Study the pie chart and then complete the sentences

1). Electricity
Agricultural
Industrial

2). Deforestation
The burning of fossils fuels
Raising livestock

B because in hydrolysis, water is used in order to break things apart. The only reaction here that has only water breaking things apart is B. (A has acid rain which has other chemicals, C has carbonic acid, D is with just oxygen)

Answer: B. Because of a reaction with water, feldspar is changed into clay minerals.

Explanation:

Hydrolysis is defied as the chemical breakdown of a substance when it is made to react with water. The word hydro means water, and the word 'lysis' mean to break down.

Water seeps down into the ground and comes in contact with the feldspar contained in the granite and convert it into clay particles which weaken the rock.

A. Because of a reaction with acid rain, sandstone develops black surface deposits is an example of carbonation.

C. Because of a reaction with carbonic acid, limestone is dissolved is also an example of carbonation.

D. Because of a reaction with oxygen, iron changes into rust is an example of oxidation.

Answer:B)food

everything else is transported from those options except food. Hopefully this is right.

Food is not transported by the circulatory system.

The system that contains the heart and the blood vessels and moves blood throughout the body.

The circulatory system is made up of blood vessels that carry blood away from and towards the heart.

Hence ,B is correct option

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I would say it is a telescope because it is the only round object.

It’s a telescope , I chose that answer before

The mating of a zebra with a donkey is rare in the wild due to reproductive barriers such as character divergence and gametic barriers, which affect courtship, compatibility of reproductive structures, and potential genetic incompatibilities leading to issues like sterility.

It is possible for a zebra to mate with a donkey, and such mating can produce live offspring, known as a zonkey. However, this occurrence is rare in the wild due to various reproductive barriers. One such barrier that would prevent a zebra and donkey from mating in the wild is character divergence, which impacts courtship rituals, potentially leading to differences in female preferences or male behaviors that are incompatible between species.

Other prezygotic barriers include differences in reproductive anatomy or physiology, where the reproductive structures might not be compatible (for example in damselflies), or gametic barriers where the sperm and egg cells are unable to fuse successfully. Postzygotic mechanisms could also be at play, such as genetic incompatibilities that lead to offspring with reduced or no fertility, like mules, which are the sterile offspring of a female horse and a male donkey.

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Answer:

D. a target cell's response is determined by the components of its signal transduction pathways

Explanation:

Signal transduction pathway is a set of steps from the ligand binding (e.g. hormone binds to its receptor) to the cell response. The chain reaction that occurs after the ligand binding can include mechanisms such as phosphorylation, dephosphorilation, activation of messengers, degradation etc which together can make a whole huge network.

The cell response at molecular level can include change in gene expression (changes in transcription and translation), protein changes (conformational, post-translational modifications, change in location).

Different body cells can respond differently to the same peptide hormones because a target cell's response is determined by the components of its signal transduction pathways. Hence, the correct option is D.

. Although a hormone may travel throughout the body, only cells with specific receptors for that hormone can bind to it and initiate a response. This interaction then triggers a chain of events within the cell, leading to its response. Factors such as the number of receptors present (which may increase or decrease through upregulation or downregulation), the sensitivity of the receptors, and the specific signal transduction components available within the cell, all play crucial roles in determining how a cell responds to a hormone. This cellular diversity ensures that hormones can have varied effects on different types of cells, facilitating a wide range of physiological processes.

Answer:

Embryonic stem cells have a larger differentiation potential than adult stem cells

Explanation:

This is because embryonic stem cells can develop in any other type of differentiated cell type in the body (pluripotent), while adult stem cells are limited in that way (multipotent or unipotent). So, we can say that embryonic stem cells are more flexibile.

Another advantage of the embryonic stem cells is that they are more easily grown in culture.

Embryonic stem cells- derived during early development

Adult stem cells-derived from adult tissue

Option “C” is correct: Nephrons

Answer: it is nephrons on edg

Explanation: I know

Answer:

osteomalacia

Explanation:

Osteomalacia is the disease in which bones become abnormally soft, mainly due to a deficiency of calcium and phosphorus, usually related to a vitamin D deficiency, and can increase the risk of developing osteoporosis.

The disease in which the bones become abnormally soft due to a deficiency of calcium and phosphorus in the blood, necessary for bone mineralization, is known as osteomalacia. In adults, this condition is often caused by a vitamin D deficiency, leading to reduced bone mineral density and an increased risk of osteoporosis. While osteoporosis involves the bones becoming brittle, fragile, and thin, often resulting from a lack of calcium in the diet, osteomalacia specifically refers to the softening of the bones. Rickets is a similar condition that affects children and is also most commonly caused by a lack of vitamin D, but can also stem from deficiencies in phosphorous or calcium.

