Iceland is known for its many glaciers and river systems. An estuary in Iceland was formed when a glacier cut through the land and receded when it reached the sea. What is such an estuary called?

Answer:

The genotypes are not in equilibrium H-W. The population is evolving.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

Answer:

Habitat

Explanation:

Answer:

Where you reside, your home, your property, etc

Answer:The weak bond between two hydrogen atoms, which is commonly found between water molecules and nucleotides in DNA, is called a hydrogen bond.

Explanation:

Answer: Hydrogen Bond

Explanation:

Answer:

Ethanol fermentation causes bread dough to rise. Yeast organisms consume sugars in the dough and produce ethanol and carbon dioxide as waste products. The carbon dioxide forms bubbles in the dough, expanding it to a foam.

Answer:

Ethanol and carbon dioxide

Explanation:

Answer: sound wave.

Explanation:

Answer:

They usually can be identified as carbohydrates by the ending -ose at the end of their names.

Explanation:

Answer:

they end with the three letters -ose

Explanation:

examples: lactose, fructose, glucose

The population's gene pool, the frequency of the B allele is 0.7 (or 70%) and the frequency of the b allele is 0.3 (or 30%).

To calculate the frequencies of the two alleles (B and b) in the population's gene pool, we can use the allele frequency formula. The allele frequency is the proportion of a specific allele within a population.

Given the genotypes BB = 30, Bb = 10, and bb = 10, we can determine the number of alleles in the population as follows:

Number of B alleles = 2 * (number of BB genotypes) + (number of Bb genotypes)

= 2 * 30 + 10

= 60 + 10

= 70

Number of b alleles = 2 * (number of bb genotypes) + (number of Bb genotypes)

= 2 * 10 + 10

= 20 + 10

= 30

Next, we can calculate the frequencies of the two alleles:

Frequency of B allele = (Number of B alleles) / (Total number of alleles)

= 70 / (70 + 30)

= 70 / 100

= 0.7

Frequency of b allele = (Number of b alleles) / (Total number of alleles)

= 30 / (70 + 30)

= 30 / 100

= 0.3

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If Broca's area is damaged, then this can lead to non-fluent aphasia, which is characterized by difficulty speaking, option B is correct.

Broca's area is a region in the frontal lobe of the brain that plays a critical role in speech production. When this area is damaged, a person may struggle to form words and sentences, leading to non-fluent aphasia. Non-fluent aphasia is also known as Broca's aphasia, expressive aphasia, or motor aphasia.

Individuals with Broca's aphasia may understand language well but have difficulty expressing themselves through speech or writing. They may speak in short, choppy phrases or use a limited vocabulary. They may also struggle with grammatical structure and word order. In some cases, they may experience difficulty with reading and writing as well, option B is correct.

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The correct question is:

If ______________ area is damaged, then this can lead to ____________ aphasia, which is characterized by difficulty speaking.

A) Broca's; fluent

B) Broca's; non-fluent

C) Wernicke's; non-fluent

D) Wernicke's; fluent

Answer:

Your answer would be C

Explanation:

If a person done a physical activity then it's need more blood circulation then pulse rate increases.

Pulse rate or heart rate is the speed of heart beat measured number of contraction of the heart per minute. The heart rate can vary according to physical needs of human beings. If a person done a physical activity then it's need more blood circulation then pulse rate increases.

The normal pulse rate or heart rate is 60-100 bpm, but when a person is sleeping their pulse rate became 40-60 bpm.The heart rate can vary according to physical needs of human beings. If a person done a physical activity then it's need more blood circulation then pulse rate increases.

Pulse rate also depends upon needs of oxygen i.e body need oxygen and extract carbon dioxide but it's also depend upon various  factor like age, physical fitness, diet and environment.

Therefore,the heart rate can vary according to physical needs of human beings. If a person done a physical activity then it's need more blood circulation then pulse rate increases.

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Answer:

4. Shows each line represented as a pair of shared electrons but is not truly three-dimensional: Structural

5. Shows three dimensions but no interior bonds: Space Filling

6. Is used in kits and shows a general shape: Ball and Stick

Explanation:

Answer:

structural

space filling

ball and stick

Explanation:

edge 2022

Answer:

There is no diagram in this question, however, the question can be answered based on general understanding.

Light energy is converted to chemical energy by PLANTS (GRASS) i.e from the sun to grass

Explanation:

This question is trying to depict a food web or chain of organisms feeding on one another in order to obtain energy. However, in this process, only one organisms amongst the list of organisms is capable of converting LIGHT energy to CHEMICAL ENERGY.

