BIOLOGY HIGH SCHOOL

Do the results shown in Figure 19.5 prove conclusively that histone modifications are causing reduced Hnf4a gene transcription? Why or why not?Do the results shown in Figure 19.5 prove conclusively that histone modifications are causing reduced Hnf4a gene transcription? Why or why not?
No, because histone modifications do not affect transcription
No, because the results demonstrate only a correlation between altered histone modifications and reduced transcription
Yes, because the observed changes in histone modifications are consistent with reduced transcription.
Yes, because histone modification is the only regulatory mechanism that could affect transcription

Answers

Answer 1
Answer: The correct answer for the question that is being presented above is this one: "Yes, because the observed changes in histone modifications are consistent with reduced transcription." The results shown in Figure 19.5 prove conclusively that histone modifications are causing reduced Hnf4a gene transcription because the observed changes in histone modifications are consistent with reduced transcription.

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Answers

The answer is definitely B

A person who has allergies has a compromised immune system because the body's immune system.attacks its healthy cells.

overreacts to an antigen.

steals nutrients from healthy cells

Responds to mutagensPlease Wait

Answers

A person who has allergies has them because his or her body over reacts to a material that would otherwise be ignored. It is an overreaction of the immune system triggering a immune attack response that is unneeded. For instance, A person with a peanut allergy has a body whose immune system flags the peanut protein as an intruder and attacks it. It produces antibodies and causes growning reactions that can be life threatening and cause anaphylaxis.

Answer: Overreacts to an antigen

Explanation:

Yes

A round Hollow Rock that is lined with mineral crystals is known as a

Answers

It is a geode that is lined with minerals
A round Hollow Rock that is lined with mineral crystals is known as a geode.

The animals that were the first to develop four limbs were__________

Answers

(BIRDS)
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Where is the best position for a lamp you use to read in the dark?

Answers

The best position for a lamp is your lamp behind your left shoulder if you're right-handed, and behind your right shoulder if you're left-handed. This way, your hand won't overshadow your words as you write or read.

What are the solution (s) to quadratic equation X2-25=0?

Answers

Answer:

Solution to the given quadratic equation is +5 and -5.

Explanation:

Quadratic equation: These are equation with degree 2 power of variable is squared. they are generally in the form :

ax^2+bx+c=0

The given quadratic equation:

x^2-25=0

x^2=25

x=√(25)

x = ± 5

Solution to the given quadratic equation is +5 and -5.
that should be x^2-25=0, which is x^2= 25, x=5 x= -5
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