Biology High School

The elements or compounds that enter into a
chemical reaction are called
A products.
C active sites.
B catalysts.
D reactants.

Answers

Answer 1

Answer:

D. reactant

Explanation:

Answer 2

Answer:

reactants

Explanation:

Related Questions

the arrival time of the first earthquake p wave at a seismograph station was 10:11:20 if the epicenter of the earthquake is 8000 km away what is the approximate arrival time of the first s wave

Answers

The approximate arrival time of the first S wave at the seismograph station would be around 10:12:08 to 10:12:16.

What is the approximate arrival time of the first s wave?

The S wave typically arrives after the P wave, and the time interval between the two waves depends on the distance between the seismograph station and the epicenter.

For every 1,000 km of distance, there is typically a delay of about 6-7 seconds between the arrival of the P wave and the S wave.

Since the epicenter of the earthquake is 8,000 km away, we can expect the S wave to arrive approximately 48-56 seconds after the P wave.

Therefore, the approximate arrival time of the first S wave at the seismograph station would be around 10:12:08 to 10:12:16.

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If each dose of growth product increases the height of the organism, how many phenotypes for height could exist in the population?.

Answers

Scientists estimate that 80 percent of a person's height is determined by the DNA sequence variations that they inherit. If we assume n = the number of gene pairs, then (2n + 1) determine the total number of categories of phenotype.

The total of the lengths of the head, trunk, and legs determines human height. How tall a person gets is influenced by around 10,000 common gene variations. primarily determined by DNA in terms of height. Up to 80% of the variation in height, according to studies of identical and fraternal twins, may be entirely hereditary.

In genetics, an organism's phenotype is its collection of discernible qualities. This covers an organism's physical makeup, its structural development, and its behavior.

Despite a wide variety of phenotypes, children inherit their parents' coloring through DNA. Assuming that n is equal to the number of gene pairs, we may calculate the total number of phenotype categories as    (2n + 1).

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Rhyme Scheme and Rhythm in a Sonnet by William Shakespeare


Instruction Active


U


Determining Central Ideas


Try it


Read the second quatrain of "Sonnet 73." and then


answer the questions


In me thou seest the twilight of such day,


As after sunset fadeth in the west,


Which by and by black night doth take away,


Death's second self that seals up all in rest.


- "Sonnet 73,"


William Shakespeare


What is the best paraphrase of these lines?


What is the central idea of these lines?

Answers

Answer:

- I am like a day at twilight, slowly becoming dark

-The speaker is getting older

Explanation:

A mutation in a gene results in a defective protein that is smaller than the normal, functional one. The mutation is probably a result of.

Answers

The DNA sequence of a gene is altered to generate a different result, which is known as a genetic mutation.The DNA sequence of that gene is permanently altered.For humans to develop, which is the process of change over a number of generations, genetic variances are crucial.In one person, a spontaneous genetic mutation takes place.

What causes mutation?Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can. Cystic fibrosis, hemophilia, and sickle cell disease are examples of hereditary mutations.Throughout a person's life, further mutations may occur on their own.Spontaneous, sporadic, or novel mutations are the terms used to describe them.Only a few cells are affected. Mutations that are harmful can result in cancer or genetic diseases.A genetic disorder is a condition brought on by a change in one or more genes.Cystic fibrosis is a human example.A single gene mutation causes the body to create thick, sticky mucus that obstructs digestive organ ducts and clogs the lungs. There are certain point mutations that actually change the amino acid that the codon specifies.A nonsense mutation or a missense mutation may result from these point mutations.When the replacement creates a codon for a different amino acid, it is known as a missense mutation. Errors in DNA replication or the harmful effects of mutagens, such as chemicals and radiation, which react with DNA and alter the architecture of individual nucleotides, are the two main causes of mutations.DNA repair enzymes are present in all cells and work to reduce the frequency of mutations.

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Which factors influence the evolution of a species? a limited supply of necessary resources random mating within a species the potential for a species' population to increase fit offspring are best able to survive genetic differences in offspring​

Answers

Answer:

Species evolve over time as a result of

- the potential for a species' population to increase.

- genetic differences in offspring due to mutation and the recombination of genes.

- a limited supply of necessary resources.

- selection by the environment of offspring that are best able to survive and reproduce.

Explanation:

NOT random mating within a species

Answer:

Species evolve over time as a result of

the potential for a species' population to increase.

genetic differences in offspring due to mutation and the recombination of genes.

a limited supply of necessary resources.

selection by the environment of offspring that are best able to survive and reproduce.

