The blood press sure of a solider is measured when he is resting. The same solidger is then exposed to a stressful environment and his blood pressure is measured again. IDENTIFY the independent. Dependent and constant variable.
My question is what is the CONTROL VARIABLE???? PLZZZ HELP

Answer:

a. Trisomic

Explanation:

A trisomy is a genomic phenomenon whereby a particular chromosome is present in three copies. In this case, the trisomy involves the chromosome P, being this species a tetraploid with 5 pairs of homologous chromosomes (2n = 10). In humans, the trisomy for chromosome 21 is one of the most common types of aneuploidies that lead to the Down syndrome by producing alterations in gene expression patterns that are associated with changes in the phenotype

Protein synthesis, the process by which cells generate proteins, differs in prokaryotes and eukaryotes due to several factors related to their cellular structures and mechanisms. Prokaryotes, such as bacteria, lack a distinct nucleus and other membrane-bound organelles, while eukaryotes, including plants, animals, and fungi, have a well-defined nucleus and various organelles. This difference affects the localization and regulation of protein synthesis. In prokaryotes, transcription (the synthesis of RNA from DNA) and translation (the synthesis of proteins from RNA) are coupled, meaning they occur simultaneously. The mRNA transcript is rapidly translated into protein by ribosomes as it is being synthesized. In contrast, eukaryotes separate transcription and translation in time and space. Transcription occurs inside the nucleus, and the mRNA is then processed, modified, and transported to the cytoplasm, where translation takes place. Eukaryotic mRNA undergoes various modifications before it can be translated into protein. This includes the addition of a 5' cap and a poly(A) tail, as well as the removal of introns through a process called splicing. These modifications provide stability, facilitate transport to the cytoplasm, and allow for the production of multiple protein isoforms. Prokaryotes do not typically undergo extensive mRNA processing. Prokaryotic and eukaryotic ribosomes differ in size and composition. Prokaryotes have smaller ribosomes (70S) composed of a 30S and a 50S subunit, while eukaryotes have larger ribosomes (80S) consisting of a 40S and a 60S subunit. These structural differences impact the initiation, elongation, and termination of protein synthesis. Eukaryotes possess more complex mechanisms for regulating gene expression compared to prokaryotes. Eukaryotic gene expression is regulated at multiple levels, including transcriptional control, post-transcriptional modifications, and translational control. This allows for fine-tuning of protein synthesis in response to various internal and external signals. Prokaryotes primarily regulate gene expression at the transcriptional level.

Overall, the differences in protein synthesis between prokaryotes and eukaryotes are rooted in their distinct cellular organization, mechanisms of gene expression, and the need for eukaryotes to coordinate protein synthesis within a more complex and compartmentalized cellular environment.

Answer:

Gray wolf->Rabbit->Clover plant

Explanation:

The wolf eats the rabbit and the rabbit eats the clover plants

The probability of obtaining offspring with the dominant phenotype for all four traits (AaBbCCdd x AabbCcDd) is 0.046875, while the probability of obtaining offspring with the dominant phenotype for any of the four traits is 1.50.

Both the product rule and the sum rule are essential to understanding the concept of alleles and the probability of obtaining offspring with the dominant phenotype for four unlinked genes.The product rule states that the probability of obtaining two or more independent events is equal to the product of the probabilities of each event.

In this case, the probability of obtaining offspring with the dominant phenotype for all four traits is equal to the product of the probabilities of the dominant alleles in each gene. For example, the probability of obtaining offspring with the dominant phenotype of A, B, C, and D is equal to the product of the probabilities of A, B, C, and D (AaBbCCdd x AabbCcDd). This equals 0.25 x 0.375 x 0.5 x 0.375 = 0.046875.

The sum rule states that the probability of obtaining at least one of the two events is equal to the sum of the probabilities of each event. In this case, the probability of obtaining offspring with the dominant phenotype for any of the four traits is equal to the sum of the probabilities of the dominant alleles in each gene. For example, the probability of obtaining offspring with the dominant phenotype of A, B, C, and D is equal to the sum of the probabilities of A, B, C, and D (AaBbCCdd x AabbCcDd). This equals 0.25 + 0.375 + 0.5 + 0.375 = 1.50.

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Answer:

Homologous chromosomes are NOT identical.

Explanation:

They contain slight differences in their genetic information, allowing each gamete to have a unique genetic makeup. Consider that the homologous chromosomes of a sexually reproducing organism are originally inherited as two separate sets, one from each parent.   Hope this helps :)

Answer:

Bacteria are tiny, single-celled organisms that get nutrients from their environments.  Some bacteria are good for our bodies — they help keep the digestive system in working order and keep harmful bacteria from moving in. Some bacteria are used to make medicines and vaccines.

Explanation:

The term "germs" refers to the microscopic bacteria, viruses, fungi, and protozoa that can cause disease. But bacteria can cause trouble too, as with cavities, urinary tract infections, ear infections, or strep throat. Antibiotics are used to treat bacterial infections.

Answer:

The earthworms reduce the resources available to other animals that eat dead plant matter.

