HELP ASAP, please help me ace this !!!!!

What happens to biomass and available energy as you move up trophic levels in a food web?

Answer:

C: Afectan principalmente a nuestro sistema nervioso central

Explanation:

Al ingerir sustancias adictivas, el principal afectado o influenciado es el sistema nervioso. Aunque existen diversas formas de acción de las  sustancias adictivas, en general, éstas actúan afectando el pasaje dopaminérgico.  

La dopamina es un neurotransmisor liberado por el sistema nervioso central que causa sensación de placer. Es conocido como la "hormona del placer" y esta relacionado con la evolución de las adicciones. Las diversas sustancias adictivas alteran el funcionamiento normal del sistema nervioso, provocando un exceso de liberación de dopamina. Esta excesiva sensación de placer al consumir sustancias adictivas es lo que nos lleva a seguir consumiendo, para repetir la experiencia placentera, generando adicción. Al hacerlo, los mecanismos de recompensa del cerebro se ven afectados, siendo la causa del elevado nivel de dopamina en el organismo. Este aumento anormal del neurotransmisor provoca una respuesta de parte del organismo que radica en disminuir la cantidad de receptores dopaminérgicos. Al hacerlo, la persona adictas sienten menos placer y mas necesidad de consumir sustancias, para alcanzar el mismo efecto de euforia o uno incluso superior.

Answer:

Students should observe that since the energy available at each trophic level decreases, the populations of animals at higher trophic levels will be smaller than the populations at lower trophic levels. For example, many deer can support relatively few wolves.

Explanation:

Hope it helps have a good day:D

Answer:

he maize is more likely to proliferate because of the human effect.

Explanation:

If both maize and teosinte are grown in the wild, teosinte is more likely to proliferate. This is because teosinte has certain adaptations that make it better suited to the wild environment.

Maize and teosinte are both members of the grass family, but they differ in several important ways. Maize, also known as corn, is a domesticated crop that has been selectively bred over thousands of years to produce larger, more desirable ears for human consumption. Maize has a much larger ear size than teosinte, and its kernels are also larger and more closely packed together.

Hence, if both maize and teosinte are grown in the wild, teosinte is more likely to proliferate. This is because teosinte has certain adaptations that make it better suited to the wild environment.

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Gametes from two plant species combine and produce a haploid zygote, and that zygote develops into a haploid, hybrid plant that is sterile. The hybrid plant is sterile because meiosis cannot occur and the cells do not contain homologous chromosomes. Hence, the correct options are a and c. If an organism has a soft body, it is less likely to be fossilized because the body breaks down before it can be preserved. Competition occurs because organisms typically produce too many offspring, and resources are limited. This means that not all of the offspring will be able to survive and reproduce. As a result, the offspring must compete for resources such as food, water, and mates. Hence, option d is the correct answer.

Gametes from two plant species combine and produce a haploid zygote, and that zygote develops into a haploid, hybrid plant that is sterile. The hybrid plant is sterile because meiosis cannot occur and the cells do not contain homologous chromosomes. Hence, the correct options are a and c.

Mitosis and the plant's ability to grow is not affected by sterility. Sterility, on the other hand, means that the plant cannot produce any reproductive cells (like gametes), making it unable to reproduce. Therefore, option b and option d are incorrect. Additionally, the hybrid plant's sterility is caused by an odd number of chromosomes, which results in the improper separation of chromosomes during meiosis.

Body characteristics affect the likelihood of fossilization. A hard shell is not easily crushed and decomposes slowly, which allows for better fossilization of the organism. As a result, option b is correct and options a and c are incorrect. If an organism has a hard shell, it is more likely to form a fossil.

If an organism has a soft body, it is less likely to be fossilized because the body breaks down before it can be preserved. Competition occurs because organisms typically produce too many offspring, and resources are limited. This means that not all of the offspring will be able to survive and reproduce. As a result, the offspring must compete for resources such as food, water, and mates. Hence, option d is the correct answer.

Females choosing among possible mates or males defending their territories are examples of intraspecific competition, which is a type of competition that occurs within a species. However, the question is asking why competition occurs in general, and the answer is that resources are limited and organisms produce too many offspring. Therefore, options a, b, and c are incorrect.

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Answer:

A:

ATP

Explanation:

Science yeah

The three organelles that are most involved in protein synthesis include: Nucleus, Ribosomes and Endoplasmic reticulum (ER).

The protein synthesis is the formation of polypeptide chain from amino acids. It takes place in two stages of transcription and translation. Transcription is the transfer of genetic instructions from DNA to mRNA in the cell nucleus. It includes three steps: initiation, elongation, and termination. Translation is formation of protein from mRNA.

Proteins are largest, complex molecules that play many important roles in the body. They perform most of their work inside the cell and are necessary for the structure, function and regulation of body tissues and organs

Several essential substances must be present for protein synthesis, including the 20 amino-acids that make up proteins. Another essential component is a set of enzymes that work in this process. DNA and another form of nucleic acid called ribonucleic acid (RNA) are also essential.

