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Biology
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Describe and explain the physiological changes that occur in the body if the core body temperature is at 38 degrees celsius.

38 degrees Celsius is higher than the necessary core body temperature of 37 degrees. This is detected by the hypothalamus to reduce the temperature through a negative feedback system.The changes brought a...

KB
Answered by Kd B. Biology tutor
3103 Views

Describe the events that take place to generate an action potential at a nerve synapse

A synapse is a chemical junction between a neurone and another cell. This next cell is often another neurone or a muscle cell. In this case we will describe a synapse between a two neurone cells. When an ...

JL
Answered by James L. Biology tutor
3130 Views

What is the difference between eukaryotic and procaryotic cells?

Procaryotic cells lack organelles (e.g. nucleus) and other internal membrane-bound structures (e.g. endoplasmatic reticulum). Most of their genetic material (i.e. DNA) forms an irregularly shaped structur...

SS
Answered by Sarah S. Biology tutor
3869 Views

Explain the key steps in mitosis.

Mitosis is the way in which cells divide. Once one cell has undergone DNA replication, it contains 2 sets of chromosomes (diploid). Once mitosis has occurred, there will be two identical haploid...

AG
Answered by Amy G. Biology tutor
2760 Views

How can I differentiate prokatyotic and eukaryotic cells?

The main difference between these two cell types is that eukaryotic cells have their DNA collected inside the nucleus, while prokaryotic cells lack nuclei. Instead, they have a circular piece of DNA calle...

OA
Answered by Omar A. Biology tutor
3579 Views

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