All of the following occur in both DNA and RNA EXCEPT

a.four nitrogenous bases.

b. a phosphate-sugar backbone.

c. a double-stranded molecule.

d. All of these are found in both DNA and RNA.

Answer:

The trophosphere

Explanation:

Because it is compressed by the rest of the worlds weight

Answer:

the purpose of mitosis is that the new cell can divide in to two new cells

Explanation:

This is a problem in the field of ecology.

The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.

It falls under the discipline of ecology, which studies the relationships between organisms and their environment.

Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.

In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.

They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.

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Answer:

Answers are in the image

Answer:

yes, our outer space has a moon

Answer:  c i think im sorry if not

Explanation:

c

Answer:

I) organelle (ii) organ (III) organism

Angelman syndrome is characterized by intellectual disability, severe speech impairment, ataxia, seizures, and a happy demeanor. Prader-Willi syndrome involves hypotonia, hyperphagia, obesity, intellectual disability, behavioral problems, and short stature.

Angelman syndrome and Prader-Willi syndrome are two distinct genetic disorders that are often discussed in the context of epigenetic inheritance. Both conditions result from abnormalities in a specific region of chromosome 15, but they have opposite effects due to differential genetic imprinting.

Angelman syndrome is characterized by developmental delays, severe intellectual disabilities, speech impairments, and motor coordination problems.

Individuals with Angelman syndrome often exhibit a happy and excitable demeanor, with frequent episodes of laughter and a fascination with water. They may also experience sleep disturbances, seizures, and a lack of speech development.

On the other hand, Prader-Willi syndrome manifests with distinct symptoms such as hypotonia (poor muscle tone) during infancy, hyperphagia (insatiable appetite) leading to obesity, developmental delays, learning difficulties, and behavioral challenges.

Individuals with Prader-Willi syndrome often have a compulsive need for food and struggle with weight management. They may also experience hormonal imbalances, growth hormone deficiency, and behavioral issues such as temper tantrums and obsessive-compulsive behaviors.

Epigenetic inheritance refers to the transmission of information from one generation to another that affects gene expression without altering the underlying DNA sequence.

In the case of Angelman and Prader-Willi syndromes, these conditions result from epigenetic changes, specifically imprinting, in the chromosomal region involved. Imprinting refers to the process by which certain genes are marked or silenced based on their parental origin.

In Angelman syndrome, the paternal copy of the UBE3A gene is deleted or silenced, leading to a lack of functional UBE3A protein in the brain. In Prader-Willi syndrome, the maternal copy of the same gene is affected. These imprinted genes play critical roles in brain development and function, leading to the distinct symptoms observed in each disorder.

It is important to note that while both Angelman and Prader-Willi syndromes are considered examples of epigenetic inheritance, the underlying mechanisms and specific epigenetic changes involved are complex and continue to be studied.

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Answer:

1.57

Beryllium/Electronegativity

Explanation:

because it come first in periodic table than sulfur

Answer:

its D i took the k12 test i hope this helps

Explanation:

Answer:

I think when there is no genectic variation

Explanation:

Answer:

when there is limited food

Explanation:

Answer:

Explanation:

A coral reef is an environment in which various abiotic (water, sunlight, temperature, salt, waves, and so on) and biotic (aquatic plants, shrimps, fish, corals, and so on) factors combine to maintain the system's homeostasis. A simulation model is a descriptive model that makes future inferences about one system using existing data (or process). A computer-based experiment in which each part of the device contributes to the measurement of the impacts induced by the interaction of unknown inputs is also known as a simulation model. It is possible to determine how changes in water temperature influence the relationship between various types of trophic levels in the coral reef environment, which may be expressed by aquatic plants and fish species, by using a simulation model.

Corals, algae, and fish in coral reefs have a lower survival rate as the pH of the ocean water drops. In acidic ocean water, coral reefs struggle to survive. This is due to the coral's calcium carbonate shell's inability to withstand an acidic environment. Snails, clams, algae, fish, and other animals have calcium carbonate in their skeletons. The death of these animals is caused by increased acidity. As a result, the lower the pH of ocean water, the higher its acidity, and therefore the lower the chance of corals, algae, and fish surviving in the coral reef.

The amount of calcium carbonate in coral reef water is affected by a lower pH value (more acidic). Since coral skeletons are made of calcium carbonate, this has an effect on them. It may be a major issue (since coral reefs are a source of food and tourism), since it would be more difficult for them to calcify or even dissolve. As a result, if 'ocean acidification' occurs as a result of carbon dioxide absorption from the atmosphere, reduced pH may reduce coral reef biodiversity.

The simulation's pH is too low to allow coral reefs to develop. The ocean is affected, and these coral reefs are important for the diversity of marine life because they have a lot of nutrients, which is ideal for small organisms to live in. As a result, if there is a lot of acid in the water, these coral reefs will dissolve and vanish.

I'd raise the ocean's temperature and lower the pH percentage so that users can see how human activity affects the ocean. Human activity causes contamination of the air, which causes CO2, which causes more of the CO2 to be consumed by the seas, raising acidity, which contributes to an increase in temperature and the dissolution of coral reefs.

Add mutations, edit genes, pick factors such as wolves, food, climate (arctic or dessert), and monitor population or pedigree chart were some of the variables I had control over in the simulation.

The impact on the pH of Earth’s oceans can be reduced by lowering the carbon dioxide in the air, and reducing the plastics that goes into the oceans.

Government-approved projects will be needed to temporarily limit fishing in the region. There will be a dead end in seafood resources from the river as a result of the consequences.

