can someone please tell me what bug this is?

Answer:

The correct answer is

Explanation:

Lobster is the answer. People eat lobster in pieces which we call as lobster piece.

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Answer:

The correct answer is

Explanation:

Lysosomes are used in transportation of cytoplasm.

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La respuesta correcta para esta pregunta abierta es la siguiente.

Desafortunadamente no mencionas el país donde vives, para redactar el ensayo tomando en cuenta los valores y cultura de ese país. Sin embargo, te pongo  el ejemplo de mi país. Tu ajusta las ideas al tuyo. Deseo que te sirva.

Uno de los más grandes atributos que tenemos los Mexicanos es nuestra reconocida variedad cultural, lo cual nos da una identidad única en el mundo.

Somo un país con una de las historias más ricas del planeta, ya que somos descendientes de civilizaciones tan antiguas como la Olmeca y la Tolteca, además de los grandes imperios Maya y Azteca, dos grandes culturas de Mesoamérica.

Cada región en los 32 estados del país, es un México diferente. Lo que nos une es esa preciosa bandera tricolor, con nuestro símbolo patrio: un águila devorando una serpiente.

Somos un país donde se encuentran muchos de los sitios arqueológicos más importantes de las civilizaciones antiguas. Por ejemplo, el mundo Maya: Chichen Itza(petrimonio de la Humanidad por parte de la UNESCO), Palenque, Uxmal, Tulum, entre muchos otros. O el sitio arqueológico de Cholula, con la pirámide cuya nase es la más grande del mundo. En Oaxaca está el sitio arequológico de Monte Albán. Y por su puesto, la gran ciudad de los dioses, Teotihuacán, con sus imponentes pirámides del Sol, la Luna, y el Quetzalcoatl.

Nuestra comida es reconocidamundialmente por su sasón, sabor, y variados ingredientes. La Yucateca y sus papatzules o huevos motuleños. ¡Qué decir de la cochinita pibil! La Poblana con su riquísimo mole, cemitas o chalupas. El cabrito en el estado de Nuevo León. En fin, no hay estado en donde no haya una receta propia para cocinar enchiladas, tacos, sopes, tlacoyos, huaraches, tostadas, tlayudas, o tamales.

No cabe duda que los Mexicanos nos sentimos orgullosos de 600 años de historia, luchas, independencia y la solidaridad que nos caracteriza como país.

Answer:

Root pressure is caused by the accumulation of water in the xylem pushing on the rigid cells

THE EXCRETORY SYSTEM

Answer: The attachment shows the nephron which is the functional unit of the kidney.

It does the work of urine formation through 3 distinct processes.

-Ultra filtration( Small molecules are forced out of the selectively permeable membrane of the glomerulus into the Bowman's capsule under regulated pressure.these molecules are from the blood in the glomerulus brought in by the afferent arteriole.

- Selective reabsorption ( Useful molecule and iron such as glucose and sodium are reabsorbed back into the blood as the filtrate flows through the tubule(nephron)

-Tubular Secretion. ( Movement of molecules not filtered by the glomerulus during the initial stage of filtration back into the filtrate through the renal capillaries.

Stella's urine sample shows the presence of large protein (ULTRAFILTRATION)

John's blood test report indicates a high toxin level ( ULTRAFILTRATION AND TUBULAR SECRETION)

Miguel's blood test shows an increase in metabolic waste( ULTRAFILTRATION AND TUBULAR SECRETION)

Janice's urine report shows the presence of vital materials ( SELECTIVE REABSORPTION).

Answer:

To improve the reliability of the results, the nutritional component of each category of water must be tested and recorded.

Second, the experiment should be carried out under greenhouse conditions.

The above actions will afford more control. When an experiment is controlled, it means that except for the dependent variable, all other variables are kept constant by the scientist.

By performing the experiment under greenhouse conditions, the kind of water the plants receive, temperature and other biotic actors are kept within measurable limits thus increasing the reliability of the results.

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Answer:

we can find such type of genetic disorders through pedigree chart.

Explanation:

cystic fibrosis is a Autosomal recessive disease

Muscular dystrophy is a Autosomal dominant disease.we can see them by observing the next generations going on .we can't find them in person's DNA fingerprint profile.

Answer: the modern production of the cars change the way of transportation

Modern houses change the way where people locate

Another example of how technology has changed how people live is the widespread use of smartphones and mobile applications.

