you have generated antibodies that recognize the extracellular domain of the ca2 -pump. adding these antibodies to animal cells blocks the active transport of ca2 from the cytosol into the extracellular environment. what do you expect to observe with respect to intracellular ca2 ? group of answer choices ca2 -pumps in vesicle membranes will keep cytosolic calcium levels low. ca2 -pumps in the golgi apparatus will keep cytosolic calcium levels low. ca2 -pumps in the endoplasmic reticulum membrane will keep cytosolic calcium levels low. ca2 concentrations in the cytosol will increase at a steady rate.

Answer: is this what ur looking for?

1. Plate tectonic - continuing process in which sections (plates) move, instigating volcanoes and earthquakes, mountain construction and trench development.

2. Mid – ocean ridge - common type of divergent boundary.

3. Subduction - one plate sinks under another plate down into Earth's mantle, simple development alongside a convergent boundary.

4. Transform boundary - creating various earthquakes.

5. Rift valley - volcanoes and earthquakes shared and may developed low-lying comprising water.

I just took notes on this yesterday and got 110%

Explanation:

Hopefully this helped if not HMU and i will try my best to get u a better answer! :)

Answer:

A tectonic plate is part of the Earth’s lithosphere and can be best described a large, fairly rigid block.

Explanation:

got it right on EDG

During nondisjunction, two gametes contain two sets of chromosome and two gametes does not contain any chromosome. Hence, options A and B are correct.

Meiosis is a type of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this process is necessary.

Cells move through prophase, metaphase, anaphase, and telophase with each round of division.

During nondisjunction, two gametes contain two sets of chromosome and two gametes does not contain any chromosome. Hence, options A and B are correct.

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Answer:

the answer is b. thr-pro-ser

The amino acid chain which will be formed by the codons "ACU CCA UCG" will be Threonine-Proline-Serine. Thus, the correct option will be B.

An amino acid can be defined as the fundamental molecule which serves as the building block for protein molecules in the body. There are about twenty different amino acid molecules present inside the body of an organism. A protein molecule consists of one or more chains of amino acid molecules called as polypeptides whose sequence is encoded in a gene.

Different codons are present in the cell which encodes for different amino acids. A codon is a set of three nucleotides which encode amino acid molecules. ACU codon encode for threonine amino acid, CCA encode for Proline amino acid, and UCG encode for Serine amino acid.

Therefore, the correct option will be B.

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The force, F, needed to support the 500.0 N weight in the absence of friction is 17.63 N.

The force required to support the load at the piston B is determeined usig the equation of Pascal's principle.

Thye equation of Pascal's principle is given below as follows:

Pressure at Piston A = Pressure at Piston B

Pressure = Force / area

Area of piston A = πr²

r is radius

radius of piston A = 0.64 / (2 * 100)

radius of piston A = 3.2 * 10⁻³ m

Area of piston A = π (3.2 * 10⁻³ m)²

Area of piston A = π * 1.024 * 10⁻⁵ m²

Pressure at Piston A = 500 / π * 1.024 * 10⁻⁵ m²

Pressure at Piston A = 48828.125/π N

Hence, Pressure at Piston B = 48828.125/π N

radius of piston B = 3.8 / (2 * 100)

radius of piston  = 0.019 m

Area of piston A = π (0.019 m)²

Area of piston A = π * 3.61* 10⁻⁴ m²

Pressure at Piston B = F / π * 3.61* 10⁻⁴ m²

F = 48828.125/π N * π * 3.61* 10⁻⁴ m²

F = 17.63 N

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Answer:

whaaaaaat

Explanation:

The pox virion displayed in the image lacks an envelope, which differentiates it from other enveloped viruses. It possesses an icosahedral capsid, a core containing the genome, and lateral bodies, which are important for the virus's infection and replication processes.

The correct answer is an envelope.

The capsid is composed of protein subunits that form an icosahedral shape, which provides protection and stability to the viral genome. The core houses the viral DNA and essential enzymes required for replication and transcription.

However, unlike many other viruses, poxviruses do not have an envelope surrounding their capsid. An envelope is a lipid bilayer derived from the host cell membrane, often containing viral spike proteins. These proteins play a crucial role in binding and entry into host cells.

Despite lacking an envelope, poxviruses can still efficiently infect host cells by utilizing specialized structures and proteins on their capsid surface.

Therefore the correct answer is an envelope.

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Answer:

The purpose of this lab is to observe how heat flows through conduction, convection, and radiation.

Explanation:

Answer:

How heats flows past and keep the energy

Answer: common iliac vein, great sphanous, inferior vena cava

Explanation:

Answer:

mass using E= mc^2  is = 0.007*(3E8)^2 = 6.3E14 Joules

Explanation:

hope this helps :)

Answer:c  u take birth control to not get pregant so if  thers no sperm and eggs mixed no prego

Explanation:

Numerous proteins found in the Helicobacter pylori secretum interfere with innate immune reactions.

