Pls help ASAP I really need help

Answer:

A. To decrease the number of words that are needed to describe the data

Explanation:

I would say it is this one because usually data tables help keep large amount of work into one small simple table.

Answer:

I say it's letter D.

Explanation:

When you put information into a table, it is then easier to read and look for mistakes.

Answer:

Polygenetic trait

Explanation:

Traits that display a continuous distribution, such as height or skin color, are polygenic.

The type of Polygenetic trait does have the reflection of the family's eye colors when the different eyes are there.

It defines the trait where it is to be controlled by the various non-allelic genes.

These types of genes we called as the polygenes. It is the group of genes at the time they turned on it should be expressed as the unit.

Also, it represent the continuous distribution like the height, color of skin. etc.

Hence, The type of Polygenetic trait does have the reflection of the family's eye colors when the different eyes are there.

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Both RTK (Receptor Tyrosine Kinase) activation and GPCR (G-protein coupled receptor) activation can lead to downstream activation of GBPs, kinases, and transcription factors.

RTK activation and GPCR activation are two distinct signalling pathways involved in cellular communication. They can converge on common downstream signalling molecules. One such molecule is GBPs (GTP-binding proteins) which can be activated by both RTK and GPCR signaling. GBPs play a crucial role in transmitting signals and regulating various cellular processes.

Additionally, both RTK and GPCR activation can result in the activation of kinases. Kinases are enzymes that catalyze the transfer of phosphate groups to other proteins, thereby regulating their activity. The activation of kinases can trigger a cascade of signalling events leading to diverse cellular responses.

Moreover, both RTK and GPCR activation can ultimately lead to the activation of transcription factors. Transcription factors are proteins that bind to specific DNA sequences and regulate gene expression. They play a vital role in controlling the synthesis of proteins and influencing cellular functions.

On the other hand, Notch activation and Wnt activation are independent signalling pathways that are not directly associated with either RTK or GPCR signalling. Notch signalling is a highly conserved pathway involved in cell fate determination and development, while Wnt signalling regulates various processes during embryonic development and adult tissue homeostasis. Although they have critical roles in cellular signalling, they do not lie downstream of RTK or GPCR activation.

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Answer:

polarity is the answer.

plz mark me as brainliest.

Answer:

True. It is right because they are carnivores animals.

Answer:

B

Explanation:

Answer:

c. a mutation.

Explanation of why the others are incorrect:

a. Fertilization: Fertilization refers to the fusion of sperm and egg during sexual reproduction to form a zygote, which then undergoes cell division and development. Down syndrome is not caused by a fertilization process, but rather by a genetic abnormality involving an extra copy of chromosome 21.

b. Substitution: Substitution refers to a type of genetic mutation where one nucleotide base in the DNA sequence is replaced by another. Down syndrome is not caused by a substitution mutation, but rather by a trisomy, which is an extra copy of chromosome 21.

d. Differentiation: Differentiation refers to the process by which cells become specialized and acquire specific functions during development. Down syndrome is not related to the process of cellular differentiation, but rather to a genetic abnormality involving an extra copy of chromosome 21, which alters development and results in Down syndrome.

Answer:

It equals the number of protons and electrons.

Explanation:

The cell theory, which states that all living organisms are made up of one or more cells and that the cell is the basic unit of life, has many ethical advantages.

Firstly, it allows for a better understanding of the intricacies of living organisms and their functions, leading to advancements in the fields of medicine and biotechnology. This, in turn, allows for the development of new treatments and therapies for diseases, improving the quality of life for individuals.

Additionally, the cell theory helps in the advancement of agricultural technology, leading to more efficient and sustainable food production. Furthermore, understanding the fundamental principles of cell biology has important implications for conservation and biodiversity, as it allows for a deeper understanding of the relationships between different species and their roles in ecosystems.

Overall, the cell theory has many ethical advantages, as it leads to advancements in medicine, agriculture, and conservation, which ultimately benefit both individuals and society as a whole.

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Slide preparation is a process that should be done using the right reagents for the right type of organisms. By using methylene blue stains, preparing a wet mount, or noticing subtle differences between different cells, slide preparation is a process.

Methylene blue is used to impart color to the cells placed on a slide. Stains such as methylene blue are attracted to negatively charged particles like the nucleus of an animal cell. Thus, this creates a contrast between the cell and its background.

A wet-mount preparation is more useful than dry-mount preparation because it helps light pass through it increasing the translucent property. It also helps in staining the specimen better.