Smartphones have become an integral part of daily life for many people, revolutionizing the way we communicate, access information, and carry out various tasks.

Some ways in which smartphones and mobile applications have transformed our lives:

1. Communication: Smartphones have made communication more convenient and accessible. With features like instant messaging, video calls, and social media apps, people can easily connect with others regardless of their location.

2. Information Access: Smartphones provide instant access to a vast amount of information through the internet. With a few taps on a smartphone screen, people can search for news, look up facts, find directions, or access educational resources.

3. Online Shopping: E-commerce platforms and mobile shopping apps have revolutionized the way people shop. With smartphones, individuals can browse and purchase products or services from anywhere, anytime.

These are just a few examples of how smartphones and mobile applications have significantly changed the way we live.

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Answer:

1. Surface (substratum) is preconditioned by environment molecules.

4. Microbes attach and detach from the preconditioned surface.

2.Quorum sensing and the establishment of the extracellular matrix commences as microbes attach more stably.

3. Biofilm matures and some microorganisms escape to the plank-tonic state.

Explanation:

Biofilm is a process in which microorganism irreversibly attach and grow on the surface to produce extra cellular polymers that facilitate formation of matrix. The biofilm process takes three days for the formation after which thickness of plaque increases. There are 4 main steps in biofilm formation. Surface is preconditioned by environment molecules. The microbes attach the preconditioned surface. Establishment of extra cellular matrix and finally biofilm matures.

Answer:

Explanation:

xylem vessels transport water and nutrient from roots to the other parts of the plant

trachieds are elongated in the xylem of vascular plant that play role in the transport of water and mineral salt

seive tube are the elongated living cells of the phloem in the flowering plant  they are the conduits of food (mostly sugar) transport

Answer:

North and South pole are cold as they do not receive direct sunlight. South pole is much colder than North pole. The Sun is always low on the horizon, even during summer and winters.

The Sun only comes up for a few months, that is why both nights and days are dark and cold.

The average mean temperature in summers at North pole is 32 degrees Fahrenheit and in winters its minus 40 degrees. While at south pole it is minus 18 degrees Fahrenheit and in winters it is minus 76 degrees Fahrenheit.

Answer:

The correct order of events would be - 4, 5, 1 and 2.

Explanation:

In the process of producing the cloned there are various steps are involved. Carrying out these steps in order is essential to produce the cloned animal. These steps are in correct order are given as follows-

4. A cell was taken from an adult sheep or the animal that is desired to be cloned.

5. All nuclear DNA was removed from an egg of the sheep.

1. two distinct cells of the animal were fused together with the help of electrical current.

2. the embryo formed by fusing the cells now implanted into a surrogate mother.

Answer:

D. Supporting

Explanation:

Ecosystem services include provisioning, regulating, culture and supporting services.

Opening of a mineral mine along a small mountain range will affect the supporting services of ecosystem because supporting services deals with soil formation, provision of habitat and nutrition cycle.

Opening of mineral mine will destroy the tosoil, landscape, forests and wildlife of mountain area which affect the supporting services such as habitat and soil formation.

Hence, the correct answer is "D. supporting".

Explanation:

Although bile juice does not contain any enzymes, it contains bilirubin and biliverdin. These help to break big fat globules into small globules which is taken to pancreatic juices to be further digested. This is known as emulsification of fat. It also helps in secretion of lipase. Thus it plays an important role because majority of the fat digestion process is carried out by it.

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Answer:

true

Explanation:

because land environment is different from water environment .

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Answer:

True

Explanation:

Explanation:

Wuhan chine in November

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#1 goes to methane, #2 goes to oxygen,#3 goes to carbon dioxide,#4 goes to carbon dioxide. make sure you double check.

Explanation:

A plant can produce oxygen sufficient for the consumption of four people whereas carbon dioxide absorbed by the plant is more than forty-eight pounds. The total release of carbon dioxide by livestock is 15 % of the greenhouse gas production whereas methane production is 155-264 pounds. When a forest fire happens it releases a massive amount of carbon dioxide which is around 1.8 million tons.

Greenhouse gases are gases such as methane, carbon dioxide, CFCs, and HFCs. They have impacted the atmosphere negatively. The concentration of these gases is highly rising in the atmosphere at an alarming rate. These gases trap the heat of the sun and do not leak out.

Therefore, the emission of greenhouse gases should be monitored.

