Hi can someone please help me with these 3 questions!!!!

Answer C

Explanation:

Answer:

D. cray fish

Explanation:

humans have46 chromosomes

dogs have78

cats have 39

there are many types of cray fish

theses fishes range from 176 to 200 chromosome

Pain and suffering in persons with disorders of consciousness are poorly understood and controversial on numerous levels. In many people , the decrease in consciousnesses and the nervous system activity result in a decrease in pain sensation as death approaches.

Pain message is transmitted to the brain by specialized nerve cells known as nociceptors or pain receptors which pictured in the circle to the right. when pain receptors are insulated by temperature, pressure and many more chemicals, they are release neurotransmitter within the cells.

Insula and anterior cingulate cortex are consistently activated when nociceptors are stimulated by noxious stimuli ans then activated brain regions which associated with the subjective experience of pain.

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Answer:

Explanation:

The process of meiosis preserves genetic continuity for future offspring by ensuring that two sexually reproducing organisms produce offspring that have the same number of chromosomes as the parents.

It ensures that the offspring will be able to mate with other organisms of the same species.

In the structure of a cell membrane, the hydrophobic tails of the phospholipid bilayer are found in the interior of the cell membrane while the hydrophilic heads of the phospholipid bilayer are found in the exterior of the cell membrane.

All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external world.

A semipermeable phospholipid bilayer makes up the cell membrane. The movement of elements into and out of the cell is controlled by the cell membrane.

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Answer:

Wild fires

Explanation:

They can destory whole forests and reduce they air quiltiy in those areas because of the smoke. They also reduce the air quality over time because the trees they destoryed can no longer produce new oxogen. These effects can be minimized we can put out and report unattened fires, use caution when using flamable liquids.

The term that best describes a group of coyotes living in a general area is a population.

A population refers to a group of individuals of the same species that occupy a particular geographic area and interact with one another. In the case of coyotes, a population would consist of multiple coyotes inhabiting a specific region or habitat.

These individuals have the potential to interbreed and share a common gene pool. They compete for resources, such as food and territory, and may also exhibit social interactions and behaviors specific to their species.

On the other hand, a community refers to a collection of different populations of species living in the same area and interacting with one another.

An ecosystem encompasses both the living (biotic) and non-living (abiotic) components in an area, including various communities and their physical environment.

A biome refers to large geographical regions characterized by similar climates, vegetation, and animal life.

Therefore, in the context of coyotes, the appropriate term to describe them would be a population, as it specifically refers to a group of individuals of the same species living in a defined area.

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Answer:

protein is a monomer of nucleic acid that help in building the Gene's in the dna

Blood clots may not dissolve due to plasmin gene mutations that produce inactive plasmin. Therefore, statement 3 is the chosen statement.

A zymogen that starts the fibrinolytic cascade is plasminogen. The plasminogen-to-plasmin conversion results in plasminogen activation. A proteolytic enzyme is a plasmin. It is a chemical that stimulates the breakdown of proteins made from an inert plasma precursor plasminogen. Blood clot fibrinolysis and the restoration of regular blood flow are the primary physiological functions of plasmin. In other words, it is a serine protease that dissolves fibrin blood clots. It is present in human serum.

Therefore, statement 3 is correct.

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The best topic for the student's report on gradual environmental changes depends on their specific interests and the scope of the assignment. However, a possible best topic for the report on gradual environmental changes could be Impact of Climate Change on Coastal Ecosystems.

The Impact of Climate Change on Coastal Ecosystems:
This topic allows the student to explore how gradual environmental changes, specifically climate change, affect coastal ecosystems over time. They can examine the consequences of rising sea levels, ocean acidification, and increased temperatures on the biodiversity, habitats, and overall health of coastal ecosystems. The report can delve into the ecological, social, and economic implications of these changes, as well as potential mitigation strategies. This topic offers ample opportunities to discuss scientific research, real-life examples, and the importance of conservation and sustainable practices in coastal areas.

