What is RNA an example of? Answer correctly

A)carbon dioxide
B)water
C)lipid
D)nucleic acid

The substrate, lactose, is broken down into two products, glucose and galactose, with the help of the enzyme lactase.

Lactose digestion takes place in the small intestine with the help of the enzyme lactase. Lactase degrades lactose into the monosaccharides galactose and glucose, allowing them to be absorbed. Lactose intolerance develops when your small intestine does not generate enough of an enzyme called lactase to digest milk sugar (lactose). Lactase normally converts milk sugar into two simple sugars, glucose and galactose, which are then taken into the bloodstream via the gut mucosa. Lactose is broken down into monosaccharides, glucose, and galactose by the enzyme.

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A neutron star results from the transformation of a supernova, and is basically composed of neutrons. B) Neutron Star is a remnant of a supernova event.

Giant stars follow different stages along their cycles.

Their stages are as follows,

When red supergiants run out of fuel and can not grow anymore, they collapse. After the explosion, a supernova originates.

Neutron stars are the stellar remnant that remains after the supernova goes through different changes. These are small stars, but bigger than the sun characterized for having an unknown density of neutrons. They are the densest and brightest objects known in the universe.

Neutron Star are remnant of a supernova event; Similar to a large atomic nucleus. Option B).

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Answer:

correct statements are:

1, 3, and 4

Explanation:

Answer:

He could improve his running experiment using repetition.

Explanation:

Answer:

diolostic blood preasure is associated with the second heart sound

Explanation:

Korotkoff sounds are the sounds heard by the health professional who measures the blood pressure with a blood pressure monitor and a stethoscope placed on the patient's brachial artery.

Korotkoff described five types of noise:

* The first sound is a snap corresponding to the systolic pressure. The noise is clear, repetitive on at least two consecutive systoles.

* The second sound is a soft whisper, more or less prolonged, audible between the systolic pressure and the diastolic pressure.

Only 10 percent of the energy is passed on to the next level, while approximately 90 percent of the energy is lost as heat. So, the hawk will receive 8.957 calories.

Food chain is the series of the events which occurred in the ecosystem in which one organism eats another organism. In this, there is the transfer of matter and energy in the form of food from organism to organism.

In the food chain, plant produces the food known as autotrophs which is eaten by herbivores then by Carnivores . Only 10% of energy is passed through the next level because 90% of the energy is lost as heat

At one time in the nature, there are so many food chains occurs which form a web like structure known as Food web.

For examples, Grass → Grasshopper → Frog → Hawk.

Grass → Grasshopper → Rat → Fox

In both cases Grasshopper is eaten by Frog and Rat forming 2 different food chains which is interlinked to each other known as Food web.

Thus, only 10 percent of the energy is passed on to the next level, while approximately 90 percent of the energy is lost as heat. So, the hawk will receive 8.957 calories.

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There are the same number of chromosomes and DNA molecules in this rat's main spermatocyte cell as in its somatic cell (42 chromosomes). This is due to the fact that primary spermatocytes are still diploid because they have not experienced meiosis to form secondary spermatocytes (2n).

In sexually reproducing organisms, meiosis is a unique type of cell division of germ cells that results in the production of gametes, such as sperm or egg cells. It comprises two rounds of division, producing four cells with only one copy of each chromosome as a final product (haploid).

Additionally, each chromosome undergoes genetic material cross-pollination between the paternal and maternal copies before division, resulting in novel combinations of the genetic code on each chromosome. Later, when a male and a female go through meiosis, the haploid cells they generate unite to form the zygote, another cell with two copies of each chromosome.

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Answer:

mineral is a phosphate

Explanation:

Answer:

In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric acid H ₃PO ₄. The phosphate or orthophosphate ion [PO ₄]³⁻ is derived from phosphoric acid by the removal of three protons H⁺ .

