Question 9 of 10
What could a human living now and a horse living thousands of years ago
have in common?
A. They need the same amount of energy to survive.
B. They have the exact same DNA.
C. They are made of some of the same matter.
O D. They both get their energy directly from the sun.
SUBMIT

True. Transcription factors regulate gene expression by binding to specific DNA sequences, either enhancing or blocking the transcription of genes by attracting or repelling RNA polymerase.

RNA polymerase is an enzyme that synthesizes RNA from a DNA template. It catalyzes the transcription of DNA into RNA by adding ribonucleotides to a growing RNA strand complementary to the template DNA strand. RNA polymerase is a complex enzyme, and different types exist in different organisms.

In eukaryotes, RNA polymerase II is responsible for the transcription of most protein-coding genes.DNA (deoxyribonucleic acid) is a long, double-stranded biomolecule that carries the genetic instructions used in the development, functioning, and reproduction of all living organisms.

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The statement that best describes the two species depicted in the graph is option C) Species A is a predator and species B is its prey.

Option A indicates that species A is a producer and species B is its consumer. This means that species B requires the output from species A to survive. Knowing this, we would expect to show that species B increases in population as the population of A increases, due to increased food supply, the graph shows the opposite scenario. Thus, option A is false.

Option B states that perhaps Species A is a host and species B is its parasite. This provides the same conditions and dependencies as option a, so for the same reasons that a is false, we can conclude that option B is false as well.

The final incorrect option is D, Species A is a scavenger and species B is its decomposer. This would mean that as the population of species B dies off, it increases the food supply of Species A which feeds on the decomposing members of species B. We would expect in this case, that species A would flourish as B dies off, however, we see that as species B dies, species A follows shortly after. This tells us that option D is incorrect.

The correct option is C, Species A is a predator and species B is its prey. This would mean that species A consumes the members of species B to survive. Therefore we would expect to see

This is exactly what the graph depicts, so option C is correct.

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Answer:

The planet has too little mass to be a planet.

Explanation:

Answer: "The object appears to have no moons of its own."

Explanation: This sentence disqualifies the newly discovered object from being a planet because most major planets have moons. Even dwarf planets would have small moons.

The population size is B) 400. The recapture rate is the number of marked individuals recaptured divided by the total number of individuals captured. In this case, the recapture rate is 10%, so 10% of the population is marked.

The mark and recapture method is a technique used to estimate the size of a population. The method involves capturing a sample of individuals from the population, marking them in some way, and then releasing them back into the population. After a period of time, another sample of individuals is captured and the number of marked individuals in the second sample is counted. The size of the population is then estimated using the following equation:

Population size = (Number of marked individuals in the second sample) / (Recapture rate) * (Total number of individuals captured in the second sample)

In this problem, the researcher captures 40 red fox and marks them. He then captures 100 red fox and finds that 10 of them are marked. The recapture rate is therefore 10 / 100 = 0.1.

The population size is then estimated as follows:

```

Population size = (10) / (0.1) * (100) = 400

```

Therefore, the answer is B.

Here are some of the assumptions of the mark and recapture method:

* The marked individuals are randomly distributed throughout the population.

* The marked individuals do not have a higher or lower chance of being captured than unmarked individuals.

* The population size does not change between the time the first sample is captured and the time the second sample is captured.

The mark and recapture method is a relatively simple and inexpensive method to estimate population size. However, it is important to be aware of the assumptions of the method in order to make accurate estimates.

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Answer:

it can be a hard like thing to get it from each

Answer:

A

Explanation:

Substrates bond to the enzymes using covalent bonds and the enzyme catalyzes the substrates to create one or more products.

Answer:

Substrates bind to enzymes to catalyze the formation of products.

Explanation:

just got it right on flvs test

Answer:

interaction between two different organisms living in close physical association, typically to the advantage of both.

Explanation:

hope this helps

Symbiosis means the interaction between two different organisms.

