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alexgriva [62]
3 years ago
12

What is the difference between a supermassive black hole and an ordinary black hole

Biology
1 answer:
rosijanka [135]3 years ago
6 0

Answer:

A supermassive black hole is a perfectly ordinary black hole that happens to be really, really big.

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Which part of a neuron contains the nucleus
icang [17]

<em>Parts of a Neuron;</em>

<u>Cell body: The "regular" part (Contains nucleus and other organelles) </u>

Axon: Sends signals to the synapse

Dendrites: Receive signals from other synapses

3 0
3 years ago
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Botulism toxin disrupts motor control by Botulism toxin disrupts motor control by blocking the release of acetylcholine by motor
Svet_ta [14]

Answer:

Botulism toxin disrupts motor control <u>by blocking the release of acetylcholine by motor neurons.   </u>

Explanation:

Acetylcholine is the principal neurotransmitter in motor neurons. If there is no release of acetylcholine from the presynaptic motor neuron, the ion channels will not open. If the ion channels do not open, Na+ cannot enter the postsynaptic membrane to start an action potential. As a result, the muscle can not move.

The ion channels have a specif receptor for acetylcholine. When acetylcholine binds to the receptors, the channels open. With the ion channels open, Na+ can enter the postsynaptic membrane to start an action potential. This does not happen in the presence of botulism toxin since it blocks the release of acetylcholine.

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3 years ago
What is a name for a complex, organized group of organisms ?
noname [10]
Tissues i'm pretty sure
3 0
4 years ago
Fertilization occurs when two ______ fuse to make one cell. chromosomes gametes organelles zygotes
bazaltina [42]
When TWO FERTILIZE CELLS fuse together and make as one cell. It would undergo to many process and multiplication of cell until it would produce an multi cellular organism that could also produce a fertilize cells and be use for another fertilization
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3 years ago
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If a given population of diploid organisms contains only three alleles of a particular gene (say, W1, W2, and W3), how many diff
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Answer:

The correct answer is 6 genotypes

Explanation:

The most known case is two alleles of one gene (A and a), and we know the possible genotypes formed are three: AA, Aa, aa. Therefore, for a given number of alleles n, we calculate the number of possible genotypes as the sum of integers between 1 and n.

- For 2 alleles (n=2, the sum of integers between 1 and 2): Genotypes= 1 + 2= 3

⇒ For 3 alleles (n=3, the sum of integers between 1 and 3): Genotypes= 1 + 2 + 3= 6

So, we have 6 genotypes for 3 alleles (W1, W2 and W3) and they are:

W1W1

W1W2

W1W3

W2W2

W2W3

W3W3

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3 years ago
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