does anyone know what this is ?? ​

Does Anyone Know What This Is ??

Answers

Answer 1
It’s A. Double stranded DNA consists of two polynucleotide chains whose nitrogenenous bases are connected by hydrogen bonds.

Related Questions

Ultraviolet light causes pyrimidine dimers to form in DNA. Some individuals are genetically incapable of repairing some dimers at "normal" rates. Such individuals are likely to suffer from:

Answers

Individuals who are genetically incapable of repairing pyrimidine dimers at normal rates are likely to suffer from increased risk of skin cancer and other DNA damage-related conditions. The accumulation of unrepaired pyrimidine dimers in the DNA can lead to mutations and genomic instability.

Pyrimidine dimers are formed when neighbouring pyrimidine bases (thymine or cytosine) on the same DNA strand create covalent connections with one another. This can happen as a result of UV light exposure, which causes the two nearby pyrimidine bases to chemically bond together. The most prevalent kind of pyrimidine dimer is a thymine dimer, which is created when two adjacent thymine bases form a covalent bond. This type of dimer alters the structure of the DNA and prevents normal DNA replication and transcription. Pyrimidine dimers have the potential to cause mutations and the formation of malignant cells if they are not corrected. Pyrimidine dimers can be repaired by cells using NER (nucleotide excision repair) and photolyase-mediated repair.

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(PSYCHOLOGY)
There's a dramatic increase in the likelihood of a person becoming ill or dying the year following the death of a spouse. Describe some of the specific biological and psychological processes that may contribute to this effect.

In depth response pls

Answers

In psychology, this is called Widower Syndrome. The pattern reveals a significant rise in the widower's risk of mortality, notably, but not solely, in the three months following the loss of their spouse. This is sometimes referred to as "dying of a shattered heart." Being widowed increases the risk of getting serious mental problems.

What is the Windower Syndrom about?

Widow The term "brain fog" refers to the fogginess and detachment that might occur following the loss of a partner. This sensation is regarded to be a coping technique in which the brain tries to protect itself from the agony of great trauma or loss.

It is usual for the grieving process to last a year or more. A person in grief must deal with the emotional and life upheavals that result from the death of a loved one. Although the sadness may lessen over time, it is natural to remain emotionally linked with the departed for many years.

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How much is DNA important to identify a group? Give a brief explanation on race ,whiteness and property? Does biological anthropologists and genome scientist need to add the relation between Europeans and Indigenous people while doing their research?

Answers

DNA is important in identifying genetic relationships within a group, but it alone is not sufficient to determine complex social constructs like race, whiteness, or property; the inclusion of social, cultural, and historical factors is crucial in understanding these concepts.

Biological anthropologists and genome scientists should consider the relationship between Europeans and Indigenous people in their research to provide a more comprehensive understanding of human genetic diversity and population history.

DNA analysis can provide valuable insights into genetic relationships within a group, such as determining genetic ancestry or identifying related individuals. However, race, whiteness, and property are social constructs that go beyond genetic factors and are shaped by historical, cultural, and socioeconomic factors. These concepts are complex and cannot be solely explained by genetic data. Therefore, it is important for researchers, including biological anthropologists and genome scientists, to recognize the limitations of genetic data and consider the broader social context when studying race, whiteness, and property.

In the context of researching Europeans and Indigenous people, it is crucial for researchers to acknowledge and incorporate the historical and ongoing relationships between these groups. This includes understanding colonization, displacement, and the impact of power dynamics on genetic diversity and health outcomes. By including this relationship in their research, scientists can contribute to a more accurate and nuanced understanding of human genetics and promote social and scientific equity.

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Individuals with high blood pressure are at a higher risk for:OOOOstrokeaneurismheart attackAll of these choices are correct.