The root type for the ICD-10 code for this case is E, which stands for Injury.

The PCS code for this case is 949.2, which stands for Electroconvulsive therapy, bilateral, single seizure. The root type E is used for codes that describe injuries, poisonings, and certain other consequences of external causes.

The PCS code 949.2 is used to describe electroconvulsive therapy, which is a treatment for some types of mental illness. The bilateral-single seizure modifier indicates that the electroconvulsive therapy was delivered to both sides of the brain and that only one seizure was induced.

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Answer:

it would be The circulatory system

Explanation:

because it said transports oxygen and it the circulatory carry blood away towards the heart.

The Demand Dignity campaign by Amnesty International requires advocacy and activism from individuals and communities to pressure governments and institutions to uphold human rights and dignity.

The Demand Dignity campaign is a global initiative by Amnesty International aimed at ending human rights violations such as poverty, discrimination, and marginalization. The campaign relies heavily on advocacy and activism from individuals and communities to pressure governments and institutions to implement policies and practices that respect human dignity.

Therefore, the most important resource for the success of the campaign is the collective power of people willing to speak out and demand change. By raising awareness, mobilizing communities, and using various forms of activism, such as protests, petitions, and social media campaigns, the Demand Dignity campaign aims to create a groundswell of support that will pressure governments and institutions to take action on human rights issues.

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Answer: Evaporation

Explanation:

Answer:

A

Explanation:

Transpiration

Answer:

Genetic information is stored in the sequence of bases along a nucleic acid chain. The bases have an additional special property: they form specific pairs with one another that are stabilized by hydrogen bonds. The base pairing results in the formation of a double helix, a helical structure consisting of two strands.

hope this helps!!:)

Explanation:

The disengagement theory is considered to be more ageist amongst the given theories.

The correct option is option B.

The disengagement theory basically suggests that as individuals age, they withdraw naturally from the social roles as well as activities, which leads to a decrease in their physical as well as mental functioning. This theory is considered ageist as it is implies that it is normal for aged people to disengage from social interaction.

The activity theory as well as the continuity theory say that older adults can and should continue to engage in meaningful activities as well as roles and this is because active participation in society can lead to better physical as well as mental health outcomes.

Hence, the correct option is option B.

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Answer:

D) a social norm

Answer Casts

Explanation:

The chemical property of oxygen is it is colorless and odorless. It shows blue color in liquid condition.

Oxygen has gas that is present in the environment in 21%. It is the most needed gas that is required by plants and animals.

Animals and humans respire through oxygen, and all the functions of the body are done by oxygen. Oxygen breakdown the food molecules and give energy to animals and humans.

Oxygen is a colorless gas, and it is presently mixed with air in the environment it reacts with other chemicals and dissolves in cold water.

Two atoms of the elements combine to generate dioxygen, an odorless, tasteless, and colorless diatomic gas with the formula O2, at standard temperature and pressure (STP).

Thus, colorless and odorless are two of oxygen's chemical characteristics. When it is in liquid form, it is blue.

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Answer:

Explanation:

1 is water cycle

2 is biosphere

1.Hydrophobic molecules do not readily dissolve in the water in part because water molecules involved in hydration cannot participate in the normal hydrogen bonding with one another. 3.Tendency of water to minimize contact with nonpolar substances is called as hydrophobic effect. 4.Amphipathic lipids are structural basis of biological bilayer membranes.

Hydrophobic means “the fear of water”. Hydrophobic molecules and surfaces repel water and hydrophobic liquids, such as oil, will separate from water. Hydrophobic molecules are nonpolar meaning the atoms that make molecule do not produce static electric field.

Hydrophobic substances are made of non-polar molecules that repel bodies of water and attract other neutral molecules and non-polar solvents.

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Answer:

150.

Explanation:

On edge

The electric potential, to the nearest whole number is 150 V.

The electric potential energy denoted by U is proportional to the charge and inversely proportional to the distance between the point where its is brought from infinity to the charge.

U = kQ₁Q₂/r

For identical charge,

U =kQ²/r................(1)

and the electric potential is given by

V = kQ /r................(2)

Dividing both the equations, we get

U/V  = Q

Substitute charge Q =  7.2 × 10⁻⁵ C, Electric potential energy U = 1.08 × 10⁻² J, then the electric potential will be

V  = 1.08 × 10⁻² /   7.2 × 10⁻⁵

V = 150 Volts

Thus, the electric potential is 150 Volts.

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Answer:

Due to conjugation.

Explanation:

Bacterial genes are able to successfully transfer genes that produce enzymes in eukaryotic cells because of conjugation process. Conjugation is a process by which one bacterium transfers its genetic material or genes to another bacterium or cell through direct contact with it. During conjugation, the bacterial cells serves as the donor of the genetic material, and the eukaryotic cell serves as the recipient that receives the genes.

Answer:

north america is on the northern hemisphere, so we get more direct sunlight when the southern hemisphere (south america) gets less direct sunlight and visa versa.  

Explanation:

North america is on the northern hemisphere, so we get more direct sunlight when the southern hemisphere (south america) gets less direct sunlight and visa versa.  

Any circle drawn around the Earth divides it into two equal halves called hemispheres. There are generally considered to be four hemispheres: Northern, Southern, Eastern, and Western.

Hemisphere comes from the Greek, and combines the prefix hemi-, for "half," with sphere, or "perfectly round ball." We talk about the earth as divided at the equator into the northern and southern hemispheres.

It is important because it brings about differences in the climates of the Northern and Southern hemisphere because of the Earth's seasonal tilt towards and away from the sun.

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