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Answer:

no question

Explanation:

Answer:

Explanation:

When plant sampling diagnostic tool was introduced, it was intended to either help diagnose nutrient related problems or track the nutrient status of high-yielding crops. In today’s agriculture, nutrient deficiencies are not common. Therefore, the use of plant analysis as a diagnostic tool has diminished. Nevertheless, the value of plant analysis as a monitoring tool remains.

Sampling the correct plant part at the correct time is critical to ensure accurate results. In addition, sampling multiple plants to form a single composite sample is crucial to ensure that the concentration number obtained from the lab is meaningful and represents a true average from the collection area. Table 1 shows a summary of which plant parts to sample. Samples can be air dried by placing them in a warm area with a fan blowing air across them. To lessen the risk of molding, store samples in paper bags prior to drying or sending samples to the lab. Do not store plant samples in sealed plastic bags.

Taking plant samples early in the season

An analysis of nutrient concentration only, is usually not effective in diagnosing many problems. Calculation of nutrient uptake is a better choice. Why? Nutrients, even though one or more may be deficient, are usually more concentrated in stunted plants. For example, the concentration of nitrogen may be greater in plants that are 12 inches in height compared to plants that are much taller. The nitrogen is simply diluted by carbohydrates in plants that are much taller. Calculation of nutrient uptake is a better approach. To calculate nutrient uptake, make sure you:

- dry plants collected

-get an accurate mass

- complete an analyses of the plant material.

To calculate nutrient uptake, multiply plant dry weight by nutrient concentration. Knowing the number of plants sampled, uptake for an individual plant can be determined. To measure nutrient uptake there must be access to an oven that will dry a sample rapidly and a scale or electronic balance that can measure small differences in weight. So, some planning is needed if there is intent to calculate nutrient uptake. In diagnostic situations, collect soil samples whenever and wherever you collect plant samples. Analysis of soil samples can often provide a good indication of nutrient deficiencies. By comparing the results of the analysis of soil samples collected, you can confirm or reject suspected nutrient deficiencies.

Hope this helps I did a project just like this.

Answer:

A

Explanation:

The only answer that makes sense is A. Her hypothesis could've been wrong, for starters. That does NOT mean she's a bad scientist or should she come up with an excuse on why the results didn't support it. The best way to go about it would be either repeating the experiment multiple times and then changing one variable and testing that too.

Symptoms of helminthiasis depend on the type of parasitic worm involved and can range from mild abdominal discomfort to severe malnutrition and anemia.

Treatment typically involves medication to kill the parasitic worms and can be done with drugs such as mebendazole or albendazole.

The correct term for a condition in which there is an intestinal infestation by parasitic worms is known as helminthiasis.

Parasitic worms that can invade the intestine and cause helminthiasis include nematodes, cestodes, and trematodes. Some common types of helminthiasis are ascariasis, trichuriasis, and hookworm infection.

Symptoms of helminthiasis depend on the type of parasitic worm involved and can range from mild abdominal discomfort to severe malnutrition and anemia.

Treatment typically involves medication to kill the parasitic worms and can be done with drugs such as mebendazole or albendazole.

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The total weight of the space shuttle decreases in the first 20 seconds due to the rapid combustion of the fuel.

In the first 20 seconds;

The fuel used in space shuttles is liquid hydrogen and oxygen.

The fuels are in liquid form in order to slow the combustion rate as well as to reduce the volume occupied by the fuels.

Oxygen is needed in tanks of space shuttles because oxygen is not abundant in space.

The total weight of the space shuttle decreases in the first 20 seconds due to the rapid combustion of the fuel.

In the first 20 seconds;

In conclusion, the combustion of the fuel of the shuttle produces the upward force to lift the shuttle.

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The hairs on Xander's arms lying flat against his skin indicates that his internal body temperature is likely within the normal range. Xander's internal body temperature is around c. 37°C, or 98.6°F.

The human body has a normal internal temperature range of 36.5–37.5°C (97.7–99.5°F), with an average of 37°C or 98.6°F. The hairs on the skin are controlled by small muscles called arrector pili muscles, which contract or relax to cause the hairs to stand up or lie flat against the skin. The contraction of these muscles in response to cold temperatures or fear is called piloerection, which is commonly known as goosebumps. When the body is at its normal internal temperature, the arrector pili muscles are relaxed, causing the hairs to lie flat against the skin. Therefore, if Xander's arm hair is lying flat against his skin, it is most likely that his internal body temperature is within the normal range, around 37°C or 98.6°F.

