Use the term "selectively permeable " in a sentence that demonstrates its meaning

1 answer:

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First, you should know that selectively permeable is anexpression that defines the property of a membrane that allows some molecules to croos in and out it but not others. A sentence that you can use to let this term clear is that " slectively permeable or the croos of a membrane by only some substances but not other is the process that underlyas osmosis"

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Its important because if you repeat you'll get consistent results.

2. That means if a scientist gets different results it means they did something wrong in the experiment

Explanation:

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There may be a decrease in cellular respiration

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The antiparallel arrangement within DNA molecules refers to Select one:

mylen [45]

Answer:

c. one helix strand that runs from the 5' to 3' direction and the other strand runs from the 3' to 5' direction.

Explanation:

A DNA molecule has two strands of nucleotides with a sugar phosphate backbone each, but orientated on the opposite direction allowing for the base pairs to complement one another, making it a more stable structure. When two biopolymers run parallel to each other but with opposite directionality (alignment) we have an antiparallel arrangement.

I annexed an image of the DNA structure.

I hope you find this information useful and interesting! Good luck!

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Many cells make and use an enzyme, called catalase, to facilitate the decomposition of hydrogen peroxide (H2O2). The products of

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Answer:

A. It decreases the activation energy needed to start the reaction

Explanation:

Organic catalyst which speed up the rate of organic chemical reaction is living cells are called enzymes.They have specific reaction site called active sites.This must be in prefect shape with the substrate for the organic chemical reaction to take place

When this occurs the minimum amount of energy of reaction to activate or stimulate the the atoms and molecules of the substrate to undergo chemical reaction is lowered.This energy of reaction is celled activation energy.

Catalase thought its active sites lowers the activation energy so that the molecules of H2O2 could break down to C02 and H2 faster,thereby reducing the time for theses product to form.The is the general roles of enzyme.To increase the rate of chemical reaction,by reducing the activation energy.

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