What happens when there is an error with the cell cycle?

Answers

Answer 1

Answer: During the cell cycle there are three check points to make sure there is no errors. But if there is still an error after the cell cycle the cell would grow abnormally and will become cancer.

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Many soils can be distinguished from other samples by their color and texture. True False

Answers

the answer is true

i hope i helped

The answer is true . Many soils can be distinguished from other samples by their color or texture

Putting your money in separate envelopes for each category of your budget is NOT a wise budget method. A. True B. False

Answers

Answer:

False

Explanation:

It's good method so you don't use your important money or use all of your money .

Answer:

false

Explanation:

just because

Which of the following statements does NOT contribute to the evidence in support of evolution?(A) Sequences of fossils have been found that show a gradual series of changes in form among organisms.
(B) Species thought to be related through evolution from a common ancestor show many anatomical similarities.
(C) The stages of embryological development in animals are quite similar among highly diverse types of organisms.
(D) Similarities in chromosome structure, DNA sequence, and amino acid sequence suggest relationships among organisms descending through evolution from a common ancestor.
(E) The most well adapted individuals do not always produce the most fit offspring.

Answers

Definitely option E! This refers to exceptions to the 'survival of the fittest' - but the theory still holds despite these anomalies.

What are the roles of allolactose in the lac operon and tryptophan in the trp operon?

Answers

The answer is allolactose is an inducer while tryptophan is corepressor in the trp operon.

The trp operon is a group of genes transcribed together that code for the synthesis of tryptophan (trp). It is present in many bacteria.
In the trp operon, allolactose binds to and deactivates Lacl. Since LacI is the repressor of the lac operon genes, its deactivation allows the lac operon transcription. Therefore, allolactose is the inducer.
In the trp operon, tryptophan binds to and activates TrpR. Since TrpR is the repressor of the trp operon, its activation stops the trp operon transcription. Therefore, tryptophan is the repressor.

What are the roles of allolactose in the lac operon and tryptophan in the trp operon?

The function of allolactose in regulation of the lac operon is that the allolactose acts as an inducer. Tryptophan acts as a corepressor that causes the trp repressor to bind to the trp operon and repress transcription.

Answer: A) allolactose acts as an inducer and tryptophan acts as a corepressor.

I hope it helps, Regards.

How could you identify the unmarked poles of a magnet?

Answers

Answer: A magnet has two poles that is north pole and south pole. From the directional property of the magnet, we know that whenever a magnet is freely suspended, it is always aligned along the north and south direction of the earth.

It can also be identified using a test magnet whose poles are already known. From attraction property of magnet, we know that unlike poles attract with each other and like poles repel each other. Therefore, the pole of unknown magnet that attract to the south pole of the known magnet will be north pole and the other will be south pole.

Thus, by freely suspending the magnet and by using a test magnet, the unmarked poles of the magnet could be easily identified.

You can identify the unmarked poles of a magnet using different techniques.
1) Get a marked magnet to know the north and south poles of the unmarked magnet. North of the marked magnet attracts the south of another magnet.
2) Using a compass - the north of the unmarked magnet aligns tot he north of the compass

Which two atoms form an ionic bond?A. Two sodium atoms
B. Two oxygen atoms
C. Sodium and bromine
D. Fluorine and chlorine

Answers

Answer:

Sodium and bromine

Explanation:

Ionic bond is a type of chemical bond and binds the chemical molecules together. Ionic bond is formed by the transfer of electrons from an electropositive element ( metal) to the electronegative element (non metal).

Sodium is an electropositive element and contains one positive charge. Bromine is an electronegative element with a single negative charge over it. Sodium gives the electron to bromine and results in the formation of ionic bond.

Thus, the correct answer is option (C).

Sodium and bromine would form an ionic bond. The one valence electron from sodium would be transferred to the bromine atom in order to obtain octet for both.

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Genetic exchange between organisms living at the same time in the same environment is considered to be ____.