Please solve this thank tou

1. Enzymes

2. Fingerprint

3. PCR

Explanation:

1. Restriction enzymes are those enzymes that cuts or cleave the DNA sequence at specific sites called recognition sites. The DNA pieces thus obtained is amplified and used for analysis and comparison. Restriction endonucleases cuts the phosphodiester bond of the DNA strand in the interior and Restriction exonucleases cuts at the ends.

2. DNA Fingerprint is the technique in which the DNA samples are run in the gel which separates the DNA strands based on its size which is then compared to the reference DNA sample. Therefore, DNA fingerprint is used in crime scene investigation. During the process of gel electrophoresis, the sample DNA is loaded into the gel with the help of a micropipette and then allowed to run in the presence of electric current.  The DNA strands gets separated based on its size and charge.

3. Polymerase chain reaction (PCR) is the process of amplification of DNA. In crime scene investigation, the DNA sample of the suspect is amplified millions of times to evaluate and compare with the criminal's DNA sample  using PCR. In the process of PCR, DNA template, DNA Polymerase enzyme (Taq polymerase), primers are required. Temperature plays an important role in the process of PCR.

Answer:

enzymes

Explanation:

Answer: (+1) for each H and (-2) for each O, (+4) for Se

Explanation:

Answer:

Energy in an ecosystem is mainly made by the producers of an ecosystem. The net primary productivity in an ecosystem depends on many factors. Some of them are:

Final answer:

Ecosystem productivity is mainly influenced by abiotic factors such as temperature and moisture, with net primary productivity being a key measure. Warm, wet climates lead to higher productivity, while extreme conditions result in lower levels. These factors dictate the type and abundance of plant and animal life in various biomes.

Explanation:

Factors that influence ecosystem productivity are primarily determined by abiotic factors like temperature, moisture, and availability of resources. In terrestrial environments, net primary productivity is a critical measure, representing the rate at which plants produce organic matter through photosynthesis minus what is used during cellular respiration. This productivity is largely dependent upon conditions favoring plant growth, such as warm and wet climates that facilitate efficient photosynthesis, enzymatic activity, and minimal water loss through transpiration.

Biomes such as tropical rainforests exhibit high net primary productivity due to optimal growth conditions. In contrast, environments such as deserts or tundra biomes, with extreme temperatures and limited water, display much lower levels of primary productivity. This, in turn, affects the type and abundance of animal life they can support. Consequently, changes in abiotic factors like climate can have significant impacts on the productivity of ecosystems worldwide.

Answer:

D.

Explanation:

In terms of being ethical or unethical, it would be unethical to purposely dump 10 million liters of crude oil into the Gulf of Mexico because of the damage it would do to the organisms living there including plants, animals, and people.

Answer:

D. variation.

Explanation:

In order for natural selection to occur, Charles Darwin stated we must begin with a population that has genetic variation. The genetic variation allows some members of the population to have traits, like a certain color, that helps them to survive. If an organism survives, it reproduces, and then passes those traits on to the offspring.

For natural selection to occur as defined by Charles Darwin, there needs to be genetic variation within a population of organisms. When a certain trait provides a survival advantage, it becomes more common over generations through the process of natural selection.

In order for natural selection to occur, Charles Darwin indeed stated that we must begin with a population of organisms that possesses diverse genetic variation. This genetic variability within a population is vital for natural selection, as it represents different adaptations of the organisms to their environment. When a certain trait gives an organism an advantage in survival and reproduction in a particular environment, this trait would increase its frequency in the population over generations through the process of natural selection. For instance, if a species of birds exists where some have short beaks and others long, and if long beaks turn out to be more advantageous in obtaining food, then the long-beaked birds will have a higher survival rate and thus more offspring. Over generations, the prevalence of long beak will increase in the population thus illustrating natural selection.

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Answer:

Both chromatin and chromosome structures are nucleoprotein complexes in which chromatin is uncondensed part whereas chromosome is condensed part.

Explanation:

Chromatin, made up of DNA and protein, compactly forms into chromosomes visible during cell division. The structure of chromosomes is a direct result of how chromatin is arranged and packed.

The relationship between chromatin and chromosomes is essentially related to their structure and function inside a cell. Chromatin is a substance within a chromosome consisting of DNA and protein. It is the material that makes up the chromosomes when a cell is at rest. Chromosomes, on the other hand, are highly condensed structures formed by chromatin that are visible during cell division. Therefore, the structure of chromosomes is directly derived from the arrangement and packing of chromatin.

