1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dlinn [17]
3 years ago
6

Which of the following modifications are most likely to result in the formation of euchromatin?

Biology
1 answer:
ahrayia [7]3 years ago
3 0

A

Euchromatic is the less densely packed regions of DNA that are accessible to transcription proteins and enzymes like RNA polymerase. Euchromatic have fewer nucleosomes (as a result of fewer histone complexes), unlike heterochromatic regions.

Explanation:

Acetylation of lysine residues in histones removes the positive charges of the residues that allow the histones tails to interact with the negatively-charged phosphates of DNA. This reduced interaction means fewer nucleosomes in the DNA region hence a more relaxed state (euchromatin) of DNA.

DNA methylation, on the other, is the addition of a methyl group to CpG regions of DNA. This makes the DNA more interactive with histone tails. The regions, therefore, become tightly packed into nucleosomes hence making it condensed and inaccessible to proteins and enzymes like RNA polymerase.

Learn More:

For more on DNA methylation and histone modification check out;

brainly.com/question/11638124

brainly.com/question/13991822

#LearnWithBrainly

You might be interested in
Can someone help me plz
amid [387]

Answer:

I-

Explanation:

5 0
3 years ago
Differentiate between density-dependent and
Setler [38]

Answer/Explanation:

Density-dependent limiting factors are non living and biotic factors that affect the size and growth of a population based on the population density, while density-independent limiting factors are those factors that do not depend on the density of a population before they can have an effect on the growth and size of the population.

Examples of density-dependent limiting factors are predation, disease, Parasitism, competition. These rely on the density of a population in order to affect the growth and size of a population.

On the other hand, examples of density-independent limiting factors are pollution, flood, temperature.

8 0
3 years ago
Read 2 more answers
Damage to a brain area called the _____ would MOST likely interfere with learning a conditioned fear response to the sight of a
ELEN [110]

Answer:

The options

A)hippocampus

B)basal ganglia

C)hypothalamus

D)cerebellum

The CORRECT ANSWER IS D)

D)cerebellum

Explanation:

Apart from the coordinating process, the cerebellum is involved in motor learning, emotional behavior, and fear memory.

Fear learning is widely shown in the variation of autonomic and somatic responses, as in heart rate and freezing, promoted by a neutral stimulus which could have been formally grouped with a painful one.

Variation or changes of the vermis influences these responses, and its reversible inactivation in the period of consolidation which is seen to impair fear memory.

The neural correlate of cerebellar activities in fear consolidation is shown by a behaviorally promoted long-term rise of synaptic effectiveness and efficiencies among parallel fibers and a Purkinje cell.

Likely synaptic variations after fear conditioning are well fully observed in the amygdala and hippocampus, suggesting an interplay among emotional circumstances of scenario and the different variations in neural process.

Furthermore, in hotfoot mice, that shows a basic lack of parallel fiber to Purkinje cell synapse, short- and long-term fear memories are influenced.

All these data gives a foundational background on the concept that the cerebellum is majorly involved in fear learning.

The functional interplay of the vermis with hypothalamus, amygdala, and hippocampus do infer to a more complex activities of the cerebellum as a form of an united network that basically influences emotional behavior.

8 0
3 years ago
Read 2 more answers
Red blood cells are a type of specialized cell that move _______ and carbon dioxide throughout the body.
lidiya [134]

Answer:

Red blood cells are a type of specialized cell that move <u>oxygen </u>and carbon dioxide throughout the body.

A structure made of two or more tissues working together to achieve a common function is a/an <u>an</u><u> </u><u>organ</u><u> </u>

<u>cellular </u><u>defferentiation</u><u> </u>describes the degree of specialization that a cell is able to undergo.

A/An <u>embroynic</u><u> </u>stem cell can differentiate into all cell types found within an embryo.

In <u>cytoplasm</u> organisms, all cellular activities take place within a single cell.

7 0
2 years ago
Animal body systems often coordinate their actions to carry out specific functions for the whole animal. Which of these correctl
Colt1911 [192]

Answer: I believe c is what you're looking for, D is also a viable option, but C is more likely.

Explanation:

8 0
2 years ago
Other questions:
  • How does cyanobacteria help form soil crusts?
    9·1 answer
  • Where do you think the body gets the needed minerals? your answer?
    9·1 answer
  • What are the products of aerobic respiration?
    7·2 answers
  • Give explain and characteristics of Protisia? It's the kingdoms.
    13·1 answer
  • Sections of the digestive system type of break down what its being broken down to what is being absorbed
    5·1 answer
  • When an airplane increases its thrust, which of the following could happen
    8·1 answer
  • Increased pressure in the ventricles would close what valve(s)?
    6·1 answer
  • During which phase of the cell cycle do the replicated chromosomes thicken and become visible
    9·2 answers
  • Which of the following statements correctly determines the process when following the scientific method?
    13·1 answer
  • Dissolving CO2 in the ocean is an example of which sphere movement?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!