2. draw a molecule of dna going through eukaryotic replication. on your drawing, identify the following: origin, polarity (5' and 3' ends) of all template strands and newly synthesized strands, leading and lagging strands, okazaki fragments, and location of primers.

A flower has more pollen grains than ovules to increase the chances of successful pollination and fertilization.

In flowers, the reproductive process involves the production of pollen grains and ovules. Pollen grains are male gametes, while ovules are female reproductive structures. The number of pollen grains and ovules in a flower can vary depending on the species and reproductive strategy.

Flowers produce more pollen grains than ovules for several reasons. Firstly, the success of fertilization depends on the transfer of pollen grains to the stigma of the flower, where they can reach the ovules. Producing more pollen grains increases the chances of successful pollination and fertilization.

Furthermore, not all pollen grains will successfully reach and fertilize an ovule. Some may be lost during the process of pollination, while others may fail to germinate or encounter barriers preventing successful fertilization. By producing a surplus of pollen grains, flowers ensure a higher likelihood of successful reproduction.

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Answer:

Thru trial and error the answer is e

Explanation:

The person that works as a public health veterinarian is Jal who works at a zoo. The correct option is C.

Public health refers to all organized measures (public or private) to prevent disease, promote health, and extend life in the general population.

A zoo is a facility where animals are housed in enclosures, cared for, shown to the public, and, in some cases, bred for conservation purposes. The term zoological garden refers to the study of animals, or zoology.

VPH is defined by the World Health Organization as "the sum of all contributions to the physical, mental, and social well-being of humans through an understanding and application of veterinary science."

Diagnosis, Surveillance, Epidemiology, Control, Prevention, and Elimination of Zoonotic Diseases: During routine practice, most private veterinary practitioners contribute to public health.

Thus, the correct option is C.

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Answer :

First of all the hormone is steroid hormone.

Explanation :

It'll bind to DNA in a direct way and it also have the capability to pass through cell membranes.

: )

Answer:the answer is ”detect“

Explanation:

because it makes a lot more sense ok

a magnetic field is the area surrounding a magnet where u can “detect“ magnetic forces

sry if this wasn’t a good explanation give me brainliest

Electrophoresis tool is used for PCR result analysis. thus option D is correct.

Electrophoresis has the ability to pass charged molecules  in an  electric field, it is the separation of proteins which  is usually accomplished using polyacrylamide gel electrophoresis  (PAGE).

In this process where the proteins are driven by an applied current through a gel based matrix.

these polyacrylamide gel is formed as a thin slab between two glass plates or as a  cylinder within a glass tube.

The primary objective of electrophoresis is to separate DNA molecules based on their size which  may be completed on a gene of interest prior to electrophoresis.

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Answer:

SNP analysis

Explanation:

Correct on my exam

Answer:

Answer: The combination of phosphate, sugar, and nitrogen bases in DNA or RNA is called a nucleotide.

Explanation:

Explanation: Nucleotides are building blocks of RNA and DNA. In RNA, nucleotide are made up of ribose sugar, a nitrogenous base which can be adenine, uracil, cytosine and guanine; and a phosphate group. The nucleotides in RNA are called ribonucleotides. The nucleotides in DNA are called deoxyribonucleotides and they contain a deoxyribose sugar, a phosphate group and a nitrogenous base which can be adenine, thymine, cytosine and guanine.

Answer:

DNA is double helix, while RNAs are single stranded structure. Phosphates and pentose sugars are similar in both the nucleic acids, while the thymine is replaced by uracil in the RNA.

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The  point of TRPV1 that allows H ions to bind is located in the transmembrane region of the protein.  

It consists of a histidine residue, which is a  appreciatively charged amino acid, that creates a  fund which H ions can bind to. ATF3 protein is produced in the  nexus of the cell. It's transcribed from the ATF3 gene and translates into the protein in this  position. TRPV1(  flash receptor  eventuality cation channel subfamily V member 1) is a protein  set up in the  mortal body that acts as a receptor for  colorful  stimulants including heat, low pH, and certain chemicals. It's anon-selective cation channel that when actuated, allows ions to pass through the cell membrane. TRPV1 is an important part of the pain pathway, as it's responsible for  seeing heat and initiating the sensation of pain. It's also involved in inflammation and body temperature regulation.

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The three predicted effect of the changes in the ecosystem on the organisms include the following:

This refers to the various organisms present in a given area and how they interact with their physical environment.

The predicted effect of the changes in the ecosystem can be seen listed above and is therefore the most appropriate choice in this scenario.

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It can be concluded that the regulation of ketone body production and use is a complex process that involves multiple factors. Ketone bodies are produced in the liver when there is insufficient glucose available for energy metabolism. They are then transported to other tissues where they can be used as an energy source. However, not all ketone bodies produced are utilized by the body, and 10-20% are excreted without being metabolized.

