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Steel is made from the ----------- found in rocks.

minerals
cement
glass

Answer:

Not really a biology question... But assuming this is a question about science, here is how I think:

The scientists should have percisl cauclated the car's path in space in order to protect no only the many important objects in space but also the future of space travel saftey. A car floating in space is a extremly danbous object as it can crash back to earth(assuming the car did not actually went into space and came back down intact, hitting a populated area will cause mass casulities), hit important objects in space such as satalites and space stations, or floating in space undetected which creates a huge saftey hazard for future space missions. This is completly unacceptable and multiple government agencies  and company leadership should be facing trail for this extremly irrisbonsible and pointless space mission disaster.

Answer: B

Explanation:

a is incorrect because the description does not tell us that he used it incorrectly

c is incorrect because the number of blemishes doesn't descrease to 0

Answer:

Brachiocephalic veins are responsible for this function.

The estimated log odds ratio represents the difference in the likelihood of not receiving pollen between the experimental shortening group and the control group.

To calculate the estimated log odds ratio of not receiving pollen after experimental shortening compared to control flowers, follow these steps:

1. Create a 2x2 contingency table with the number of flowers in each group (shortened and control) and their respective outcomes (not receiving pollen and receiving pollen).
2. Calculate the odds of not receiving pollen for both the shortened group and the control group. Odds = (number of flowers not receiving pollen) / (number of flowers receiving pollen).
3. Calculate the odds ratio by dividing the odds for the shortened group by the odds for the control group.
4. Take the natural logarithm (log) of the odds ratio to get the log odds ratio.

A positive log odds ratio indicates a higher likelihood of not receiving pollen in the shortened group, while a negative log odds ratio indicates a higher likelihood in the control group.

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Answer:

- Because unhealthy cells can lead to

unhealthy tissue and organs.

- Because malfunctioning organelles can lead to diseased tissue.

Explanation:

Cells are the basic and fundamental unit of life. In the organization of life, cells are the precursors of tissues. This means that a collection of cells with similar function gives TISSUES, which subsequently gives rise to ORGANS. Also, organelles are structures with specific function within the cell. A faulty organelle will result in a faulty cell, thereby, affecting the other levels of organizations.

According to this question, a doctor is looking at a patients blood under a microscope where she notices several cells with malfunctioning mitochondria. This is important because:

- Unhealthy cells can lead to unhealthy tissue and organs.

- Malfunctioning organelles in a cell can lead to a deficient cell, which in turn can lead to a diseased tissue.

Answer:

A and D

Because unhealthy cells can lead to unhealthy tissue and organs.

Because malfunctioning organelles can lead to diseased tissue.

Explanation:

I have the two green check, other answer is "The cells that make the lung tissue have mutated DNA"

Answer:

which school are you from I may answer the questions

In the table, it is shown that the liver and the heart muscle cells contain the majority of the mitochondria, as they need more energy to carry out most of the vital reactions, and the sperm has less, while red blood cells have not a single.

The mitochondria are an organelle in which energy is produced, such as ATP, and most eukaryotic cells have this organelle, however, there are some exceptions, such as mature red blood cells, which do not have this organelle and produce energy through glycolysis and the pentose phosphate pathway. More mitochondria will be in those cells that work more.

Hence, in the table, it is shown that the liver and the heart muscle cells contain the majority of the mitochondria, as they need more energy to carry out most of the vital reactions, and the sperm has less, while red blood cells have not a single.

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Answer:

NL=8, JK=2, KL=2, LM=2

Explanation:

K is between J and M

JM=JK+KM

JM=KL+KM

JM=2+4

JM=6

The length of JM is 6 units.

From the figure it is clear that

MN=JN-JM

MN=14-6

MN=8

From the figure it is clear that

NL=ML+MN

NL=2+8

NL=10

Answer:

- Dilation of the pupils

- Increased heart rate (chronotropism) and the force of contraction of the heart  (inotropism), as well as blood pressure.