Explanation:

The introduction of non-native earthworms in the Great Lakes region can have negative consequences on the ecosystem, including reducing the leaf litter and other organic matter in the soil, which is a main food resource for many species of animals and invertebrates, causing a decline in the population of those species. I apologize for any confusion my previous response may have caused.

Codominance means that neither allele can mask the expression of the other allele. An example in humans would be the ABO blood group, where alleles A and alleles B are both expressed. So if an individual inherits allele A from their mother and allele B from their father, they have blood type AB.

Answer:

5.45 kg x (2.2 pounds/1 kg) x (0.25 tsp/1 pound) x (5 mL/1 tsp) = 14.98 or approx. 15 mL

Answer:

plástico gases efecto inevero entre otras cosas

Explanation:

la contaminación y el uso excesivo de recursos animales

Answer:

Ferns don't reproduce with seeds so they don't spread as much as plants that produce seeds.

Explanation:

Answer:

Autosomal Dominant pattern of inheritance

Explanation:

Huntington’s disease (HT) is neurological disorder  characterised with loss of motor control with uncontrolled movements, degeneration of cognitive functions and emotional problems.it occurs from ages of 35-40,and lasts for 20 years after the onset. Is due to mutation in the HTT genes.

when an individual has a single mutant copy of  of a gene that causes a disorder which manifests itself in  the presence of non-mutant copy of the gene, such inheritance disorder is  said to exhibit Autosomal Dominant.The presence  non mutant copy is not enough to neutralized the effect of the mutant copy,Therefore if the mutant copy is inherited from the  mother or father, its effects manifest,

HT, diseases is a particular example of this condition. The mutant HTT gene is inherited as mutant copy and is therefore regarded as autosomal dominant single-gene neurological conditions.

Mutation  of HT is called  triplets repeats.This is a unique mutation which involves the repetition of CAG-triplets codes in the inherited subject. The Number of the repeats of the gene is an indicator of when the disease will be manifested and the severity of this as detected by the genetic test.

Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes.

A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins.

Our genes carry information that gets passed from one generation to the next. For example, genes are why one child has blonde hair like their mother, while their sibling has brown hair like their father.

The gene is considered the basic unit of inheritance. Genes are passed from parents to offspring and contain the information needed to specify physical and biological traits.

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The hormones created and released by the glands in your body's endocrine system control nearly all the processes in your body

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Answer:

The endocrine system.

Explanation:

It's a group of glands that produce and secrete hormones that the body uses for a variety of purposes.

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1. Reduce, Reuse, and Recycle: Implementing practices that prioritize the reduction of waste, encourage the reuse of materials, and promote recycling can significantly lessen pollution across all three mediums.

2. Sustainable Agriculture: Adopting sustainable agricultural practices can help minimize soil, water, and air pollution.

Practices such as organic farming, precision agriculture, crop rotation, and integrated pest management reduce the use of chemical fertilizers, pesticides, and herbicides, thus preventing soil and water contamination.

3. Implementing Proper Waste Management: Ensuring effective waste management systems is crucial to prevent pollution.

This includes proper disposal and treatment of waste materials, preventing hazardous substances from entering landfills or water bodies, and promoting recycling and composting initiatives.

4. Transitioning to Clean Energy Sources: Reducing reliance on fossil fuels and transitioning to cleaner energy sources, such as renewable energy (solar, wind, hydroelectric, etc.), can greatly decrease air pollution and combat climate change.

5. Implementing Pollution Control Measures: Establishing and enforcing strict pollution control measures and regulations is essential to mitigate pollution.

This includes setting emission standards for industries, implementing proper wastewater treatment systems, and enforcing measures to reduce air pollution from industrial processes and vehicles.

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A body cavity is any space, compartiment or potential space inside the body that holds and protect organs.

In this image, we can see a body cavity in light red on the top of the head, where the brain is located, which is the cranial cavity.

Right below, we see a cavity in the same red color and in some way connected to the cranial cavity, but in a long and thin shape. It is the vertebral cavity (or spinal cavity), where the structures within the vertebral column can be find.

All of the cavities shown below those two (cranial cavity and vertebral cavity) are divisions of the thoracic cavity. The divisions shown in the image are:

Below the vertebral cavity, we see a cavity in orange, right in the middle of the chest. It is the superior mediastinum, a division of the thoracic cavity.

On both sides of the superior mediastinum, we see two cavities in purple. They form the pleural cavity (enclosing, amongst other organs, the lungs).

In the middle of the pleural cavity, we see another one in green, right below the superior mediastinum. It is the pericardial cavity within the mediastinum, which main function is to facilitate the free movement of the heart.

Below the pleural cavity and the pericardial cavity within the mediastinum, we see a cavity in dark red. It is the abdominal cavity, which is the place where many organs such as the stomach, the liver and the kidneys are.

Answer:

Therefore, the group of alleles that can be considered the gene pool of the moose population on Isle Royale would be all alleles of the moose in this population only.

