This scientist looked at cork and used the term "cells" to describe what he saw *

As a cold front passes through an area you may experience and low thick clouds.

After a cold front moves through your area, we experience cooler temperature, no rain, and the stratus and stratocumulus clouds instead of  cumulus clouds.

So we can conclude that As a cold front passes through an area you may experience and low thick clouds.

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Answer:A,B,C

Explanation:

The cold climate near the Andes Mountains in South America and Mt. Kilimanjaro in Africa is primarily due to their high elevations. As air rises over mountain ranges, it cools and loses moisture, resulting in lower temperatures and arid conditions on the leeward side of the mountains.

Mount Kilimanjaro is the highest peak in Africa, rising over 19,000 feet above sea level. The mountain's height and location near the equator result in a unique climate that includes freezing temperatures at the summit despite its proximity to the hot and humid tropics below.

The cold climate near the Andes Mountains and Mount Kilimanjaro is a result of their high elevations and their location on the leeward side of mountain ranges, where air cools and loses moisture as it rises.

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Compared to fish found in lower temperature habitats, fish that inhabit higher temperatures tend to have more cholesterol and less saturated hydrocarbons in their lipid membranes.

Cholesterol and the fatty acid composition of lipid membranes play important roles in maintaining the fluidity and stability of the membrane. At higher temperatures, the increased thermal energy can cause the lipid membrane to become more fluid. To counteract this, the membrane may contain more cholesterol, which helps to increase the stability of the membrane. On the other hand, saturated hydrocarbons tend to make the lipid membrane more rigid, so the membrane may contain fewer of these compounds to maintain its fluidity. In lower temperature habitats, the lipid membrane may contain more saturated hydrocarbons to help increase the stability of the membrane and maintain its fluidity. In these conditions, the thermal energy is lower, so the membrane may not require as much cholesterol to maintain its stability.

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Answer:

Coral reefs and sandbars create lagoons.

Explanation:

↑↑↑↑↑↑ the one above is the answer

Following the Hardy-Weinberg equilibrium theory, in a population of six million people, 1,080,000 individuals are healthy and carriers (heterozygous) for the trait.

The Hardy-Weinberg equilibrium is a theory that states that populations in equilibrium get the same allelic and genotypic frequencies generation after generation.

These populations do not evolve. No evolutive forces are acting on them.

Assuming a diallelic gene, frequencies are

Allelic frequencies

Genotypic frequencies

In a population in equilibrium,

We will consider these equations to solve the problem.

Because we have the frequency of the homozygous recessive genotype, we can get the allelic frequency.

Now, by clearing the equation p + q = 1, we can get the dominant allele frequency. And then, the frequency of the homozygous dominant genotype.

Finally, we can get the frequency of the heterozygous genotype

The number of individuals with each phenotype in the population is,

In a population of six million people, 1,080,000 individuals are healthy and carriers (heterozygous) for the trait.

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Answer:

B. Animal cells

Answer:

Animal cells

Explanation:

just the way they structured

Answer:

--Block immune cells from crossing the blood brain barrier.

--Stimulate the regeneration of myelin.

Explanation:

Multiple sclerosis or shortly known as MS is an unpredictable disease caused in the humans. Multiple sclerosis affects the central nervous system of our brain which causes the disruption in the flow of the information within our brain, and between our brain and the body.

It is a very rare disease.

The symptoms of MS may vary and includes double vision, weakness, fatigue, impaired coordination, pain, etc. Though there is no permanent cure for MS but scientist and doctors around the world suggest that by blocking the immune cells and stopping them from crossing our blood brain barrier can prevent this disease.

Multiple sclerosis can also be prevented by stimulating the myelin to regenerate.

Answer: C i think

Explanation:

Answer:

24/2 = 12

Explanation:

(I'm pretty sure this isn't a Biology question, but I'll answer this because I'm nice.)

To translate English into algebriac equations, we have to understand what the symbols in algebra mean. Here are some we should know:

= : "equal to", "is", "equivalent to", etc.

> : "greater than"

< : "less than"

>= : "greater than or equal to", "at least"

<= : "less than or equal to", "at most"

We also have to know basic math operations:

a + b : "a added to b", "a plus b", "a combined with b", "a more than b", etc.

a - b : "a minus b", "b less than a", "b subtracted from a", etc.

a * b : "a multiplied by b", "a times b", "the product of a and b", etc.

a / b : "the quotient of a and b", "a divided by b", etc.