This suggests that the body has mechanisms in place to regulate the production and use of ketone bodies. One possible explanation is that the body produces excess ketone bodies as a backup energy source in case of emergency situations. Another possibility is that the regulation of ketone body production and use is influenced by various metabolic and hormonal factors, including insulin, glucagon, and cortisol.

Furthermore, the excretion of unmetabolized ketone bodies may have implications for individuals on a ketogenic diet or those with certain medical conditions such as diabetes or liver disease. Overall, more research is needed to fully understand the regulation of ketone body production and use, as well as the potential health implications of excess ketone body excretion.

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The altering DNA of organisms result harmful consequences.

DNA is a flexible and dynamic molecule. As a result, due to a process known as mutation, the nucleotide sequences found therein are liable to change.

It is commonly known that genetic alterations can affect how a protein behaves in the body, possibly leading to health issues. Researchers have found that modifications to non-gene-containing sections of DNA (noncoding DNA) can also cause disease.A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.

Hence, altering DNA of organisms result untreatable diseases.

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Altering an organism's DNA has detrimental consequences. DNA is a flexible and dynamic molecule. As a result, the nucleotide sequences within them can change through a process known as mutation.

It is well known that genetic alterations can affect the behavior of proteins in the body and cause health problems. have found that changes in can also cause disease. A mutation is a change in the DNA sequence of an organism. Errors in DNA replication during cell division, exposure to mutagens, or viral infections can cause mutations. Therefore, modifying the DNA of an organism leads to untreatable diseases. Genetic alterations include chromosomal abnormalities and genetic mutations. Chromosomal abnormalities commonly occur during cell division. They can be numerical, including the number of chromosomes, or structural, including atypical configurations of one or more chromosomes.

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Fossil evidence and DNA evidence support this idea that Africa was where humans evolved and thrived for millions of years before migrating elsewhere.

Western Eurasia was home to Neanderthals between 300 and 30 thousand years ago (ka). Their distinctive mix of anatomical characteristics sets them apart, and they are frequently linked to Middle Paleolithic lithic enterprises. Paleoanthropologists currently agree that they belonged to a distinct Eurasian human lineage that developed independently from the rest of the Old World and had a Middle Pleistocene common ancestor with contemporary humans. Some of the unusual Neanderthal anatomy is assumed to have developed as a result of selection brought on by the bitter cold of the European glacial cycles. Nevertheless, the development of these features appears to have involved some genetic drift. A few thousand years after modern humans initially appeared in Europe, Neanderthals last appeared in the fossil record about 30 ka BP. We are in a unique position to use genetic data in conjunction with fossil evidence to answer issues regarding the evolution, paleobiology, and ultimate destiny of Neanderthals because to the recent recovery of ancient mitochondrial and nuclear DNA from Neanderthal fossils.

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This would be an invasive species which is not native to the environment. It can cause harm either because it over grows (if it's a plant.) Or if it's an animal, it will reproduce and most likely take over the environment. This is because it feels the need to compete for materials, but ends either taking most or all of it. Which then ruins the food chain depending on it's diet. If it's eating a plant, then other animals that eat that plant no longer have any food. And vice versa if it's feeding on animals. Other predators, no longer have their food.

In the frog, the two accessory digestive organs that release compounds into the duodenum through the bile duct are the liver and the pancreas.

The liver produces bile, which is stored in the gallbladder and released into the duodenum through the bile duct.

The pancreas also releases digestive enzymes into the duodenum through the bile duct. These enzymes include lipases for fat digestion, amylases for carbohydrate digestion, and proteases for protein digestion.

Together, the liver and pancreas release compounds into the duodenum through the bile duct, contributing to the efficient digestion and absorption of nutrients in the small intestine.

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Answer:

Thus, in eukaryotes, while transcription occurs in the nucleus, translation occurs in the cytoplasm.

Answer:

A. It allows plants to use nitrogen to grow.

Explanation:

However, plants can't directly use nitrogen to grow. The bacteria need to convert atmospheric nitrogen ( N2 gas) into a form that plants can use.

Nitrogen fixation is a symbiotic relationship between plants and microorganisms of nitrogen fixers, which in the process of symbiosis perform the binding of nitrogen, which enters the earth from the air (atmosphere).

It is a reduction process of converting the gaseous form of nitrogen from the air into the ammonia form that is available to plants.

Endosymbiosis most likely began with a heterotrophic endosymbiont entering the cell as undigested prey or as an internal parasite during the origin of eukaryotes.

The leading hypothesis, known as the endosymbiotic theory, holds that eukaryotes evolved from a fusion of Archaean and bacterial cells, in which an ancient Archaean engulfed (but did not eat) an ancient, aerobic bacterial cell.

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The biological species theory is not applicable to asexual organisms. So, option A is correct.  Introgression via backcrossing theory is used to find  DNA makes up 1-4% of the human genome. Thus, option D is correct.

Ernst Mayr stated a theory called the biological species concept which states that a group of organisms can interbreed and can able to fertile their offspring, but this concept is very less applicable when dealing with asexual organisms.

