The pipettes can basically be characterized into five grades. these grades includes the serological, disposable, repeat, single channel and multi-channel pipette. The guidelines for the usage of each of these pipettes differ. However, some instructions are common, such as the control of the flow of liquid. The index finger is used for the purpose of controlling the flow of the liquid from the pipette.
Hence, the answer is 'index finger'.
Answer:
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. (I'm sorry this is about Pollution, it should be about Pollination, I misread it sorry,)
Pollination:
Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. One of the ways that plants can produce offspring is by making seeds.
Answer:
A. Done some research
Explanation:
You need to have an idea of what you are working with. So, to make a good hypothesis, you need to have an idea on what the experiment is. The hypothesis comes before you design a procedure or even start working on the experiment.
And BTW, you can't logically do option D. Science doesn't work that way. The Scientific Method is used to collect observations and evidence and piece them together to come to a conclusion.
Hope that helped. :)
The correct option is D) <span>The products of the reaction are released from the active sites of the enzyme, allowing other substrate molecules to bind with the sites.
Enzymes are protein molecules which have a specific shape complimentary to the substance they act on, known as the substrate. The region where the reaction occurs is the enzyme's active site. However, when the reaction is complete, the products leave the active site and the enzyme is once again available for reaction. This means that the enzyme is unchanged through the reaction. This is why enzymes are known as biological catalysts.
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A cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular organisms, e.g. bacteria, protozoa, etc.), or as the structural or fundamental unit in a biological tissue specialized to perform a particular function in multicellular organisms (e.g. plants and animals).