Explanation:

Answer:

a) There are a number of types of asexual reproduction including fission, fragmentation, budding, vegetative reproduction, spore formation and agamogenesis. Spore formation occurs in plants, and some algae and fungi, and will be discussed in additional concepts

b) The advantages of sexual reproduction:

.) produces genetic variation in the offspring.

.) the species can adapt to new environments due to variation, which gives them a survival advantage.

.) a disease is less likely to affect all the individuals in a population.

c) The disadvantages of asexual reproduction include:

.) it does not lead to genetic variation in a population.

.) the species may only be suited to one habitat.

.) disease may affect all the individuals in a population.

d) the production of new living organisms by combining genetic information from two individuals of different types (sexes). In most higher organisms, one sex (male) produces a small motile gamete which travels to fuse with a larger stationary gamete produced by the other (female).

e) each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

f) Sexual reproduction gives rise to more viable variation than asexual reproduction. Because in sexual reproduction, genetic material from both the parents mixed (recombination of parent chromosomes) by fertilization...

Explanation:

such a long question .....

hope the answer was helpful ......

The correct statements for the small subunit of the eukaryotic ribosome are as follows:A. It contains about 30 proteins.B. It is made up of 18S rRNA.C. It is smaller than the large subunit of the ribosome, which is 60S.

The ribosome, found in cells, is a complex molecule that plays a vital part in protein synthesis. Ribosomes are divided into two subunits, a smaller subunit, and a larger subunit, in eukaryotes.

The small subunit contains around 30 proteins and is made up of 18S rRNA. The large subunit, on the other hand, is approximately 60S in size. The small subunit is responsible for binding and decoding RNA molecules that will be used in protein synthesis.

Therefore, the correct options are A, B, and C.

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Estrogen receptor (ER): The ligand for the estrogen receptor is estrogen.

Progesterone receptor (PR): The ligand for the progesterone receptor is progesterone.

Her2/Neu (epidermal growth factor receptor): The ligand for Her2/Neu, also known as epidermal growth factor receptor (EGFR), is typically epidermal growth factor (EGF).

The ligands for the estrogen receptor, progesterone receptor, and Her2/Neu (epidermal growth factor receptor) are as follows:

When a cell has an excessive number of growth factor receptors, such as Her2/Neu, it can lead to a more aggressive form of cancer. This is because the increased number of receptors allows for more frequent and intense signaling events. As a result, the cell receives a constant stream of growth-promoting signals, which can lead to uncontrolled cell division, enhanced cell survival, and increased tumor growth. This phenomenon is often observed in certain types of breast cancer, where amplification or overexpression of the Her2/Neu receptor is associated with a more aggressive disease course.

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Staphylococcus aureus was identified as an unknown by performing various laboratory tests. This process is called bacterial identification.

There are numerous methods for bacterial identification, but all of them aim to distinguish between different species of bacteria. These methods may be based on phenotypic, genotypic, or proteomic characteristics. In the case of Staphylococcus aureus, the tests were focused on its phenotypic characteristics.

Phenotypic characterization includes the use of microscopy, culture characteristics, and biochemical tests to identify the bacterial species. Gram staining is the first step in identifying an unknown bacterial species, which is used to categorize bacteria into Gram-positive or Gram-negative. Staphylococcus aureus is Gram-positive cocci that appear in clusters. It is differentiated from other cocci by performing additional biochemical tests such as catalase, coagulase, mannitol fermentation, and DNA se tests.

Catalase test is done to differentiate between staphylococci and streptococci, which are both Gram-positive cocci but have different catalase activity.

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Answer:

While pathogenic bacteria are notorious for such diseases as cholera, tuberculosis, and gonorrhea, such disease-causing species are a comparatively tiny fraction of the bacteria as a whole. Bacteria are so widespread that it is possible only to make the most general statements about their life history and ecology.

Explanation:

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any other questions ask me.