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Answer:

The bone tissue and muscle tissues interact for the system is more complex than components system is separately.

Explanation:                                                                                                       Bone tissue and muscle tissue responsible for communication between bone and muscle is to research potential especially bone and muscle.

That they are bone and muscle are concept that bone and communicate biochemical  and complementary and work bone and muscle in health and disease.

The bone and muscle in the viewed as that  mechanical nature, bone simply the attachment sites, this is much more complex bone and muscle.

Development to the bone and muscle cells only a common experience a tightly networks of genes.

The muscle and bone regarding review article major goal of loading, bone and muscle relation mechanical coupling, and is also earliest muscle factors, bones are not through of as the pituitary adrenals, bone endocrine organ .

Answer:

B. the rate of forward reaction increases .

Answer:

True

Explanation:

It is true that Mendel always got close to a 9:3:3:1 ratio for phenotypes in the F2 generation of any dihybrid cross. This validates his law of independent assortment of genes.

The 9:3:3:1 is usually gotten from any dihybrid cross of F2 generation. The results given are always 9 offsprings containing dominant traits, 3 offsprings each which possess a dominant and recessive trait and 1 offspring with a recessive trait.

Answer: For the scientist to have alternative hypothesis considered, it is imperative he takes certain steps, this steps will ascertain the scientific claims already made about the evolution of species.

Therefore,the scientist will simply test the alternative hypotheses inorder to know that they are incorrect.

This testing of hypotheses to ascertain their incorrectness is very useful in the study of fossils.

Answer:

the problems are that there are so many different species that they aren't easy to classify.

Answer:

The different types of waste are urban, industrial, agricultural, biomedical, and radioactive wastes.

Methods used within biodegradable waste management are composting, landfilling, incineration, recycling and plasma gasification.

Explanation:

Answer:

Composting. Since biodegradable or organic wastes like vegetable peels, waste food, leaves, dead flowers, and egg shells can be recycled, they are converted into manure by burying them in compost pits.

Explanation:

Answer:

Interphase:

The DNA is present as uncondensed chromatin, which is not visible under a microscope. The DNA is contained within a clearly defined nucleus . Centrosomes and other organelles have been duplicated , and the cell is enlarged in preparation for division .

Prophase:

The DNA supercoils and chromosomes condense, becoming visible under a microscope). The chromosomes are comprised of genetically identical sister chromatids, which are joined at a centromere). Paired centrosomes then move to the opposite poles of the cell and form microtubule spindle fibers , the nuclear membrane breaks down, and the nucleus dissolves .

Metaphase:

The microtubule spindle fibers from both centrosomes connect to the centromere of each chromosome , microtubule depolymerisation causes spindle fibers to shorten in length and contract , causing chromosomes to align along the center of the cell.

Anaphase:

The continued contraction of the spindle fibers cause genetically identical sister chromatids to separate . Once the chromatids separate, they are individual chromosomes. The genetically identical chromosomes move to the opposite poles of the cell .

Telophase:

Once the two chromosome sets arrive at the poles, spindle fibers dissolve  and chromosomes decondense, becoming invisible under light microscopes.  Nuclear membranes reform around each chromosome set , and cytokinesis occurs concurrently, splitting the cell into two separate cells.

Answer:

they considered valid but a certain idea of acquired characteristics being inherited was rejected

Explanation:

his theory was that if the environment demanded a need or use of a structure in an organism it developed it in response to demand leading to natural use or disuse of structures which he said that these new structures would be passed to their offspring leading to emergence of a new species. scientists accepted that the environment has a role in directing phenotypic changes in an individual taking a body builder for example since his muscles will become huge due to continuous use of the muscles in exercises

but scientists rejected his theory of these acquired characteristics were inherited since phenotypically acquired characteristics that do not affect the genotype of an individual can't be inherited

Complete question:

You are tracking three loci in the fruit fly, loci A, B, and C, and want to know whether the loci are linked and if so what their physical distances are from one another as well as the physical order they are in. To find out this information you perform a three-point testcross with a fly that is heterozygous for all three alleles. The progeny of this cross are:

a/a B/b C/c    389

A/a b/b c/c     410

a/a b/b C/c       39

A/a B/b c/c       44

a/a b/b c/c        77

A/a B/b C/c      83

a/a B/b c/c          6

A/a b/b C/c         5

Total                 1053

(a) What is the recombination frequency between loci A and B?  

