How does the amount of substrate affect the reaction rate? As the amount of substrate increases the reaction rate ________.

1 answer:

6 0

As the amount of substrate increases the reaction rate increases until it reaches a maximum rate (Vmax) to which it remains constant.

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In her laboratory journal, a microbiologist enters the following information: “Some mold growth was seen on the agar plate that

Irina-Kira [14]

I believe it would be an observation
Observation in scientific process refers to gathering facts and information. In this particular context, we could see that the microbiologist is simply stating what he/she saw on the mold on the agar plate. The microbiologist simply writing down all the facts without making any explanation or assumption.

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3 years ago

Thymine in DNA occurs as the result of thymidylate synthase creating _______, which then undergoes _______ to _______, then to _

tensa zangetsu [6.8K]

Answer:

Thymine in DNA occurs as the result of thymidylate synthase creating deoxythymidine monophosphate (dTMP), which then undergoes phosphorylation to deoxythymidine diphosphate (dTDP), then to Deoxythymidine triphosphate (dTTP), and incorporated into DNA by the DNA polymerase (DNA pol). Thymine in tRNA arises post-transcriptionally, by S-adenosylmethionine-dependent methylation of a uridine 5'-monophosphate (UMP) residue in RNA.

Explanation:

Thymidylate synthase is an enzyme involved in <em>de novo</em> DNA synthesis. This enzyme (thymidylate synthase) catalyzes the transfer of the one-carbon group from 5,10-methylene-tetrahydrofolate (5,10-CH2-THF) to deoxyuridine monophosphate (dUMP) and subsequent methylation to produce deoxythymidine monophosphate (dTMP), which is then phosphorylated to deoxythymidine triphosphate (dTTP) by kinases and incorporated into DNA. On the other hand, specific tRNA methylases catalyze the methylation of transference RNA (tRNA) by using S-adenosylmethionine as a methyl donor. Since tRNA methylation is a post-transcriptional modification, this chemical reaction is considered an epitranscriptomic modification on the RNA molecule.

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3 years ago

Earth Science <br><br> How much of the earth is water and how much of the earth is land?

Fantom [35]

Answer:

In simplest terms, water makes up about 71% of the Earth's surface, while the other 29% consists of continents and islands.

Explanation:

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2 years ago

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Energy conservation in thioesters, acetyl-CoA and succinyl-CoA:

enot [183]

Answer:

B. ensure the production of GTP in the case of succinyl-CoA

Explanation:

Succinyl CoA like acetyl-CoA has a thioester bond with very negative free energy of hydrolysis. In this reaction, hydrolysis of the thioester bond leads to the formation of phosphoester bond with inorganic phosphate. This phosphate is transferred to histidine residue of the enzyme and this high energy unstable phosphate is finall transferred to GDP resulting in generation of GTP.

Hence the answer is B. ensure the production of GTP in the case of succinyl-CoA.

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3 years ago

A student sees several ants walking up a wall following the exact same trail that an ant took earlier. She wants to apply the sc

BARSIC [14]

<h2>Answer is option "D"</h2>

Explanation:

Ants rummage to discover nourishment and take it back to the state. On the off chance that they go over nourishment things that are excessively huge or substantial for a solitary individual to convey, a few species can frame groups to agreeably convey these things to the home. This aggregate route process relies on the navigational capacities of the individual ants.
The direction capacity required of selected people is to follow the aroma of the path, which is kept crisp by the continuous checking conduct of the foragers, as modest drops of the path pheromone are laid on the substrate (e.g., ground, tree trunks).
That is the manner by which the ants manage two contending trails of various lengths; the more drawn out course will turn out to be less and less engaging as an ever increasing number of individual specialists are pulled in by the more grounded smell of the shorter way.
Hence, the right answer is option D "Hypothesize that the ants are following a scent trall that the first ant left".

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3 years ago

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