Once consumed, alcohol is absorbed directly into the blood stream through the walls of the stomach and small intestine. This process take 20-40 minutes.

Alcohol does not break down like food once it has been swallowed. A tiny portion is initially taken up by the tongue and mucosal lining of the mouth. Once in the stomach, alcohol is immediately absorbed into the bloodstream by the tissue lining of the small intestine and stomach. There are two ways that food in the stomach can stop the body from absorbing alcohol:

It prevents alcohol from physically touching the stomach lining in the first place. Alcohol can either be absorbed by food or "take up space" in the stomach so that it does not come into contact with the stomach wall and enter the bloodstream. All of your body's organs are affected by alcohol once it enters your bloodstream. Blood typically circulates through the body in 90 seconds in healthy individuals, allowing alcohol to have an immediate impact on your brain and other organs. Depending on how quickly a drink is absorbed, its full effects can take anywhere between 15 and 45 minutes to manifest.

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Answer: 39.36

Explanation:

Answer:

39.36

Explanation:

32 * 1.23 (123%)= 39.36

Answer:

The correct order of protein production is:

c) 1,2,4,3

Ribosome: Protein synthesis begins in the ribosomes, which are located either in the cytoplasm or attached to the endoplasmic reticulum.

Endoplasmic Reticulum: After the initial stages of protein synthesis in the ribosomes, the newly synthesized protein is transported into the endoplasmic reticulum (ER) for further processing and modification.

Golgi Apparatus: The proteins synthesized in the ER undergo further processing and modifications in the Golgi apparatus. This includes sorting, packaging, and modifying the proteins to their final functional forms.

Secretory Vesicles: Once the proteins are properly processed and modified in the Golgi apparatus, they are packaged into secretory vesicles. These vesicles transport the proteins to their destination, such as the plasma membrane for secretion outside the cell.

Therefore, the correct order is 1, 2, 4, 3.

Answer:

The correct order of protein production is ribosome, endoplasmic reticulum, Golgi apparatus, and secretory vesicles. So the correct answer would be c) 1,2,4,3.

Many proteins destined for the endoplasmic reticulum, the Golgi apparatus, lysosomes, the plasma membrane, and secretion from the cell are synthesized on ribosomes that are bound to the membrane of the endoplasmic reticulum. The Golgi apparatus then distributes these proteins and lipids that it receives from the ER.

Answer:Its flowing into lake surprise. hope i've helped you

Explanation:

Answer: I would go with long

Explanation: because in surprise if you look closely it looks kind of cut off before it gets there

Answer:

Explanation:

yes cux it is good

and i needpoints

The DNA repair pathways that require resection (removal) of a segment of the damaged DNA chain followed by resynthesis are homologous repair, nucleotide excision repair, and non-homologous end joining.

1. Homologous repair: This pathway involves the resection of the damaged DNA segment, followed by the use of an undamaged DNA molecule as a template for resynthesis. It is particularly important during the S and G2 phases of the cell cycle, where a sister chromatid can serve as the template for repair.

2. Nucleotide excision repair: In this pathway, a segment of the damaged DNA strand containing the lesion is excised (resected), and the gap is then filled by DNA synthesis using the complementary DNA strand as a template. This repair mechanism is crucial for removing bulky DNA lesions caused by environmental factors such as UV radiation.

3. Non-homologous end joining: This repair pathway is primarily involved in repairing double-strand breaks in DNA. After resecting the damaged ends, the broken DNA strands are directly ligated without requiring a template for resynthesis. Non-homologous end joining can result in the loss or addition of nucleotides at the site of repair, which may lead to mutations.

The other DNA repair pathways mentioned in the options:

- Mismatch repair: Mismatch repair corrects errors that occur during DNA replication. It does not involve resection and resynthesis but rather identifies and removes incorrectly paired nucleotides.

- Direct repair: This pathway involves the direct reversal of specific types of DNA damage without removing and resynthesizing any DNA segments. It does not require resection.