These substances can attach to and obstruct Fc recognition by skilled phagocytes, or they can target monoclonal antibodies and/or complementary components for destruction in order to evade the action of the complement.

The scientists discovered that Group A Schizophrenia (GAS) produces the S peptide, a previously unidentified protein that clings to the membrane of red blood cells to prevent being ingested and eliminated by phagocytic lymphocytes. Consequently, a person does not necessarily become immune to all bacterial infections just because they have antibodies for a kind of streptococcus bacteria.

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Answer:

to the absence of chlorophyll

The model described by the botanist is a predictive model that uses temperature as the independent variable and tree growth as the dependent variable.

It falls under the category of regression models, specifically linear regression, which aims to find a linear relationship between two or more variables.

Linear regression models are commonly used in many scientific fields to make predictions based on data. In this case, the botanist may have collected data on the growth of the tree over several years, along with corresponding temperature data for each year. By analyzing this data, the botanist can develop a linear regression model that predicts how much the tree will grow in a given year based on the temperature.

The model could have limitations, however, as there may be other variables that affect tree growth, such as soil nutrients, rainfall, and sunlight exposure. These variables may also need to be taken into account to create a more accurate model.

Overall, the botanist's model is a useful tool for predicting tree growth based on temperature, but further research and data collection may be necessary to refine the model and account for additional variables that affect tree growth.

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Answer:

the heart must pump more blood to other places of the body

Explanation:

Explanation:

As you exercise energy and oxygen are needed by the muscles to work, therefore the faster you move the quicker your heart beats inorder to supply the muscles you are using with energy and oxygen.

They are secreted by endocrine glands directly into the bloodstream.

The endocrine system is composed by glands that secrete hormones directly into the bloodstream. Those hormones communicate with the organism and affect a high number of processes that maintain its functioning.

Answer: Biomagnification refers to the process by which the concentration of a contaminant increases as you move to higher trophic levels in a food chain or food web. In other words, as organisms consume other organisms, the contaminants present in the prey accumulate and become more concentrated in the bodies of the predators.

To understand this process, let's consider an example involving a water ecosystem. Suppose a pollutant is released into the water, such as a pesticide or heavy metal. The primary producers, such as algae or aquatic plants, absorb small amounts of the contaminant from the water. As herbivorous organisms consume these primary producers, they ingest the contaminants along with their food.

Since the contaminant is not easily broken down or eliminated from the organisms' bodies, it accumulates over time. As a result, the concentration of the contaminant becomes higher in the herbivores than in the primary producers. Now, when carnivorous organisms consume the herbivores, they not only accumulate the contaminant from their own food but also from all the prey they have consumed. This leads to an even higher concentration of the contaminant in the carnivores.

Therefore, biomagnification describes the phenomenon where the concentration of a contaminant increases significantly as you move up the food chain or trophic levels. The highest concentration of contaminants is often found in top predators, such as large fish, birds of prey, or mammals, which can have adverse effects on their health and reproductive capabilities.

It's important to note that biomagnification primarily occurs for persistent and non-biodegradable contaminants that cannot be easily metabolized or excreted by organisms. These contaminants are often lipophilic (fat-soluble), which allows them to accumulate in fatty tissues and remain in the organism's body for long periods, leading to biomagnification.

Explanation:

Answer: clean evironment

Explanation:

Answer:

they would make up a population

Explanation:

A bunch of creatures combined in the pool made the, population in the pool.

Answer:

b to a

Explanation:

since cells in membranes move from high to low concentration (diffusion). b has more molecules, so it will go into a.

The frequency of the 18-repeat/24-repeat genotype is 0.06.

Genotype is the genetic makeup of an organism, which is determined by the combination of alleles inherited from its parents. It is the genetic code that determines the physical characteristics of an individual, such as eye color, hair color, skin color, and other traits. Genotype is different from phenotype, which is the physical appearance of an individual.

The frequency of the 18-repeat/24-repeat genotype is 0.06, which is calculated by multiplying the frequency of the 18-repeat allele by the frequency of the 24-repeat allele (0.2 × 0.3 = 0.06). This genotype occurs when an individual inherits one allele of each type from their parents, and is thus a combination of the two alleles. The frequency of this genotype is lower than the frequency of either of the two alleles, since it is a combination of the two.

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The promoter is recognized by the sigma (σ) subunit of RNA polymerase. Promoter sequences are rich in G and C base pairs, which facilitates the opening of the DNA complex.

