which of the following lists represents the order of increasingly higher levels of organization of chromatin? which of the following lists represents the order of increasingly higher levels of organization of chromatin? nucleosome, 30-nm chromatin fiber, looped domain looped domain, 30-nm chromatin fiber, nucleosome 30-nm chromatin fiber, nucleosome, looped domain nucleosome, looped domain, 30-nm chromatin fiber request answer

Answers

Answer 1

Nucleosome, 30-nm chromatin fiber, looped domain- this represents order of increasingly higher levels of organization of chromatin.

What is chromatin?

Chromatin, found in the nucleus of eukaryotic cells, is a complex of proteins and DNA. The main function of chromatin is to pack long DNA molecules into more compact and denser structures.

Through chromatin, it is possible for a number of cell processes to occur, like transcription, DNA replication, DNA repair, cell division, and genetic recombination.

The basic unit of organization of chromatin is called the nucleosome. The nucleosome comprises of 147 bp of DNA that wrapped around a core of histone proteins.

So, therefore, nucleosome, 30-nm chromatin fiber, looped domain represents the order of increasingly higher levels of organization of chromatin.

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Related Questions

Your analyzer is routinely used for testing of blood chemistry, blood gas, and coagulation. How
often does the external electronic simulator need to be used?
Select the correct answer, then click DONE.
A) Every twelve hours.
B) every eight hours.
C) once per week, unless there are questionable results.
D) once daily.

Answers

Every eight hours often does the external electronic simulator need to be used. Thus, the correct option is A.

What is blood gas?

The amount of oxygen and carbon dioxide in your blood are measured by blood gases. Your blood's pH is also calculated by them.

Every eight hours when the instrument is in use, each patient is checked before usage. There is a specific Electronic Simulator Quality Control equipment for each i-STAT1 analyzer.

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state the average value of GFR

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Since GFR decreases with age , then the average value of GFR will be 90 to 120mL/min/1.73 m2

What is GFR?

GFR (Glomerular Filtration Rate) can be said to be the amount of plasma entering Bowman’s capsule per minute. It is the renal plasma flow × the fraction that enters the renal capsule (19 percent).578*0.19 = 110 mL filtrate/min. Glomerular filtration rate (GFR) is referred to as a blood test that checks to control how well your kidneys are working.

What is a normal GFR?

We can deduce from the National Kidney Foundation, normal results range from 90 to 120 mL/min/1.73 m2. Older people will have lower than normal GFR levels, since GFR decreases with age

How can I improve my GFR?

In other to improve and have a healthy GFR it is important to avoid regular in-take of processed foods and choose fresh fruits and vegetables instead. Following a low-salt diet is essential because of it effect on blood pressure.

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How does exhaling remove waste from the body? Explain the systems that make this happen, using complete sentences.

Answers

Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.

Exhaling plays a crucial role in removing waste from the body, particularly in the form of carbon dioxide (CO2), a byproduct of cellular respiration. The respiratory system, composed of the lungs and airways, is primarily responsible for this process.During inhalation, air containing oxygen is drawn into the lungs through the nose or mouth. Oxygen then diffuses across the lung tissue into the bloodstream, where it binds to hemoglobin and is transported to cells throughout the body. In the cells, oxygen is utilized in metabolic processes, generating energy and producing CO2 as a waste product.When we exhale, the diaphragm and intercostal muscles relax, causing the volume of the chest cavity to decrease. This action increases the pressure within the lungs, and air rich in CO2 is expelled from the body through the airways. The CO2 is removed from the bloodstream and eliminated from the body, reducing the waste buildup.Overall, the respiratory system's main function is to facilitate the exchange of gases, allowing oxygen to enter the body and carbon dioxide to be eliminated. Exhalation plays a vital role in removing waste by expelling CO2 and maintaining a balanced gas composition within the body.

