Which term refers to the threshold where enough members of a population have developed immune memory against a pathogen that infection transmission is dramatically restricted? Escape variant Hygiene hypothesis Attenuated virus Herd immunity

The areas of the cerebral cortex that are responsible for the integration of new information with stored information are the association areas.

The cerebrаl cortex, mаde up of billions of neurons аnd gliаl cells, is divided into the right аnd left hemispheres аnd into four lobes.

Other аreаs of the cortex аct аs аssociаtion аreаs, responsible for integrаting informаtion.

The remаinder of the cortex is mаde up of аssociаtion аreаs in which sensory аnd motor informаtion is combined аnd аssociаted with our stored knowledge. These аssociаtion аreаs аre the plаces in the brаin thаt аre responsible for most of the things thаt mаke humаn beings seem humаn. The аssociаtion аreаs аre involved in higher mentаl functions, such аs leаrning, thinking, plаnning, judging, morаl reflecting, figuring, аnd spаtiаl reаsoning.

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The phrases that describe groundwater are A. feeds surface water supplies and B. is the largest supply of freshwater.

A. Groundwater plays a crucial role in feeding surface water supplies. It is the primary source of water for many streams, rivers, lakes, and wetlands. Through a process called groundwater discharge, water from underground aquifers flows into surface water bodies, replenishing them during dry periods and maintaining their flow.

B. Groundwater is indeed the largest supply of freshwater on Earth. While vast amounts of freshwater are stored in ice sheets and glaciers (as mentioned in option E), these frozen sources are not immediately accessible for human use. Groundwater, on the other hand, is more readily available and accessible for various purposes, including drinking water, irrigation, and industrial use. It constitutes a significant portion of the planet's usable freshwater resources.

C. The option C, which states that groundwater includes wetlands, streams, and lakes, is incorrect. Groundwater refers specifically to the water that is stored beneath the Earth's surface in underground aquifers. Wetlands, streams, and lakes are surface water bodies that are fed by groundwater but are not part of groundwater itself.

D. The statement in option D, that groundwater is located on Earth's surface, is incorrect. Groundwater is located beneath the Earth's surface, within porous rock or sediment layers that hold water.

E. The statement in option E, that groundwater is found in ice sheets and glaciers, is incorrect. Groundwater refers to water stored underground, while ice sheets and glaciers are part of the Earth's frozen freshwater reserves, but they are not considered groundwater.

In summary, the accurate descriptions of groundwater are that it feeds surface water supplies and that it is the largest supply of freshwater on Earth.

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Answer:

Chemotaxis is the directed migration of cells in response to concentration gradients of extracellular signals. ... In multicellular organisms, it ensures that the right cells get to the right place at the right time during development, and plays an essential role in processes such as wound healing and inflammation [2, 3].

Answer:

A. mitochondria

Explanation:

The mitochondria makes energy for the animal cell. The mitochondria organelle is known as the "power house of all cells". It makes energy for the cell.

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Answer:

A

Explanation:

The statement that best explains how one offspring was born with white fur is that the allele for black fur is dominant over the allele for white fur.

Offspring may be defined as the resulted progeny which is produced after the successful mating between male and female.

In the given scenario, the allele for black fur is dominant (B) over the allele for white fur (w). The Genotypes of male and female are heterozygous, i.e. Bb. When Bb is crossed with Bb, the resulted offspring have the genotypes BB, Bb, Bb, and bb. Out of which, the first three have black fur and the last have white fur.

Therefore, the statement that best explains how one offspring was born with white fur is that the allele for black fur is dominant over the allele for white fur.

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Answer:

Waxing gibbous moon.

Explanation:

Waxing gibbous moon is called the lunar phase that occurs between the middle of the first quarter and the full moon, that is, when the sunlight covers more than 50% of the visible lunar surface but less than 100% of it. Thus, it is the fourth phase of the moon, within the crescent half of the cycle of said celestial body.

Answer:

Waxing Gibbous

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B. Warm all year long

Explanation:

here are normally only two seasons in tropical climates, a wet season and a dry season. The annual temperature range in tropical climates is normally very small. Sunlight is intense.

