What is the momentum of a 800kg car moving at 15m/s?

Answer:

the number of protons, neutron and electron for a neutral atom of nitrogen is p:7E:7N:7

Answer:

2.1.

In the environmental context, generally microorganisms are the most important agents of biodegradation. Although extensive degradation of some xenobiotic chemicals can occur in mammals (usually in the liver), they are not particularly important in degradation of environmental pollutants.

Explanation:

Answer: Liver

Explanation:

Glycogen is found in the form of granules in the cytosol in many cell types.

Answer: methionine, arginine, threonine

Explanation:

Information can be transmitted from these extracellular structures to the cytoplasm.  is correct about extracellular structures (plant cell walls and the extracellular matrix of animal cells)

The extracellular matrix (ECM), also known as the intercellular matrix in biology, is a three-dimensional network of extracellular macromolecules and minerals, such as collagen, enzymes, glycoproteins, and hydroxyapatite, that support neighboring cells structurally and biochemically. The composition of the extracellular matrix (ECM) varies among multicellular structures due to the independent evolution of multicellularity in many multicellular lineages; yet, cell adhesion, cell-to-cell communication, and differentiation are ECM functions that are shared.

The interstitial matrix and basement membrane make up the extracellular matrix of animals. Many different animal cells have interstitial matrix (i.e., in the intercellular spaces). In the interstitial space, polysaccharide and fibrous protein gels operate as a compression buffer to lessen the stress on the ECM.

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Answer:

Explanation:

A paradigm shift is a major change in the concepts and practices of how something works or is accomplished.

A paradigm shift very often happens when new technology is introduced that radically alters the production process of a good or service.

Although the idea of paradigms has been around for quite some time, the concept was explored by physicist and philosopher Thomas Kahn Kuhn.

Answer: THE ANSWER IS FALSE.

Answer:

A dominant phenotype will be expressed when at least one allele of its associated type is present, whereas a recessive phenotype will only be expressed when both alleles are of its associated type. However, there are exceptions to the way heterozygotes express themselves in the phenotype.

Explanation:

Mammals' skulls, as well as their dentition, may provide us with information about their diet. The skull of a mammal that lacks sharp canine teeth and has broad, flat molars, is likely to be herbivorous.

Furthermore, the molars' flat shape indicates that the mammal is probably a grazer that consumes grass or tough vegetation. In contrast to carnivorous mammals that use their sharp, pointed canine teeth to tear flesh and their molars to shear meat into smaller pieces, herbivorous mammals use their flat, wide molars to grind and crush tough vegetation.

The molars are often covered in ridges and crests, which increase the surface area of the teeth, allowing them to break down the fibrous plant material into smaller pieces that can be more easily digested. The molars are frequently continually expanding throughout the animal's life, allowing the animal to continue to grind up vegetation even as its teeth become worn down due to constant use.

The skull and teeth of a mammal provide important clues about its lifestyle, feeding habits, and ecology, and scientists can learn a lot about past animals by studying their bones.

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Answer:

?

Explanation:

Answer:

Napoleon Crossing the Alps (also known as Napoleon at the Saint-Bernard Pass or Bonaparte Crossing the Alps; listed as Le Premier Consul franchissant les Alpes au col du Grand Saint-Bernard) is a series of five oil on canvas equestrian portraits of Napoleon Bonaparte painted by the French artist Jacques-Louis David ...

Explanation:

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According to the scientific methodology, researchers must make themselves a question and then propose a hypothesis. B:“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.

When following the scientific methodology researchers must formulate a question and a hypothesis.

The question is what the researcher wants to know. It is triggered when making an observation for which there is no explication yet. The researcher wants to know what is causing a certain event and how or why it is occurring.

A hypothesis is a scientific conjecture, not verified, that requires corroboration. It is a possibility, not a fact. It is a claim of how it works a relationship between two or more variables.

The researcher hypothesizes to predict what is going on or what is expected to occur.

Option B:“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.

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Sexual reproduction in plants involves the fusion of male and female gametes to produce offspring with genetic diversity.

Mechanisms that facilitate sexual reproduction in plants are examples:

1)Pollination and Fertilization: Many plants rely on pollinators, such as bees, butterflies, or birds, to transfer pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of flowers.

This process enables the fusion of sperm cells within the pollen with egg cells in the ovules, leading to fertilization.

Examples include flowering plants like roses, sunflowers, and apple trees.

2)Seed Production: After fertilization, the ovule develops into a seed. Seeds contain an embryo, formed by the fertilized egg, enclosed within a protective seed coat.

The mature seeds can disperse and germinate to give rise to new plants.

