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How is a sperm cell adapted to its role?

Since the sperm cell's role is to swim to the egg and fertilise it, it requires a tail for movement. The middle piece is full of mitochondria to provide energy so that the sperm cell can swim and reach the e...
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Answered by Patricia B. • Biology tutor
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Explain the structure of an amino acid and how a peptide bond forms between two amino acids.

An amino acid is made up of four groups bonded to a central carbon atom. These groups include a hydrogen atom, a carboxyl group, an amine group and a R group. The R group differs for each amino acid. A pepti...
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Answered by Hazal T. • Biology tutor
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What is/what is the difference between, transcription and translation?

Transcription is the process of of copying DNA information from a DNA strand, to form an mRNA, that can later be used to produce a protein in translation. Transcription will involve the double helix of DNA o...
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Answered by Tasneem P. • Biology tutor
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Explain how a mutation in the gene coding for an enzyme could lead to the production of a non-functional enzyme.

The base sequence changes so the amino acid sequence changes therefore leading to a change in the types and location of bond formation thus a change in the tertiary structure occurs. This prevents the enzyme...
Answered by • Biology tutor
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What is the role of an enzyme?

Enzymes are biological catalysts that speed up chemical reactions by providing an alternative reaction pathway with lower activation energy.
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Answered by Regina B. • Biology tutor
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