Answers

High blood pressure can place increased pressure on the walls of the blood vessels inside the brain, increasing your chances of developing an aneurysm. Also, it forces the heart to work harder to pump blood to the rest of the body. This causes the lower left heart chamber (left ventricle) to thicken. A thickened left ventricle increases the risk of heart attack, heart failure and sudden cardiac death. Moreover, blood vessels damaged by high blood pressure can narrow, rupture or leak. High blood pressure can also cause blood clots to form in the arteries leading to the brain, blocking blood flow and potentially causing a stroke.

So the correct answer is: All of thees choices are correct.

What type of gas bubbles are being produced?

A. nitrogen
B. oxygen
C. Carbon dioxide
D. water

And what is the process shown in the diagram?

A. alcoholic fermentation
B. photosynthesis
C. respiration
D. anaerobic respiration

Answers

as naturally occurring supersaturated carbon dioxide nucleation in soft beverages.when water is boiling, as water vapor.when water was stirred and air was added, like below a waterfall.

Are bubbles a result of gas production?

When two fluids are combined, bubbles frequently form, which is a sign that a gas had also developed.

Why do bubbles develop and what gas is already in them?

The gas that gives fizzy drinks their sparkle is carbon dioxide.Since a liquid can retain more gas while it is under pressure, the carbon dioxide in the drink remains dissolved as a result of the high pressure in the bottle.The pressure is released when you crack open a brand-new bottle of soda.

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in planning the discharge for a newborn diagnosed with torticollis (wry neck), the nurse should:

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In planning the discharge for a newborn diagnosed with torticollis, the nurse should ensure that the infant's caregivers understand the condition and its management. Torticollis, also known as wry neck, is a condition where the neck muscles are shortened or tightened, causing the head to tilt to one side.

Firstly, the nurse should provide clear information about torticollis, its causes, and symptoms. This may include discussing the possibility of congenital or acquired factors, such as birth trauma or abnormal positioning in the womb.

Secondly, the nurse should discuss appropriate interventions to improve the infant's neck muscle flexibility and promote normal head positioning. This may include demonstrating and teaching caregivers about gentle stretching exercises, which should be performed regularly as advised by the healthcare professional. Encouraging the infant to turn their head to both sides during feeding and playtime can also help promote neck muscle development.

Thirdly, the nurse should emphasize the importance of regular follow-up appointments with the pediatrician or a specialist. Monitoring the infant's progress and adjusting treatment as needed is crucial for successful management of torticollis.

Lastly, the nurse should provide resources for the caregivers to access support and additional information. This may involve referring them to local support groups, providing educational materials, or recommending reputable websites.

In conclusion, when planning the discharge for a newborn with torticollis, the nurse should educate the caregivers about the condition, teach appropriate interventions, stress the need for regular follow-ups, and provide support resources.

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What is another term for the output of a reaction

Answers

Answer:

7367325623t8y656785486325ru

Explanation:

Product?

Reactants are the input, products are the output.

What is the term for the site where the muscle attaches that does not move when the muscle contracts?.

Answers

The origin is the term for the site where the muscle attaches that does not move when the muscle contracts.

It's simple to believe that muscle is muscle, and that the tissues in hearts, tongues, and arms are essentially the same. Mammalian bodies, however, are composed of three distinct muscle types: cardiac, skeletal, and smooth. Organs including our skin, blood arteries, and digestive tracts are made up of smooth muscles. The heart's muscles are called cardiac muscles. Despite how amazing and sophisticated these tissues are, the skeletal muscles are what carry out the bulk of the work.

The muscles that are a part of the skeletal system are known as skeletal muscles. They are voluntary muscles, as opposed to the hearts and stomachs, and one has cognitive control over them.

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Describe the effect of food dye concentration on diffusion.

Answers

Answer: more diffusion

Explanation:

larger surface area

How long does it take for your lungs to heal from smoking.

Answers

Answer:

Depending on the severity, in some cases, never. lung cancer is quite uncurable...

hope this is the answer your looking for! if not, sry...

what type of glial cell is responsible for filtering blood to produce csf at the choroid plexus?

