They have veins with bundles of xylem and phloem tissues to blank water and blank.

Answer:

Evoloution is a seintific myth. I sudgest you do your research on these things because everything HAS A PURPOSE!!!!!

Explanation:

Answer:

I'm guesssing it's B? I did this a very long time ago( two weeks ago)

Explanation:

Most divergent plate boundaries are underwater and form submarine mountain ranges called oceanic spreading ridges. While the process of forming these mountain ranges is volcanic, volcanoes and earthquakes along oceanic spreading ridges are not as violent as they are at convergent plate boundaries.

Answer:

create a product that can be converted into glucose

Explanation:

Answer:

The organ system works together to provide for the needs of the human organism. For example, the respiratory system and circulatory system work together to deliver oxygen to the cells and gets rid of the carbon dioxide that the cells produce

Explanation:

Human organ systems interact through complex physiological processes to provide for the needs of the human organism, such as obtaining oxygen, nutrients, and eliminating waste products.

The human body consists of multiple organ systems that work together to maintain homeostasis and meet the needs of the organism. These organ systems include the circulatory, respiratory, digestive, nervous, muscular, skeletal, endocrine, immune, urinary, and integumentary systems, among others.

The interaction between these organ systems is essential for the overall functioning of the human organism. For example:

The urinary system filters waste products from the blood, maintaining fluid balance and regulating electrolyte levels. It works in conjunction with the circulatory system to remove waste products and maintain homeostasis.

The integration and coordination between these organ systems ensure the provision of oxygen, nutrients, and the elimination of waste products necessary for the survival and optimal functioning of the human organism. Each system has specialized functions that complement and support one another, forming a complex network that allows for the maintenance of health and the fulfillment of the body's needs.

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Answer: The advantages of electron transport chains are directed

towards living things. Electron transport chains permit the cell to take energy from harvesting electrons .

Explanation: Read above.

Asexual and sexual reproduction, two methods of reproduction among animals, produce offspring that are clones or genetically unique.

Answer:

asexual and sexual

Explanation:

An endocrine disruptor is a substance that interferes with the normal functioning of the endocrine system.

The endocrine system is the system of glands that produce and secrete hormones that regulate various bodily functions, including growth, metabolism, and sexual function. Endocrine disruptors can mimic natural hormones or interfere with the production, transport, or breakdown of hormones, leading to an imbalance in the body's hormone levels, resulting in a variety of health effects, including developmental and reproductive problems, cancer, and immune and neurological disorders. Examples of endocrine disruptors include certain chemicals found in plastics, pesticides, and personal care products, as well as environmental pollutants.

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The researchers concluded that, the genetic diversity observed in the mitochondrial DNA (mtDNA) of the samples indicated that all individuals shared a common maternal ancestor who lived in Africa approximately 200,000 years ago. This supported the hypothesis that anatomically modern humans originated in Africa and subsequently migrated to other regions of the world.

The analysis of genetic samples from diverse populations allowed the researchers to trace the genetic lineage back to a single common ancestor. Mitochondrial DNA is passed down exclusively from the mother to her offspring, making it a useful tool for studying human ancestry and tracing maternal lineages.

The estimated number of mutations in the mtDNA samples provided insights into the time since the most recent common ancestor. By comparing the number of mutations across different populations, the researchers could estimate the time it took for those mutations to occur, suggesting a recent African origin for modern humans.

This study provided genetic evidence supporting the Out-of-Africa theory, which posits that modern humans evolved in Africa and then dispersed to other parts of the world, replacing or assimilating other hominin populations they encountered along the way.

It's worth noting that subsequent studies and advancements in genetic research have further refined our understanding of human migration and ancestry. However, the 1987 study played a crucial role in providing evidence for the African origin and subsequent global spread of anatomically modern humans.

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Answer:

people who fish for food or materials.

I don't know if this helped tell me if you need more

The smallest unit is the cell; tissues are made up of groups of similar cells; organs are composed of groups of various tissues; organ systems are composed of groups of organs, and multicellular organisms are made up of these components.

Cells, tissues, and organs are lower levels of organization in multicellular organisms. Organ systems and creatures come next after these. Since unicellular creatures only have one cell and no further tissue or levels, these levels are absent in them.

Atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism are the main levels of organization in the body, going from the simplest to the most complex.

Multicellular organisms need levels of organization because their cells are divided into groups that perform functions like respiration, reproduction, digestion, cardiovascular function, and other metabolism functions.

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This statement is true. Properties of a material are a direct consequence of the atoms that constitute it and their interactions.

Answer:

More surface area for oxygen to be absorbed into the blood

Explanation:

Answer:

a and i already answer this

Explanation:

Answer: prokaryotes have one strand while eukaryotes have more than one

Explanation:

The false statement about tumor suppressor genes is (b) Cells with one functional copy of a tumor suppressor gene will usually proliferate faster than normal cells.

Cells with only one functional copy of a tumor suppressor gene will proliferate at a slower rate than normal cells, as they are more prone to inactivation and therefore have a reduced ability to suppress tumor formation. The other statements are true. Gene amplification of a proto-oncogene can lead to cancer, while gene amplification of a tumor suppressor gene is less dangerous as it would lead to an increased ability to suppress tumor formation. Inactivation of tumor suppressor genes leads to enhanced cell survival and proliferation, which can increase the risk of cancer. Individuals with only one functional copy of a tumor suppressor gene are more prone to cancer as they have a reduced ability to suppress tumor formation.

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i have no idea figure it out yourself

Here are two complex sentences with their dependent clauses underlined:
1. After I finish my work, I will go for a walk, even if it's raining.
2. Because the restaurant was full, we had to wait outside until a table became available.

