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Brut [27]
3 years ago
5

A science club has 16 members. How many ways can a president, a vice president, and a treasurer be selected from the members?

Biology
1 answer:
boyakko [2]3 years ago
3 0

Answer:

The answer would be D. 3,360

Explanation:

The solution is found by multiplying 16 times 15 times 14. The club has 16 members and after one role (president) is filled, there are 15 left to fill the next (vice). The same goes for the next role (treasurer). So 16 is multiplied with 15, then 14. This is more of a math question that biology btw.

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Which of the following is maintained across the terminals of a battery?
astraxan [27]

Answer:

Option D, both A and B

Explanation:

The potential difference is created across a battery (between its two terminal –one positive and the other one negative) when work is done to move a charge from one point to another. This potential difference is measured in volts. 1 volt is the potential difference between two points when one joule of potential energy is spent to move a charge of one coulomb from one point to the other.  

Voltage drop across a circuit is the amount of electric current lost due to resistance/ impedance with in the cables of the circuit.  

Hence, both potential difference and voltage drop occurs across the circuit,  

Option D is correct.

4 0
3 years ago
The electrical current that travels down the axon of a neuron is known as what?
sattari [20]

Answer:

A nerve impulse

Explanation:

It's important to note that these signals not only connect the brain and spinal cord, but they also send signals to muscles and glands. People talk about nerve impulses when they talk about the electrical signal that goes down an axon.

7 0
2 years ago
Loss of muscle coordination results from the damage to what?
kompoz [17]

This is ataxia caused by a dysfunction of the cerebellum - a region of the brain involved in the assimilation of sensory perception, coordination, and motor control. Cerebellar ataxia can cause neurological problems such as: ... lack of coordination between organs, muscles, limbs, or joints.

6 0
3 years ago
A research group has discovered an organism with cells that contain a previously undescribed organelle. They do some tests on th
Vlad [161]

Answer:

The suitable option will be - B

Citric acid cycle

Explanation:

The results were -

Glucose: None

CO2: Increase

O2: None

ATP: Increase

NADH: Increase

  • We know that the Citric acid cycle is also known as the TCA cycle (tricarboxylic acid cycle) or the Krebs cycle. This cycle occurs in Mitochondria in case of eukaryotes. In this cycle acetyl-CoA is oxidized which comes from carbohydrates, proteins and fats and energy is released in the form of ATP.  
  • water is also used in this process. NAD+ gets reduced to NADPH. In this system carbon dioxide is produced as a waste byproduct. ATP is produced as the main product. ATP is also used as a source of energy.

6 0
3 years ago
In high-income countries, which age range(s) contained the largest percentage of the population and which age range(s) contained
Reika [66]
The highest between 25 and 50;the lowest between 55 and 74
4 0
3 years ago
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