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Lerok [7]
2 years ago
6

Why were color and seed shape in pea plants good traits for Mendel to study? Chapter 6

Biology
1 answer:
AnnyKZ [126]2 years ago
7 0

Answer: Peas exhibit a variety of contrasting traits (purple vs. white flowers; round vs. wrinkled seeds). The shape of the pea flower protected it from foreign pollen.

Explanation:

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What does glucose get broken down to and where does it happen
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Answer:

Pyruvate; Cytoplasm

Explanation:

Glucose breaks down to pyruvate in the cell cytoplasm upon signal by the hormone insulin in the presence of excess glucose in the blood system through the glycolytic pathway

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2 years ago
The membrane potential of a nerve cell will depolarize (become less negative) if there is an INCREASE in the __.
slava [35]

Answer:

The membrane potential of a nerve cell will depolarize if there is an increase in the positive ions inside the cell.

Explanation:

When nerves are in resting potential it is -70mV. In this stage interior of the cell is negatively charged and outside is more positive. When depolarization occurs the inside cell becomes positive.

This is due to the rush of sodium ions into the cell by voltage-gated channels. Now the inside charge is more positive and the chloride ions move out of the cell. Thus outside becomes more negative.

After some time of depolarization stage, potassium ions move out of the cell making the nerve cell again negative. Now the depolarized stage becomes repolarized by the entry of potassium ions.

During depolarization, the potential of the cell is -55mV.  When repolarization occurs, it is again -70mV. But the potassium channels are open and some of the potassium ions move out of the cell making the inside environment more negative. This is known as hyperpolarization condition.  

This hyperpolarization remains for a short period where action potential can't occur. This period is called the refractory period. Again potassium ions enter into the cell. This results in the resting potential of the neuron again.

6 0
3 years ago
The photograph shows soil layers in a grassland. the upper layer is a band of
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Answer: subsoil B

Explanation:

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He family tree below shows the trait of color blindness. the only unknown is the father in the first generation. what must be tr
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You are assigned to conduct a science experiment, and to record the results. according to scientific protocol, results are to be
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