(b) What is the recombination frequency between loci B and C?  

(c) What is the recombination frequency between loci A and C?

(d) Are these loci linked?

(e) Demonstrate the physical arrangement of the genes on the chromosome, i.e. the order of the genes on a chromosome as well as their map distances.  

(f) Write out the genotypes of the parents for this cross, indicating which alleles are linked with one another for each parent?

Answer and Explanation:      

The Crossing-over frequency between two genes depends on the distance between them. A short distance between genes is a very little target for crossing-over to occur, which means that only a few of them will happen, compared with the number of events between genes that are more separated between each other.  Two genes that are very close will have a few recombination events and are strongly bounded.  While two separated genes will have more chances of recombination and are not bound.

To know if two genes are linked, we must observe the progeny distribution. In a tri-hybrid cross, If individuals, whos genes assort independently, are test crossed, they produce a progeny with equal phenotypic frequencies 1:1:1:1:1:1:1:1. If we observe a different distribution, that is that phenotypes appear in different proportions, we can assume that genes are linked in the heterozygote parent.

In the present example, the phenotypic ratio shows different proportions than the expected ones if they were not linked.

We can recognize the parental gametes in the descendants because their phenotypes are the most frequent,

a/a B/b C/c    389

A/a b/b c/c     410  

while the double recombinants are the less frequent.

a/a B/b c/c          6

A/a b/b C/c         5        

And simple recombinant gametes produced by the cross, which frequencies are intermediate.  

a/a b/b C/c       39

A/a B/b c/c       44                  

a/a b/b c/c        77      

A/a B/b C/c      83      

Comparing the parental and the double recombinant we will realize that they only change in the position of the alleles C/c. This suggests that the position of the gene C is in the middle of the other two genes, A and B, because in a double recombinant only the central gene changes position in the chromatid.

A------C------B

Now we will call Region I to the area between A and C and Region II to the area between C and B.

Once established the order of the genes we can calculate distances between them, and we will do it from the central gene to the genes on each side. First We will calculate the recombination frequencies, and we will do it by region. We will call P1 to the recombination frequency between A and C genes, and P2 to the recombination frequency between C and B.

P1 = (R + DR) / N

P2 = (R + DR)/ N

Where: R is the number of recombinants in each region, DR is the number of double recombinants in each region, and N is the total number of individuals. To calculate the recombination frequency, we have to know that 1% of recombinations = 1 map unit = 1cm. And that the maximum recombination frequency is always 50%.  

So:

Now, to calculate the recombination frequency between the two extreme genes, A and B, we can just perform addition or a sum:

P1 + P2= Pt

0.162 + 0.089 = Pt

0.251 = Pt  

The genetic distance will result from multiplying that frequency by 100 and expressing it in map units (MU).  One centiMorgan (cM) equals one map unit (MU). The map unit is the distance between the pair of genes for which one of every 100 meiotic products results in a recombinant product.

(a) What is the recombination frequency between loci A and B?    0.251

(b) What is the recombination frequency between loci B and C?   0.089  

(c) What is the recombination frequency between loci A and C?  0.162  

(d) Are these loci linked?  Yes. Their recombination frequency is inferior to 50% and the phenotypic rate is different from 1:1:1:1:1:1:1:1

(e) Demonstrate the physical arrangement of the genes on the chromosome, i.e. the order of the genes on a chromosome as well as their map distances.  

A-------------------C-----------------B

A--- 16.2 UM --C ---8.9 UM--B

A-------------25.1 UM--------------B

(f) Write out the genotypes of the parents for this cross, indicating which alleles are linked with one another for each parent?

a/a C/c B/b  x   A/a c/c b/b    

Answer:

The answer is "All of the above statements are true".

Explanation:

In the given-question all choices were true, which can be defined as follows:

Answer:

D) that geographically isolated groups of dogs may be selected for quite different traits, resulting in a different dog breed

Explanation:

Artificial selection is a type of selective breeding made by humans in which offspring with desired traits are selected. Modern dogs evolved by artificial selection. Dog breeding began around 30,000 years ago from selective breeding of wolves that were separated from their original population and bred to produce dogs with desired traits (especially, loss of aggressive behavior). Purebred are reproductively isolated groups of dogs originated from the same lineage (i.e., the same common ancestor for each group), that never mated with another dog breed.