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Only about 10% of the energy from each trophic level is transferred to the following level in an energy pyramid. This implies that only 10%, or 50 units, of the energy accessible at the first level consumer level, if there are 500 units of energy at the producer level.

Similar to this, only 10%, or 5 units, of the 50 units of energy at the first level consumer level would be accessible at the second level consumer level.

Therefore, the amount of energy at each trophic level would be:

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Answer:

los alimentos que dan proteínas son carnes,pescado,huevo,visceras,leche,derivados,frutos secos, cacahuetes

Answer:

The Republic of South Africa has designated three more sites to the List of Wetlands of International Importance: Ndumo Game Reserve, the Seekoeivlei Nature Reserve, and the Natal Drakensberg Park.

Explanation:

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: D

Answer:

Boron (- 11)

Explanation:

It has 5 protons and a mass number of 11 .

Explanation:

Decomposers – the best recyclers around.

No chlorophyll – non photosynthetic.

Most multicellular (hyphae) – some unicellular (yeast)

Non-motile.

Cell walls made of chitin (kite-in) instead of cellulose like that of a plant.

Are more related to animals than plant kingdom.

Answer:

1.Fungi are non green thallophytes.

2.They lack chlorophyll.

3.The body of fungi is thalloid and it is called mycellium.

4.They are multicellular and made up of eukaryotic cell except yeast.

5.The cell wall of their cells is made up of chitin.

Answer:

. Every element can exist in the 3 basic states:

Explanation:

2 Answers. : gas, liquid, solid. It is just a matter of enough freezing and high pressure (to solidify gases, even Helium) or enough heat and low pressure (to vaporize metals, even tungsten)

Answer:

Antacid

Explanation:

Used to counteract or neutralize gastric acids

Answer:

The class of chemical substances used to neutralize the stomach acid is known as antacids. They contain ingredients such as aluminum, calcium, magnesium, or sodium bicarbonate. These are mild bases that can neutralize the stomach acid without damaging the organs.

Explanation:

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Answer:

Braided rivers have a multithreaded plan form comprising many confluences and diffluences (Miall, 1977). Braid bars and channels can be classified as a hierarchy depending upon their relative size, and three orders of braiding can be seen in proglacial rivers with constant discharge. First-order braid bars are those largest bars which are separated by major channels. First-order bars are made up of a series of smaller, second-order braid bars, which are separated by smaller channels. Third-order braid bars are contained within second-order bars. Complexity of braid pattern is, however, strongly stage dependent, with rivers losing their braided character during peak flood conditions. Braid bars, mid-channel bars, unit bars, and islands have been described in braided river systems on a range of scales ranging from meters to kilometers. All bars are subject to dissection , remobilization, and migration by the appropriate discharge magnitude and frequency (Miall, 1977, 1983).

Explanation:

Answer:

The RNA Sequence that would be produced during Transcript is ;

AAU GAU ACU GCA GC

Explanation:

To find the RNA sequence you need to alternate the A for U the C for G the G for C and the T for A. The first 4 amino acids will be codded and can be determined by their full names. The overall Base sequence is found by moving the bases after the 5th nitrogen base into three letter groups. Therefore we can now see that that the RNA sequence, the first amino acids coded and a new base sequence has been found.

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According to the information, we can infer that the Independent variable: Temperature (specifically, the range of temperature). On the other hand, Dependent variable: Distribution of pikas. Additionally, Control: Pikas within their tolerance range of temperature and Constants: Other environmental factors, habitat conditions, and population of pikas.

In this experiment, the independent variable is the temperature, specifically the range of temperature. The researcher will manipulate and observe how different temperature ranges affect the distribution of pikas.

The dependent variable is the distribution of pikas. It refers to the geographical or spatial range in which pikas are found. The researcher will measure and analyze how the distribution of pikas changes in response to different temperature ranges.

To ensure test validity, a control group of pikas within their tolerance range of temperature needs to be included. This group will experience temperatures within the range they can tolerate, providing a baseline for comparison. By comparing the distribution of pikas in different temperature ranges to the control group, the researcher can determine the impact of temperature on their distribution.

