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sergey [27]
3 years ago
8

Which base is normally used in the synthesis (making) of RNA but not in the synthesis (making) of DNA?

Biology
1 answer:
Sphinxa [80]3 years ago
7 0

Uracil......... Is the answer i could find.

:3

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Molluscs share a three-part body plan consisting of a _________.
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In general, most mollusks share a three-part body plan containing of a visceral mass, mantle, and foot. The bivalves which is part of the mollusk groups typically contains of sedentary animals that use mucus-coated gills to trap fine food constituent part as water is impelled in the middle of two hinged shells surrounding the body.
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What organelle is responsible for making enzymes?
kramer

Answer:

protein

Explanation:

enzymes are made up of proteins so eating things with protein in it like meat is important or you can get really sick

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A student observed the image and claimed that the frog takes its food by sucking. Is the claim made by the student correct
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No; the frog is eating food as a whole, so its mode of feeding is swallowing

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A computational biologist develops a computationally intensive program for DNA sequence alignment. When they use distributed com
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Answer: The program completed in a quarter of the time with four computers versus one computer

Explanation:

Distributed computing simply means using distributed systems in solving computational problems and this is done as the problem is divided into many tasks, whereby the tasks are accomplished by one or more computers.

Following the information given in the question, a speedup of 4 indicate that the program completed in a quarter of the time with four computers versus one computer.

4 0
3 years ago
Which of the following statements correctly describes some aspect of ATP hydrolysis being used to drive the active transport of
saw5 [17]

Answer:

B) This is an example of energy coupling

Explanation:

Energy coupling is a process by which cells carry out thermodynamically unfavorable, endergonic (energy-requiring) reactions to other exergonic (reactions that liberate free energy) reactions.

Reactions which are endergonic do not occur spontaneously as they result in a decrease in entropy and a positive free energy change, ∆G.

Exergonic reactions occur spontaneously as they result in an increase in entropy and have a negative free energy change, ∆G.

For example, the active transport of ions against their concentration gradients in cells is a non-spontaneous endergonic process which is coupled to the hydrolysis of ATP, an exergonic process in other for the reaction to proceed. ATP hydrolysis phosphorylates an amino acid side chain in the transport protein which then drives the forward process of transport of the ion.

Considering the above,

Option A: The hydrolysis of ATP is endergonic, and the active transport is exergonic is false because ATP hydrolysis is exergonic while active transport is endergonic.

Option B: This is an example of energy coupling is true.

Option C: Both ATP hydrolysis and active transport are spontaneous because they result in an increase in entropy of the system is false because only ATP hydrolysis is spontaneous

Option D: Neither ATP hydrolysis nor active transport is spontaneous is false because ATP hydrolysis is spontaneous.

Option E: ATP is acting as a transport protein to facilitate the movement of the ion across the plasma membrane is false because ATP is not a protein, rather it serves to activate the transport protein by phosphorylating it.

8 0
3 years ago
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