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Viktor [21]
3 years ago
15

What’s the definition of : Chromosomes? DNA ? Genes ?

Biology
1 answer:
Brrunno [24]3 years ago
6 0

Answer:

A chromosome is a long DNA molecule with part or all of the genetic material of an organism. Most eukaryotic chromosomes include packaging proteins called histones which, aided by chaperone proteins, bind to and condense the DNA molecule to maintain its integrity

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A Ligustrum plant cell is exposed to an aqueous solution having sodium and chloride concentrations higher than the sodium and ch
e-lub [12.9K]
What following ? actually the cell will gain more water by diffusion and will let more sodium chloride ions in because they will move from high concentration to low concentration
6 0
3 years ago
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What is the ecological system called that consists of all of its biotic and abiotic factors?
prisoha [69]

The ecosystem is an ecological system consisting of all of its biotic and abiotic factors

7 0
3 years ago
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(b) Identify the dependent variable in the experiments. Identify a control group missing from the second experiment. Justify the
hammer [34]

Hello. You have not submitted the experiments to which this question refers, which makes it impossible for it to be answered. However, I will try to help you in the best possible way.

A dependent variable is one that is influenced by an element, in order to present a result, that is, it is a variable that does not establish itself, being dependent on another variable to establish itself. An example of a dependent variable can be seen in an experiment that seeks to determine the differences in growth rates of bean plants that were fertilized with different organic fertilizers. As you can see, this is an experiment where the different organic fertilizers influence differences in the growth rate of bean plants. Thus, the growth of these plants depends on the fertilizer, this growth being the variable dependent on the experiment.

A control group, in turn, is an element of the experiment that does not receive the element that is being tested in the same experiment. The control group is important, because it allows the researcher to see the results of a system where the tested element does not exist, thus being able to determine the real differences that the tested element is capable of causing. Using the same example presented in the paragraph above, we can see that the different organic fertilizers are the elements tested in the experiment. These fertilizers will be applied to the plants, however it is important that at least one of these plants does not receive any fertilizer, so that the difference between a system with fertilizer and a system without fertilizer can be evaluated. This plant that received no fertilizer is the control group.

4 0
3 years ago
Which cellular change in an organism could be inherited by
elixir [45]
The answer is 3

Hope that helps! :)
7 0
3 years ago
1. results in no motion of the object because forces are equal and in opposite directions
sammy [17]

Answer:

Balanced Forces

Explanation:

When the forces acting on an object have equal strength and act in opposite directions, they are balanced.When the forces acting on an object are unbalanced, they do not cancel out one another.

8 0
3 years ago
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