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aev [14]
3 years ago
10

Why might a point mutation in DNA make a diffrence inb the level of proteins activity?

Biology
1 answer:
gogolik [260]3 years ago
8 0

Answer:

A point mutation is a type of genetic mutation where the single nucleotide base pair is changes.

There can be a single nucleotide base which is changed, deleted or inserted from a sequence of DNA or RNA.

The proteins produced may be faulty proteins. The consequences can be moderately predictable based on the specificity of the mutation.

Example: Cystic fibrosis, Sickle cell anemia and Tay-Sachs are some of the disease caused by point mutation.

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What consumes most of the time of the littluns?
Evgesh-ka [11]

Gather and eat fruit. They cried for their mother less than expected. The decrease in size from ralph down was gradual; and though there was a region that habited simon and robert abd Maurice never the less no one had any difficulty in reconizing biguns one end and the littluns at the other.

Hope this helps!

-Payshence




5 0
2 years ago
Part A - Modification of chromatin structure Which statements about the modification of chromatin structure in eukaryotes are tr
Salsk061 [2.6K]

Answer:

Some forms of chromatin modification can be passed on to future generation of cells

Acetylation of histone tails in chromatin allows access to DNA for transcription

DNA is not transcribed when packaged tightly in a condensed form

methylation of histone tails can promote condensation of the chromatin

Explanation:

chromatin modifications that can be passed on includes epigenetic modifications that are heritable changes made to the chromatin structure that does not involve the DNA sequences. Some epigenetic modifications include DNA methylation and Histone modifications. examples of histone modification include acetylation, methylation, phosphorylation, ubiquintylation etc. All these function either in allowing the DNA become more accessible to transcritional factors or vice versa. for exmple, histone tail acetylation encourages unwounding of nucleosomes allowing transcriptional factors to have access to the DNa while histone tails methylation further tightens the nucleosomes promoting condensation of the chromatin.

5 0
3 years ago
The portion of the nervous system that controls involuntary activities is a subdivision of the _______ nervous system.
JulsSmile [24]
Parasympathetic nerves govern involuntary actions such as pupil dilation, peristalsis, gland secretions, etc.
6 0
3 years ago
nmn increases the aerobic capacity of humans during exercise training, and the improvement is likely the result of enhanced o2 u
zysi [14]

Humans' aerobic capacity is increased by NMN during exercise training, and the enhancement is probably the result of improved skeletal muscle O2 use.

over the past ten years, studies have demonstrated the benefits of NMN for rodents' healthy ageing, increased longevity, and exercise capacity. For instance, adding NMN to one's diet improves energy generation, boosts physical stamina by over 50%, and benefits a number of physiological traits like insulin sensitivity and neuron functiAdditionally, some recent studies show that this study does, in fact, benefit humans, with NMN enhancing muscle performance in men over 60 and insulin sensitivity in prediabetic menopausal women. The topic of whether NMN has a good impact on ageing, health, and activity in younger person

To learn more about NMN

brainly.com/question/11174442

#SPJ4

3 0
1 year ago
Why is it important to understand levels of organization in living systems in terms of both structure and function of each level
vampirchik [111]

Answer:

The living world can be organized into different levels.

Levels of organization are structures in nature, usually defined by part-whole relationships, with things at higher levels being composed of things at the next lower level. Typical levels of organization that one finds in the literature include the atomic, molecular, cellular, tissue, organ, organismal, group, population, community, ecosystem, landscape, and biosphere levels.

Explanation:

Yet, in spite of the ubiquity of the notion, levels of organization have received little explicit attention in biology or its philosophy. Usually they appear in the background as an implicit conceptual framework that is associated with vague intuitions. Attempts at providing general and broadly applicable definitions of levels of organization have not met wide acceptance. In recent years, several authors have put forward localized and minimalistic accounts of levels, and others have raised doubts about the usefulness of the notion as a whole.

Just helps a lot overall, especially if you are planning to go into a field related to biology.  Hope this helps! :)

5 0
3 years ago
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