Nothing much I don’t got a question

Answer:

Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco.

Explicación:

Si se toma un gallo morado (raza andaluza) y se cruza con una gallina blanca de la misma raza, los polluelos serán azules. Al cruzar estos polluelos entre sí, la relación fenotípica es diferente en su descendencia. Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco. Esto se debe a que el color púrpura tiene un alelo dominante debido a que más pollitos tienen color púrpura y menos pollitos tienen color blanco debido al alelo recesivo.

The nervous system is the major controlling system, thus, the Nervous system help produce the vomit it uses as a defence.

The main functions of the nervous system are:

Thus, the option nervous system is correct, as the nervous system is the major controlling system whereas others are not.

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a. Endangered Species: African Elephant: The African elephant is a majestic species that is facing extinction due to various factors. Approximately 415,000 African elephants remain in the wild, with their population declining by 60% over the last 75 years.

b. According to the International Union for Conservation of Nature (IUCN), the African elephant is classified as vulnerable, and it is estimated that if current trends continue, they could be extinct within the next few decades.

The major cause of their future demise is the illegal wildlife trade, particularly the demand for ivory. Poaching for ivory has led to the killing of tens of thousands of elephants each year, resulting in severe population declines in many African countries. In addition to poaching, habitat loss and fragmentation, human-wildlife conflict, and climate change also pose significant threats to African elephants.

To help African elephants, several conservation efforts are underway. These include anti-poaching measures, habitat restoration, and community-based conservation programs. In addition, many countries have banned the trade in ivory, although enforcement of these laws can be challenging.

Vulnerable Species: Snow Leopard: The snow leopard is a vulnerable species that is found in the high-altitude mountain ranges of Central and South Asia. Approximately 4,000 to 6,500 snow leopards remain in the wild, with their population declining by 20% over the last three decades. According to the IUCN, the snow leopard is classified as vulnerable due to habitat loss and fragmentation, poaching, and retaliatory killings by herders.

The major cause of their decline is habitat loss and fragmentation due to human activities such as mining, agriculture, and infrastructure development. In addition, poaching for their pelts and body parts is also a significant threat to snow leopards. Retaliatory killings by herders who lose their livestock to snow leopards are also a major cause of their decline.

To help snow leopards, several conservation efforts are underway. These include habitat restoration, anti-poaching measures, and community-based conservation programs. In addition, the Snow Leopard Trust and other organizations are working to educate local communities about the importance of snow leopards and to promote sustainable development practices that minimize negative impacts on snow leopard habitat.

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The answer is the letter D. type O

The blood type O contains both the anti-A and anti-B antibodies in their plasma. Antigens are protein molecules that are found on the surface of red blood cells and they are involved in the natural defense of the body. They have the ability to recognize foreign substances including germs and aerts the

Answer:

C. a decrease in the chromosome number in every generation.

Explanation:

hope it helps .

AUCUGA  would possibly be an RNA.

A molecule identical to DNA is an RNA or ribonucleic acid.

RNA is single stranded and DNA is double stranded.

The backbone of an RNA strand is formed of alternating phosphate groups and sugar (ribose).

To each of the sugar, one of the bases is attached, that is, adenine (A), uracil (U), guanine (G), or cytosine (C).

There are many types of RNA present within the cell, that is, mRNA, rRNA and tRNA.

Thus, due to the presence of uracil in AUCUGA it could possibly be an RNA.

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Answer:

Paramecium

Explanation:

Paramecium use cilia, which are hair-like extensions that cover the outside of the cell

Anabolic pathways are the metabolic pathways that build molecules, while catabolic pathways break them down. These two pathways are opposing and require different enzymes for at least one of the steps. This is because the enzymes required for anabolic pathways are not suitable for catabolic pathways and vice versa.

Enzymes are highly specific, and they only catalyze specific reactions, which means that the same enzyme cannot be used for both anabolic and catabolic pathways.

For example, the enzyme hexokinase is used in the anabolic pathway of glucose synthesis, while glucose-6-phosphatase is required for the catabolic pathway of glucose breakdown.

Therefore, the opposing pathways need different enzymes to catalyze the specific reactions involved in each pathway.
To explain why opposing anabolic and catabolic pathways must have different enzymes for at least one of the steps:

Anabolic pathways involve the synthesis of complex molecules from simpler ones, requiring energy input. On the other hand, catabolic pathways involve the breakdown of complex molecules into simpler ones, releasing energy. Different enzymes are needed because these pathways have distinct functions and chemical reactions.

In conclusion, the opposing nature and specificities of anabolic and catabolic pathways require distinct enzymes for proper function and regulation.

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Answer:

C. can be unsightly and/or noisy

Explanation:

Answers A, B, and D correspond with fossil fuels (fracking, coal/gas mines), wind/environmentally-powered energy (turbines), and hydroelectric power (dams).

"Noisy" and "unsightly" are the most accurate descriptions of the nuclear energy process.

