the renal plexus innervating the kidney follows the branching of the renal vein.

10. A. endocytosis

its the way white blood cells in your body fights germs

11. A. reproduction

12. B. homeostasis

its the way your body has the same temperature in winter and summer

Answer: B

Explanation: Got it right on Ed

The exact cause of ADHD is not well known, however, some of the factors, which can lead to the condition. These are as Genetic factors, as ADHD seems to run in families.  

Chemical imbalance taking place in the brain, Infections, poor nutrition, smoking, substance abuse at the time of pregnancy, and drinking.The toxins like lead can influence the development of the brain of a child.  

A brain disorder or brain injury, that is, destruction to the frontal part of the brain can result in the issues associated with ADHD. a drug that can be used to treat attention deficit hyperactivity disorder (adhd).

Therefore, The exact cause of ADHD is not well known, however, some of the factors, which can lead to the condition. These are as Genetic factors, as ADHD seems to run in families.  

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Sex-linked traits are genes carried on the sex chromosomes, the X and the Y chromosome. Only males carry the Y chromosome, and therefore all genes on the Y chromosome are passed down to the son. Women carry two X chromosomes; therefore, sex-linked traits can be passed on from both the mother and the father.

Examples of sex-linked traits include red-green colour blindness and haemophilia.

In codominance, both alleles are expressed in the phenotype of heterozygous offspring. The human ABO blood group is an example of codominance.

There are three alleles for the ABO gene: IA, IB, and I (i is recessive to both IA and IB). If an individual is heterozygous for both the IA and IB alleles, they will express both A and B antigens on their red blood cells. If they are homozygous for either IA or IB, they will express only one antigen on their red blood cells.

Incomplete dominance occurs when neither allele is dominant nor recessive, but instead, the phenotype is a blend of both. An example of incomplete dominance is the snapdragon flower, which has a red flower and a white flower. When the red flower is crossed with the white flower, the resulting offspring have pink flowers, which is a blend of red and white. The genotype for pink flowers is Rr, where R represents the red allele, and r represents the white allele.

When two pink flowers are crossed, their offspring will have a ratio of 1:2:1 of red, pink, and white flowers.

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Answer:

Evolved first

Explanation:

Prokaryotic cells Evolved to other forms of organelles (mitochondrial and chloroplast)in the eukaryotic cells

And with regards to the other options available can not only be with respect to Prokaryotic cells because other cell possess plasma membrane, ribosomes and DNA as well

Answer:

c) Evolved first

Explanation:

Eukaryotic cells started to form after the evolution of prokaryotes.

So, the characteristic of prokaryotic cells is that they evolved first. Hence, the option (c) is the correct answer.

Answer:

A) cellular respiration

Explanation:

(glucose) C6H12O6 and (oxygen) O2 is turned into CO2 (carbon dioxide)

the outside coating of a cell to protect it from outside danger.

The frequency of the A allele is approximately 0.634.

The frequency of an allele is determined by the number of copies of that allele divided by the total number of alleles in the population. In this case, we can calculate the frequency of the A allele by summing the number of copies of the A allele (2 for each individual with genotype AA and 1 for each individual with genotype Aa) and dividing it by the total number of alleles (2 for each individual in the population).

The number of copies of the A allele can be calculated as follows:

Number of copies of A allele = (2 * number of individuals with genotype AA) + (1 * number of individuals with genotype Aa)

= (2 * 199) + (1 * 68)

= 398 + 68

= 466

The total number of alleles in the population can be calculated as follows:

Total number of alleles = (2 * number of individuals with genotype AA) + (2 * number of individuals with genotype Aa) + (2 * number of individuals with genotype aa)

= (2 * 199) + (2 * 68) + (2 * 133)

= 398 + 136 + 266

= 800

Therefore, the frequency of the A allele is:

Frequency of A allele = Number of copies of A allele / Total number of alleles

= 466 / 800

≈ 0.583

Rounded to three decimal places, the frequency of the A allele is 0.634.

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Answer:

Mechanisms are activated where it is sought to lower the amount of free protons in the blood, that is, to reduce acidity, these mechanisms work between two large systems, the receptor system, the respiratory system and the renal system.

Explanation:

When a metabolic acidosis is entered, either by a food, or by a disease or even an intense physical activity, the lungs seek to generate hyperventilation, to increase the concentrations of oxygen in plasma and absolutely decrease the carbon dioxide concentration, thus not the blood becomes even more acidic.

On the other hand, the digestive system together with the sensory system, will warn this proprioception of the acidity of the plasma and will promote the dilution of these acids with a solvent, which is water, promoting the sensation of thirst.

Finally, the kidneys will seek to retain all the alkaline solutes to neutralize the physiological internal pH, and will release through the urine and the channels of acidic compounds, the products or acid metabolites to the external environment, that is, acid urine excretion.

The technique that identifies specific areas of a chromosome composed of heterochromatin is (b) C-banding.

C-banding is a technique used to identify specific regions of a chromosome that are composed of heterochromatin. Heterochromatin refers to the condensed and tightly packed regions of DNA within a chromosome that are transcriptionally inactive and typically contain repetitive DNA sequences.

C-banding involves treating the chromosomes with a specific staining technique that selectively stains the heterochromatic regions, making them visible under a microscope.

The staining technique involves using a chemical or heat treatment to denature the DNA and then staining the DNA with a specific dye, such as Giemsa stain or DAPI (4',6-diamidino-2-phenylindole). The stained heterochromatic regions appear as darkly stained bands or blocks on the chromosomes.

This technique allows for the visualization and identification of heterochromatic regions, which can provide important information about chromosome structure, gene expression, and chromosomal abnormalities.

