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Explain the lock and key enzyme hypothesis

Enzymes are specific: meaning that an enzyme's active site is complementary to a particular substrate. In the lock and key hypothesis, a substrate that is complementary to the enzyme binds to the enzyme's...

Answered by Noor A. Biology tutor
5057 Views

what are three main functions of the human liver?

  1. detoxification: liver cells contain enzymes which break down toxins for example catalase, this enzyme is responsible for converting toxin hydrogen peroxide into water and oxygen. enzymes can detoxif...
Answered by Megan B. Biology tutor
2202 Views

With the help of Pandas and Numpy library create a DataFrame with the columns "Name", "Surname", "Age" and "Gender", create as many rows as you want. Print out the result.

import pandas as pdimport numpy as npdf = pd.DataFrame(np.array([["John", "Smith", 23, "Male"], ["Emily", "Adams", 19, "Female"]]), columns=['Na...

Answered by Lucia R. Python tutor
1435 Views

On the same diagram, sketch the graphs of: y = |5x -2| and y = |2x| and hence solve the equation |5x - 2| = |2x|

y = |2x| is a "V" shaped graph with a gradients of 2 and -2 that inflects at the origin (0,0)y = |5x - 2| is a "V" shaped graph with gradients of 5 and -5 that inflects at the point (2...

Answered by Charlie P. Maths tutor
3627 Views

Define a function that takes in the age of the user and adds it to an output sentence such as "You are ..... old".

def userName(): age = int(input("How old are you? ")) print(("You are {} old.").format(age))userName()

Answered by Lucia R. Python tutor
1249 Views

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