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Answer:cholem im pretty surw

Explanation:

Answer: Plants use all of the glucose they produce for respiration. All of the oxygen released in photosynthesis is released by plants; some of it is needed for anaerobic respiration. Because there is a net release of oxygen, we have an oxygen-rich atmosphere on Earth to support other animals. Animals can’t use solar energy directly, but plants convert solar energy into kinetic energy in the form of glucose and other organic molecules and this transfers through the food chain to animals.

Explanation Corrected version

Plants do not use all of the glucose they produce for respiration. All of the oxygen released in photosynthesis is released by plants; some of it is needed for aerobic respiration. Because there is a net release of oxygen, we don't have an oxygen-rich atmosphere on Earth to support other animals. Animals can’t use solar energy directly, but plants convert solar energy into chemical energy in the form of glucose and other organic molecules and this transfers through the food chain to animals.

The class of macromolecules that consumes the most energy for biosynthesis are proteins. Proteins are composed of long chains of amino acids, which require energy to be synthesized and assembled in the correct order.

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Passive Immunity is process of providing IgG antibodies to protect against infection.

It generates antibodies which provides protection against the infection.

This is short lived protection which can last to several months but can provide immediate protection.

Therefore the correct answer is Short term effectiveness immediate onset.

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Answer:

density of lead vs density of water

Explanation:

Explanation:

solid Is and object holder but liquid is something you can see and touch but not hold

Genomic libraries have many uses in genetics research. The FALSE statement regarding genomic libraries is: They are a collection of different restriction enzymes.

Genomic libraries are collections of clones or vectors that contain genomic DNA inserts. Each clone contains a segment of the DNA of the species of interest. Researchers can create genomic libraries by cloning large genomic DNA fragments into a suitable vector. These libraries can be used to identify and isolate specific genes or DNA sequences of interest. Therefore, option A, "They are a collection of different restriction enzymes" is false. The correct statement is that genomic libraries are made by molecular cloning. They are a collection of clones and a collection of plasmids. Each cloned plasmid in the library contains a different segment of the genome.

A full collection of cloned DNA snippets that make up an organism's whole genome is known as a genomic library or gene bank. It represents every gene, including exons, introns, and expressed and non-expressed forms. Genomic libraries can be preserved for a long time, and copies can be used for analysis.

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Answer:

B) CO

Explanation:

Chemical decompsition or breakdown is defined as the process in which a substance can be broken down into simpler compounds through chemical means.

CO or carbon monoxide can be decomposed by chemical change because it can be broken down into into carbon and oxygen.

While Co (cobalt), Cr (chromium), and Cu (coppoer) are present in its simplest form and can not be decomposed further.

Hence, the correct answer is "B) CO".

The overall time between a request for system activity and the delivery of the response is known as latency.

Latency refers to the delay or time lag that occurs between initiating a request or action within a system and receiving the corresponding response. It is a measure of the time it takes for data or information to travel from its source to its destination and for the system to process and generate a response. Latency can be influenced by various factors, including network speed, processing capabilities, system load, and distance between the requester and the responder.

In computing and telecommunications, latency is an important performance metric that affects user experience, particularly in real-time applications such as online gaming, video streaming, and interactive communication. Lower latency is generally desirable as it indicates faster response times and smoother interactions. However, certain factors, such as the physical distance between devices or the complexity of the system, can introduce unavoidable latency.

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Answer: it's B i think i hope it helps

Answer:

carbon cycle, neutral, and decomposition

Answer:

sex

Explanation

they have to sexual intercourse to produce a baby

Answer:

production produce marketing and breeding because they also born baby and processing foods also in there part of body

Explanation:

little bit only I don't know so much if you think the answer is correct then it ok

Artificial selection depends on the traits which humans desire to reproduce.

This is the type of traits which are selected based on human preference for improving them.

Humans usually improve the traits through the process of selection of which they want to reproduce hence making option B  the most appropriate choice.

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C basing models on an incomplete or inaccurate observation is a limitation of using models in science.

Limitation is a restriction or constraint placed on a person, activity, or object. It can be physical, legal, or even psychological. In the legal context, limitations are often imposed by laws, regulations, court orders, or contracts. Physical limitations may include physical barriers, geographic boundaries, or natural obstacles. Psychological limitations may involve beliefs, attitudes, or fears that prevent a person from taking certain actions or achieving a desired outcome.

This can lead to inaccurate and unreliable results and conclusions, which can cause confusion and misunderstanding between scientists. Additionally, models can be difficult to modify and update as more accurate information becomes available. As such, models need to be updated regularly to ensure accuracy and to remain relevant.

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The anticodon is the three-nucleotide sequence in a transfer RNA (tRNA) molecule that is complementary to a specific codon in messenger RNA (mRNA), and it is read in the 5' to 3' direction.

