is designated with the credits of establishing the first artificial cardiac pacemaker.

Explanation:

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Hmm, learning about this what a while back, but i would say (1)
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Calculate the final concentration of BSA in the problems below using the formula
Rudiy27

Answer:

A. C_2=1.5\frac{mg}{mL}

B. C_2=0.075\frac{mg}{mL}

C. C_2=0.01\frac{mg}{mL}

D. C_2=0.001\frac{mg}{mL}

Explanation:

Hello.

In this case, we must compute the final concentration in all the cases so we solve for it in the given equation:

C_2=\frac{C_1V_1}{V_2}

Thus, we proceed as follows:

A. Here, the final diluted solution includes the 300 μL of the 5 mg/ml-BSA and the 700 μL of TBS.

C_2=\frac{300\mu L*5\frac{mg}{mL} }{(300+700)\mu L}\\\\C_2=1.5\frac{mg}{mL}

B. Here, the final diluted solution includes the 50 μL of the 1.5 mg/ml-BSA, the 450 μL of water and the 500 μL of TBS.

C_2=\frac{50\mu L*1.5\frac{mg}{mL} }{(50+450+500)\mu L}\\\\C_2=0.075\frac{mg}{mL}

C. Here, the final diluted solution includes the 10 μL of the 1 mg/ml-BSA and the 990 μL of TBS.

C_2=\frac{10\mu L*1\frac{mg}{mL} }{(10+990)\mu L}\\\\C_2=0.01\frac{mg}{mL}

D. Here, the final diluted solution includes the 10 μL of the 0.1 mg/ml-BSA and the 990 μL of TBS.

C_2=\frac{10\mu L*0.1\frac{mg}{mL} }{(10+990)\mu L}\\\\C_2=0.001\frac{mg}{mL}

Best regards.

7 0
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Drives comes from the Biological environment.The Incentive comes from the external environment.


The biological environment is termed as the natural biological environment. For example, plants and wild animals which affects life of human being.

External environment is composed of the outside factors which results in operation of business.

There are two types of external environment. For example, macro environment and micro environment.

Some factors like suppliers, financiers, marketing intermediaries, customers, and public per captions can affect a micro environment.



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Compare transitional aqautic ecosystems. Identify two types and describe the environments each type combines
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A transitional aquatic ecosystem is one type among the aquatic systems.

There are two types in it.

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Here is its complicated name: (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-oxane-3,4,5-triol

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