Explanation:

just had it on study island

HELP ASAP PLEASE
Which of the following mechanical waves have the same energy?
Car battery
Compressed spring
Glowing incandescent lightbulb
Nucleus of uranium atom

Answers

Answer:

Car battery is the answer

How would the amount of oxygen absorbed by the cells be different in an athlete who is blood doping, compared to a normal athlete?

Answers

The amount of oxygen absorbed by the cells is different in an athlete who is blood doping compared to a normal athlete because this last has less oxygen in the blood to carry out the process of cellular respiration.

Why oxygen is fundamental to getting energy in an athlete?

Oxygen is fundamental to getting energy in an athlete because it is a reactant of the process of cellular respiration, thereby it is required to generate ATP, the energy coin of the aerobic cells, and thus produce muscle contraction during physical exercise.

Therefore, with this data, we can see that oxygen is fundamental to getting energy in an athlete and blood doping may increase the level of oxygen intake, thereby leading to a higher production of energy by the same unit of time and thus leading to higher (and illicit) performance.

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c) Suggest what can be done to address any discrepancy. Start explaining the most practical solution first and then the least favorable solution(s). Write in the provided box, please. [10 marks]

Answers

Answer:

Explanation:

yes cux it is good

and i needpoints

a 4-year-old girl presents to the office with lymphadenitis of several left axillary and cervical lymph nodes. an erythematous papule is noted on the left hand. what is the treatment of choice?

Answers

The most likely cause of the lymphadenitis is a bacterial infection, likely resulting from the papule on the left hand. The treatment of choice in this case would be a course of antibiotics, such as penicillin or amoxicillin.

The specific antibiotic prescribed would depend on the child's medical history, allergies, and other individual factors. In addition to antibiotics, the child should be monitored closely for any worsening of symptoms and advised to practice good hand hygiene to prevent further spread of infection.

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Describe three structural differences between prokaryotic and eukaryotic cells.

Answers

Answer:

Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in the cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.

Explanation:

:)

but why doesn’t the antibiotic just keep diffusing and inhibit growth all over the plate? more specifically, what is going on at the edge of the zones?

Answers

The antibiotic diffusion occurs in a concentration gradient, which means that the concentration of the antibiotic is highest at the point of application and decreases as it moves away from the source. At the edge of the zone, the concentration of the antibiotic may have dropped below the minimum inhibitory concentration (MIC) required to inhibit bacterial growth.

Therefore, bacterial growth may occur at the edge of the zone. Additionally, factors such as nutrient availability and competition between bacterial species can also influence the growth of bacteria at the edge of the zone. As a result, the zone of inhibition is often not a perfect circle and can have irregular edges.
The antibiotic does not keep diffusing and inhibiting growth all over the plate due to its concentration gradient. As it diffuses from the point of highest concentration, it becomes diluted, gradually losing its effectiveness.

At the edge of the zones, the antibiotic concentration reaches a point where it is no longer effective in inhibiting bacterial growth. This creates a clear boundary between the zone of inhibition, where bacteria cannot grow, and the area where bacterial growth resumes. The size of the zone of inhibition can be affected by factors such as the antibiotic's potency, its diffusion rate, and the bacteria's susceptibility to the antibiotic.

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A type of reproduction where an organism is produced from the combining of genetic information from two individuals, where the offspring has half of its DNA from each parent, is called

Answers

Answer: This describes sexual reproduction.

Explanation: Asexual reproduction is where one parent (or parent cell) creates an offspring that is an identical version of themselves. This is how bacteria reproduces. Taking 50% of the DNA from each parent is an example of sexual reproduction.

explain how meitosis and fertilization produces genetic variation during sexual reproduction ​

Answers

Answer:

Explanation:

Genetic variation is increased by meiosis

During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote.

PLSSS HELP I WILL MARK U!!!


Enzymes can build up (synthesize) or break down (lysis) a product. Explain the picture below

PLSSS HELP I WILL MARK U!!!Enzymes can build up (synthesize) or break down (lysis) a product. Explain

Answers

Answer:

Enzymes speedup the chemical reaction.

Explanation:

Enzymes are the molecules which are responsible for speedup of the chemical reaction. In this picture, we can see substrate attached to the active site of the enzyme. This enzyme speedup the chemical reaction and products are formed after completion of chemical reaction. When the chemical reaction is over, the products detached from the enzyme and no decrease occurs in the size of enzyme.