If an unknown organism is given as a specimen to view under the microscope. Identifying structures that are exclusive for an animal cell or a plant cell can be used to identify the same. Structures such as cell walls, stomata, and chloroplasts are present only in plant cells.

Epithelial cells are cells that are present on the outer and inner surfaces of our body. Skin and blood vessels contain epithelial cells.

Stomata are essential openings in a leaf that are flaccid or turgid based on external and internal factors. Their main function is to facilitate gas exchange.

In a drop of blood of a healthy human, there should be about four to six million erythrocytes per 1 \(mm^{3}\).

The main function of a red blood cell or RBC is to exchange gases. The disc shape of a small size helps provide it with the necessary surface area for the exchange of gases. That is why the structure of the red blood cell is an example of a "structure-fitting function".

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The timing of a fracture in a long bone, such as the femur or tibia, involves several stages in the healing process. Initially, when the bone breaks, a hematoma forms around the fracture site within a few hours to days. This blood clot helps stabilize the bone and provides a scaffold for new bone growth.

Next, during the inflammatory phase, immune cells and growth factors are recruited to the injury site. This stage typically lasts for a few days and is crucial for initiating the healing process. Following inflammation, the soft callus formation stage occurs, lasting for approximately 2-3 weeks. In this phase, fibroblasts and chondrocytes create a soft, cartilaginous matrix that connects the fractured bone ends.

The hard callus formation stage comes after, where osteoblasts replace the soft callus with a hard, bony callus over a period of 4-8 weeks. The final stage is the remodeling phase, which can take several months to years. In this stage, the hard callus is gradually reshaped, and the bone returns to its original structure and strength.

In summary, the timing of a fracture to the end of a long bone consists of hematoma formation, inflammation, soft callus formation, hard callus formation, and remodeling, with the overall healing process taking several months to years, depending on factors such as age, health, and the severity of the fracture.

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The volume of Arwan’s piece of quartz is 303.42 cm³

Volume is described as a measure of occupied three-dimensional space or the amount of space that a substance or object occupies, or that is enclosed within a container.

Mass of the Quartz piece brought by Arwan = 788.9 g

Density of the quartz = 2.6g/ cm³

Density of the substance is described as mass present in per unit volume of the substance. It is measured in gram per centimeter cube.

Density = mass/volume

2.6 = 788.9/ volume

volume =  303.42  cm³ .

Density is denoted as mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume.

Density has the units of measurement in mass divided by volume such as grams per centimeters cube (g/cm3) or kilograms per liter (kg/l)

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The complete question is:

Arwan finds a piece of quartz while hiking in the mountains. When he returns to school, he takes it to his science teacher. She helps him determine the mass to be 788.9 g. She also tells Arwan that the density of quartz is 2.6 . What is the volume of Arwan’s piece of quartz?

Answer:

I'm pretty sure it's nuclear energy.

Answer:

the answer is the last one hope it helps

The spelling

Explanation:

Similarities are they can still produce flowers or fruits and differences are old plants may be weak and shorter life span...

Explanation:

high temperature and low rainfall this leads to the need for adaptation to conserve water and tolerate extreme heat one of the main environmental pressures for cacti is water

Answer:

A. Rocks along a fault break and move.

Explanation:

Hope it helps.

Answer:

C) no sediment is deposited over a long time

Explanation:

edge

Three RuBP (ribulose-1,5-bisphosphate) molecules are used in one turn of the Calvin cycle. (option c). The Calvin cycle is a set of biochemical reactions that occur in the stroma of chloroplasts in photosynthetic organisms.

The cycle involves the fixation of carbon dioxide and the production of carbohydrates using the energy of ATP and NADPH produced in light-dependent reactions. The first step of the Calvin cycle involves the reaction of three molecules of CO2 with three molecules of RuBP, catalyzed by the enzyme Rubisco.

This results in the formation of six molecules of 3-phosphoglycerate, which are then converted into glyceraldehyde-3-phosphate (G3P) through a series of biochemical reactions. The G3P molecules can then be used to produce glucose or other carbohydrates.

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Answer:

the small intestine

Explanation:

Answer: Replacing fossil fuels with biofuels has the potential to reduce some undesirable aspects of fossil fuel production and use.

