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Romashka [77]
2 years ago
12

What is the role of lysozyme?

Biology
2 answers:
Y_Kistochka [10]2 years ago
5 0

breaks down the cell wall of bacteria

Igoryamba2 years ago
5 0

Answer:

ITS B!

Explanation:

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For children who do not have galactosemia, what are their possible genotypes for this trait?
Ilia_Sergeevich [38]

Answer:

The correct answers are "heterozygous", and "homozygous dominant".

Explanation:

Galactosemia is a condition where people are not able to process the sugar galactose. People with this condition have one gene mutated, which does not allow the proper synthesis of the enzyme that breaks down galactose. Galactosemia is inherited as an autosomal recessive genetic condition, therefore, only children that are homozygous recessive develop the condition. Children that are heterozygous or homozygous dominant, will not develop galactosemia.

4 0
3 years ago
Read 2 more answers
Action potential in a motor neuron triggers the release of what neurotransmitter?
vodomira [7]

Answer:

Action potential in a motor neuron triggers the release of acetylcholine (ACh) neurotransmitter.

Explanation:

Acetylcholine: It is a neurotransmitter released by motor neurons which bind to the receptors end plates of the motor. When an action potential travel down the motor neuron's axon, neurotransmitter release occurs resulting in an influx of calcium and altered permeability of the synaptic terminal membrane.

The Ca2+ ions allow synaptic vesicles to move and bind with the presynaptic membrane which is present on the neuron and released neurotransmitter from the vesicles into the synaptic cleft. Once it's released ACh diffusion occurs across the synaptic cleft to the motor end plate, and binds with ACh receptor. As the neurotransmitter ACh binds, these ions channel open and sodium ions cross the membrane into the muscle cells.

In this phase reduction of voltage inside and outside the cell occurs, which is known as depolarization. When ACh binds to the motor end plate this depolarization is known as end plate potential. Then depolarization spread with the sarcolemma and creating an action potential. This action potential moves the entire cell and creating a wave of depolarization.

5 0
2 years ago
Which of the following is the most abundant group of organisms on Earth?
zzz [600]

It is bacteria just took the test

6 0
3 years ago
How many million years ago did all of North America move north of the Equator?
RUDIKE [14]

Answer:

not sure tbh

Explanation:

...................... Sorry I'm running low on points

5 0
2 years ago
Which is an exotic companion animal?
Andrew [12]

Answer:

d ferret is an exotic animal

5 0
2 years ago
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