Answer:

Physical weathering is caused by the

effects of changing temperature on rocks,

causing the rock to break apart. The process is sometimes assisted by water. Freeze-thaw occurs when water continually sleeps into cracks, freezes and expands, eventually breaking the rock apart.

Answer: It's basically fastest when white light hits and when yellow, red and green light hits it's at its lowest

Explanation: i hope this helped

Answer:

3

Explanation:

A and D only

B and E only

A, C, and D only

A, B, C, D, and E

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Here is a summary of the short story "The Man to Send Rain Clouds" using the Somebody Wanted But So Then strategy:

Somebody: Teofilo, a respected elder in the Laguna Pueblo tribe, has died.

Wanted: His family and community want to honor him with a traditional funeral ceremony.

But: The priest, who is also a member of the community, refuses to participate in the ceremony because he believes it is pagan.

So: The family is forced to hold the funeral without the priest's blessing. They paint Teofilo's face with traditional symbols, offer him cornmeal and pollen, and pray for rain.

Then: The next day, it rains. The community is grateful to Teofilo for sending the rain, and they realize that they can still honor him even without the priest's blessing.

This story explores the conflict between traditional Pueblo beliefs and Christianity. It also shows how a community can come together to support each other during a time of loss.

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The most significant predictor of childhood obesity is maternal obesity.

Numerous studies have shown that maternal obesity is strongly associated with an increased risk of childhood obesity. Maternal obesity during pregnancy can have long-lasting effects on the developing fetus, including alterations in metabolism, hormonal imbalances, and changes in the developing brain.

These factors can contribute to an increased susceptibility to obesity in childhood and later in life.

Maternal obesity can influence the intrauterine environment, leading to an overexposure of the fetus to excessive nutrients and adipokines, such as leptin, insulin, and inflammatory cytokines. This can disrupt the normal development of metabolic pathways and regulatory mechanisms involved in energy balance and body weight regulation.

Additionally, maternal obesity can also impact early feeding practices, such as breastfeeding initiation and duration, as well as the introduction of solid foods. These factors can further contribute to the development of unhealthy eating habits and an increased risk of childhood obesity.

It is important to address maternal obesity as part of comprehensive strategies to prevent and manage childhood obesity. This may include interventions targeting preconception and prenatal care, promoting healthy lifestyles and weight management, and providing support for breastfeeding and healthy infant feeding practices.

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The one that should always be discarded in the hazardous waste container  Bacterial cultures

If you want to know if you have a bacterial infection, you should have a bacteria culture. A sample of spinal fluid, skin, mucus, feces, blood, or urine may be used for the test. A medical professional can identify the infection's origin and the best course of therapy with this kind of test.

In order to better understand and cure diseases that are caused by bacteria, a pure bacterial culture is still necessary for the research of that species' pathogenicity, sensitivity to antibiotics, and genomic sequence.

To obtain a sample of cells or pus from your wound, a medical expert utilizes a specialized swab. A biopsy may be performed to take a sample of tissue from a deeper wound or a syringe may be used to pull fluid out of the wound.

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Answer:

D

Explanation:

The correct sequence of events in cellular respiration is option a: glycolysis, citric acid cycle, electron transport chain.

During cellular respiration, glucose is broken down to produce energy in the form of ATP. The process starts with glycolysis, which occurs in the cytoplasm and involves the breakdown of glucose into pyruvate molecules. Glycolysis generates a small amount of ATP and NADH.

The pyruvate molecules produced in glycolysis enter the mitochondria, where the citric acid cycle, also known as the Krebs cycle, takes place. In this cycle, the pyruvate is further broken down, releasing carbon dioxide and generating NADH and FADH2 as electron carriers. The citric acid cycle also produces a small amount of ATP.

The electron carriers NADH and FADH2 then participate in the electron transport chain, which is located in the inner membrane of the mitochondria. In the electron transport chain, the electrons from NADH and FADH2 are transferred through a series of protein complexes, creating a flow of electrons that drives the synthesis of ATP. This process is known as oxidative phosphorylation.