Answers

The type of glial cell responsible for filtering blood to produce cerebrospinal fluid (CSF) at the choroid plexus is known as Ependymal cells. A choroid plexus is a network of specialized capillaries located within the ventricles of the brain, which is responsible for the production of cerebrospinal fluid.

It is lined with specialized epithelial cells known as ependymal cells, which are responsible for the filtration of blood to produce CSF.

Ependymal cells are specialized glial cells that line the ventricles of the brain and the central canal of the spinal cord. These cells are responsible for the production of cerebrospinal fluid (CSF) by filtering blood at the choroid plexus. They are also involved in the circulation and distribution of CSF within the brain and spinal cord.

CSF is a clear, colorless fluid that surrounds the brain and spinal cord, providing a cushioning effect and serving as a nutrient-rich medium for nerve cells. It is produced in the ventricles of the brain by the ependymal cells of the choroid plexus.

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What is one job of RNA?
carrying genetic information
manufacturing nucleotides
giving shape to chromosomes
unraveling DNA

Answers

im pretty sure the answer is carrying genetic info

Answer:

carring genetic information

Explanation:

Which gas do plants absorb from the atmosphere as part of photosynthesis?

Question 13 options:

Hydrocarbons


Water


Carbon dioxide


Nitrogen oxides

Answers

Plants absorb carbon dioxide
Carbon dioxide is the answer

Write a question using the words COMPETITION and SURVIVE. *

Answers

Q. What is the competition among SPECIES (intra, and Inter)? And how it help will to SURVIVE?

While making the question we should always relate the main term or concept with the other situation which may be of same type or different. The concept should be clear by using more technical words, as well as idea of the question which candidate have to answer. The use of more grammar is also play important role, like the correct use of grammar at correct place provide the clarity of the question, but it may also confuse the candidate. For more clarity, always ask examples, or case study which candidates have to answer.

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how do pinnate leaves adapt themselves for photosynthesis in their habitat

Answers

They are adapted for photosynthesis by having a large surface area, and contain openings, called stomata to allow carbon dioxide into the leaf and oxygen out.

30 POINTS!!! If a forest burns down, which stage of the water cycle is interrupted in that ecosystem, and why?
a. Transpiration
b. Precipitation
c. Infiltration
d. Evaporation

Answers

Answer:

A.TRANSPIRATION

Explanation:

Trees have deeper roots than other plants, which implies they can access and pump up larger soil water volumes for transport to the leaves for transpiration and growth. ... The energy needed to evaporate all that water is withdrawn from the environment and leaves the system as embedded latent heat.

Which means if the forest got messed up the transpiration would be jacked up

Scientists count the number of organisms in the tallgrass prairie. Which trophic level would you
expect to contain the smallest number of organisms?
A. Producers
B. Primary consumers
C. Secondary consumers
D. Tertiary consumers

Answers

D. Tertiary consumers

Scientists count the number of organisms in the tallgrass prairie. The trophic level would you expect to contain the smallest number of organisms is Tertiary consumers. Thus, option D is correct.

Who are known as producers?

The organisms that are capable of making their food like plants are called producers. The organisms that feed on the producers are known as primary consumers. The primary consumers include all kinds of insects, caterpillars, termites, etc.

Tussock larvae would be a primary consumer. The organisms that feed on the primary consumers are termed as Secondary consumers. In this example, the birds are eating the primary consumer i.e tussock larvae, hence birds would be the secondary consumers.

Therefore, Scientists count the number of organisms in the tallgrass prairie. The trophic level would you expect to contain the smallest number of organisms is Tertiary consumers. Thus, option D is correct.

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A person who forwards on a sexual picture of another can get in as much trouble as a person sending a picture of themselves (sexting).


True
False

Answers

the answer to this is true

The statement about the s exual pictures is TRUE.

The person might get convicted for the crime and can severely punished if he post or share the pictures without consent.It comes under cyber crime.