Various plant groups, including angiosperms (flowering plants) and gymnosperms (conifers and cycads), reproduce sexually through seed production.

3)Alternation of Generations: In plants with a complex life cycle, such as ferns, mosses, and liverworts, sexual reproduction involves an alternation between two distinct generations: the gametophyte and the sporophyte.

The gametophyte generation produces gametes (sperm and eggs) through specialized structures, while the fusion of gametes gives rise to the sporophyte generation, which produces spores.

4)Self-fertilization: Some plants have the ability to self-fertilize, where the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant.

This allows for sexual reproduction without the need for external pollinators. Self-fertilization can be seen in plants like tomatoes, peas, and certain grass species.

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The characteristic of life that is exhibited by an algal cell moving toward light is ability to respond (option D).

Living things are animate things i.e. something that lives, as opposed to being inanimate or dead.

Living things are characterized by certain processes that distinguishes them from their non-living counterparts.

These characteristics are as follows:

According to this question, an algal cell is said to move towards light. This shows that the algal cell is exhibiting irritability as a characteristic of life i.e. the cell is responding to light stimulus.

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Foraminifera is a phylum of Protists with an external shell, called "test" with diverse shapes. Most of them are marine and live on the seafloor.

Most foraminifera are heterotrophic, which means they feed from other organisms or organic matter.

Some have photosynthetic endosymbionts and are considered mixotrophic (they can produce their own food but also feed external sources), although is the endosymbionts and not them who photosynthesize.

So, given that they don't photosynthesize, Foraminifera are more similar to animals than to plants.

Answer:

Explanation:

Given that:

The dilution rate D = 0.28 h⁻¹

The concentration of lactose in the feed \(S_o = 2.0 \ g/L\)

The effluent S = 0.10 g/L

Also;

\(Y_{X/S} = 0.45 g\ X/g \ S , \\ \\ Y_{X/O2 }= 0.25 g \ X/g \ O2, \\ \\\)

Saturation C* = 8 mg/l

To calculate the steady-state biomass, we use the formula:

\(X = Y_{X/S}(S_o-S_e) \\ \\ X = 0.45(2.0 -0.10) \ g/L \\ \\ X= 0.45 (1.9) \ g/L \\ \\ X = 0.855\ g/L \\ \\ X = 855 \ mg/L\)

The biomass is 0.855 g/L

For a steady-state condition, the oxygen uptake rate can be illustrated by using the formula:

\(q_{o_2}X =\dfrac{\mu_X}{Y_{X/O_2}}\)

where;

\(\mu =\) dilution rate (D)

Thus, the steady-state can be expressed as:

\(q_{o_2}X =\dfrac{D}{Y_{X/O_2}}\)

\(q_{o_2}X =\dfrac{0.28}{0.25}\)

\(q_{o_2}X =1.12 \ h^{-1}\)

The specific rate of oxygen consumption \(q_{o_2}X =1.12 \ h^{-1}\)

b)

In the fermentation medium, if the desired DO concentration \(C_L\) = 2 mg/L

Here, the oxygen transfer is regarded as the rate-limiting step.

As such, the oxygen transfer rate(OTR) is equivalent to the oxygen uptake rate.

In this scenario, let's determine the oxygen transfer coefficient \((K_{La})\) by using the formula:

\(OTR = K_{La}(C^* - C_L)\)

where;

\(K_{La}\)= coefficient of oxygen transfer

C* = saturation

Since \(OTR = q_{O_2}X\)

\(q_{o2}X = K_{La}(C^*-C_L) \\\\ (1.12 )(855) = K_{La}(8-2) \\ \\ 957.6 = K_La (6) \\ \\ K_{La}= \dfrac{957.6}{6} \\ \\ K_{La} = 159.6 \ h^{-1}\)

Thus, the oxygen transfer coefficient \(K_{La}\) = 159.6 h⁻¹

Answer: The cycle of day and night on Earth is caused by the rotation of the Earth on its axis. As the Earth rotates, different parts of the planet are exposed to the Sun's light, causing daylight in some areas and darkness in others.

Explanation:

r:grasshoppers and cockroaches different in colour, habitat, and body mechanism .

Explanation: grasshoppers coluor range is green while cockroaches colour is redishBrown

Grasshoppers habitat is grass while cockroaches habitat is watery (wet) and dirty places.

Theses are observable differences.

The presence of igneous rocks and granite rock features would support the theory of previous volcanic activity.

If an analysis of rock types in the area of the Acadia National Park shows the presence of igneous rocks and granite rock features, it would support the theory that the rocks in the area were formed from previous volcanic activity.

Igneous rocks are formed from the solidification of magma or lava, which are products of volcanic activity.

