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How do we control our heart beat

To begin with, we should first look at how the heart beats.
Beating of the heart is due to myogenic muscle contraction, This means the myocyte (muscle cell) itself is the origin of the contraction an...

JD
Answered by Jess D. Biology tutor
3064 Views

Explain the course of an action potential across a neuron's membrane

The action potential is the change in electrical voltage across a neuron's cell surface membrane, as an impulse is passed along the neuron. This is the way signals are transmitted in the nervous system. I...

CF
1799 Views

Write a small program, in pseudocode or otherwise, that demonstrates a recursive algorithm. Write a small explanation of how recursion is used in your program.

The Fibonacci sequence is defined as:f(n) = f(n-1) + f(n-2)F(0) = 1F(1) = 1Where n is a positive number. This allows for a recursive algorithm to be written that returns 1 for the two ba...

JF
Answered by Jordan F. Computing tutor
2369 Views

Use your knowledge of the actin and myosin mechanism of muscle contraction to explain how a vesicle might be "walked" along the cytoskeleton of a cell.

ATP binds the myosin head in its resting state. ATP is hydrolysed to ADP + Pi, releasing energy. This changes the conformation of the myosin head, cocking it. The myosin head reattaches to the actin molec...

AH
Answered by Alex H. Biology tutor
3252 Views

What are positivist and interpretivist approaches in sociology?

Positivism and interpretivism are two different perspectives that sociologists use to tackle a social problem. These perspectives will influence the type of problem that the sociologist is interested in e...

SR
Answered by Sophia R. Sociology tutor
9463 Views

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