RNA polymerase is the core enzyme for transcription in Bacteria. However, it is a holoenzyme until the sigma subunit binds to it forming the core enzyme. Holoenzymes are enzymes that are not bound by a cofactor, in this case, the sigma subunit. The RNA polymerase cannot recognize the promoter without the sigma subunit.

The promoter is G-C rich as it allows many transcription factors to bind to it causing the DNA complex to open up for the RNA polymerase to travel along the DNA strand to catalyze the synthesis of the RNA strand.

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The alkaline chemical makeup of Maneval's solution causes the color change from red to navy blue after adding it to the Congo Red staining technique.

The alkaline solution enables the Congo Red to dissociate to bind to the amyloid protein, causing the dye's spectrum of absorption to alter. This shift causes the color to shift from red to blue. This staining method is often used for recognizing amyloidosis, a category of disorders characterized by aberrant protein buildup in tissues and organ organs.

The alkaline pH of the solution causes the color change from red to blue with the Congo Red stained method after adding a bit of Maneval's solution. Maneval's solution is alkaline, and the African Red dye varies in color depending on the medium's pH.

Congo Red shows red at an acidic pH and blue at an alkaline pH. As a result, the observed color change in the Congo Red staining method can be attributed to the alkaline character of Maneval's solution.

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Answer:

Eukaryote

Explanation:

“Ancient” refers to archae. Archae and bacteria are the prokaryotic two domain out of three. In fact eukaryote have protists and plants which are able to perform autotrophic behavior. But unicellular wouldn’t define eukaryotes.

B: More efficient hemoglobin in the blood

They can live at higher altitudes, but that is only because they have more efficient hemoglobin in their blood.  Because of this, the veins to their heart are bigger, taking in more oxygen.

And because I just did the quick check.

The adaptation that allowed the Tibetans to live at high altitudes is that they have more efficient hemoglobin in the blood. So, the correct option is B.

Adaptations may be defined as any heritable trait that helps an organism such as plants, animals, microbes, etc. to survive and reproduce in its environment.

Tibetans possess a different habitat and live at higher altitudes. They have greater hypoxic and hypercapnic ventilatory larger lungs. Their blood hemoglobin concentration is lower, but the hemoglobin is found to be more efficient in the blood.

Therefore, the adaptation that allowed the Tibetans to live at high altitudes is that they have more efficient hemoglobin in the blood.

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Answer: A

Explanation: just took the test :)

The plastic that absorbs energy from sunlight becomes shrink. The correct option is B.

Endocrine disrupting substances (EDCs) are among them; they have been connected to a number of diseases such as infertility, obesity, diabetes, prostate cancer, and breast cancer.

In addition to these problems, chemicals have also been related to issues of neurodevelopment, growth, and reproduction.

Chlorinated plastic has the potential to leak dangerous chemicals into the soil around it. These chemicals can then seep into nearby water sources, including groundwater, and the ecosystem.

The species that consume the water may experience a variety of potentially dangerous impacts as a result.

The plastic is exposed to sunlight, which oxidises it and converts the polymers into oligomers, extremely soluble organic molecules.

Plastic breaks down into smaller molecules and absorbs UV radiation from the sun, thus how quickly it decomposes depends on how much of it is exposed to sunshine. This process is known as photodegradation in science.

Thus, the correct option is B.

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The true statement among the given options is (b) the cell walls of archaea lack peptidoglycan. This is the correct answer to the question.

Archaea and bacteria have different types of membrane lipids. Bacteria have fatty acids attached to glycerol by ester linkages, whereas archaea have isoprene chains attached to glycerol by ether linkages. Additionally, prokaryotes have high levels of genetic diversity due to their ability to undergo horizontal gene transfer.

While statement (a) is false because archaea and bacteria have different membrane lipids, and statement (c) is also false since prokaryotes exhibit high genetic diversity. Finally, (d) is a false statement as there are archaea capable of using CO2 to oxidize H2 and release methane, known as methanogens.

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"Competition for necessities, such as food and water, results in the survival of only some of the individuals who then have the ability to produce more offspring."

Resources like food, water, shelter, and partners that are vital for life and reproduction are frequently in limited supply in any particular community. Not every member of a population will be equally successful in obtaining these resources as there will be competition for them.

Some people may be better adapted, skillful, or efficient at acquiring the required resources, increasing their chances of survival and procreation.

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Missing parts;

Which statement describes how this leads to differential reproductive success? Competition for necessities, such as food and water, results in the survival of only some of the individuals who then have the ability to produce more offspring. A finite supply of resources can lead to natural selection in populations.

Chert and limestone are both sedimentary rocks, but they have different characteristics that can be used to distinguish between them. Here are some ways to tell - Hardness, Color, Texture, Acid reaction and Composition.

Chert and limestone are both sedimentary rocks, yet there are ways to tell them apart thanks to their various features. Here are various methods for identifying the different samples:

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