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maksim [4K]
2 years ago
14

The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that

Biology
1 answer:
katovenus [111]2 years ago
8 0

Question is a multiple choice question.

Answer:

Question 1. The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that:

Answer:

(C)

Explanation:

YACs and BACs can carry much larger DNA fragments than ordinary plasmids can.

Question 2. Simply inserting an entire eukaryotic gene into a prokaryotic expression system will most likely not work for the following reason.

Answer:

(B)

Explanation:

Prokaryotes lack introns

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Give an example of a molecule that is unable to pass through the cell membrane<br> Explain why
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Hello!

To answer your question:

The cell membrane's main trait is its selective permeability, which means that it allows some substances to cross it easily, but not others. Small molecules that are nonpolar (have no charge) can cross the membrane easily through diffusion, but ions (charged molecules) and larger molecules typically cannot.

Two examples are:

Charged Ions

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Large Polar Molecules

Large uncharged molecules, such as glucose, also cannot easily permeate the cell membrane.

Hope this helps!

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2 years ago
When Mr. Valdez thought his 1-year-old daughter had fallen down the stairs, his heartbeat accelerated, his blood pressure rose,
prohojiy [21]

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A thin flexible semipermeable barrier around the cell which regulates what enters and leaves the cell
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That is the cell membrane. Think of it as a gate around a city, that is how I remember it. The city is the cell, and the cell membrane is the gate that "protects" the city, and controls what can enter and exit.


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