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Answer:

Diversity of life

Explanation:

Diversity of life refers to culture and it doesn't relate to any biology terms.

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:

the process whereby nonsister chromatids exchange genetic material

Explanation:

Crossing-over is a unique phenomenon which occurs only in the prophase I stage of meiotic division i.e. meiosis I. It is the process whereby nonsister chromatids of homologous chromosomes (similar but non-identical chromosomes from male and female parents) exchange their genetic material.

Answer:

Option A

Explanation:

The primary and Secondary structure are essential and present in all proteins and also include tertiary.

The primary structure is the amino acid sequence of the protein. This is the basic part of the protein.

The secondary structure are local folded structures that form within a polypeptide as a result of a couple of interactions between atoms of the backbone giving rise to the alpha helix and the beta pleated sheets in protein structures.

Answer:

In turn, the brain tells your body how to stay balanced. If you're on a rollercoaster or a boat that's moving up and down, the fluid in your inner ears might take a while to stop moving. This is why you may feel dizzy for a little while even when you stop moving or are on solid ground. Dizziness caused by the inner ear may feel like a whirling or spinning sensation (vertigo), unsteadiness or lightheadedness and it may be constant or intermittent. It may be aggravated by certain head motions or sudden positional changes.

Explanation:

How do you fix dizziness in the inner ear?

1) Sit on the edge of your bed. Turn your head 45 degrees to the right.

2)Quickly lie down on your left side. Stay there for 30 seconds.

3)Quickly move to lie down on the opposite end of your bed. ...

4) Return slowly to sitting and wait a few minutes.

5) Reverse these moves for the right ear.

The basis of the law of Independent Assortment developed by Mendel is that alleles on non-homologous chromosomes separate randomly into gametes during meiosis.

Mendel's 2nd law is known as the law of independent assortment. Mendel's 2nd law states that "if individuals differ from one another in two or more pairs of traits, a pair of traits will be inherited independently of another pair of traits."

Mendel performed dihybrid crosses or crosses with two different traits to prove this law.

Example:

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Answer:

0.04 kilogram/cubic meters

Explanation:

Steps:

ρ =  

m

V

=  

200 gram

5 cubic meter

=  40 gram/cubic meter

=  0.04 kilogram/cubic meter

The figure representation of the types of volcanoes in, figure 1 is a cinder volcano is an oval cone shape and fragmented magma is present. Figure 2 composite volcano which has polyclastic magma and the shape is cone-like. Figure 3 is a lava dome is a steep side dome and has thick lava.

Volcanic eruption is a natural process. When molten magma comes out of the earth's core is known as a volcanic eruption. The types of volcanic eruptions are cinder, composite, shield, and lava volcanoes. The most active volcano is present in Kilauea in Hawaii.

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Answer:

CO2 is the completely oxidized form of carbon from glucose

Explanation:

And is a by-product of cellular respiration.

Answer:

Hey there!

A beaker can not be used for measuring the volume of a liquid because it does not have precise measuring lines.

The best instrument to measure volume in the lab is a graduated cylinder.

D would be the correct answer for question 3. You only need a hot plate, a beaker, and a beaker tong to heat a reaction  in a beaker.

Let me know if this helps :)

This type of communication between the antigen presenting cell and the T cell is known as Transduction signaling, hence the correct option is d.

The act of a cell showing an antigen bound by major histocompatibility complex (MHC) proteins on its surface is known as antigen presentation, sometimes known as antigen presentation. Antigen presenting cell process antigens before they are presented to T cells. Antigens can be expressed in some form by almost all cell types. While cells that are infected with viruses (or cancer cells) can offer cytotoxic T cells with antigens that originate inside the cell, professional antigen-presenting cells, such as macrophages, B cells, and dendritic cells, provide helper T cells with exterior antigens. They may be found in several types of tissues. Through their T cell receptors, T cells may be able to recognise these complexes (TCRs).

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