- Bronchodilation to facilitate the entry of air

- Vasoconstriction in organs that are not needed, such as the abdominal viscera and the kidney

-Vasodilation of muscles, heart, liver and fat tissue

- Hepatic glycogenolysis and lipolysis of adipose tissue

- Increase in blood glucose

Physical stressors; for example cold, hypoglycemia, hemorrhage, hypoxia, necrosis, burn, acute pain are  stimuli that alter the physiological state affecting homeostatic mechanisms, and initiate an adaptive response necessary for survival. For their part, psychological stressors are stimuli that threaten the  current state of the individual or provoke a state of anticipation even though they do not pose an immediate threat  to physiological conditions; need to be processed by the cerebral cortex before initiating the stress response and  they depend largely on previous experiences.

Depending on the type of physical or psychological stress, neurons in the brain stem or those in the areas of the brain are activated.  limbic system respectively, which through axonal projections affect neurons of the nucleus  paraventricular cells of the hypothalamus that synthesize CRH (corticotropin-releasing hormone). Neurons  hypophysiotropic in response to a stimulus, releases CRH to the hypothalamic-pituitary portal circulation that reaches the  adenohypophysis and controls the synthesis and release of adrenocorticotropin (ACTH) that travels through the bloodstream  exerting its feedback mechanism on the adrenal gland. Therefore, the glucocorticoids secreted by the  adrenal gland will exert their actions on peripheral tissues as part of the adaptive response to  stress.

But in addition, the hypothalamus will be in charge of decoding neuronal signals originating in other brain sites and  hormonal signals coming from the periphery. Therefore, hypothalamic neurons not only secrete their  product towards the hypothalamic-pituitary portal blood, but also have nerve projections towards other  brain regions or to nuclei located in the spinal cord (such as the nucleus of the solitary tract) and  controlling the functioning of the autonomic nervous system. Thus the coordinated response to stress includes  adrenaline secretion from the adrenal medulla in response to stimulation of the autonomic system; this hormone  it causes a state of excitement or alertness in the body allowing it to respond to the challenge.

So, the combined action of the hormones cortisol and adrenaline and the autonomic nervous system (system  sympathetic-adrenal) allows a series of vegetative activities involving various apparatus (cardiovascular,  digestive, respiratory, muscular, etc.) and the activation of various metabolic pathways (of carbohydrates and lipids  fundamentally) to provide the immediate energy demands required before the aggressor stimulus or  stress.

Explanation:

During physical exertion or emotional stress, the Sympathetic Nervous System predominates over the Parasympathetic Nervous System. The sympathetic tone favors : intense physical activity for the production of energy in a rapid and prolonged way. The fear, the confusion, the  anger also stimulate the SNS.

The flight or fight reaction is the activation of the SNS on the adrenal medulla produces the release of adrenaline and norepinephrine, which in turn produce the following effects:

- Dilation of the pupils

- Increased heart rate (chronotropism) and the force of contraction of the heart  (inotropism), as well as blood pressure.

- Bronchodilation to facilitate the entry of air

- Vasoconstriction in organs that are not needed, such as the abdominal viscera and the kidney

-Vasodilation of muscles, heart, liver and fat tissue

- Hepatic glycogenolysis and lipolysis of adipose tissue

- Increase in blood glucose

This ensures a self-defense response when perceiving danger, activating a survival instinct

Multiple bacterial species can grow in different media, A popular differential media is blood agar, which must include 5–10% sheep or horse blood enable Streptococcus species to flourish.

Typically, it includes (mass/volume): Peptone, at 0.5%, serves as organic nitrogen. Vitamins, carbohydrates, nitrogen, etc salts are contributed by the water-soluble components of the 0.3% beef extract and 0.3% yeast extract. Agar (1.5% of the mixture) gives it solidity.

A variety of non-fastidious bacteria can be grown on nutrient agar media in a general-purpose environment. Peptone, beef extract, or agar make up this substance. The nutrients required for the multiplication of a significant number of non-fastidious bacteria are provided by this rather straightforward formulation.