Only one kind of gamete(ab)

Answer:

Children and Teens: 60 Minutes per day

Adults: 75 minutes for high intensity workouts

150 Minutes for moderate

Explanation:

according to 2015-2020 dietary guidelines

Answer:false there is 3

Explanation:

The correct answer is False.

Explanation

Biomes are places on earth that are characterized by the species (fauna and flora) that inhabit there, environmental factors such as climate, temperature, rainfall pattern, among others. One of the Earth's biomes is grasslands, which, as the name implies, are areas where grass predominates. Additionally, grasslands are classified into three groups: savanna grasslands, temperate grasslands, and steppes.

The first refers to grassland areas where warm temperatures predominate, for example, the savannas of Africa or Australia. Secondly, temperate grasslands, also called prairies, are characterized by extreme temperature changes and the absence of rainfall, due to this, trees and shrubs do not survive in these. Finally, there are the steppes, areas where the vegetation is similar to that of the meadow, with the difference that the environment is drier, these are characteristic of eastern Europe and Russia. So, the correct answer is False. there are three main divisions in the grassland biome: savannas, temperate grassland and steppes.

Answer:

Copying the book would be analogous to transcription

Explanation:

The copies made from the copying process would be analogous to mRNA. Taking the copy to a workbench would be analogous to  the mRNA moving from the nucleolus to the ribosomes in the cytoplasm. The actual building of the dog house would be analogous to the ribosome assembling up the protein using amino acids. Following the instructions of the copy would be analogous to the ribosome reading the codons and bringing in the  respective amino acids.  

The two products are sugar and oxygen

Photosynthesis, a process used by plants, produces two main products, oxygen and sugars/carbohydrates such as glucose. Oxygen is generated as a waste product, while sugars represent energy-storing compounds vital for survival. This process uses sunlight, carbon dioxide, and water.

The two primary products produced by the biological process of photosynthesis are oxygen and sugar (or carbohydrates). During photosynthesis, plants use sunlight, water, and carbon dioxide to produce these products. Oxygen is generated as a waste product, while sugars or carbohydrates represent energy-storing compounds. These sugar molecules, like glucose, possess the energy that living organisms need to survive.

Here's a simplified representation of the process: 6CO2 + 6H2O + energy from sunlight = C6H12O6 + 6O2. In this equation, C6H12O6 represents glucose, a sugar, and 6O2 represents oxygen.

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The steps of a G-protein signal transduction occur in the following order: a signal molecule binds to and activates the receptor, the receptor changes conformation and binds an inactive G Protein, the G Protein is activated by the dissociation of GDP and binding of GTP, the G protein dissociates from the receptor, and finally, the G protein activates an effector protein, leading to a cellular response.

G-protein signal transduction is an important biological process that occurs in response to a specific signal molecule. The steps of this process, in the order that they occur, are:

A signal molecule binds to the receptor, activating it (c).

The receptor changes conformation and binds an inactive G Protein (e).

The G Protein is activated by the dissociation of GDP and binding of GTP (d).

The G protein dissociates from the receptor (a).

The G protein activates an effector protein, leading to a cellular response (b).

Each of these steps are integral to the signaling process and ensure that the cell responds appropriately to external signals.

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I feel like it would be b

In addition to being a component of the integumentary system, the skin contributes to excretion through the production of sweat by sweat glands in the dermis, hence option B is correct.

The excretory and urinary systems are not the same because the excretory system is a collective term for all systems performing the function of removing waste from the body, such as excess water, urea, carbon dioxide, and lactic acid.

Whereas the urinary system focuses on removing excess water and urea from the body. Nevertheless, other organs also play a part in excretion.

Water and carbon dioxide are two waste products that are expelled by the lungs as part of the respiratory system. Another excretory organ that eliminates waste from the body through sweat glands is the skin.

Therefore, the integumentary system, respiratory system, and urinary system are three organ systems that combine to form the excretory system.

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Answer: Old town Valdez, AK was originally built on unstable land. On March 27, 1964 (Good Friday), an 9.2 earthquake erupted 45 miles west of the town. The earthquake caused many landslides and loosened the already unstable soil under the city

Answer:

C. Semiconservative replication

Explanation:

Semiconservative replication is a mechanism of replication. Semiconservative model of replication states that in daughter cell, with new double-stranded DNA (cell after replication and mitosis) one strand is from the original template molecule while other is newly synthesized.

This is possible thanks to complementary pairing in DNA (each original strand of double-helix DNA is used as a template for the synthesis of the new strand).