Explain:

Fuels produced from renewable organic material possibly have the potential to reduce some undesirable aspects of fossil fuel production and use, including conventional and greenhouse gas (GHG) pollutant emissions, exhaustible resource depletion, and dependence on unstable foreign suppliers also. -i hope this helped :)

Answer:

B: Spirilla

Explanation:

The answer is Spirilla

The reaction norm is the range of possible phenotypic expressions of a given genotype in different environments. For traits with genetic variation but no phenotypic plasticity, the reaction norm will be a straight line from one point to another, which represents the range of phenotypes that can be observed in different environments.

For example, let's say we have a population of plants with genetic variation in height, but no phenotypic plasticity. In this case, the reaction norm would be a straight line from the minimum possible height to the maximum possible height for that population. This means that the range of heights that can be observed in different environments is determined solely by genetic variation and not influenced by the environment.

Furthermore, the reaction norm for traits with genetic variation but no phenotypic plasticity will be the same for all genotypes because there is no interaction between genes and the environment. Therefore, the reaction norm will not change depending on the genotype of the individual.

In summary, for a trait with genetic variation but no phenotypic plasticity, the reaction norm will be a straight line representing the range of phenotypic expression that can be observed in different environments. The reaction norm will be the same for all genotypes because there is no interaction between genes and the environment.

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Answer:

A

Explanation:

If a shopping mall does open it can impact the envirornment because it builds roads, uses gases, and chops down trees.

Trees- Animals need trees to grow there offspring.

Roads- Destroy dirt and add harmful chemicals

Gases- Pollute the air.

Answer:

A

Explanation:

D is also correct because it will release a handful of chemicals and gasses and fuels. But I don't think they care so A is your answer. SCientifically speaking it will accelarate global warming by a minute or second. CHOSE A

Answer:

The idea of natural selection is that traits that can be passed down allow organisms to adapt to the environment better than other organisms of the same species.

Answer:

Answer. Mutualism: One example of symbiotic mutualism in the tundra biome involves lichens. Lichen does look like moss but actually represents a symbiotic relationship between fungi and algae or algae. The fungus "eats" the sugar in the algae for photosynthesis and the algae receives protection from the fungus.

Answer:

The process is called endocytosis.

Answer:

A solar eclipse occurs when moon, sun and earth aligned and such alignment coincides at a new moon. In this alignment moon is in the between sun and earth which causes shadow over the earth.

A partial solar eclipse occur when moon, sun and earth is not exactly aligned.

Explanation:

A solar eclipse occurs when moon, sun and earth aligned and such alignment coincides at a new moon. In this alignment moon is in the between sun and earth which causes shadow over the earth.

A partial solar eclipse occur when moon, sun and earth is not exactly aligned.

Because earth is round some parts of the world can observe complete solar eclipse while some parts of the world can observe partial solar eclipse and some parts of the world simply does not observe any solar eclipse because they are having a night during that time.

The stripes in the skeletal muscles are due to . actin and myosin filaments. The correct answer is B

The stripes, also known as striations, in skeletal muscle are due to the arrangement of the actin and myosin filaments within the muscle fibers.

These filaments are organized in a specific pattern, which creates the characteristic banding pattern seen in skeletal muscle under a microscope.

Multiple nuclei per cell, is a feature of skeletal muscle cells, but it is not responsible for the stripes seen in the muscle.

Options C and D are features of cardiac muscle and not skeletal muscle.

Tendons connecting the muscle to bone, is not responsible for the stripes seen in skeletal muscle, although it is important for transmitting the force generated by the muscle to the bone.

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Answer:

Intrusive

Explanation:

Correct on Edge 2020

5 stars?

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Answer:

Intrusive

Explanation:

becasue it is not on the earths surface

Answer:

Chemical energy is stored in the bonds between atoms within a molecule. Specifically, the potential energy of the electrons in the chemical bonds represents the chemical energy of the molecule.

When a chemical reaction occurs, the bonds between atoms in the reactant molecules are broken, and new bonds are formed to create products. This rearrangement of atoms results in the release or absorption of energy, depending on whether the reaction is exothermic or endothermic.

In an exothermic reaction, energy is released from the molecule as the bonds are broken and reformed. This energy can take many forms, including heat, light, or sound. For example, the combustion of gasoline in a car engine is an exothermic reaction that releases energy in the form of heat and kinetic energy, which powers the car.

In contrast, in an endothermic reaction, energy is absorbed by the molecule as the bonds are broken and reformed. This energy typically comes from the surroundings, such as heat or light. An example of an endothermic reaction is photosynthesis, in which energy from sunlight is absorbed by chlorophyll molecules to convert carbon dioxide and water into glucose and oxygen.