Introgression is a process related to genetic material which transfers between two species through repeated backcrossing. It is believed that over a long period of time, humans interbred with Neanderthals so that the genetic material is incorporated between these species.

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Answer:

i.Mortality:which is the number of individual death in a population over a period of time

ii.Imigration:which is migration of individual from one place

Ecosystem services refer to the various life-sustaining products and benefits that ecosystems provide to humans and other organisms.

These services include the provision of food, water, clean air, and materials for shelter and clothing, as well as regulation of the climate, water quality, and disease, among others. Ecosystem services are essential for the survival and well-being of human societies and are critical to maintaining the health and functioning of ecosystems.

Carbon sequestration is one of the ecosystem services provided by ecosystems, which refers to the removal of carbon dioxide from the atmosphere and its storage in vegetation, soils, and other organic matter. However, ecosystem services encompass a broader range of benefits and products, including cultural and aesthetic values, recreational opportunities, and biodiversity conservation.

Therefore, option C is the correct answer: ecosystem services are the life-sustaining products and benefits that ecosystems provide.

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Answer:

1a. The template DNA strand, from which the mRNA is synthesized, is 5’ CAAACTACCCTGGGTTGCCAT 3’

(RNA synthesis proceeds in a 5’ à 3’ direction, so the template strand and the mRNA will be complementary to each other)

b. The coding DNA strand, which is complementary to the template strand, is 5’ ATGGCAACCCAGGGTAGTTTG 3’

c. The sequence of the mRNA is 5’ AUGGCAACCCAGGGUAGUUUG 3’

(the sequence of the mRNA is complementary to the template strand and identical to the coding strand with U substituted for T)

d. The third codon is 5’ ACC 3’. Therefore, the corresponding anti-codon is 5’ GGU 3’

If there is a newly discovered lineage that is a sister lineage to the lineage containing lizards and salamanders, it is most likely that this newly discovered lineage shares a common ancestor with the lineage containing lizards and salamanders.

The term "lineage" refers to a series of organisms, populations, cells, or genes that are derived from a single ancestor. The term "sister lineage" refers to two or more lineages that share a common ancestor but diverged from each other. Thus, if there is a newly discovered lineage that is a sister lineage to the lineage containing lizards and salamanders, it means that this newly discovered lineage is closely related to the lineage containing lizards and salamanders and shares a common ancestor with it. The statement "shares a common ancestor" means that this newly discovered lineage diverged from the lineage containing lizards and salamanders at some point in the past but they share a common ancestor from which they both descended. Therefore, it is most likely that this newly discovered lineage also has some traits or characteristics in common with the lineage containing lizards and salamanders due to their shared ancestry.

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Answer:

i think it is gas from cars

Explanation:

hope this helps

The fluid mosaic model of the cell membrane means that the proteins, phospholipids, and other components of the plasma membrane are moving constantly and aren't fixed in a position.

The basal ganglia are a group of subcortical nuclei located deep in the cerebral hemispheres. The basal ganglia's ability to evoke one specific movement pattern out of an almost endless variety of possible movement patterns is best attributed to selective reinforcement learning.

The basal ganglia play an essential role in motor learning and action selection, which is crucial for behavior. Reinforcement learning, which is used in the basal ganglia, is an effective way to learn what movements are successful and how to create new movements. The basal ganglia are thought to be responsible for encoding task-relevant information in a subset of striatal neurons.

These neurons then create a signal that guides behavior towards successful actions.The basal ganglia rely on a strategy of selective reinforcement learning to evoke one specific movement pattern out of an almost infinite variety of possible movement patterns.

The basal ganglia are constantly receiving inputs from the cortex, thalamus, and other areas of the brain, which they use to guide the execution of movement patterns. The basal ganglia evaluate the effectiveness of movements based on feedback from the environment and selectively reinforce the movements that are most successful.

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Answer:

1. ) A controlled experiment only tests one Independent variable at once.

2.) I know that the control group is used as a comparison.

Answer:

Yes, people with aids do produce anti bodies.

Explanation:

People who have HIV produce special antibodies that enable them to suppress the virus.

Answer:

Carbohydrates

Explanation:

All of these break down into glucose and other simple sugars in the digestive system, then absorbed via BS and used by your body as energy.

Answer:

The answer is carbohydrates.

Explanation:

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This statement is FALSE that when salt is formed from positively charged sodium and negatively charged chlorine, the charge on the salt becomes negative because Na+ and Cl⁻ together NaCl (neutral), equal number of positive and negative charges add up to neutral and charge becomes zero.

Sodium (Na+), which is positively charged, and chloride (Cl), which is negatively charged, combine to make salt, which is naturally neutral and has no charge. Means that through a neutralization reaction, all charges are neutralized.

'What is neutralization reaction?'

A neutralization reaction is a chemical process in which an acid and a base combine to produce salt and water as the end products.

H⁺ ions and OH⁻ ions combine to generate water during a neutralization process. Acid-base neutralization is the most common type of neutralization reaction.

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