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zepelin [54]
3 years ago
15

In an experiment, the group that is exposed to the variable to be tested is called the _______.

Biology
1 answer:
valentinak56 [21]3 years ago
5 0

Answer:

Experimental group

Explanation:

The experimental group is the group that is exposed to the independent variable which is being tested in the experiment. For example, in an experiment to test if the nucleus is required for the survival of amoeba, some of the amoeba cells were enucleated. The enucleated amoeba cells represent the experimental group here.

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Which organisms are most closely related?
Tju [1.3M]

Answer:

The answer is B. Mergus serrator and Mergus merganser

Explanation:

  • <u><em>They are ducks and they are closley related.</em></u>
6 0
2 years ago
) consider the trait of courage. describe the advantages and limitations of obtaining informant report data for this trait.
mariarad [96]
The advantages and limitations of obtaining informant report data for the courage trait are;
Advantages include; 
Large amount of information
Definitional truth based on the observed acts of courage.
Limitations on the other hand include; 
Very little behavioral data,
Error; much more likely to remember acts of courage than non-courageous acts.

8 0
4 years ago
Which picture below shows an atom with 4 valence electrons?
Nikolay [14]

Answer:

Be

Explanation:

its B bc theres 4 elections

3 0
4 years ago
Bob had a cyst removed from his liver. The doctor told him the liver cells would grow back and repair the area. These liver cell
Dmitry_Shevchenko [17]

Answer: The correct answer to the fill in the blank is Mitosis.

Mitosis is a type of cell division that results in the formation of two daughter cells having the same number of chromosomes as compared to their parent cell. Thus, by producing more number of identical cells, mitosis helps in the growth and repair of tissues.

Thus, after removal of cyst from the liver of Bob, the cells would grow and repair the area through mitosis.  

6 0
3 years ago
Read 2 more answers
Explain how the resting potential is created and maintained. (sodium potassium pump) What happens when sodium comes in and potas
MAVERICK [17]

Answer:

The resting membrane potential is created and maintained due to the difference in the total charge or ions present outside and inside of the cell. The resting membrane potential depolarize if sodium come in and and potassium leaves the cell.

Explanation:

The resting membrane is maintained and created by the distribution of potassium and sodium ions. The membrane potential of a resting cell is -70mV (negative) because more sodium ions is present outside the cell than the potassium ions present inside the cell.

When the sodium ions enter inside the cell and potassium ions move outside the cell, the inside of the cell becomes more positive as compared to the outside and the membrane potential changes from -70 mV to +30 mV. The cells will depolarize due to the accumulation of sodium ions inside the cell.

7 0
4 years ago
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