This organism is called a PRODUCER and it is the GRASS (plant). Green plants like the grass in this question are autotrophs i.e. are capable of producing their own food via the process of PHOTOSYNTHESIS. In this process of photosynthesis, plants capture light energy from the sun and convert it to chemical energy stored in sugars.

Structure D , The term "contractile vacuole" refers to this structure. The vacuole gathers extra water from the cytoplasm and contracts to release it. As a result, paramecium doesn't swell and explode in hypotonic liquids.

Specialized contractile vacuoles control the amount of water in cells. Its spherical form allows it to gather extra cell fluid and empty it outside. It is essential for preserving the osmotic pressure inside the cell. Protists are eukaryotes with only one cell and are found in wet and aqueous habitats.

As its name implies, the contractile vacuole expels water from the cell by contracting. The contractile vacuole periodically expands (collecting water) and contracts (releasing water). Several seconds are required for one cycle, depending on the species .

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Answer:

1. Caucasoids

2.Negroids

3.Mongoloids

Explanation:

They are the various division of human kind.

Answer:

Caucasoid, Negroid, and Mongoloid.

Explanation:

Using gene frequency data for 62 protein loci and 23 blood group loci, we studied the genetic relationship of the three major races of man, Caucasoid, Negroid, and Mongoloid.

Answer:

covalent bond

Explanation:

The Covalent bond is responsible for the existence of the sugar-phosphate backbone of DNA. Thus, the correct option is A.

DNA stands for Deoxyribonucleic acid. It may be defined as a molecule that is present in the cells of an organism that carries genetic information responsible for the development and function of an organism.

The existence of the sugar-phosphate backbone of DNA is accomplished with the help of phosphodiester bonds that are classified under covalent bonds.

Therefore, the correct option for this question is A.

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Answer: B. Primary structure

The primary structure of a protein is the specific order of amino acids that makes it up, but it needs to undergo much more modification before  it is a finished protein.

Answer:

Cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, such as a bacterium or yeast

hope it's help

Answer:

A cell is defined as the smallest, basic unit of life that is responsible for all of life's processes.

Explanation:

Answer:

Chemical energy.

Explanation:

Chemical energy is stored in a fossil fuel and released in the form of kinetic energy when burned  

Hope this helps!

The diagram shows a transform fault and it is a likely result of slippage along this fault? is A. Seismic waves

A likely result of slippage along a transform fault is seismic waves (option A). A transform fault is a type of tectonic plate boundary where two plates slide past each other horizontally. As the plates move, stress builds up along the fault line, and when it exceeds the strength of the rocks, slippage occurs, releasing accumulated energy.

During the slippage, the rocks on either side of the fault quickly move relative to each other. This rapid movement generates seismic waves, which are vibrations that propagate through the Earth's crust. These seismic waves travel outward from the fault in all directions, causing ground shaking and vibrations.

Seismic waves are responsible for earthquakes, and their intensity and magnitude can vary depending on factors such as the amount of slippage, the depth of the fault, and the strength of the rocks involved. The seismic waves can result in ground shaking and can potentially cause damage to buildings, infrastructure, and human lives, depending on their magnitude and proximity to populated areas. Therefore, seismic waves are a likely result of slippage along a transform fault. Therefore, Option A is correct.

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The sense of smell in tigers is highly developed and serves as a critical tool for survival. It helps them locate prey, establish territories, detect potential threats, and identify reproductive opportunities. The acute sense of smell in tigers enhances their hunting efficiency and contributes to their overall adaptation as top predators in their habitats

The sense of smell in tigers is particularly strong and plays a crucial role in their survival. Tigers have a highly developed olfactory system, equipped with specialized receptors in their nasal cavity that allow them to detect and discriminate various odors in their environment.

The sense of smell is essential for tigers when it comes to finding food. Tigers are carnivores and rely on hunting to sustain themselves. Their acute sense of smell helps them locate potential prey, even from a distance. Tigers can detect the scent of other animals, such as deer or wild boar, which enables them to track and stalk their prey effectively.

The olfactory system of tigers allows them to detect not only the presence of potential prey but also to gather information about the prey's location, health, and even reproductive status. They can identify the scent markings left by other tigers, which help them establish and defend their territories. Additionally, tigers can use their sense of smell to detect the presence of rival tigers or potential threats in their surroundings.