What come under cybercrime?Child P ornography OR Child s exually abusive material (CSAM) Cyber Bullying. Cyber Stalking. Cyber Grooming. Online Job Fraud. Online S extortion. Phishing. Vishing

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what are the biotic factors that would affect owl populations

a. availability of food
b. carbon dioxide levels
c. new diseases
d. moisture levels

choose two

Answers

Answer:

I would select

A and C

Explanation:

Biotic factors are those of which are living

Write a summary statement for saturated fats including whether they are solids or liquids at room temperature and weather they have all single carbon-to-carbon or at least one carbon-to-carbon bond

Answers

Answer:

A saturated fat is a type of fat in which the fatty acid chains have all or predominantly single bonds. A fat is made of two kinds of smaller molecules: glycerol and fatty acids. Fats are made of long chains of carbon atoms. Some carbon atoms are linked by single bonds and others are linked by double bonds. Double bonds can react with hydrogen to form single bonds. They are called saturated because the second bond is broken and each half of the bond is attached to a hydrogen atom.

Explanation:

Answer:

saturated fats consists of single covalent bond and they are solid at room temperature and their melting point increases with increasing chain length

hope it helps

Explanation:

all fuels are sources of energy​

Answers

Answer:

they are usually considered to be a primary energy source.

Explanation:

Describe three different ways to administer drugs to animals

Answers

Answer:

Subcutaneous injections (SQ) are given under the skin. Intramuscular injections (IM) are given so that the medication is injected into a muscle. Intravenous (IV) is injecting the substance straight into a vein.

Explanation:

which term applies to the transfer of genes from mother to daughter cell?

Answers

The term that applies to the transfer of genes from mother to daughter cell is Mitosis. Here option C is the correct answer.

Mitosis is the process by which a single cell divides to produce two identical daughter cells. During mitosis, the genetic material, including the genes, is replicated and evenly distributed between the two daughter cells.

In the context of cell division, genes are located on chromosomes, which are replicated and segregated during mitosis. Before mitosis begins, the DNA of the mother cell is duplicated, and each chromosome consists of two identical sister chromatids held together at a region called the centromere.

During mitosis, the sister chromatids separate and are pulled to opposite ends of the dividing cell. Finally, the cell membrane pinches in, creating two distinct daughter cells, each containing a complete set of chromosomes with the same genes as the mother cell. Therefore option C is the correct answer.

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Complete question:

Which term applies to the transfer of genes from mother to daughter cell?

A) Transcription

B) Translation

C) Mitosis

D) Meiosis

Which of these is not a criteria pollutant?
a)
carbon monoxide
b)
carbon dioxide
c)
ozone
d)
particulates
e)
sulfur dioxide

Answers

Answer:

CO2

Explanation:

as plants inhales carbon dioxide

Please help! skin melanocytes produce the protein melanin, which gives the skin pigment. muscle cells do not produce melanin. which statement explains this difference between skin melanocytes and muscle cells?

A. muscle cells rely on rna, while melanocytes rely on dna.

B. melanocytes and muscle cells express different genes.

C. muscle cells destroyed the gene for melanin, but melanocytes did not.

D. melanocytes contain different genes from muscle cells

Answers

Answer:

The correct answer is B. "Melanocytes and muscle cells express different genes."

Although all cells in an organism (such as a human) contain the same DNA, different cell types express different sets of genes. Gene expression is the process by which specific genes are activated to produce a needed protein. In this case, the gene responsible for melanin production is expressed in melanocytes, but not in muscle cells.

This does not mean that muscle cells have destroyed the gene for melanin (as stated in option C) or that melanocytes contain different genes from muscle cells (as stated in option D). All cells within an organism contain the same genes, but not all genes are expressed in every cell. The process of gene expression is regulated by the cell to ensure that each cell type functions properly.

Option A is also incorrect because all cells, including both muscle cells and melanocytes, rely on both DNA (for storing genetic information) and RNA (for transmitting that information and producing proteins). DNA is transcribed into RNA, which is then translated into proteins. This process occurs in all cells.

