For an experiment performed in the laboratory to be effective, a controlled environment is essential.
A laboratory will help to increase the reliability of hypothesis testing, as there will be less interference from the external environment in the experiment.
The design of the laboratory must then be aligned with the needs of the experiment, providing materials and an environment necessary for carrying out the experiment and learning.
<h3 /><h3>What is a scientific experiment?</h3>
Corresponds to a scientific methodology used to test hypotheses on a topic, through the manipulation and control of variables to prove or disprove an assumption.
Therefore, a scientific experiment carried out in the laboratory will help to reduce bias and interference, generating greater reliability in the results found.
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☁️ Answer ☁️
True.
chlorophyll is the only pigment, which gives green colour to the plants
Chlorophyll gives plants their green color because it does not absorb the green wavelengths of white light.
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There are two major sources of energy that power the earth's environmental systems, these are SUN AND THE EARTH'S INTERIOR HEAT.
The heat energy from the sun is the one responsible for processing all the external processes that occur in the atmosphere, hydrosphere and on the earth surface.
The energy from the earth's interior is the one that is respondsible for powering the internal processes that produce earthquakes, volcanoes eruptions and mountain formation.
Answer:
The Nucleus
Explanation:
The nucleus is the most important part of a cell. It is the “information” headquarters and is in charge of the cellular activities. It contains the information that will tell the cell what to do, what to make, and when to divide. A nucleus is a small and very powerful part of a cell.
Answer:
d) Y, X, Z
Explanation:
Mutant I only grows when the medium is supplemented with Z. So Z is the final product of biochemical pathway since supplying other intermediates do not lead to any growth.
Mutant III can grow if medium is supplemented with X and Z but not with Y. This means that Y is the first intermediate in this pathway since mutant III is not able to convert it into X and hence needs to be supplemented with next intermediate product X for growth.
Hence the correct order of X, Y and Z in this biochemical pathway is Y, X, Z.