The ability to smell plays a vital role in a tiger's hunting strategy. Tigers often rely on ambushing their prey, and a keen sense of smell allows them to analyze the scent trails left by potential prey, determining their direction and estimating the distance to their target. This helps tigers plan their approach and execute precise and efficient hunting strategies, increasing their chances of a successful kill.

Moreover, a tiger's sense of smell is not only limited to locating prey but also plays a role in identifying potential mates. During the breeding season, female tigers release pheromones that indicate their receptiveness to mating. Male tigers can detect these scents and use them to locate and court females.

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Answer:

Glycolysis

Explanation:

The acceleration of the car is 2 m/s².

The average velocity of the car is 2 m/s.

The equation acceleration = (final velocity - beginning velocity) / time can be used.

Given:

Initial velocity (u) = 0 m/s (since the car starts from rest)

Final velocity (v) = 20 m/s

Time (t) = 10 s

Using the formula, we can substitute the values:

acceleration = (20 m/s - 0 m/s) / 10 s

acceleration = 20 m/s / 10 s

acceleration = 2 m/s²

Therefore, the acceleration of the car is 2 m/s².

You can use the following equation to determine the average velocity: average velocity = total displacement / total time.

The initial position and the final position are identical since the automobile begins at rest. As a result, the displacement and the ultimate position are equal.

Given:

Displacement = 20 m

Time (t) = 10 s

Using the formula, we can substitute the values:

average velocity = 20 m / 10 s

average velocity = 2 m/s

Therefore, the average velocity of the car is 2 m/s.

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A marine biologist took a sample from a hot spring. The cell has no nucleus and looks different from bacteria found in water is called archaea.

Microbicidal archaea that are characterized as morphologically similar, but have different characteristics that were procaryated in a distinct group: the Archaea.

In this case, is Archeas because the cell has no nucleus and looks different from bacteria found in water.

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It is believed that hyper sanitation may lead to allergy epidemic : True.

There is a hypothesis known as the hygiene hypothesis, which suggests that increased cleanliness and reduced exposure to certain microbes and parasites in childhood can cause overactive immune system and increased risk of developing allergies and autoimmune diseases later in life.

While the exact mechanisms are still being studied, some researchers believe that excessive use of antibiotics and disinfectants and lack of exposure to microbes and parasites, may be contributing factors to the rise in allergies and autoimmune diseases in the recent decades. It is important to note that this is still a developing area of research and more studies are needed to fully understand relationship between hygiene and allergies.

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Light waves interact with wood by absorption and reflection because wood is opaque to visible light.

It is impossible to see through the wood, some substances are transparent to some light wavelengths but opaque to others.

Depending on the nature of the element a light wave can be transmitted, reflected, absorbed, refracted, polarized, diffracted, or dispersed when it comes into contact with a surface.

Therefore absorption and reflection describe light waves' interaction with wood.

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Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.

The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.

The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.

When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.

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Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.

The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.

Assuming a diallelic gene,

Allelic frequencies

Genotypic frequencies

The addition of the allelic frequencies equals 1

p + q = 1.

The sum of genotypic frequencies equals 1

p² + 2pq + q² = 1

In the exposed example,

Alleles          Frequencies

Genotypes

We need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate  genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).

Genotypic and Phenotypic frequencies

F(S^AS^A) = p² = 0.6² = 0.36

F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48

F(S^BS^B) = q² = 0.4² = 0.16

Number of individuals expressing each phenotype

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Complete question

A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes

In a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.

Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working

Answer:

the model was against religious beliefs.

The portion of a Z-line that is between two nearby neighbors is known as a sarcomere (or Z-discs). The Z-line (derived from the German word "zwischen," which means between), which anchors the actin myofilaments, can be seen in between the I-bands in electron micrographs of cross-striated muscle.

The I-band region is located around the Z-line (for isotropic). The I-band is the region of thin filaments where thick filaments are not overlaid (myosin).

The I-band is followed by the A-band (for anisotropic). named after the characteristics they exhibit under polarized light. The full length of a single thick filament is contained within an A-band. There are both thick and thin filaments in the anisotropic band.

The H-zone is a paler area located within the A-band (from the German "heller", brighter). Known as a result of their lighter look under polarization imaging technology. The region of the thick filaments that lacks actin is known as the H-band.

A narrow M-line, which is derived from the German word "mittel," or "middle," emerges in the middle of the sarcomere, which is made up of cytoskeleton cross-links, within the H-zone.

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