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Answer:“a monophyletic and genomically coherent cluster of individual organisms that show a high degree of overall similarity with respect to many independent characteristics

Explanation:

Answer:

Aerobic Respiration: It is the process of cellular respiration that takes place in the presence of oxygen gas to produce energy from food. This type of respiration is common in most of the plants and animals, birds, humans, and other mammals. In this process, water and carbon dioxide are produced as end products.

Answer:

Aerobic Respiration: It is the process of cellular respiration that takes place in the presence of oxygen gas to produce energy from food. This type of respiration is common in most of the plants and animals, birds, humans, and other mammals. In this process, water and carbon dioxide are produced as end products.

By planting more and more trees, as the roots of the trees hold the soil in place for the problem of soil erosion.

Soil erosion is a sluggish process that takes place when the effect of water or wind detaches and removes soil debris, inflicting the soil to go to pot. Soil erosion and occasional water excellent due to erosion and floor runoff have come to be intense issues international.

Soil erosion is a obviously taking place system that influences all landforms. In agriculture, soil erosion refers to the wearing away of a discipline's topsoil via the natural physical forces of water and wind or thru forces associated with farming sports including tillage.

Soil erosion with the aid of Water Liquid water is the most important agent of erosion on the earth. Rain, rivers, floods, lakes, and the ocean deliver away bits of soil and sand and slowly wash away the sediment. Rainfall produces 4 styles of soil erosion: splash erosion, sheet erosion, rill erosion, and gully erosion.

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Answer: I feel like it would be an animal cell

Explanation: I am genuinly sorry if it is wrong!!

 options a, b, and c are not accurate conclusions based on the given information.

The correct answer is d) They will be haploid (2n). Gametes are haploid cells, meaning they contain half the number of chromosomes as somatic cells. Since the insect's gamete contains 4 chromosomes, the somatic cells would have a diploid number of 8 chromosomes (2n = 8). The amount of DNA in the gamete is not necessarily indicative of the amount of DNA in the somatic cells, as somatic cells can undergo DNA replication and have varying amounts of DNA depending on the stage of the cell cycle.

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Many strokes are preceded days, weeks, or months earlier by TIAs (Transient Ischemic Attacks), brief interruptions of the blood supply to the brain that cause only temporary impairment. These often indicate an impending major stroke.

Transient Ischemic Attacks (TIAs) is the answer to fill in the blank. TIAs are a type of mini-stroke or temporary loss of blood flow to the brain. It is commonly known as a mini-stroke because the symptoms last for a few minutes to a few hours and go away on their own without any treatment. TIAs have the same causes as a full stroke, but the symptoms usually do not last long.

Even if they go away on their own, you should seek medical attention right away. TIAs are often warning signs of a more significant stroke that could happen later. TIAs are caused by blockages in the blood vessels that supply the brain with oxygen and nutrients. The blockages can be due to fatty deposits, blood clots, and other debris that travel through the bloodstream and lodge in small blood vessels of the brain.

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Answer: tracing how aboriginal ppl spread across Australia

Explanation:

Human genome project helped to find information on migration

The correct answer about the human genome project is Tracing how aboriginal people spread across Australia as it helps in the human genome project.

We gift an Aboriginal Australian genomic collection acquired from a 100-year-vintage lock of hair donated with the aid of using an Aboriginal guy from southern Western Australia withinside the early twentieth century.

The Human Genome Project became the worldwide studies attempt to decide the DNA collection of the complete human genome. In 2003, an correct and entire human genome collection became completed years beforehand of time table and at a fee much less than the authentic envisioned budget.

Hence concluded that HGP Tracing how aboriginal people spread across Australia important scientific advance was made using knowledge of the human genome.

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Answer:

phagocytes that have receptors for the C3b component in order to engulf and destroy pathogens

Explanation:

The complement system refers to an immune mechanism by which plasma proteins are activated by pathogens and their binding to antibodies, triggering reactions on the pathogen surface that active components with effector functions. The complement system is an essential component of the innate immune response. Phagocytic cells have receptors for the C3b component in order to bind to C3b-coated cells/particles preparatory to phagocytosis. The C3b receptor is a glycoprotein that serves to regulate the complement system by inhibiting the activation of C3 and C5 convertases which cleave C3 and C5 and thus mediate complement effector functions.