The statement explains the difference between skin melanocytes and muscle cells is - melanocytes and muscle cells express different genes. So option b  is correct.

Melanocytes are dark, dendritic-shaped, highly differentiated cells that secrete melanin, a pigment found in melanosomes, which is the primary function of melanocytes.

Melanocytes are a type of cell derived from the neural crest. They form a synapse with keratinocytes through their dendrites in the epidermis. Melanocytes play an important part in skin pigmentation and their role in the generation and distribution of melanin has been extensively studied.

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Factors that affect prenatal development
Genetic (a dominant trait)
Factor:
Genetic (a recessive trait)
Factor:
Genetic (a genetic or chromosomal disorder)
Factor:
Environmental (mother's physical health)
Factor:
Environmental (mother's emotional health)
Factor:
Environmental (something in the environment
that the mother lives in)
Factor:
How do these factors have a positive or negative affect?

Answers

All the factors mentioned like environment factors, mother's physical and emotional health all can have either positive or negative effect.

What is factor and how come these factors have an effect on mother's health?Factors are in pair present on chromosomes , have studied in genetics. There are two factors for each trait.The statement that factors are present in pair have a significant role and need to be kept in mind vividly.Here comes the health of the mother which can be effected by emotion health, if mother is suffering with emotional challenges then obviously its a negative effect .When mother is living in a hygienic environment and friendly environment that's a positive impact.

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5). The students investigate where these crabs are found at low tide.
They choose 8 rocks pools in each part of the rocky shore. They count the number of crabs in each pool.
The lower shore is closer to the sea.

Middle shore
3
Lower shore
2
Upper shore
1

Look at the number of crabs found at each part of the shore.
Using the evidence from the table write down the best part of the shore for the crabs.
There are more crabs in one part of the shore than the other parts. Suggest a reason why.

Answers

According to the information in the table, the lower shore, where the students discovered two crabs in each rock pool, appears to be the best area of ​​shore for crabs. The average number of crabs per pool on the lower and middle shores was 3 and 1, respectively.

The fact that the low-lying coastline often experiences more time under water during each tidal cycle than the high coast is a possible explanation for this trend. This suggests that the lower beach may provide crabs with more food and resources, allowing them to grow and reproduce more successfully. The lower beach may provide more cover and protection from predators, which may possibly be a factor in the higher concentration of crabs there.

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Where are chromosomes found in the human body what are chromosomes made of

Answers

Answer:

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.

Are all enzymes a catalyst ? and what relation exist between catalyst and enzyme ?​

Answers

Answer:

Enzymes and catalysts both affect the rate of a reaction. In fact, all known enzymes are catalysts, but not all catalysts are enzymes. The difference between catalysts and enzymes is that enzymes are largely organic in nature and are bio-catalysts, while non-enzymatic catalysts can be inorganic compounds

Explanation:

All known enzymes are catalysts, but not all catalysts are enzymes

Catalysts are substances that increase or decrease the rate of a chemical reaction but remain unchanged. Enzymes are proteins that increase rate of chemical reactions converting substrate into product.

substrates are held in the active site of an enzyme by:the matching shape of the allosteric site.the lowering of the activation energy.hydrogen and ionic bonds.the action of coenzymes and cofactors.

Answers

Substrates are held in the active site of an enzyme by hydrogen and ionic bonds.

What is ionic and hydrogen bonds?

Ionic bonds are attracted by electrostatic forces, whereas hydrogen bonds are intermolecular forces. Ionic bonding occurs between permanent anions and cations, whereas hydrogen bonds occur between partial positive and partial negative charges. This is the main distinction between the two types of bonds.

In that they are created by the attraction of atoms with opposing polarity, hydrogen bonds are comparable to ionic bonds in this regard. They lack the strength of full or complete charges, however, as they are formed by the interplay of partial charges.

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