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Biology
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What is Osmosis?

The one definition of osmosis is 'The movement of water from a high concentration to a low concentration, down it's concentration gradient, across a partially permible membrane, until osmotic pressue is e...

AV
Answered by Alexandra V. Biology tutor
13313 Views

During the redox reaction in glycolysis, which molecule acts as the oxidising agent?

The oxidation of glyceraldehyde 3-phosphate (G3P), a three-carbon sugar, yields energy. In this oxidation, electrons and H+ are transferred to NAD+, forming NADH, and a phosphate group is attached to the ...

DA
Answered by Daniel A. Biology tutor
8262 Views

Why is internal temperature regulation an important homeostasis?

Internal temperature of your body must be tighly controlled. The key processes of your body are driven by enzymatic activity and there is an optimal temperature at which these operate. If body temperature...

AI
Answered by Archie I. Biology tutor
4230 Views

How do Beta Cells secrete insulin to decrease blood glucose concentration?

Blood glucose enters the beta cells by facilitated diffusion. The increased concentration of glucose in the beta cell causes the rate of respiration to increase therefore produces more ATP. The rise of AT...

LB
Answered by Lauryn B. Biology tutor
3066 Views

Describe the differences in cell structure between animal, plant and bacterial cells

Cells are the micro building blocks of all living organisms, and though there are many different kinds allowing us to have many different functions, we will focus on the basic ones associated with animals...

AS
Answered by Anna S. Biology tutor
2933 Views

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