The evolutionary benefit of meiosis in reproduction is meiosis produces gametes with new combinations of alleles in the chromosomes. Therefore, the correct answer is the third option.

Meiosis is the process of chromosomal reduction that leads to the production of gametes (sex cells) needed for sexual reproduction. It only appears in eukaryotic cells that only plants, animals, and fungis have.

In this process, the double set of chromosomes is reduced into a single set. The single sets combine in sexual reproduction, resulting in double-set offspring. That allows a new combination of alleles in the new gametes while conserving the chromosomal number of the species.

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Answer:

All living things share a common code-DNA

Explanation:

Enzymes are proteinous substances, which like every other proteins are encoded by a genes. In the expression of these genes, a set of codons (three nucleotide base) called GENETIC CODE is used. ONE of the characteristics of this genetic code is that it is NEARLY UNIVERSAL meaning that the same genetic code is used by virtually all known living organism.

According to this question, lactase enzyme, which helps digest lactose sugar in organisms, is the same in different organisms. This is due to the fact that all living things share a common code-DNA e.g AUG codes for methionine in all organisms, hence, when these DNA undergoes expression, it yields the same products in different organisms.

With regard to maintaining homeostasis, in a positive feedback situation, the stimulus is reinforced.

If we study a system in homeostasis, the positive comments loop moves a system similarly away from the goal of equilibrium. It does this by means of amplifying the consequences of a product or event and occurs when something needs to take place quickly.

In positive comments mechanisms, the original stimulus is promoted in place of negated. positive feedback increases the deviation from a really perfect regular cost.

The system of exertions and childbirth is perhaps the most-noted instance of positive remarks. In childbirth, when the fetus's head presses up in opposition to the cervix, it stimulates nerves that inform the brain to stimulate the pituitary gland, which then produces oxytocin. Oxytocin reasons the uterus to agree.

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Answer:

3

Explanation:

First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal’s cells use molecules to make new cells.

the animal has to first eat the other organism, when food is ingested it is broken down into smaller molecules. Amylase breaks down complex sugars to glucose, protease breaks down protein

The F1 offspring of a long-haired black male and a tortoiseshell female homozygous for short hair will have a genotype combination.

Combination of both parents, resulting in short-haired kittens with black and tortoiseshell homozygous coat color. The yellow color is determined by a sex-linked gene, which is present only in females, thus there is no chance of obtaining a long-haired yellow male through combination interbreeding homozygous of the F1 cats. The absence of the long hair gene in the female parent will also ensure that combination the offspring produced will only have short hair. So, homozygous nature is the reason is in cats short hair is dominant over long hair;

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It is impossible to treat or cure viral diseases with antibiotics because they are medical drugs specifically designed to treat bacterial infections, which are different biological entities.

The term antibiotics medical drugs makes reference to all medication developed during the drug development process and aimed at preventing or curing bacterial infections, while viral infections are treated with antivirals.

Therefore, with this data, we can see that antibiotics are medical drugs used to treat bacterial infections, while antivirals are developed in order to prevent or cure viral infections.

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Answer:

C

Explanation:

Sunrflower is plant

Answer:

C. Sunflower

Explanation:

As we know that plants are the producers hence here in the given options Sunflower is the appropriate answer.

Rigor mortis usually sets in about nine hours after death occurs. It takes roughly 12 hours for rigor mortis to become fully established and about another 12 hours for it to start fading away as the body begins to decompose.

Correct answer is : True

Rigor mortis usually sets in about two to six hours after death occurs. It takes roughly 12 hours for rigor mortis to become fully established and about another 12 hours for it to start fading away as the body begins to decompose. Rigor mortis, or body stiffening, is the result of a decrease in ATP after death.

ATP is required for the muscles to relax, and without it, they become rigid. Rigor mortis can last up to 48 hours, after which the body becomes increasingly pliable as the muscles decompose.

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Answer:

163 fabric needed to make 250 collars.

Explanation:

Given that,

Length = 1.5 m

Width =137 cm

Number of order = 250

Use fabric = 65%

We  need to calculate the actual length need to make a collar

Using given data

\(Actual\ length =Length\times use\ fabric\)

Put the value into the formula

\(Actual\ length =1.5\times\dfrac{65}{100}\)

\(Actual\ length=0.975\ m\)

We need to calculate the total length of fabric

Using formula for total length

\(total\ length=Actual\ length\times Number\ of\ collars\)

Put the value into the formula

\(total\ length=0.975\times250\)

\(total\ length=243.75\ m\)

We need to calculate the number of fabric

Using formula for number of fabric

\(Number\ of\ fabric=\dfrac{total length}{length}\)

Put the value into the formula

\(Number\ of\ fabric=\dfrac{243.75}{1.5}\)

\(Number\ of\ fabric=162.5\approx 163\)

Hence, 163 fabric needed to make 250 collars.

Answer:

375

Explanation:

trust

Evolution is a long process that takes place over a very long period. It is often said to be gradual because it can take hundreds of generations to produce any noticeable change.