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Which of the following should result in a population reaching its carrying capacity sooner?a. reducing intrinsic growth rate rb. increase the intrinsic growth rate rc. decreasing the carry capacity kd. increasing the carry capacity ke. increasing initial population size No

Answers

Answer:

b. increase the intrinsic growth rate

Explanation:

Increase in the intrinsic growth rate will result in a population reaching its carrying capacity sooner because population of organisms increases due to increase occur in intrinsic growth rate. Increase in intrinsic growth rate means more organisms are born as compared to death of that organism which results in increase population and with the increase in population, carrying capacity of that environment filled very soon..

Answer:
Increasing the intrinsic growth rate, r
Decreasing the carrying capacity, K
Increasing the initial population size, N_0

Explanation:
Answer from a SimUText lab.

Talking abt elephants btw!

4-toed mom with (t t) and 5-toed dad with (T t)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
~

5-toed mom (T t) and 5-toed dad (T T)

What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
~

5-toed mom (T t) and 5-toed dad (T t)

What is the probability for a 5-toed baby?

What is the probability for a 4-toed baby?

Answers

Scenario 1: 50% chance to have 5 fingers and 50% chance to have 4 fingers. Scenario 2: 75% chance of having a baby with 5 fingers and 25% chance of having a baby with 4 fingers.

In the first case, the offspring has a 50% chance of inheriting the dominant T allele from the 5-fingered father and a 50% chance of inheriting the recessive T allele from the 4-fingered mother. Therefore, the probability of having a child with 5 fingers is 50%. The probability of having a 4-toed child is also 50% since the offspring will only have 4 fingers if they inherit two copies of the recessive allele t.

In the second case, both parents have 5 fingers and are heterozygous (Tt), so there is a 75% chance that the offspring will inherit at least one T dominant allele and have 5 fingers. There is a 25% chance of inheriting two copies of the recessive allele t and having 4 fingers. Therefore, the probability of having a child with 5 fingers is 75% and the probability of having a child with 4 fingers is 25%.

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A postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. It has three presynaptic inputs-from neurons X, Y, and Z. Stimulation of
neuron X causes the postsynaptic neuron to depolarize by 0.5 mV. When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by
1 mV, If X fires 10 times and Y fires 10 times the result will be …

Multiple Choice
a subthreshold summation.
presynaptic inhibition.
threshold is reached and an AP is fired.
many APs are fired.
the membrane depolarizes.

Answers

When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.

Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.

Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.

When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).

Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.

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Which of the following statements is true about the role of water in celular respiration?
It reacts with glucose.
It reacts with oxygen
It is one of the beginning compounds.
It is one of the ending compounds.

Answers

Answer:

it is one of the ending compounds

Explanation:

Answer:

This one is D Have a good day

Explanation:

Hurricanes can lead to deforestation in a way that brings strong winds, heavy rains, and flooding which can result in uprooted trees.(can you add anything else onto this?)

Answers

In the coarse of a hurricane, most trees are devastated by wind and flooding. Hurricanes have the possibility to clear out huge and constant rainfall as they make landfall and move inland, crushing the landscape and flooding tree roots. Lengthened flooding can cut off oxygen within the soil. The absence of oxygen cripples root systems and finally leads to tree death. Hurricane-force winds can pull stretch tree roots and cause them to snap and fall over. Hurricanes can curtail a forest's capacity to consume and stock carbon dioxide. It can even expedite global warming, with downed trees emitting carbon dioxide into the atmosphere.

importance of cycle events

Answers

Explanation:

sorry for the handwriting

evolutionary significance of bryophytes

Answers

The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.

Here are some key evolutionary significance of bryophytes:

Adaptation to land: Bryophytes are considered some of the earliest land plants.

They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.

They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.

Moisture retention: Bryophytes have adaptations that enable them to retain moisture.

They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.

This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.

Soil formation: Bryophytes, especially mosses, contribute to soil formation.

They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.

Their decomposed remains also contribute organic matter to the soil, enriching its fertility.

Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.

Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.

They contribute to the overall biodiversity and ecosystem functioning.

Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.

Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.

Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.

Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.

Monitoring bryophytes can provide insights into the health and integrity of ecosystems.

Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.

Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.

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Here are some key evolutionary significance of bryophytes:

Adaptation to land: Bryophytes are considered some of the earliest land plants.

They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.