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Serggg [28]
3 years ago
13

What is a independent variable in science?

Biology
1 answer:
Elena-2011 [213]3 years ago
3 0
It is the variable being controlled/changed to see if there are any effects on the dependent variable (the thing getting tested/measured)
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Where do scientist get restriction enzymes​
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Vertical structural members that exterior wall sheathing and siding may be attached to are called:
kap26 [50]

The Answer is Studs.

Vertical structural members are called Studs. This is the term which is used in construction. There are exterior and interior walls which are framed, these walls are known as bearing walls, and some are also non- bearing. Whenever there is foundation in a place, after the first floor deck these bearing walls are formed.

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7 0
3 years ago
The molecular basis of the Gram stain is the amount of _______ in the bacterial cell wall. bacteriophage spirochete peptidoglyca
Anna11 [10]
<h3><u>Answer;</u></h3>

peptidoglycan

The molecular basis of the Gram stain is the amount of<u> peptidoglycan</u> in the bacterial cell wall.

<h3><u>Explanation</u>;</h3>
  • Gram stain is differential stain that is very useful for identifying and classifying bacteria as either gram negative or gram positive.
  • Gram negative are those that decolorize easily, such as E. coli, while Gram positive are those that retain the primary stain and do not decolorize easily.
  • The result depends on the bacteria cell wall structure, the cell wall of a Gram-negative bacterium is composed of 20 percent or less of peptidoglycan.
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How long can humans hold their breath underwater?
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The average is 3.4 minutes
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