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svlad2 [7]
3 years ago
12

I NEED HELP WITH THIS ASAP!!!!!!

Biology
1 answer:
Verdich [7]3 years ago
3 0
Just multiply those two numbers i think
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I need help asap please and thank you!
Aneli [31]

Answer:

They formed from a cloud of dust and gas.

Explanation:

A nebula is where the formation of stars takes place, so the Nebula Theory would pertain to the planets forming in the same way.

4 0
3 years ago
In which ways can the individual steps of this process be regulated to lead to higher or lower expression of a particular protei
Dahasolnce [82]

Answer:

There are many points at which eukaryotic gene expression can be controlled, through pretranscriptional control, transcriptional control, and posttranscriptional control

Explanation:

The pretranscriptional control determines the accessibility of chromatin to the transcription machinery. It is affected by supercoiling and methylation. It is also known as epigenetic regulation, and it does not depend on the sequence but on the conformation of the DNA.

While transcriptional control determines the frequency and / or speed of transcription initiation through the accessibility of the start sites, the availability of transcription factors and the effectiveness of promoters.

The post-transcriptional control is the one that is exercised once the transcript has finished synthesizing. It can be of several types:

• Maturation control: As the RNA adjustment can be made.

• Transport control: Most RNA has to go out to the cytoplasm to perform its function. For this they have to cross the pores of the nuclear membrane, where you can select the RNAs that will be transported and those that will not.

• Stability control: The half-life of RNA can be regulated by the expression of RNAs or mRNA stabilizing proteins in the cytoplasm.

• Translational control: It is exercised on the frequency with which the mRNAs begin to be translated. It can also affect the frequency with which proteins mature and the availability of enzymatic effectors.

6 0
3 years ago
As an action potential occurs, the neuron's electrical charge changes from _____ to _____.
Svetach [21]
The answer is b. Positive; negative 
6 0
3 years ago
Read 2 more answers
A type of covalent bond where electrons are shared unequally. T/F
Colt1911 [192]

Answer:

True, polar covalent bond

Explanation:

A covalent bond is one of the types of the chemical bond which is formed when the electrons are shared between the two atoms.

Based on the magnitude of the sharing of electrons between atoms two types of covalent bonds are formed which are: pure covalent bond in which the electrons are shared equally whereas the polar covalent bond in which the electrons are shared unequally between two atoms.

Since there is a type of covalent bond formed which has unequal sharing of electrons called polar covalent bond therefore true is the correct answer.

5 0
3 years ago
A car turns to the left at 20km/h. is the force acting on the car
Slav-nsk [51]

What kind of force? There are lots of forces acting on the car at this point.


3 0
3 years ago
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