The scenario presented in the question supports the Conservative replication model of DNA replication. In this model, the original DNA strand remains intact, and a completely new strand is synthesized. However, in the actual Meselson-Stahl experiment, they observed support for Semiconservative replication.

The observation described in the question would support the Conservative replication model of DNA replication. According to the Conservative replication model, the parental DNA strand remains intact, and an entirely new strand is synthesized. Thus, after one round of replication, you would observe one band of DNA at the 15N position (the original, 'heavy' parental molecule) and a separate band at the 14N position (the completely new molecule).

The Meselson-Stahl experiment is a classic in molecular biology, used to elucidate the mechanism by which DNA duplicates itself. The result described isn't what they observed, though, rather they saw a single band intermediate between 15N and 14N after the first replication, supporting the idea of Semiconservative replication: each new DNA molecule consists of one old strand and one new strand.

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d is the answer i think

Answer:

D

Explanation:

mutation would not be met because traits are hertable and they do increase fitness depending on which trait you have but they are also functional and they do on mutate they are pass on

Answer:

If you study ecology then you are studying plants

Ecology is the study of life.

The cerebrum is the largest part of the brain and controls conscious functions such as reasoning, language, sight, touch, and hearing. It is divided into two hemispheres, each with four lobes. The cerebral cortex is responsible for many higher mental functions and specific regions within it have different functions.

The cerebrum is the largest part of the brain and controls conscious functions such as reasoning, language, sight, touch, and hearing. It is divided into two hemispheres, or halves, with each hemisphere having four lobes: frontal, parietal, temporal, and occipital. The cerebral cortex, the thin outer layer of gray matter, is responsible for many higher mental functions, including memory, learning, and conscious perception.

Within the cerebral cortex, specific regions are responsible for different functions. For example, language functions are often localized to the left hemisphere in 95% of the population. Additionally, the left hemisphere is connected to the right side of the body, controlling motor functions on the opposite side and receiving sensory information from the opposite side as well.

Keywords: cerebrum, cerebral cortex, hemispheres, lobes, language functions, motor functions, sensory information

Answer:

E) Elephants help other populations survive by repelling many large African predators

Explanation:

Elephants are large mammals. Elephants in Africa have a height of 4 meters and weigh up to 7 tons.

The role of elephants in the ecosystem is very important especially its impact both directly and indirectly on the environment. With a large size and height, other predatory animals such as lions, tigers, coyotes, hyenas do not want to get close to elephants. Elephants are animals that prefer to group. While still breastfeeding will be very protected by the mother for up to 3 years. Elephants have an average age of up to 70 years. Perhaps very few elephants have fallen prey to predators. Thus elephants are animals that indirectly protect other animals in Africa. Things like this also indirectly make grasslands become more fertile and other animal species also become more numerous.

So the most appropriate answer is E. E) Elephants help other populations survive by repelling many large African predators

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Class : Senior High

Subject : Biology

Keywords

- Elephants

- Ecosystem

Elephants are not the most dominant species in African grasslands, yet they influence community structure. The grasslands contain scattered woody plants, but they are kept in check by the uprooting activities of the elephants. Take away the elephants, and the grasslands convert to forests or to shrublands. The newly growing forests support fewer species than the previous grasslands. Which of the following describes why elephants are the keystone species in this scenario?

A) Essentially all of the other species depend on the presence of the elephants to maintain the community.

Shrubland is a plant community characterized by vegetation dominated by shrubs. According to this scenario, elephants are the keystone species because they have great affect on their ecosystem, and without them, the ecosystem would change or suffer

Which of the following describes why elephants are the keystone species in this scenario?

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Answer:

The answer would be A.

Explanation:

I. In a process called transpiration, some liquid water in leaves changes to water vapor. The water vapor is released into the air through tiny pores in the leaves. This allows more liquid water from the soil to be pulled up the roots and stem to replace water lost from the leaves.   So A would the correct answer.  I also got it right in my quiz

During photosynthesis, within the plant cell, the water is oxidized as it loses electrons. This transforms the water into oxygen.

During transpiration in plants, the water eventually released to the atmosphere as vapor via the stomata present in leaves.

It is the process of water loss in plants through evaporation from the stomata of plants.

During transpiration, the water near the surface of the leaves changes into vapor and evaporates when stomata are open.

Transpiration provide the water needed to plants for photosynthesis.

During photosynthesis below reaction takes place, where carbon dioxide and water under the sunlight converted into glucose and oxygen.

6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂

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Answer:

convenience in using the numbers.

Explanation:

Very small numbers have too many digits, similar to large numbers.

This numbers can take too much space and therefore cause inconvenience during recording or calculation.