There are MUCH MORE examples of this, yet it becomes second-nature to change English sentences into algebra.

So, let's tackle the question. Sadly, it's pretty simple, so I won't really go in depth here. Since the quotient of a and b is a/b, the quotient of 24 and 2 is 24/2. We can also say that "is equal to 12" is "= 12". So,

24/2 = 12.

It is necessary for cells to have nucleus acids in their nucleus because they carry the genetic blueprint of a cell and carry instructions for the functioning of the cell.

A nucleic acid is a chain of nucleotides that biological systems use to store genetic information. It produces the DNA and RNA molecules, which hold the data necessary for cells to produce proteins.

A "polymer" of "nucleotides," or a long molecule made up of them, is referred to as nucleic acid. All life on Earth needs nucleic acids to store genetic information; in other words, nucleic acids serve as the "source code" or fundamental blueprint for the creation of cells.

Your genetic information, which you acquired from your parents, is stored and transmitted by nucleic acids. Genes are unique pieces of nucleic acids that are in charge of creating every protein in your body. 

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Answer:

Laplace law

Explanation:

Have a nice day :)

Answer:

Lack of nutrients in our body causes disorders / diseases in our body and those diseases are deficiency diseases. For example scurvy is caused by lack of vitamin C.

Viruses are contagious organisms that exhibit both living and nonliving traits. The ability to replicate and mutation are two aspects of life that viruses possess, but only in living host cells.

A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations. Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can. Our cells are constantly undergoing mutations, yet very few of these have any negative effects on our health. Compared to what we typically see in science fiction movies, this is completely different.

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Polypeptide:
A chain of amino acids linked together by peptide bonds and having a molecular weight of up to about 10,000.

Dipeptide:

A peptide that yields two amino acids on hydrolysis.

Answer:

Humoral immunity protects the body against extracellular pathogens and their toxins. Cell-mediated immunity protects the body against intracellular pathogens. Recognises pathogens in circulating in blood or lymph.

celluler immunity is very specific compared with humoral

Identifying the DNA sequence enable researchers to know the type of

genetic information present in it.

This is a technique which is used to determine the nucleotide sequence of

a DNA. The sequence contains information which tells the researchers the

features it codes for.

This is important as it helps scientists to modify various types of organisms

and incorporate the favorable traits into them.

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In the given equation, Ek represents the kinetic energy of an object.

Kinetic energy (Ek) is a form of energy associated with the motion of an object. It is dependent on both the mass (m) and the velocity (v) of the object.

The equation Ek = (1/2)m\(v^2\) represents the formula to calculate the kinetic energy of an object.

The symbol "Ek" is commonly used to represent kinetic energy in scientific calculations and equations. By plugging in the values of mass and velocity into the equation, one can calculate the amount of kinetic energy possessed by the object.

The kinetic energy of an object increases with both its mass and velocity. As the mass increases, the object has more particles in motion, contributing to higher kinetic energy.

Similarly, as the velocity increases, the speed at which the object moves also increases, resulting in greater kinetic energy.

Therefore, understanding and calculating kinetic energy is important in various scientific and engineering applications, such as studying the movement of objects, analyzing collisions, or designing efficient systems.

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Question

Look at the incomplete equation below. What does Ek represent?

Ek =----- x m x v2

The remora fish, which adheres to a shark and feeds on the leftovers of the Parasitism, mutualism, and commensalism are all types of symbiosis. The correct option is C.

Thus, a biological relationship between two or more distinct species is called symbiosis. Three different kinds of symbiotic interactions include parasitism, mutualism, and commensalism. One species gains from parasitism while the other suffers. The parasite can harm or even kill its host while feeding on it. In a mutualistic connection, both species gain from the interaction.

For instance, bees pollinate flowers while the blooms feed the bees nectar. One species gains by commensalism, whereas the other is neither aided nor hurt, which is a type of symbiosis.

Thus, the ideal selection is option C.

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Introduction : The purpose of the experiment was to investigate genetic variation and inheritance of traits in plants through a series of crosses.

Dominant traits are expressed when an individual has at least one dominant allele, while recessive traits are only expressed when an individual has two copies of the recessive allele.

Experimental Methods

The tools used to collect data were a magnifying glass, scissors, forceps, and plant breeding charts.

The experiment began by selecting two parent plants with different traits, such as one with purple flowers (B) and one with white flowers (D). The plants were then cross-pollinated, and the resulting seeds were planted to grow the first generation (F1) plants. The F1 plants were then self-pollinated to produce the second generation (F2) plants, which were observed and recorded for their flower color.