For the codon 5'-agu-3', the corresponding anticodon in the tRNA molecule would be 3'-ucu-5'. The last two nucleotides in the anticodon (5' to 3') are "cu".

Answer:

Tyrosine-Valine-Asparagine-Arginine-Phenylalanine.

Explanation:

The protein sequence for this mRNA sequence UAU-GUC-AAC-CGU-UUU-UAG is Tyr-Val-Asn-Arg-Phe.

The mRNA is read in groups of three nucleotides, called codons, and each codon specifies an amino acid.

The first codon, UAU, codes for the amino acid tyrosine. The second codon, GUC, codes for the amino acid valine.

The third codon, AAC, codes for the amino acid asparagine. The fourth codon, CGU, codes for the amino acid arginine.

The fifth codon, UUU, codes for the amino acid phenylalanine. The last codon, UAG, is a stop codon and does not code for any amino acid.

Therefore, the protein sequence that corresponds to the given mRNA sequence is tyrosine-valine-asparagine-arginine-phenylalanine or Tyr-Val-Asn-Arg-Phe.

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Answer:

She inherited the trait from C: both parents.

Explanation:

The daughter, being female, has the chromosomes XX. Since the disorder is recessive, both of the chromosomes need to have the disorder's allele in order for it to activate. The daughter's chromosomes can be labeled as X(c)X(c); where the c stands for the color-blindness allele. She needs one X chromosome from the father, and one X chromosome from the mother. Both of these chromosomes contained the (c) allele, as said before, so the mother has one X(c) and the father has one X(c). This means that she inherited the trait from both parents. The final answer is C.

Immune responses are the protective responses our body mounts when encountering food-borne microbes.

The protective responses to encountering food-borne microbes are called immune responses. When our body comes into contact with food-borne microbes, such as bacteria, viruses, or parasites, the immune system recognizes them as foreign invaders and initiates a series of responses to defend against them and maintain our health.

The immune responses can be categorized into two main types: innate immune responses and adaptive immune responses.

Innate immune responses are the immediate, non-specific defense mechanisms that act as the first line of defense. These include physical barriers like the skin and mucous membranes, as well as immune cells such as macrophages and natural killer cells.

Innate immune responses help in detecting and eliminating microbes, preventing their colonization and spread.

Adaptive immune responses are more specialized and develop over time. They involve the activation of specific immune cells called lymphocytes, including B cells and T cells.

Adaptive immune responses are antigen-specific, meaning they recognize and target specific components of the invading microbes. These responses are responsible for the production of antibodies and the development of immunological memory, which provides long-term protection against specific pathogens.

In the context of encountering food-borne microbes, immune responses play a crucial role in preventing infections and minimizing the impact of harmful microorganisms.

They can help eliminate or neutralize the pathogens present in the contaminated food, preventing the spread of infection and reducing the risk of illness.

It is important to note that immune responses can vary depending on the specific microbe encountered, the individual's immune system health, and other factors. Some individuals may experience mild symptoms or no symptoms at all, while others may develop more severe illness.

The effectiveness of immune responses also depends on various factors, including the overall health and nutritional status of the individual.

These responses involve both innate and adaptive immune mechanisms, which work together to detect, eliminate, and neutralize the invading pathogens, ultimately safeguarding our health.

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Answer:

You can find out (just researching) about thermoregulation and you would found your purpose quickly ^_^

Explanation:

Answer:

A law is a fact because it cannot be changed. A theory on the other hand can be changed over the course of time.

Explanation:

Answer:

A law is 100% proven while a theory is not. A law is never wrong while a theory, although widely accepted or has been tested hundreds to thousands of times, may be found incomplete or eventually wrong.

Explanation:

The liver reduces the amount of glucose it releases to the muscles changes occurs when the hypothalamus activates the sympathetic division of the autonomic nervous system.

The hypothalamus is in a small area in the brain's center. It is essential in many body functions, from growth and development to mood, heart health, and childbirth.

The hypothalamus is involved in different daily activities like eating or drinking, in the control of the body's temperature and energy maintenance, and in the process of memorizing and in stress control.

These hormones are anti-diuretic hormone (also known as Vasopressin) and oxytocin. Anti-diuretic hormone regulates the amount of fluid in the body and causes water reabsorption at the kidneys thus preventing dehydration.

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The laboratory results suggest that the 6-year-old African boy has anemia and thrombocytopenia (low platelet count).

The combination of bilateral syndactyly (fusion of fingers) and contractures of the fingers, along with the laboratory results, suggests that the boy may be experiencing complications related to sickle cell disease (SCD). SCD is a genetic disorder characterized by abnormal hemoglobin, known as hemoglobin S, which causes red blood cells to become sickle-shaped and less flexible.

The anemia seen in the laboratory results is consistent with SCD due to the chronic destruction of the sickle-shaped red blood cells and their shortened lifespan. The low platelet count could be a result of the ongoing hemolysis (breakdown of red blood cells) and/or the trapping of platelets in small blood vessels due to vaso-occlusive events.

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