To avoid this inconvenience, scientists use scientific notations in representation of this numbers.

Some examples of the notations are:

Answer:

Explanation:

Scientists use scientific notation to represent very small or very large numbers because this notation increases the  

accuracy of measured quantities.

convenience in using the numbers.

number of significant figures.

precision of measurements.

Answer:

The chain moves from the 5' - 3' direction caused by the use of GTP and several protein-enzyme complexes. As the polypeptide chain is produced the t-RNA move from site A to site P, and then are released into the cytoplasm. The polypeptide chain continues to grow, and is held to the ribosome by the t-RNA at the P site.

Explanation:

The ribosome moves down one codon during the translation process in protein synthesis through translocation, which is powered by GTP hydrolysis and the action of EF-G. This step is crucial for the ribosome to read mRNA and synthesize proteins accordingly.

What stimulates the ribosome to move down one codon is a process called translocation, which is an essential part of the translation phase of protein synthesis. During translocation, the ribosome moves along the mRNA molecule towards the 3' end by a distance of one codon (three nucleotide bases). This movement is facilitated by the hydrolysis of Guanosine triphosphate (GTP) and requires the action of elongation factor-G (EF-G), also known as translocase. As a result of this, the tRNA that was in the A site moves to the P site, carrying the growing polypeptide chain, and the deacylated tRNA in the P site moves to the E site and is then released into the cytosol.

At the end of the translation process, when a stop codon is reached, release factors will bind, causing the polypeptide to be released and the ribosomal subunits to disassociate. The ribosome can then be reassembled for another round of protein synthesis.

Answer:

C

Explanation:

According to the cladogram for the six-kingdom system;

B) the Archaebacteria gave rise to the eukaryotes.

All of the six kingdoms have common ancestors. First divergence gave rise to the Eubacteria and Archaebacteria. The other major branching gave rise to the ancestors of the four eukaryotic kingdoms.

New six-kingdom classification of organisms was recently devised by scientist, and according to the cladogram for the six-kingdom system, the Archaebacteria gave rise to the eukaryotes, that are in option B among all other options.

The six-kingdom classification is a system of organizing and classifying living organisms into six distinct groups such as mentioned here :archaea, bacteria, protista, fungi, plantae and animalia and each of them have unique characteristics. Bacteria are also known as eubacteria that are single-celled microorganisms that are found in most of the place, and others such as protista are eukaryotes and unicellular etc.

Hence,  the correct answer here is that in six-kingdom classification, the archaebacteria gave rise to the eukaryotes that are in option B among all other options..

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Answer:

Toxycology

Explanation:

Toxycology includes:

Factors that determine the toxicity of a chemical for an organism are dosage, age, environment, species...

Answer:

(a) bat wing and human hand.

Explanation:

Homologous structures are structures with the same embryonic origin  but are modified to perform different functions.

Both the bat wing and the human hand are pentadactyl (five digit) limb structure though they perform different functions.Their bat wing and human hand limb contain of three parts;the humerus ,the radius and ulna,a hand  made up of carpals ,metacarpals and phalanges.

This clearly indicates that they  share a common ancestry but due to  divergent evolution they are modified to perform different functions hence referred to homologous structures.

Answer:

Your answer would be (A). Hope this helps! <33

Answer:

The best answer choice for the question: What characteristics do non-perching birds have in common with tropical birds and owls, would be, A: Hooked beaks.

Explanation:

According to research done, this is probably one of the only commonalities between birds from tropical regions, like parrots, or cockatoos, and non-perching birds like the birds of prey, both diurnal and nocturnal, which are the  eagles, owls, hawks, and others. In all of them, what can be found in common is that they tend to have beaks that are shaped hooklike, and are very strong, giving them the capacity to catch strong prey and be efficient hunters.

Answer:

The genotype would be bb and the phenotype would be purple.

Explanation:

It wouldn't be red or blue because those genotypes are homozygous. Which means everything s the same. One purple wildcat offspring would have a purple father and mother. But since a blue and red wildcat are mating that makes the genotype heterozygous. Which would be purple.

Incomplete dominance occurs when both the alleles of the genes at a specific locus are characterized partly.

This type of dominance occurs when neither of the alleles is entirely recessive nor dominant.

The allele for the blue trait is purebred dominant (BB)

The allele for the red colour trait is purebred recessive (bb)

The allele for the purple colour is heterozygous (Bb)

The genotypes and phenotype of the offspring of a blue wildcat crossed with a red cat can be determined with the help of Punnett square. The image of Punnett square is attached below.

Therefore, the genotype of the offspring will be Bb.

The phenotype of the wild cat will be Purple.

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