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Answer:

Peyer's patch

Explanation:

Answer:

B.

to serve as a judge when asked to hear a legal case

hope this helps

Answer:

B

Explanation:

Answer:

The rock cycle is a basic concept in geology that describes transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Each rock type is altered when it is forced out of its equilibrium conditions. For example, an igneous rock such as basalt may break down and dissolve when exposed to the atmosphere, or melt as it is subducted under a continent. Due to the driving forces of the rock cycle, plate tectonics and the water cycle, rocks do not remain in equilibrium and change as they encounter new environments. The rock cycle explains how the three rock types are related to each other, and how processes change from one type to another over time. This cyclical aspect makes rock change a geologic cycle and, on planets containing life, a biogeochemical cycle.

Answer:

basic concept in geology that describes traditions through geologic time among the three main rock types.

Explanation:

it is formed under extreme pressure and temperature deep inside mountain chains.

Phenotype is Type A: Type B

Genotype is 1:1

Explanation:

It is given that type B woman is homozygous.  

Thus the genotype of the woman can be BB or bb

The man is of type A and heterozygous.

Thus the genotype of the man is Bb

We see that when the genotype is heterozygous Bb then the gene expresses type A condition

So, when the alleles are in homozygous dominant condition then the gene BB will also express in type A condition.

But we know that the women is type B. So, the genotype of the women is bb.

Cross between bb X Bb is shown in the punnett square attached

Thus,

Phenotype is Type A: Type B

Genotype is 1:1

During his teenage years, Alex likely experienced an adolescent growth spurt, caused by hormonal changes during puberty, leading to a rapid increase in height and muscle development.

Alex's height increase during his teenage years is most likely due to the adolescent growth spurt, which is a period of rapid growth that happens during puberty. In boys, growth in height typically starts to increase early in puberty, spurred by the release of hormones such as testosterone, growth hormones, thyroid hormones, and androgens.

The peak rate of height growth can reach about 10 centimeters per year. This rapid growth period generally lasts for several years, and it's also during this time that muscle development occurs, which can continue even after height growth has ceased.

The phenotype ratio for a cross between a white-eyed male and a female heterozygous for red eye color is 1:1:1:1, consisting of equal parts red-eyed females, white-eyed females, red-eyed males, and white-eyed males.

The phenotype ratio for a cross between a white-eyed male and a female that is heterozygous for red eye color in fruit flies can be determined using Mendelian genetics. The white-eye mutation is often found on the X chromosome and is recessive. Assuming the female has one red (dominant) and one white (recessive) allele (XWXw), and the male has only the white allele (XwY), their offspring's phenotypes depend on the alleles they inherit.

Half of the male offspring will receive the Xw allele from their mother and a Y chromosome from their father, resulting in white eyes (XwY). The other half will receive the XW allele and a Y from their father, resulting in red eyes (XWY). Female offspring will receive one X chromosome from each parent. Half of the females will be red-eyed (XWXw), and half will be white-eyed (XwXw). This yields a phenotype ratio of 1 red-eyed female: 1 white-eyed female: 1 red-eyed male: 1 white-eyed male, or simply 1:1:1:1.

Considering an Aa x Aa cross for a different scenario, the phenotype ratio is typically 3:1 for the dominant versus recessive trait. A dihybrid cross like AABb x Aabb yields a 9:3:3:1 phenotype ratio when both traits are considered, but if we consider only one trait at a time, we observe a 3:1 monohybrid cross ratio. When you cross AAbb with aabb, all offspring will display the recessive phenotype, resulting in a 1:0 ratio. For pea plants, a cross between a YY and yy individual yields all yellow offspring (1:0), while a Yy x Yy cross gives a 3:1 yellow to green ratio. When crossing guinea pigs, an SS x ss yields all smooth coat offspring (1:0) and a Ss x ss cross results in a 1:1 ratio of smooth to rough coats.

Answer:

The Global Positioning System (GPS) works in conjuction with electronic collars to enable scientists to track endangered animals.

Explanation:

Answer:

Which of these technologies allows scientists to follow the movements of animals after placing electronic collars on them?

hidden camera being placed on animals or strategic location of this camera has greatly helped in monitoring movement although the usage of drones has taken over the use of helicopter in monitoring of animal movement

Explanation:

Answer:

The respiratory system.

Explanation:

The circulatory system works with the respiratory system. The circulatory system transports oxygen through the body, while the respiratory system supplies the body with that oxygen.