Match the water-soluble vitamin with its function in cellular metabolism.
folate

Answers

Folate is vital for DNA synthesis, red blood cell formation, amino acid metabolism, and neural tube development, making it an important water-soluble vitamin in cellular metabolism.

Folate, or vitamin B9, is involved in important functions within cellular metabolism. It plays a crucial role in DNA synthesis and repair, providing the necessary methyl group for nucleotide production.

Folate is essential for the formation of red blood cells, contributing to heme production. It also participates in the metabolism of amino acids, aiding in the conversion of specific amino acids and other important molecules.

Additionally, folate is crucial for neural tube development in embryos, playing a role in the formation and closure of the neural tube.

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I really need help on this plss

I really need help on this plss

Answers

Answer:

1-geologist

2k oceanographer

3-meteorologist

4-oceanographer

5-astronomer

Explanation:

What could be done to halt ocean acidification?

Answers

Answer:

act on climate change, implementing solutions to dramatically reduce the use of fossil fuels.

Explanation:

how does oxygen molecule cross a cell membrane​

Answers

Hope this

Oxygen and carbon dioxide move across cell membranes via simple diffusion, a process that requires no energy input and is driven by differences in concentration on either side of the cell membrane.

Proteins are the building blocks of all the tissues in the body. Which of the following cell organelles are directly responsible for
making and packaging proteins?
O A. ribosomes and lysosomes
©B. mitochondria, Golgi complex, and ribosomes
O C. endoplasmic reticulum, mitochondria, and lysosomes
© D. ribosomes, endoplasmic reticulum, and Golgi complex

Answers

Answer:

The answer is B

Explanation:

Protein cargo moves from the ER to the Golgi, is modified within the Golgi, and is then sent to various destinations in the cell, including the lysosomes and the cell surface. The Golgi processes proteins made by the endoplasmic reticulum (ER) before sending them out to the cell.

I hope this helped :))

Many cells working together is a _____________.
A. organ system

B. organism

C. tissue

D. organ

Answers

Many cells working together is a tissue .

hope it is helpful to you

Answer:

C. tissue

Explanation:

I put the correct answer

What term refers to the process by which cancerous cells spread throughout the body? a) malignant
b) metastasis
c) benign
d) mitosis​

Answers

Answer:

I believe the correct answer is B) metastasis

Why does Darwin's Theory of Natural selection disprove Lamarck's Theory of inheritance of Acquired Characteristics? Answer in a short and clear answer

Answers

Lamarck's theory of Inheritance of Acquired Characteristics proposed that an organism experiences modification that can be transmitted to its offspring. However, Darwin's Theory of Natural selection disproved the Lamarckian theory. Many biologists have tested this theory (Lamarckian theory) and the result is, more evidence is being demonstrated that the traits and behavior of organisms were the results of natural selection; hence, these changes are mainly controlled by genes.

The introductory passage discusses how researchers learned more about the relationships between Bacteria, Archaea, and Eukarya from studying the new Archaeal phylum Lokiarchaeota.
Which of the following is true about the evolutionary origin of all three of these domains?
a. It is not yet clear whether the domains shared a common ancestor.
b. Each domain of organisms evolved separately and independently.
c. All of these domains evolved from an archaeal organism called Luca.
d. All of these domains evolved from a shared ancestor known as LUCA.

Answers

The evolutionary origin of all three domains: Bacteria, Archaea, and Eukarya, evolved from a shared ancestor known as LUCA. Therefore, option d is the correct one.

What is the domain?

The domain is a taxonomic category above the kingdom level in the taxonomic hierarchy. The three domains of life are Bacteria, Archaea, and Eukarya. There are many significant distinctions between these domains, including their structure, size, and genetic material, among other things.

Bacteria and Archaea are single-celled organisms, while Eukarya includes all multicellular organisms. Eukarya cells are defined by their nuclei, which contain their genetic information, and many of them have unique organelles such as mitochondria and chloroplasts, which help them perform particular tasks.

What is the Lokiarchaeota phylum?

The Lokiarchaeota phylum is a group of microbes found in the deep sea that was first identified in 2015. They are referred to as “archaeal microbes” because they share characteristics with Archaea, a domain of life that includes single-celled microorganisms. They were named after the Norse god Loki because of the challenges they pose for evolutionary biology.

What is the evolutionary origin?

Evolutionary origin refers to the beginning of life and how different organisms have evolved and changed over time. Researchers study the evolutionary origin of living organisms to understand how organisms have adapted to their environment and how life on Earth has changed over time.