A complex sentence is a sentence that contains one independent clause and one or more dependent clauses. A dependent clause cannot stand alone as a sentence and must be attached to an independent clause to form a complete thought. In the first sentence, "After I finish my work" is the dependent clause, and "even if it's raining" is a subordinate conjunction that adds further information to the sentence.

In the second sentence, "Because the restaurant was full" is the dependent clause, and "we had to wait outside until a table became available" is the independent clause. Identifying dependent clauses and understanding how they function in a sentence can help us write more complex and sophisticated sentences.

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Electrophoresis tool is used for PCR result analysis. thus option D is correct.

Electrophoresis has the ability to pass charged molecules  in an  electric field, it is the separation of proteins which  is usually accomplished using polyacrylamide gel electrophoresis  (PAGE).

In this process where the proteins are driven by an applied current through a gel based matrix.

these polyacrylamide gel is formed as a thin slab between two glass plates or as a  cylinder within a glass tube.

The primary objective of electrophoresis is to separate DNA molecules based on their size which  may be completed on a gene of interest prior to electrophoresis.

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Answer:

SNP analysis

Explanation:

Correct on my exam

Answer:

an increase or decrease in temperature

Explanation:

it the only that makes since

The indicated cell is currently in the Metaphase phase. The correct option is D.

In metaphase, the nuclear envelope has already broken down, allowing the chromosomes to be exposed in the cytoplasm.

The chromosomes, which consist of two sister chromatids held together by a centromere, condense and become more visible.

They move towards the center of the cell and arrange themselves in a single plane, forming a line at the metaphase plate.

At this stage, the microtubules of the mitotic spindle called the kinetochore microtubules, attach to the kinetochores located on the centromeres of each chromosome.

The kinetochore microtubules exert tension on the chromosomes, aligning them at the metaphase plate with equal spacing between each chromosome.

Thus, the correct option is D.

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Answer:

3.5m

Explanation:

Given parameters:

Force applied  = 8.2N

Work done  = 28.7J

Unknown:

Distance through which the force was applied  = ?

Solution:

Work done is the force applied on body to move it through a particular distance.

 Work done   = Force x distance

 Now insert the parameters and solve;

          28.7  = 8.2 x distance

           distance  = 3.5m

Blood clots may not dissolve due to plasmin gene mutations that produce inactive plasmin. Therefore, statement 3 is the chosen statement.

A zymogen that starts the fibrinolytic cascade is plasminogen. The plasminogen-to-plasmin conversion results in plasminogen activation. A proteolytic enzyme is a plasmin. It is a chemical that stimulates the breakdown of proteins made from an inert plasma precursor plasminogen. Blood clot fibrinolysis and the restoration of regular blood flow are the primary physiological functions of plasmin. In other words, it is a serine protease that dissolves fibrin blood clots. It is present in human serum.

Therefore, statement 3 is correct.

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Answer:

A or B

Explanation:

a) The term "septic" refers to the anaerobic bacterial environment that develops in the tank that decomposes or mineralizes the waste discharged into the tank. 

b) Runoff is nothing more than water "running off" the land surface. Just as the water you wash your car with runs off down the driveway as you work, the rain that Mother Nature covers the landscape with runs off downhill, too (due to gravity). Runoff is an important component of the natural water cycle.

Answer:

With mitosis, the daughter cells are genetically identical to each other, and to the parent cell.

Explanation:

The process in which a single parent cell divides into two new genetically identical daughter cells having the same amount of chromosomes as that of parent cell is called mitosis.

Each of the following statements about chemoorganotrophs is true EXCEPT: They may use photophosphorylation to produce ATP

What are chemoorganotrophs?

Hence, chemoorganotrophs may use photophosphorylation to produce ATP

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Each of the following statements about chemoorganotrophs is true EXCEPT:

Answer: Accelerating cell division rates or inhibiting normal controls on the system

Explanation:

Answer:

Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor. brainliest

A combination of all three methods would provide a more complete picture of the spread of maize agriculture and its impact on human health. All of the suggested methods would be useful in tracking the spread of maize agriculture throughout the eastern United States.

Stable isotope analysis of carbon can provide information on what types of plants were being consumed by individuals and can help identify when maize became a major part of the diet. The rate of dental caries can also indicate a change in diet, as diets high in carbohydrates, such as maize, can lead to an increase in tooth decay. Frequencies of iron deficiency anemia can be used to determine if there was a change in the availability of dietary iron, which may have been affected by the adoption of maize agriculture.

To track the spread of maize agriculture in the eastern United States, your professor's suggestion to study human skeletons is valuable. By performing a stable isotope analysis of carbon, you can gain insights into ancient dietary patterns, indicating maize consumption. Examining the rate of dental caries can reveal the impact of maize on oral health, as agriculture shifts often affect dental health. Lastly, assessing the frequencies of iron deficiency anemia can help determine the nutritional changes resulting from maize agriculture. Therefore, considering all these factors (a, b, and c) can provide a comprehensive understanding of maize's spread and its influence on ancient populations.

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A mutation scenario that will lead to natural selection is one that causes a specific variation within the population. Thus, the correct option for this question is C.

A mutation may be defined as a type of process that significantly involves sudden, stable, and inheritable changes in the genetic material of an organism. The organism that undergoes mutation is called a mutant. The agent of mutation is called mutagen.

According to the context of this question, the process of mutation never causes a positive influence on the organisms, but with respect to time organisms become adapted or habitual.

A Mutation may be random and spontaneous so, it does not always involve an inactivated gene being reactivated. It sometimes involves the introduction of a new gene that facilitates specific functions.

Therefore, a mutation causes a specific variation within the population is a mutation scenario that will lead to natural selection. Thus, the correct option for this question is C.

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