A

Explanation:

The higher the waves the louder it is :)

An organism has 3 duplicated chromosomes after the S phase of the Cell Cycle, the total sister chromatids have - 6 chromatids.

The number of Chromatids doubles in the Synthesis phase, but the number of chromosomes stays the same. Anaphase doubles the chromosome number but does not affect the chromatid number

The chromosome is different at different times in the cell cycle, depending upon whether the DNA has replicated or not, and when the sister chromatids separate

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42 because it is half of the amount of chromosomes, think haploid as halfoid.

1). The frequency of the recessive allele in the population (q) Since sickle cell anemia is recessive, we can assume that the individuals with the disease (aa genotype) represent 9% of the population.

2). The frequency of the dominant allele in the population (p) Since q represents the recessive allele frequency, we can find p by subtracting q from 1: p = 1 - q ≈ 1 - 0.3 ≈ 0.7.

3). The frequency of homozygous dominant individuals (AA genotype): According to the Hardy-Weinberg equation, p² represents the frequency of the AA genotype. Therefore, p² ≈ (0.7)² ≈ 0.49.

4). The frequency of heterozygous individuals (Aa genotype) The frequency of the Aa genotype can be calculated using the formula 2pq.

5). If the African population is in Hardy-Weinberg equilibrium, we compare the observed genotype frequencies with the expected frequencies based on the allele frequencies.

Anemia is a medical condition characterized by a decrease in the number of red blood cells or a decrease in the amount of hemoglobin in the blood. Red blood cells are responsible for carrying oxygen from the lungs to various tissues and organs in the body. Hemoglobin, a protein within red blood cells, binds to oxygen and facilitates its transport.

When a person has anemia, their body may not receive an adequate supply of oxygen, leading to various symptoms such as fatigue, weakness, shortness of breath, pale skin, and dizziness. Anemia can be caused by several factors, including nutritional deficiencies (such as iron, vitamin B12, or folate), chronic diseases, genetic disorders, or blood loss due to injury or menstruation.

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Passive Immunity is process of providing IgG antibodies to protect against infection.

It generates antibodies which provides protection against the infection.

This is short lived protection which can last to several months but can provide immediate protection.

Therefore the correct answer is Short term effectiveness immediate onset.

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Answer:

could you upload the article with the question please?

Explanation:

Hello!

The primary advantage of multiple researchers obtaining the same result is the conclusion is likely to be more credible when they are independently verified. As the work done by them gives the same result, it can be easier to believe.

Answer:

Discoveries are more credible when they are independently verified.

Explanation:

Discoveries are more credible when they are independently verified. Discoveries are less likely to be forgotten years later. Discoveries are less likely to require additional research at a later date...

If multiple researches obtained the same result, it means that the test is highly repeatable ! Highly repeatable results are always very welcomes, because people believe that they have a high validity and high credibility. 

Brainliest pls :)

Answer:

B I think

Explanation:

Answer:

Decaying animal and plant life is in the topsoil

The correct order of steps necessary to perform a plaque assay with phages is as follows:

B) Combine phages and bacteria.

A) Combine phage-infected bacteria with the top agar.

E) Rotate to spread evenly and allow agar to solidify.

C) Pour immediately onto the agar plate.

D) Incubate overnight at 37°C.

F) (picture of agar plate with spots all throughout)

To perform a plaque assay with phages, the first step is to combine the phages and bacteria, allowing them to infect the bacterial cells. Next, the phage-infected bacteria are mixed with the top agar, which contains nutrients and agarose. The mixture is then poured onto an agar plate and immediately spread evenly by rotating the plate to allow the agar to solidify. After solidification, the plate is incubated overnight at 37°C, providing optimal conditions for phage replication and plaque formation. Plaques are clear spots on the agar plate where the bacterial cells have been lysed by the phages. The presence and appearance of plaques can be observed and analyzed to quantify the phage concentration and determine various properties of the phages.

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Answer:

In order to control invasive species, we have implemented chemical controls such as pesticides, herbicides, and fungicides.