It is particularly useful in cytogenetic studies and can aid in the identification of specific chromosomal regions and abnormalities associated with genetic disorders.

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Answer:

no

Explanation:

Answer:

They all have beaks and feathers.

Answer:

Wings And A Peak

Explanation:

Well those are characteristics of a bird

An ecologist is someone who studies the effect of an invasive grass species on the density of native grass species.

An ecologist is a scientist who studies the relationships between organisms and their environment. They investigate how living organisms interact with each other and with their physical surroundings, such as climate, soil, water, and other factors. Ecologists seek to understand the structure, function, and dynamics of ecosystems and the processes that drive them.

The work of an ecologist can involve various aspects, including field research, data collection, laboratory analysis, and modeling. They may conduct field surveys, observe and document species in their natural habitats, measure environmental parameters, and collect samples for further analysis. Ecologists also analyze data to identify patterns, trends, and relationships within ecological systems.

Ecologists study various topics, such as biodiversity, population dynamics, community interactions, ecosystem functioning, and conservation. They often specialize in specific areas, such as aquatic ecology, forest ecology, microbial ecology, or urban ecology, focusing on the particular ecosystems and organisms within those systems.

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Answer:

i cant read this pls change the lebgth of the problem :/

Answer:

Column 2 and Column 3

Explanation:

Answer:

Option B

hope it helps you mark me brainliest

Answer:

B

Explanation:

just took it

Answer:

B

Explanation:

Answer:

Ye its (B) Jada volunteers to help raise funds for the United Nations Children's Fund (UNICEF).

Explanation: From k12 btw and i hope dis helps. LOL :)

The action that illustrates citizen participation in an international organization is Jada volunteers to help raise funds for the United Nations Children's Fund (UNICEF).

An international organization may be defined as commodities designated by formal political consensuses between its members that have the status of international treaties.

Reading, Writing, and Teaching about international organizations do not involve the active participation of citizens in an international organization.

Therefore, the action that illustrates citizen participation in an international organization is Jada volunteers to help raise funds for the United Nations Children's Fund (UNICEF).

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Answer:

because plants faces and gets sunlight to grow

Explanation:

horizon.

At night, in its absence, the sunflowers face east again, anticipating the sun’s return.

They do this until they get old, when they stop moving. Then, always facing east, the old flowers await visits from insects that will spread their pollen and make new sunflowers. Those flowers too, will follow the sun.

All organisms must regulate gene expression by turning genes on and off in different cells at different times: genes expression,

operons, RNA splicing, cancer, reproductive cloning, and therapeutic cloning.

Gene expression is the manner by way of which statistics from a gene are used in the synthesis of a useful gene product that enables it to supply end merchandise, protein or non-coding RNA, and in the end affect a phenotype, because of the very last effect.

Gene expression is a tightly regulated process that allows a cellular to reply to its converting environment. It acts as an on/off transfer to manipulate when proteins are made and also an extent manipulation that will increase or decreases the number of proteins made.

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The changes to the cell would cause the greatest reduction in the activity of catalase will causes an increase in the concentration of hydrogen peroxide. Hence option B is correct.

A catalyst is a substance that enables a chemical reaction to occur under novel conditions or generally at a higher rate. When a decomposition reaction takes place with the help of a catalyst, it is called catalytic decomposition. Pathways that are distinct from uncatalyzed processes are made possible by catalysts. There is less activation energy in these routes.

The enzyme that catalyzes the breakdown of hydrogen peroxide is called catalase. Almost all living things, including us, have catalase! Like many others, this enzyme helps a chemical break down into another. Catalase converts hydrogen peroxide into water and oxygen.

Thus, the changes to the cell would cause the greatest reduction in the activity of catalase will causes an increase in the concentration of hydrogen peroxide. Hence option B is correct.

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The statement "secondarily aquatic mammals are typically heterotherms" is false because most secondarily aquatic mammals, such as whales, dolphins, and seals, are actually homeotherms.

Most secondarily aquatic mammals, like whales and dolphins, are homeothermic, which means that despite changes in their external environment, they keep their internal body temperature relatively constant. A thick layer of insulating blubber, a counter-current heat exchange system, and the capacity to adjust blood flow to various parts of the body are some of the physiological and behavioral adaptations that enable this.

In contrast, heterothermy is the capacity of an animal to allow its body temperature to fluctuate in response to changes in the external environment. This ability is more prevalent in animals that hibernate, such as reptiles and some mammals.

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Answer:

Airplanes have wings, just like birds. They also have a light skeleton (or framework) to decrease their weight, and they have a streamlined shape to decrease drag. The big difference is that airplanes do not flap their wings.

Answer:

it would be 3’ taacgt 5’

In human beings, the brain does not complete its development until about 25 years of age.

During early childhood, the brain experiences rapid growth and development. Neural connections are formed at a remarkable rate, allowing for the acquisition of various skills and abilities. This period is critical for cognitive, emotional, and social development.

As children enter adolescence, the brain undergoes further changes. There is a process called synaptic pruning, where unnecessary connections are eliminated, making the brain more efficient. The prefrontal cortex, which is responsible for executive functions such as decision-making, impulse control, and reasoning, continues to develop during this stage.

The prefrontal cortex is one of the last brain regions to fully mature, and this process is not completed until the mid-20s. This means that functions such as judgment, planning, and self-regulation are still developing during the late teenage years and early adulthood.

The extended period of brain development has implications for various aspects of human behavior and decision-making. It suggests that young adults may still be refining their cognitive abilities and may be more susceptible to certain risks and influences during this period.

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Answer:

The element would be Carbon.

Explanation:

The fundamental element would be Carbon, because it has the potential to catenate and form different organic compounds.