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Why was the experiment on DNA done by Meselson and Stahl strong evidence that DNA replication is semi-conservative?

Three theories for DNA replication at the time: Conservative replication: When DNA was replicated, entirely new molecules of DNA were made, meaning a newly replicated DNA molecule ...

PB
Answered by Patricia B. Biology tutor
6389 Views

What is the second law of thermodynamics?

Formally speaking, the definition required in an exam would be that the second law of thermodynamics states that the entropy of an isolated system never decreases. The second law was conceived with the co...

LB
Answered by Lucas B. Physics tutor
2003 Views

Examine the growing need for environmental management at a global scale.

Environmental management, measures or strategies to preserve, protect or prolong the environment’s condition, is becoming increasingly important as the globe is faced with more and more issues tha...

ES
Answered by Elijah S. Geography tutor
3360 Views

The supply function for the production of good A is P=50+45Q. The demand function is P= 100-5Q. Find the equilibrium price and quantity.

At PQe supply equals demand so we set equations equal to each other and solve as symoltaneous equations: 50+45Q=100-5Q

then 50Q=50

so Qe=1.

By ...

PK
Answered by Peter K. Economics tutor
2080 Views

How do radians work? Why can't we just keep working with degrees in school?

Degrees are a made up unit; mathematicians simply decided that a complete revolution of a circle has 360 degrees, without that number actually meaning anything. Tecnically any number could have been picke...

HD
Answered by Hans D. Maths tutor
1823 Views

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