Evolutionary origin of all three domains

LUCA, or Last Universal Common Ancestor, is thought to be the ancestor from which all three domains, Bacteria, Archaea, and Eukarya, evolved. They all have different characteristics, but they are all based on the same fundamental concepts.

Therefore, the correct option d. All of these domains evolved from a shared ancestor known as LUCA.

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A scientist at the polar ice cap was studying an ice sample from hundreds of meters below the surface. While examining the ice, the scientist found some cells. Using an electron microscope, the scientist identified these cell structures: a cytoskeleton, mitochondria, nucleus, cell wall and ribosomes.

To which Domain do these cells belong?

Answers

Based on the presence of cell structures such as cytoskeleton, mitochondria, nucleus, cell wall, and ribosomes, these cells likely belong to the Domain Eukarya.

Based on the presence of specific cell structures, we can determine the Domain to which these cells belong. Let's analyze each cell structure:

Cytoskeleton: The cytoskeleton is a network of protein filaments that provides structural support to cells. It is found in eukaryotic cells.Mitochondria: Mitochondria are membrane-bound organelles responsible for energy production through cellular respiration. They are present in eukaryotic cells.Nucleus: The nucleus is a membrane-bound organelle that contains the genetic material (DNA) of the cell. It is found in eukaryotic cells.Cell wall: The cell wall is a rigid outer layer that provides support and protection to the cell. In this case, the presence of a cell wall suggests that the cells belong to the Domain Bacteria or Domain Archaea.Ribosomes: Ribosomes are involved in protein synthesis and can be found in cells of all domains.

Considering that the cells possess a cytoskeleton, mitochondria, nucleus, and ribosomes, they are eukaryotic cells. Therefore, the cells belong to the Domain Eukarya.

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When we begin to complain, we disable the part of our brain that is responsible forA. HappinessB. CreativenessC. Problem solvingD. Positivity

Answers

When we begin to complain, we disable the part of our brain that is responsible for Problem solving.

The definition of a brain is an interior organ with soft nerve tissues. Thus, in vertebrates or mammals like humans, a brain is primarily found inside the skull.Basically, a brain in a human person is in charge of the following processes:

Co-ordinated nervous system activity.

Increase in intelligence

Control of sensation.

Logic for addressing problems.

However, when a person starts to complain, they shut down the area of their brains that is in charge of problem-solving skills.In order to keep your brain's area responsible for problem-solving functional, you should refrain from complaining.

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How is the modern classification system different than an original classification system?

Answers

On the other hand, the modern system of classification does not only study the observable features but it also traces the evolutionary line and relationships between organisms to classify them into larger categories or clades.

which statement is true of all scientific laws

Answers

Answer:

The law guiding cells

Explanation:

Everything under the objective are true

Scientific laws describe observed patterns in nature, are concise and universal, while theories explain and provide comprehensive explanations based on evidence.

All scientific laws share the common characteristic of describing fundamental principles that govern natural phenomena.

Empirical Generalization: Scientific laws are derived from empirical observations and experimental evidence. They summarize repeated patterns or relationships observed in nature.Concise Formulation: Laws are expressed in concise, precise, and often mathematical statements. They aim to capture the fundamental essence of a phenomenon in a succinct manner.Predictive Power: Laws enable predictions by providing a reliable framework for anticipating future events or behaviors. They allow scientists to make accurate forecasts based on the principles described by the law.

Scientific theories, on the other hand, are broader explanatory frameworks that integrate multiple laws, principles, and empirical evidence. They seek to provide comprehensive explanations for phenomena, going beyond descriptive statements. Theories encompass a wider scope, incorporate various hypotheses, and aim to understand the underlying mechanisms and causal relationships involved. They are subject to revision and refinement based on new evidence or insights.

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The complete question may be like:

What common characteristic do all scientific laws share, and how does it distinguish them from scientific theories?

The main component of the white matter of the brain is?​

Answers

White matter is found in the deeper tissues of the brain, It contains nerve fibers (axons), which are extensions of nerve cells Many of these nerve fibers are surrounded by a type of sheath or covering called myelin. Myelin gives the white matter its color.

Discuss the function of hemoglobin in human body and the consequences of hemoglobin
deficiency

Answers

Hemoglobin: The high iron-containing protein in red blood cells (RBCs) is known as hemoglobin. This gives the blood a red color.