I hope this helps. Happy studying. :)

The process of recombination, or crossover, happens during meiosis. It results in the exchange of genetic material between homologous chromosomes, leading to unique combinations of maternal and paternal genes. This process contributes significantly to genetic diversity.

The process that results in recombination of genetic material is known as crossover, or recombination. It takes place during meiosis when two homologous chromosomes align and exchange parts of their genetic material.

This process results in the creation of recombinant chromosomes which contain a mix of maternal and paternal genes that did not exist before the crossover. Multiple crossovers can occur, each generating a unique combination of genes. This recombination adds to genetic diversity among gametes and is a vital component of evolution.

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Answer:

8.7 million animals #markasbrainliest

However both Rhinoceros and Paraceratherium belong to the same kind species, they have some differences in some aspects.

Explanation:

1. The accurate size of Paraceratherium is undiscovered because of the incompleteness of the specimens. but some analyses show that Paraceratherium is larger than rhinoceros.

2.No, their facial composition differs because Rhinoceros have a large horn in its front but Paraceratherium doesn't have.

3.paraceratherium had large, tusk-like teeth and The legs were long and pillar-like. rhinocerous have a strong, cylindrical body with a large head, almost short legs, and a tiny tail.

4.yes they have overall related developments in their edifice and behaviors.

5.Image

Answer:

B

Explanation:

The stage of the cell cycle could be mitosis, cytokinesis, or interphase, depending on the cell's current activities and appearance. Mitosis is where the nucleus divides, cytokinesis is where the cytoplasm splits into two new cells, and interphase is a preparatory phase where the cell grows and DNA replicates.

The question seems to be asking at which stage of the cell cycle a particular cell is, but without a visual representation or further details, it's impossible to definitively say. However, let's explain what happens in each stage. Mitosis is the part of the cell cycle in which the nucleus of the cell divides. It's generally preceded by interphase and followed by cytokinesis. Cytokinesis is the stage where the cell's cytoplasm splits, creating two separate cells. Meanwhile, interphase is the phase in which a cell prepares and grows before mitosis, and it also is the stage where DNA replication occurs. Hence, a cell could be in any of these phases based on its activities and appearance.

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The cell is in the stage of mitosis.

The correct option is (a).

- Mitosis is the phase of the cell cycle where the cell divides its nucleus into two identical nuclei.

- During mitosis, the chromosomes condense, align at the metaphase plate, separate into two sets, and move to opposite poles of the cell.

- This stage is crucial for growth, repair, and asexual reproduction in organisms.

- Mitosis is followed by cytokinesis, where the cytoplasm divides, resulting in two daughter cells with identical genetic material.

- Interphase, the longest phase of the cell cycle, precedes mitosis, during which the cell prepares for division by growing, replicating DNA, and performing its normal cellular functions.

Answer:

RNA moves the DNA code to the ribosomes for protein synthesis

Explanation:

Translation is the process by which mRNA is decoded and translated to produce a polypeptide sequence, otherwise known as a protein. This method of synthesizing proteins is directed by the mRNA and accomplished with the help of a ribosome, a large complex of ribosomal RNAs (rRNAs) and proteins. In translation, a cell decodes the mRNA genetic message and assembles the brand-new polypeptide chain. tRNA, translates the sequence of codons on the mRNA strand. The main function of tRNA is to transfer a free amino acid from the cytoplasm to a ribosome, where it is attached to the growing polypeptide chain. tRNAs continue to add amino acids to the growing end of the polypeptide chain until they reach a stop codon on the mRNA. The ribosome then releases the completed protein into the cell.

Answer:

RNA moves the DNA code to the ribosomes for protein synthesis

Explanation

The sodium hydroxide solution and vegetable oil underwent a chemical change.

The reaction between a base and a fat or fatty acid is called as saponification reaction. Here the base dissociates into the cation and hydroxyl ion. The hydrogen from the fatty acid of the oil reacts with the hydroxyl ion to form water which is basically the neutralization reaction. This cation now reacts with the rest of the fatty acid to form a bipolar molecule which is the soap. During the reaction, the solution becomes cloudy but with time, it again goes back to solution. The cloudyness appears because oil isn't soluble in water based solutions and the base is actually made solution in water.

Here the sodium hydroxide reacts with oil to form water and the soap molecule which is a chemical change.

Answer:

The sodium hydroxide solution and vegetable oil underwent a chemicalchange.