- Base excision repair: Base excision repair repairs damaged bases by removing the damaged base and replacing it with the correct one. It does not involve the resection and resynthesis of DNA segments.

Therefore, the DNA repair pathways that require resection and resynthesis of a segment of the damaged DNA chain are homologous repair, nucleotide excision repair, and non-homologous end joining.

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The scientific field concerned with using technology on biological organisms for sustainable development has a wide range of uses in the medical and agricultural industries.

It aids in the crops' ability to withstand abiotic stress such as cold, drought, salt, severe weather conditions, etc.

It has a wide range of industrial applications, including the manufacturing of alcohol, cosmetics, and even biological elements and cellular structures.

It is commonly employed in the energy sector, for example, in the manufacturing of biofuels, a natural resource alternative that is also environmentally beneficial and doesn't generate greenhouse gases.

Therefore, The scientific field concerned with using technology on biological organisms for sustainable development has a wide range of uses in the medical and agricultural industries.

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Dimensional analysis is a mathematical technique used to analyze and convert physical quantities by considering their units.

Dimensional analysis is a powerful tool used in science and engineering to understand and manipulate physical quantities.

It involves examining the dimensions or units of various quantities involved in a problem and using their relationships to derive new equations or convert between different units.

The process of dimensional analysis starts by identifying the relevant quantities involved in a problem and expressing them in terms of their base units (such as meters, seconds, kilograms, etc.).

Then, the dimensions or units of these quantities are compared and manipulated using algebraic operations such as multiplication, division, and cancellation.

The justification for using dimensional analysis lies in the principle of dimensional homogeneity. According to this principle, any valid equation must have the same dimensions on both sides.

By carefully considering the units, dimensional analysis allows us to check the consistency of equations, identify missing terms, derive conversion factors, or solve for unknown quantities.

Dimensional analysis is particularly useful in verifying equations, checking the correctness of derived formulas, and performing unit conversions.

It helps ensure that the mathematical relationships used to describe physical phenomena are consistent with the underlying physical principles and laws.

Additionally, it provides a systematic approach to solving problems and ensures that the final results have the correct dimensions and units, which is crucial for accurate and meaningful interpretation of scientific data.

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The child development stuff is well known to the doctors and the nurse, and they advise mothers during the time of the pregnancy to take care of the baby in different ways.

The medical field employs a variety of personnel, including doctors, experts, nurses, caregivers, and others, but the doctor and nurse roles are directly related to patients. They take care of patients of different types, such as those with minor to major health issues.

Hence, the child development stuff is well known to the doctors and the nurse, and they advise mothers during the time of the pregnancy to take care of the baby in different ways.

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It is important to approach the examination with professionalism, empathy, and respect for Tina's comfort and privacy throughout the process. Adhering to proper infection control measures, such as hand hygiene and the use of gloves, is also essential.

To examine Tina's cervical lymph nodes, the following technique can be employed:

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Answer:

Of the Water Cycle.

Explanation:

The energy generated through hydropower relies on the water cycle, which is driven by the sun, making it renewable. Hydropower is fueled by water, making it a clean source of energy.

The blue arrows denote the direction of the energy transfer from the turbine to the electrical generator. Based on the given diagram, the energy transfer between the blue arrows is a gain in energy.

Energy transfer refers to the conveyance of energy from one form to another, such as mechanical energy into electrical energy. Therefore, there is an increase in energy between the turbine and the electrical generator, which is highlighted in the blue arrows' direction.

The generator gains energy in the form of kinetic energy from the turning motion of the turbine. When the turbine turns the shaft of the generator, it causes electromagnetic fields to occur within the generator, which, in turn, generates electricity.

This energy transfer process is efficient as long as the system does not face friction or other forms of resistances. If the system does face such resistances, then there is a loss of energy and inefficiency in the energy transfer process, which can significantly affect the system's overall performance.