It has two main functions: it carries oxygen from the lungs to tissues of the body, and it carries carbon dioxide from cells back to the lungs for excretion.

Functions of hemoglobin:

Hemoglobin is the main reason for the red color in our blood.Hemoglobin carries oxygen and carbon dioxide. Hemoglobin interacts with other ligands.Hemoglobin plays a crucial role in maintaining the shape of red blood cells.

Consequences of hemoglobin deficiency:

Hemoglobin deficiency leads to having fewer red blood cells and causes anemia.It is found in red blood cells and acts as a carrier of oxygen and carbon dioxide.Low levels of hemoglobin in the blood cause parts of the body to function more slowly and weaken due to reduced oxygenation.

Hemoglobin deficiency reduces the blood's oxygen-carrying capacity.

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What is the airspeed velocity of an unladen swallow (clearly not a Monty Python reference :D)?

Answers

About 27 mph for a European swallow

Explanation:

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sherman corporation purchases land for $100,000. sherman incurs the following costs associated with the land acquisition: property taxes for current year $3,000 cost of removing old building 7,000 title insurance 1,000 cost of grading 4,000 delinquent property taxes 2,000 what is the cost that sherman should capitalize in the cost of land? When a decision is made based on a simple majority vote it is possible for the total benefits to the community of this decision to be less than the total costs to the community of this decision. True False Calculate the work performed by a constant force of magnitude F pushing a block a distance S along a horizontal surface at an angle 8 with the vertical as shown in the Figure where F= 120 N, S = 15 m and 0 = 90, respectively The duration of a 5-year zero coupon bond is ____ years with a YTM of 4.5%. a. 5. b. 5.5. c. 9.5. d. 4.5. Instead of collecting silver or gold for taxes, the Incas demanded a tax ofCaptives of warLaborO Maize/CornVolcanic glass Read the passage.excerpt from Queen of the Falls by Chris Van AllsburgThe men rowed away from the island, drawing close to the "Point of No Return," a place where the river ran so quickly on its way to the falls that no boat could escape its pull.Fred Truesdale tapped on the barrel with his oar and told Annie he was going to cut the rope. Her muffled voice answered back, "All righty." The line was cut and the two boatmen rowed with all their strength, fighting the fierce current that quickly stole the barrel away.QuestionBased on the details in the passage, what can readers infer about the task of placing Annie's barrel in the river?ResponsesIt does not happen as planned.It does not happen as planned.It is the least risky part of the stunt.It is the least risky part of the stunt.It is difficult and dangerous.It is difficult and dangerous.It is not something Fred wants to do Someone help now okease which finding in a 4-month-old baby would raise concern regarding the development of social skills and cognition Given the curve y = x and the line y = 4x in quadrant 1 Find the moment of R with respect to the x-axis M of the region bounded by the curve and line. Write your answer in the form numerator, denominator. 11 For example, is written 11,3 and 9 is written 9,1 Based on the scatter plot which is the best prediction of the number of gallons of water used by this business when the cost of water is $180 What is a good thesis statement for coral reefs? Suppose that a random sample of recently sold houses in a certain city has a mean sales price of , with a standard deviation of. Under the assumption that house prices are normally distributed, find a confidence interval for the mean sales price of all houses in this city. Give the lower limit and upper limit of the confidence interval What does the acronym EDI stand for ? a ) Electronic data interchange b ) Electronic duty interruption c ) Estimated duration indication Extreme data interchange d ) Solve the exponential equation 2^x+10 = 18 In a full paragraph(4-5 sentences), list what major historical event this political cartoon is referring to and explain what argument the artist is making. help please, struggling Ashley's fish tank has 15 liters of water in it. She plans to add 4 liters per minute until the tank has at least 59 liters. What are the possible numbers of minutes Ashley could add water?User for the number of minutes.Write your answer as an inequality solved for t. Gavin needs $80 to buy a fish tank. He has saved $8 and plans to work as a babysitter to earn $9 per hour.Which inequality shows the minimum number of hours, n, that Gavin should work as a babysitter to earnenough to buy the fish tank? (5 points)O 8 + 9n z 80, so n z 88 + 9n s 80, so n 8) 9n z 80 + 8, so n z 9.8O Ins 80 + 8, so n $ 9.8 The ________ authorized the federal government to establish and enforce occupational safety and health standards for all places of employment engaging in interstate commerce. a motor is most powerful, when the: group of answer choices the workload is longer the workload is shorter time interval for the work is shorter.