To maintain validity, other environmental factors such as altitude, precipitation, vegetation, and habitat conditions should be kept constant across the experimental groups. Additionally, the population of pikas being studied should be consistent, without any significant changes in population size or genetic composition throughout the experiment. These constants help isolate the effect of temperature on pika distribution and minimize confounding variables.

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Cell biology: Mitochondria, aerobic respiration.

Human biology

Cellular respiration is the process through which the cell obtains energy (ATP) from breaking down nutrients, such as carbohydrates, proteins, and lipids.

So, if we want to compare an organ with the mitochondria, where most of the cellular respiration occurs, we need to look for an organ that provides energy to the body. The closest one would be the stomach, that breaks do

Genus is a taxonomic classification, which ranks below family (and any Subfamily) and above Species. Whereas species is a taxonomic classification that ranks below Genus in the taxonomy hierarchy, but it is the fundamental level of classification for an organism.

Answer:

Family - Rosaceae

Genus - Rosa L.

Species - Prairie Rose

Mechanoreceptors known as baroreceptors enable the autonomic nervous system to communicate information generated from blood pressure.

Thus,  Baroreceptors come in two varieties: low-pressure volume receptors and high-pressure arterial baroreceptors, both of which are triggered by stretching of the vessel wall.

Carotid sinuses and the aortic arch both include arterial baroreceptors. The atria, ventricles, and pulmonary vasculature all include low-pressure volume receptors (also known as cardiopulmonary receptors).

When you experience something that raises or lowers your blood pressure, the baroreceptor reflex keeps it constant. Your blood pressure is swiftly returned to normal range after a complicated sequence of procedures.

Thus, Mechanoreceptors known as baroreceptors enable the autonomic nervous system to communicate information generated from blood pressure.

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The match for the given scenario will be 1-B, 2-E, 3-F, 4-A, 5-D, 6-C, and 7-G.

An experiment is a methodology that is conducted out to confirm or disprove a hypothesis, or to assess the effectiveness or possibility of a method that has never been tried before.

A hypothesis is an educated guess about a problem's solution. Control is used to demonstrate that the outcome of an experiment is truly due to the condition under test.

The component that is manipulated during an experiment is known as the dependent variable. Experiment is a structured process for testing a hypothesis.

A conclusion is a decision based on the outcomes of an experiment. Observations and dimensions are recorded as data.

The response measured in an experiment is known as the independent variable.

Thus, the correct match is 1-B, 2-E, 3-F, 4-A, 5-D, 6-C, and 7-G.

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The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).

1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).

Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).

Now we can express the ratio between 92 mL and 88.72 mL:

92 mL : 88.72 mL

Simplifying the ratio by dividing both sides by the greatest common divisor, we get:

46 : 44

So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

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Answer:

The term that refers to the practical applications of scientific knowledge is A. Technology.

Explanation:

Technology is the application of scientific knowledge to design and create new products, machines, and processes that make people's lives easier, safer, and more convenient. It involves the application of scientific knowledge to solve practical problems and create new technologies that improve people's lives. Technology is an essential part of modern life, and it is used in every aspect of our daily lives. Technology has become a necessary part of our world, from the cars we drive to the phones we use to communicate.

Answer:

Color balance changes the overall mixture of colors in an image and is used for color correction. Generalized versions of color balance are used to correct colors other than neutrals or to deliberately change them for effect.

Explanation:

Answer:

The correct answer is option D.  Light and some other factors are necessary for chlorophyll production

Explanation:

By this experiment, it is clear that light is the major factor that helps in the production of chlorophyll in seedlings or plants. In this study, placing the seeds in the light turns 75 seedlings green which is possible by the production of the green pigment, chlorophyll only. So, it is proved that light is a key factor in the production of chlorophyll.

Besides light, there must be some other factors (mineral nutrition and chemical metabolites) that also play role in the production of chlorophyll or increase or decrease of the chlorophyll production as few seedlings did not turn green in the study.