Therefore, the correct sequence of events in cellular respiration is glycolysis, citric acid cycle, and electron transport chain, as stated in option a.

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Question

Which of the following is the correct sequence of events in cellular respiration?

a. glycolysis, citric acid cycle, electron transport chain

b. glycolysis, preparatory reaction, citric acid cycle, electron transport chain

c. glycolysis, electron transport chain, preparatory reaction

d. citric acid cycle, glycolysis, electron transport chain, preparatory reaction

e. citric acid cycle, electron transport, glycolysis, preparatory reaction

Answer:

It discusses Pollution levels in the Air

Explanation: Air can be hazardous to those lungs that are weak. They have something called an Air Quality Alert to warn those with weak lungs to take precautions. Hope this helped!

The tissues must match that of the target patient.

Several different types of artificial kidneys are currently being developed, including those that use microchip technology and those that rely on natural or synthetic materials to mimic the functions of the kidneys.

However, designing and implanting an artificial kidney is a complex and challenging task that requires a deep understanding of the biology and physiology of the kidneys, as well as expertise in materials science, biocompatibility, and bioengineering. It is not easy because the tissues must match that of the target patient.

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Answer:

B. Cochlea

Explanation:

The inner ear translates vibrations into electrical signals.  The electronic signals are carried into the brain by nerve cells called neurons via the cochlear nerve system.

Answer:

A.  Auditory Nerve

Explanation:

Nerves carry electrical impulses to the brain, including auditory information.

Answer:

Animal cells and fungal cells do not have chloroplasts and, therefore, cannot photosynthesize. That is why these organisms, as well as the non-photosynthetic protists, rely on other organisms to obtain their energy. These organisms are heterotrophs.

Explanation:

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A genotype is referred to as the complete set of genetic material and it is also known as the alleles or variants an individual carries in a particular gene or genetic location.

This is referred to as any one of two or more genes that may occur alternatively at a given site or locus on a chromosome.

The genotype of an organism helps control the phenotype, or the observable traits of that organism and example is trait such as eye color, height etc because a gene uniquely encodes the eye color height of an individual.  which is thereby the reason why it was chosen as the correct choice.

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Answer:  Kinetic energy

Explanation:

Kinetic energy is the energy of motion. All moving objects have kinetic energy. When an object is in motion, it changes its position by moving in a direction: up, down, forward, or backward.

Answer:

c

Explanation:

It was designed to determine whether the genetic material of the bacteriophage (a type of virus that infects bacteria) is made of DNA or protein.

The Hershey-Chase experiment, also known as the "Blender Experiment," was a classic experiment in molecular biology that was conducted in 1952 by Alfred Hershey and Martha Chase. It was designed to determine whether the genetic material of the bacteriophage (a type of virus that infects bacteria) is made of DNA or protein.

In the experiment, components of the bacteriophage were labeled with radioactive isotopes of sulfur and phosphorus. The labeled phages were then used to infect bacterial cells, and the cells were subjected to various treatments to separate the viral components from the bacterial components.

The results of the experiment showed that the genetic material of the bacteriophage was made of DNA, not protein. This was determined by the fact that the labeled DNA, but not the labeled protein, was able to enter the bacterial cells and infect them. This experiment provided strong evidence for the "central dogma" of molecular biology, which states that genetic information flows from DNA to protein, but not the other way around.

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Answer:

The sun produces a lot of heat but it also really works on how far away the earth is to.If the earth was any closer the earth would be MUCH HOTTER.

Explanation:

Answer:

$42.08

Explanation:

First equate the discounted(sale price) $46.75 to 100%. If

$46.75=100%,what about 90%since it was discounted by 10%

(90%×46.75)÷100

=$42.08

Answer:

Answers in Explanation below.

Explanation:

1. Super nova

2.  Nebula

3. White dwarf

4. Red giant

5. Protostar

6. Supernova

7. Gravitational pull or gravity