Explanation:

The group of alleles that can be considered the gene pool of the moose population on Isle Royale would be all alleles of the moose in this population only.

A gene pool is the collection of all the genes (including alleles) found in a population or species that is capable of reproduction.

A big gene pool has a wide range of genetic diversity and is more resilient to environmental stresses. Due to a reduced gene pool caused by inbreeding, populations or species are less able to adapt to and endure environmental challenges.

The term "gene pool" refers to the entire gene pool found in interbreeding populations.

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T-cells is a killer cells that recognizes and kills an infected cell due to the presence of viral antigen on its surface. B-cells produce antibodies to fight bacteria and viruses.

T-cells release chemical granzymes to induce apoptosis but B-cells does not become macrophages.

Basophil release histamine, serotonin, and leukotrienes. It trigger inflammation. Monocyte do not produce antibodies.

Basophils-release histamine. Leukocytes engulf invading microorganisms.

Answer - Option A

Before fossil fuel and electrical power energy were harnessed, Humans used muscle power and direct wind and water power.

The correct option is C.

Muscle power refers to the power generated by humans during the contraction and relaxation of their muscles.

Muscle power can be used to accomplish a variety of tasks such as lifting objects, walking, running, etc.

Before the discovery of fossil fuels, humans use muscle power as well as wind and water power to accomplish tasks such as driving of motors, sailing ships, cutting trees, etc.

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Answer:

Urgent

Explanation:

A critical need is one that is urgent or necessary.

People who respect critical thinking make up a critical society, and a critical need is anything that is urgent or necessary.

Critical sociology aims to deconstruct old social power structures through analyzing texts, artworks, and other forms of media.

This is distinct from other sociological approaches, which frequently emphasize description over criticism.

Social workers must be able to assess each situation impartially by gathering data through observations, interviews, and research.

Social workers can make educated judgments, find the greatest resources, and create the best plans to assist clients by thinking critically and without bias.

Promoting critical thinking is crucial, and doing so through the eyes of cognitive science paints a clearer picture of what proponents for critical thinking are actually attempting to advance.

Therefore, a critical need of society is one that is urgent or necessary.

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Cοmparing Taeniοpygia guttata sοng variability tο that οf any οther singing bird.

Making sure identity οf experiment οf hοuse finch :  

a. Hypοthesis:

There is nο significant difference in the singing οf the yοung bird (learner) and the fοster parent (trainer).

b. Variables that are independent and dependent:

pitch, frequency mοdulatiοn, variance entrοpy, pitch gοοdness, and mοdulatiοn that can be heard . The dependent variable is cοnsidered when testing within a pοpulatiοn. An independent variable is cοnsidered during testing with twο distinct species.

c. Devices:

As a cοntrοl, the sοng recοrdings οf the wild birds Taeniοpygia guttata and Hοuse finches are used.

d. Cοnstants: Once tamed, the trainer birds never change.

e. The experiment will use twο dοmestic trainer birds frοm each species. Hοuse finches, first, and Taeniοpygia gutta, secοnd.

After that, the yοung οf each species were given tο a trainer οr fοster parent frοm anοther species.

f. Result:

Typically, the οutcοme was in οppοsitiοn tο the theοry. The baby bird's sοng is identical tο that οf its οwn species, even if it was taught by a fοster parent οf a different species.

g. Mοtives:

The pοpulatiοn itself reveals sοng variatiοn between species. We can deduce that vοcal cοmmunicatiοn behaviοr in sοngbirds was learned thrοugh genetics. Aural experience may influence οne's ability tο recοgnize vοices. This demοnstrates the falsity οf the theοry.

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Explanation:

cat- homologous structure

human- embroyological structures

Answer:

Transformation results in the genetic alteration of the recipient cell. Exogenous DNA is taken up into the recipient cell from its surroundings through the cell membrane (s). Transformation occurs naturally in some species of bacteria, but it can also be affected by artificial means in other cells.

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Human activities can increase eutrophication. Option B

The process through which a body of water, such as a lake or river, gets enriched with nutrients, mainly nitrogen and phosphorus, is what is called eutrophication.

This water enrichmnt can be caused by natural or human activities like agriculture, wastewater treatment plant discharge, or air pollution from fossil fuels

Eutrophication can affect aquatic ecosystems negativly. This can lead to loss of biodiversity, or evn changes in the food web. It is also known to reduced recreational and beauty of of our water bodies.

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When the DNA or RNA sequences are altered, the resultant amino acid can occasionally change as a result. A completely new sequence of amino acids may be produced as a result of how the ribosome interprets the mRNA sequence.

The amino acid sequence of the protein that the gene codes for can be altered by changes to the DNA sequence of that gene, a process known as mutation. A single DNA letter can change in a point mutation. They can be divided into three categories: Missense mutations alter a protein's single amino acid. DNA sequence modifications are known as mutations. Viral infection, mutagen exposure, or errors in DNA replication during cell division can all lead to mutations.

As a result, option C, which reads: "A change in the DNA sequence affects the RNA sequence, which occasionally results in a change in the resultant amino acid," is the right statement.

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