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What does sex linkage mean?

Sex linkage refers to when certain alleles affect one gender more than the other. Men tend to be affected by some genetic disorders more than women. This is because some alleles for genetic disorders are car...
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Answered by Amy S. • Biology tutor
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List two reasons drugs to treat illness are often trialled

Accept any two from: Toxicity Dosage Efficacy side effects
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Answered by Charlotte B. • Biology tutor
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What affects enzyme activity?

Enzyme activity is dependent on five different factors. These include temperature, pH, concentration of substrate, concentration of inhibitor and concentration of the enzyme itself. Firstly, most enzymes are...
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Answered by Kristina F. • Biology tutor
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What is an enzyme?

An enzyme is a biological catalyst that enables reactions to occur by decreasing the activation energy they need. Not only would certain reactions not take place without the enzyme, they are also important i...
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Answered by Kristina F. • Biology tutor
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Cells becoming resistant to bacteria; Within a population of bacteria, NO cells are resistant to antibiotics. Over time, ALL cells are resistant to antibiotics. Outline the steps of natural selection that lead to a fully resistant population:

Within the bacterial population, the cells obtain different types of mutations. - One type of mutation is antibiotic resistance. - Some types of mutations are harmful to the cell, some have no or little effe...
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Answered by Emmaline S. • Biology tutor
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