Granite is a type of igneous rock that forms from the slow cooling and solidification of magma beneath the Earth's surface.

The presence of sedimentary, metamorphic, or carbonate rock types would not support the theory of previous volcanic activity because these types of rocks are formed through different processes, such as sedimentation, heat and pressure, and chemical reactions.

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Answer:

Jovian planets are larger, further from the sun, rotate faster, have more moons, have more rings, are less dense overall and have denser cores than terrestrial planets. Jovian planets also have gaseous atmospheres, with the main gases being hydrogen and helium.

Answer:

a

Explanation:

because of the answer t b

Answer: The doctors should not prescribe penicillin because bacteria become resistant to penicillin over time.

Explanation:

Penicillin is used as a therapy for bacterial infections. The synthesis of the enzyme penicillinase, which disintegrates the penicillin molecule and renders it useless, is what led to the development of the resistance in bacteria.

Penicillin was administered to patients with throat infections. It was observed that the patients developed immunity to the antibiotic and rendered it ineffective.

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Answer:

-Viscosity

-the absence of shape memory

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--------------------------------------------------------------------------------------------------------------Question: What are two characteristics of fluids?

--------------------------------------------------------------------------------------------------------------Answer: Let's use body fluids for example.

1. Fluids can be either liquids or gases. Gas is easy to compress and expands to fill its container while the liquid is hard to compress.

2.  Blood and Lymph are the two main body fluids.

-------------------------------------------------------------------------------------------------------------

Answer:

chemical

Explanation:

Answer: metabolism

Explanation:

Many people think that metabolism is just the process of creating energy, but it is so much more than that. However, any chemical process that occurs in the body with the idea of being life-sustaining is considered metabolism. The rate of metabolism varies from person to person, with some people having faster metabolism than others.

The term metabolism refers to all chemical reactions occurring in the body. Therefore, option D is correct.

Metabolism contains a wide range of processes involved in the conversion of nutrients into energy, the synthesis of molecules needed for cellular activities, and the breakdown of substances for elimination.

Metabolism is of two types and that is anabolism and catabolism. Catabolic reactions involve the breakdown of larger molecules into smaller ones, releasing energy in the process. Anabolic reactions involve the synthesis of larger molecules from smaller components, requiring energy input.

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Answer:

- Binomial nomenclature is a widely accepted naming system, which is used in the naming of living things. Multiple native names make it extraordinarily tough to establish an organism globally and maintain an observation of the variety of species. Thus, it creates quite a lot of confusion. To eliminate this confusion, a normal protocol came up. According to it, every organism would have one scientific title which might be utilized by everybody to establish an organism.

What is binomial nomenclature?

Binomial Nomenclature follows a universally accepted naming system, which is used to provide a scientific name to a known organism.

Binomial Nomenclature also known as the binary nomenclature.

It uses two-terms during the nomenclature of a specie (plants, animals, and living organisms) that is why it called two-term naming system.

The scientific name of an organism or binomial nomenclature consists of two words, such as the generic epithet and describes the genus and the specific epithet and refers to the species of the organism.

Both of this term is written in italic and the genus name is capitalized.

Binomial nomenclature was given by Swedish botanist and physician Carl Linnaeus. He also called the founder of modern taxonomy.

Carl Linnaeus described and classified thousands of species of plants and animals in his book Systema Naturae.In this technique, there are particular guidelines that are followed while naming organisms. This normal algorithm is relevant to plants and animals whereas giving them distinctive names inside a given system.There are two worldwide codes such as the International Code of Botanical Nomenclature (ICBN) deal with the biological nomenclature for plants and the International Code of Zoological Nomenclature (ICZN) deal with the biological nomenclature of animals.

These two codes agreed upon by all of the biologists over the world for the naming protocol. These codes ensure that every organism will get a selected identity and that identity is globally recognized.

Summary of the limitation binomial nominclature:

- Some of the main drawbacks of binomial nomenclature are: If two or more names are actually in use in compliance with the priority rule, the appropriate name will be used first and the other names will end up being synonyms because authenticity is synonymous with the senior.

When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.

Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.

Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.

When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).

Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.

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Natural selection is a process that helps animals that have made better adaptations to their environment survive. In an ecosystem, autotrophs are producers who transform solar energy into energy for the other trophic levels.

An ecosystem is a region where a bubble of life is created by plants, animals, and some other organisms interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, as well as other species are biotic factors.

The composition of an ecosystem Living things require various abiotic stimuli, and they can adapt to those abiotic variables in various ways. The biotic components of the ecosystem are influenced by each and every biogenic factor (air, water, soil, sunlight, temperature, and humidity).

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