Fossil evidence, biochemical evidence, and comparative anatomy are some of the most compelling pieces of evidence for evolution. Genetics, natural selection, and comparative embryology are some of the others.In this context, the best evidence for evolution comes from the fossil record.

The fossil record gives us a glimpse into the distant past and shows us the evolution of life over time. We can see how different organisms have evolved and how they have adapted to changing environments. The fossil record also shows us how life has changed over time and how new species have emerged from existing ones.

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b

Explanation:

The Sun's gravity is enough to keep the Earth from flying off in a straight line, away from the Sun, but not enough to bring the Earth closer in - the Earth is continually changing its direction of movement, but in such a way that it follows a nearly circular path around the Sun.

Answer: As the years move on the green allele frequency of the beetles is going extinct while golden Blue beetles are rapidly overtaking the population and golden beetles are lowering in population but are not going extinct as quickly as the green beetles

Explanation:

Answer:

During natural gas extraction, methane escapes into the atmosphere.

Explanation:

hint "allowing gas to escape back up to well" the gas that escapes us is methane which is bad for the atmosphere.

The correct answer as to the environmental consequence of allowing gas to escape back up through the well during the process of fracking is that methane escapes into the atmosphere. The correct option would, therefore, be B.

Hence, gas extraction through fracking has the potential to cause methane to escape into the air.

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Answer:

to let plant grow

Explanation:

to give itself to the leaves,fruits and various plant cells so that the plant can grow and get water

D. Somatotopic mapping; retinotopic mapping; tonotopic mapping.

Somatotopic mapping refers to the organization of the somatosensory system, where sensory information from different body parts is represented in an ordered manner on the somatosensory cortex. Retinotopic mapping refers to the organization of the visual system, where visual information from different regions of the retina is represented in a spatially organized manner in the visual cortex. Tonotopic mapping refers to the organization of the auditory system, where different frequencies of sound are represented in an orderly manner along the auditory pathway, from the cochlea to the auditory cortex. These concepts highlight the idea of spatial organization and mapping of sensory information in the respective sensory systems. They demonstrate how different areas of the brain are dedicated to processing specific aspects of touch, vision, and hearing, allowing for efficient perception and interpretation of sensory stimuli in each modality. are somatotopic mapping, retinotopic mapping, and tonotopic mapping.

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Answer:

CDK and P53

Explanation:

I'm not sure about this but when I was learning about Eukaroytoic cell cycle, our analogy to learn the factors was the gas and break pedal. CDK is the gas pedal because it promotes cell division and P53 stops it

We eat food for several reasons, and two of them are for building blocks for our bodies and for fuel. The second and last options are correct.

Food provides us with energy in the form of calories, which are essential for the functioning of our cells, tissues, and organs.

Our food provides essential nutrients such as proteins, carbohydrates, fats, vitamins, and minerals. These nutrients are necessary for our body's growth, maintenance, and repair. Proteins are the building blocks of our body tissues, while carbohydrates and fats provide energy and support various bodily functions.

The energy obtained from food is utilized for various physiological processes, such as metabolism, movement, and maintaining body temperature.

While digestion and metabolism do produce waste products, such as carbon dioxide and urea, creating waste products is not the primary purpose of eating.

Food provides us with essential nutrients, including proteins, carbohydrates, fats, vitamins, and minerals, which serve as building blocks for our body's growth, repair, and maintenance.

Eating does not directly impact the levels of oxygen in our bodies. Oxygen is primarily obtained through the process of breathing, and the consumption of food does not play a role in reducing oxygen levels.

Thus, the second and last options are correct.

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The evolutionary mechanism that likely underlies horn length in the bighorn sheep population at Ram Mountain, Canada is natural selection.

Researchers observed a significant decrease in average horn length of rams between 1973 and 1996, which coincided with intense trophy hunting. This suggests that hunters were selectively targeting rams with larger horns, leading to a decrease in the average horn length over time. However, after hunting regulations were implemented in 1996, which increased the minimum horn size for hunting, the number of rams killed decreased, allowing individuals with longer horns to survive and reproduce. This resulted in a rebound in horn length, indicating that natural selection favored individuals with longer horns.

Natural selection is a fundamental mechanism of evolution that acts on heritable traits within a population. In this case, the selective pressure imposed by trophy hunting exerted a strong influence on horn length in bighorn sheep. The initial decrease in average horn length can be attributed to selective hunting of rams with larger horns, as those individuals were more likely to be targeted and killed by hunters. This artificial selection altered the genetic composition of the population, favoring individuals with shorter horns.

However, when hunting regulations were modified to protect rams with shorter horns, the selective pressure was alleviated, allowing individuals with longer horns to have higher reproductive success. Over time, this led to an increase in average horn length as the genetic trait for longer horns became more prevalent in the population.

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Answer:

Explanation:

Mitosis is the phase of the cell cycle where the nucleus of a cell is divided into two nuclei with an equal amount of genetic material in both the daughter nuclei. It succeeds the G2 phase and is succeeded by cytoplasmic division after the separation of the nucleus.