Explanation: did it on study islandddd <3

Answer:i hope i am not late lol, anyway,fine texture

- small crystal size

Explanation:the extrusive rocks are type of rocks that form on the surface of the earth, be in water or on land

Answer:

(A) - how rocks change from one type to another

(B) - which processes are involved in rock changes

Explanation:

These are correct. Did them on edge 2020.

I hope this helps <3

Final answer:

Chloroplasts carry out photosynthesis to produce glucose and oxygen, while mitochondria perform cellular respiration to produce ATP. Both organelles are double-membraned and contain their own DNA and ribosomes, but they have different structures like cristae in mitochondria and chlorophyll-containing thylakoids in chloroplasts.

Explanation:

The function of chloroplasts and mitochondria within a cell are crucial for energy production and metabolism. Chloroplasts carry out photosynthesis, a process where carbon dioxide (CO₂), water, and light energy are used to make glucose and oxygen. The products of photosynthesis, glucose and oxygen, are essential for the cell as glucose serves as energy for cellular activities and oxygen is vital for aerobic respiration. Mitochondria, on the other hand, perform cellular respiration where glucose is broken down with oxygen to produce carbon dioxide, water, and ATP (adenosine triphosphate), the energy currency of the cell.

The importance of these processes to the cell lies in their role in energy transformation. Photosynthesis captures light energy and converts it into chemical energy stored in glucose, while cellular respiration converts the chemical energy in glucose into ATP, which can be readily used by the cell for various functions. These organelles have structural similarities, with both encased by a double membrane and having their own DNA, but they also have differences such as the presence of cristae in the mitochondria and thylakoids with chlorophyll pigments in chloroplasts.

Structural and Functional Similarities and Differences

An individual's mass remains the same when they go to the moon, but their weight decreases due to the moon's lower gravitational pull.

Going to the moon would influence your mass and weight differently. Despite the difference in location, your mass would remain the same due to being an intrinsic property not influenced by gravity. However, weight, on the other hand, would decrease considerably when one is on the moon. Weight refers to the force of gravity exerted on an object. Because the moon's gravitational pull is only one-sixth of Earth's gravity, your weight on the moon would be one-sixth of your Earth-bound weight. For instance, a 60kg individual would still be 60kg mass-wise on the moon, but their weight would drop from approximately 588 N on Earth to approximately 100 N on the moon.

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Final answer:

The inquiry falls under the subject of Geography within the field of Geology, as scientists aim to determine if a meteor created a landform. Geological investigation is complemented by geographical techniques for explaining and predicting landscape changes.

Explanation:

The question pertains to a team of scientists working to determine if a meteor created a landform, which relates to the field of Geology. Geology is integral to understanding Earth's landforms, including those created by meteors. For instance, scientists employ geology to study the plate tectonics that form Earth's crust and contribute to the creation of various geological structures. Moreover, the history of meteorites, beginning in the late eighteenth century, shows that geologists and astronomers have long been intrigued by the extraterrestrial origins of certain stones that fall to Earth.

Understanding the effects of an asteroid impact, as well as analyzing patterns on Earth's surface and changes in the landscape, require knowledge of spatial science and geography. This includes plotting data on a map to verify clustering phenomena. Therefore, to ascertain whether a meteor has shaped a particular landform, scientists would utilize geological and geographical methods and data analysis.

Answer:

When acid rain falls on the marble stone, it dissolve calcium when the acid present in the rain water react with the calcium of the marble stone.

Explanation:

Acid rain is formed when gases such as carbondioxode and sulfur dioxide etc that is emitted from vehicles and industries goes to the atmosphere and react with the water present in the form of clouds and formed the water acidic. When this water comes down to the earth, it damage many materials due to acid present in it.

Answer:

The correct option is

b.) The weight of the chicken would increase, but there would be no

    change in mass.

Explanation:

Jupiter is a larger and more massive planet than Earth.

The gravity of Jupiter is much more than Earth.

The weight of an object on a planet depends on the planet's gravity.

The weight of an object on a planet  = (mass of the object) [tex]\times[/tex] (gravity of the planet)

Therefore the mass of an object is the same on any plant irrespective of the gravity of the planet.

Since the gravity of Jupiter is more than that of Earth then the weight of the  chicken on Jupiter will be more than the weight of the same chicken on Earth.

Therefore the correct option is

b.) The weight of the chicken would increase, but there would be no

    change in mass.

Answer:

Career counselling is one of the best methods which can help students to develop a career in their field of interest. While choosing a career, the students should keep in mind that they should chose the option in which they are interested. The students should spend time in exploring different careers in their field of interest and choose accordingly.