Data and Observations

The data collected for the first generation cross is shown in Table 1.

Table 1. First Generation Cross Results

Cross Number of purple flowers Number of white flowers

B+D 30 0

C+A 0 30

B+A 30 0

The data collected for the second generation cross is shown in Table 2.

Table 2. Second Generation Cross Results

Cross Number of purple flowers Number of white flowers

Purple + White 25 25

Purple + Purple 63 0

White + White 0 64

Overall, the data observed indicates that the inheritance of traits in plants is dependent on the genetic makeup of the parents and follows predictable patterns based on dominant and recessive alleles.

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Answer:

The Sun shines because it is able to convert energy from gravity into light. This is what happens to the hydrogen gas in the core of the Sun. It gets squeeze together so tightly that four hydrogen nuclei combine to form one helium atom. This is called nuclear fusion. Hope this helps

Explanation:

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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Answer:

lichen, moss, shrubs, maple tree, frogs and there are many more biotic factors found in deciduous forest

The role of hydrogen in the synthesis of saturated fats is that hydrogen when added to the unsaturated fats converts them into saturated fats and helps them solidify.

By converting all of the double bonds in the fat to single bonds, full hydrogenation causes all of the unsaturated fats to change into saturated fats. Partial hydrogenation eliminates certain double bonds by partially replacing them with single bonds, but not all of them. Remember that an alkene becomes an alkane when hydrogen is added to it.

An example for a hydrogenation reaction:

\(H^{2}C\)=\(CH^{2}\) + \(H^{2}\) → \(CH^{3}CH^{3}\)

In this reaction the reactant is alkene, which is an unsaturated hydrocarbon, while the product formed by hydrogenation, alkane, is a saturated hydrocarbon. Commonly referred to as "polyunsaturated," vegetable oils. This only indicates the presence of several double bonds. The hydrogenation reaction can turn liquid vegetable oils into solids. This "hardening" process turns margarines and shortenings into solids or semi-solids.

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Answer:

a. True

Explanation:

Carbon Dioxide and Water are reactants of photosynthesis while glucose is the product :)

Calderón-Garcidueñas has conducted research on the impact of air pollution on the brain and cognitive function. Other scientists in Germany and Boston have also conducted studies that support her work and findings.

In Germany, a group of researchers conducted a study to investigate the effects of air pollution on brain structure and cognitive function in a large population of older adults. The study utilized neuroimaging techniques to assess brain volumes and cognitive tests to evaluate cognitive performance. The findings revealed a significant association between long-term exposure to air pollution and reduced brain volume in regions related to memory and learning. The study also found that higher levels of air pollution were associated with poorer cognitive performance in various domains.

In Boston, researchers focused on the impact of air pollution on children's brain development. They conducted a study involving a cohort of children and assessed their cognitive abilities using standardized tests. The study found that children exposed to higher levels of air pollution exhibited lower cognitive scores, particularly in areas related to attention, memory, and language skills. The researchers also observed structural changes in the brain, specifically in regions involved in cognitive control, in relation to air pollution exposure.

These studies from Germany and Boston provide additional evidence supporting Calderón-Garcidueñas' findings regarding the detrimental effects of air pollution on the brain and cognitive function. They reinforce the notion that long-term exposure to air pollution can lead to structural changes in the brain and have a negative impact on cognitive abilities. The collective findings highlight the importance of addressing air pollution as a public health concern and implementing measures to reduce pollution levels to safeguard brain health and cognitive development, particularly in vulnerable populations such as children and older adults.

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Here, the hypothesis is "plants communicate with their neighbors in response to stress", dependent variable is the amount of the stress hormone in the plants, and the independent variable is the exposure to stress (applied 3 times a day for 10 days), standardized variables are plants used, duration of the stressor, amount of stress hormone. The control group is the plant that is not exposed to stressor.

Here, the control group is the group of plants that are not exposed to stress, and the control groups plants are experimented or tested with the other plants to get the result of the stress hormone on the plants.

Hence, here, the hypothesis is "plants communicate with their neighbors in response to stress", dependent variable is the amount of the stress hormone in the plants, and the independent variable is the exposure to stress (applied 3 times a day for 10 days), standardized variables are plants used, duration of the stressor, amount of stress hormone. The control group is the plant that is not exposed to stressor.

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Answer:

The answer would be proteins

Explanation: Hope this helps:)