In conclusion, the energy transfer between the blue arrows is a gain in energy. The generator gains energy in the form of kinetic energy, which is converted into electrical energy. The efficient energy transfer process is vital for the system's optimum performance and operation.

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Answer:

A

Explanation:

Step 1.

Write down the experiment data.

- tube containing water;

- alodea (photosynthetic organism);

- 10 g of sodium bicarbonate;

- light source.

Step 2.

Why bubbles are formed on the leaves of the alodea?

The experiment have all the condictions for photosynthesis, since it provides: water (that is in the tube), CO2 (because of the dissolved sodium bicarbonate), light (because of the string light source). Therefore the most ogical explanation for Alice experiment results is: the bubbles formed as the elodea plant releases oxygen from the elodea leaves, that because with all the elements in the experiment the plant can do a normal photosynthetic process that way realing oxygen in the tube and forming bubbles of "air".

Answer:

Fume Hoods

Fume hoods provide a barrier between laboratory workers and hazardous chemicals or chemical processes. The key item of fume hoods to make it function well is its ability to exhaust vapor/gas at a certain flow rate.

Flammable Liquid Storage Cabinets

Fire hazard from flammable liquid shall be adequately controlled, including by using storage cabinets. Always store the flammable liquid inside the storage cabinet.

Fire Extinguishers

Provide appropriate fire extinguishers for the laboratory in adequate quantity. Place them in the right location for easy access, high visibility, and free from any obstacles.

Fire Blankets

A fire blanket is one of the most important fire extinguishing equipment. When you find a fire for the first time, use this fire blanket to diminish the fire as soon as possible before it grows bigger.

Safety Cans

You must use safety cans to store flammable liquid in the laboratory safely. It minimizes fire accidents and so protect laboratory workers from the fire hazards.

Safety Showers

When chemical splash occur, you have to immediately wash all of your work cloth and body with plenty of water. So, that’s why safety showers role are very important in case of such emergency condition.

Eyewash Stations

Even though you have already worn safety goggle, but it does not mean that your eyes are fully protected from chemical splash hazard.

The possibility still exists. Because of this reason, you need to make sure that an eyewash station is available in the laboratory.

Chemical Spill Kits

Chemical spill kits are required for handling hazardous chemical spills in the laboratory. The key is to provide the kits in enough quantity and place them on the appropriate location.

First Aid Kits

Make sure that the first aid kits is available in the laboratory and the content is complete. Inspect regularly the content and immediately add first aid kits item if already used up.

Personal Protective Equipment

You must provide all basic personal protective equipment for every lab analyst; lab coat, apron, eye goggles, nitrile gloves, and face shield.

Explanation:

Answer:

a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers etc

Blood flow to the exercising muscles of the brachium and thigh increased by 31- to 38-fold during moderate exercise and by 70- to 76-fold during severe exercise.

There are several potential types of mutations that could lead to an overactive form of the E1 protein. One possible option is a missense mutation, which changes a single nucleotide in the UBA1 gene and alters the amino acid sequence of the resulting protein.

Another option is a frameshift mutation, which adds or removes nucleotides from the gene sequence and changes the reading frame of the protein. This can lead to a truncated or altered protein product.

Additionally, a nonsense mutation could introduce a premature stop codon in the UBA1 gene, resulting in a truncated protein. Explanation: The ubiquitination process involves three enzymes, E1, E2, and E3, working together to add ubiquitin molecules to target proteins. UBA1 is the gene that encodes for the E1 enzyme. Certain mutations in this gene can lead to an overactive form of the protein. One possible type of mutation is a missense mutation, where a single nucleotide is changed in the gene sequence, resulting in an altered amino acid sequence. Another type of mutation is a frameshift mutation, where nucleotides are added or removed from the gene sequence, altering the reading frame and resulting in a truncated or altered protein. Finally, a nonsense mutation can introduce a premature stop codon, leading to a truncated protein.

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