Based on the investigation, the student group decides to add a larger number of earthworms to their flower garden. Which statement best explains whether these data are being applied correctly?
The garden is a less stable system, and the results can be easily duplicated.
The garden is a less stable system, and the results can be easily duplicated.
The garden is a more stable system, and the results cannot be easily duplicated.
The garden is a more stable system, and the results cannot be easily duplicated.
The variables are similar, and you can expect the same results in the potted plant and the flower garden without collecting more data.
The variables are similar, and you can expect the same results in the potted plant and the flower garden without collecting more data.
The variables are different, so you cannot expect the same results in the potted plant and the flower garden without collecting more data.
Answers
The statement which best explains whether these data are being applied correctly is: the variables are similar, and you can expect the same results in thecand the flower garden without collecting more data option C.
What is are variables?Variables in an experiment are those factors which can easily be manipulated by the researcher and in which if changes occur in them, it results in changes in the subject of the study.
Variables are either;
constant,dependent, or independent.The experiment by the students makes use of earthworms as the independent variable on which plant growth depends on. The variables used are similar as can be found in a garden.
Based on the results obtained, plants with earthworm grow better than that without earthworm.
Thus, the best statement based on the results obtained is that the variables are similar, and you can expect the same results in the potted plant and the flower garden without collecting more data.
In conclusion, the variables in the experiment are the same in the potted plants as can be found in a garden.
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Related Questions
Which type of lipids are the most abundant in the plasma membrane?
a. phospholipids
b. glycolipids
c. sterols
d. triacylglycerides
Answers
Phospholipids type of lipids are the most abundant in the plasma membrane.
What is phospholipids?Phospholipids are a subclass of lipids that have two hydrophobic "tails" made of fatty acids connected by an alcohol residue, one of which is a hydrophilic "head" containing a phosphate group. Omega-3 fatty acids EPA and DHA are frequently incorporated into the phospholipid molecule of marine phospholipids.Phospholipids are compound lipids made of alcohol, fatty acids, nitrogen base, and phosphoric acids. These intricate lipids, which also give the membranes their fluidity, make up the majority of the cell membrane.A class of polar lipids known as phospholipids (PL) is made up of two fatty acids, a glycerol unit, and a phosphate group that is esterified to an organic molecule (X) like choline, ethanolamine, inositol, etc.Esters of glycerol, fatty acids, phosphoric acid, and other alcohols make up phospholipids. Phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, and phosphatidylserine are the four most prevalent phospholipids.Learn more about phospholipid here:
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The _____ stage lasts approximately _____ week(s), beginning at conception.
a. fetal; 9
b. embryonic; 4
c. neonatal; 1
d. germinal; 2
Answers
The embryonic stage lasts approximately 4 week(s), beginning at conception. Details about stages of development can be found below.
What are the stages of development?The stages of development of a human is summarized into four stages as follows:
Embryonic stageGerminal stageFetal stageIn the embryonic stage of development, which occurs after conception, the baby is called an embryo. Embryonic stage lasts 4 weeks.
During the embryonic stage, the cells of the embryo (called embryonic stem cells) multiply and develop. They become the hundreds of different types of cells needed to make a whole human body.
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What manages muscles and prevents injury by monitoring the rate of muscle contraction?
Answers
Golgi tendon organ manages muscles and prevents injury by monitoring the rate of muscle contraction.
What is the Golgi tendon organ? What is its primary function?
Sensory organs called Golgi tendon organs (GTOs) are found in the tendon next to the myotendinous junction. The Golgi tendon organ, which is located close to the point where a tendon joins a muscle, is a sensory ending that resembles a tree and is encased in a spindle-shaped connective tissue capsule.
The Golgi tendon organ is the sensory organ that determines how much tension the muscle is exerting when someone lifts weights. The Golgi tendon organ will prevent the muscle from producing any force (by a reflex arc) if there is excessive muscle tension, preventing you from harming yourself. Together, these monitor muscle length via the muscle spindles.
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What is an example of a virulence factor that is related to immune system evasion?
Answers
Example: The following TLR recognition avoidance, adhesins that impact immune response, and resistance to host defenses peptides and polypeptides are examples of aureus virulence factors involved in immune evasion in the early stages of infection.
Given the issues with S. aureus antibiotic resistance, studies of innate immune responses and their role against S. aureus are crucial in human and veterinary health.
These data are also required to create effective S. aureus vaccines or compounds since the bacterium can control the immune response.
What are Virulence Factors?The virulence factors affect a pathogen's capacity to harm or infect its host tissues.
These are frequently chemicals produced by the bacterium or virus and encoded in their genome, but they can also be ingested from the environment through genetic elements that are transmittable.
Because bacteria and viruses obviously differ in their makeup, their virulence factors can also be very different.
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In which type of nondisjunction could the two copies of a chromosome in a gamete be heterozygous?.
Answers
Gametes with two heterozygous copies of a chromosome may result from nondisjunction in either meiotic division.
What three types of nondisjunction are there?Nondisjunction can take one of three different forms: failing to separate a homologous pair of chromosomes during meiosis I; failing to separate sister chromatids during meiosis II; or failing to separate sister chromatids during mitosis.
How can you tell whether nondisjunction takes place in meiosis 1 or 2?Nondisjunction, which can lead to an aberrant amount of chromosome-bearing gametes, can happen during meiosis I and meiosis II. The primary distinction between nondisjunction in meiosis 1 and 2 is that whereas sister chromatids fail to separate in meiosis II, homologous chromosomes fail to separate during meiosis 1.What are mitotic and meiotic divisions?Mitosis and meiosis are the two distinct processes of cell division.When people talk about "cell division," they typically mean mitosis, which is the process of creating new cells for the body. The cell division process known as meiosis is what produces egg and sperm cells. A vital process for life is mitosis.learn more about Nondisjunction during meiosis here
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HELP PLS!! (I NEED ANSWERS BY TOMORROW PLEASEEEE) Kerry was investigating how the angle of incidence of radiant energy on a surface affects the rate of temperature rise of the surface. A paper pocket holding a thermometer was placed near a lamp. The paper pocket was then placed at various angles so that the angle of incidence of the radiant energy varied. Kerry made sure the distance to the lamp was the same for each of his trials. The following table shows the data recorded by Kerry. Using the data, describe the relation between the angle of incidence and the rate of temperature change.
Answers
Answer:
Hey there!
Explanation:
This is ur answer....
Refer to the attached pics...Hope it helps!
Brainliest pls!
Have a good day!^^
Which diagnostic test assesses blood flow in the retina after injection of a dye?
Answers
Fluorescein angiography is an eye test that uses a special dye and camera to look at blood flow in the retina and choroid.
A fluorescein angiogram looks at the blood vessels and the lining at the back of your eye (the retina). This test can pick up changes in the condition of your eyes. It can help the specialist make a diagnosis or tell them how well treatment is working.
Although commonly referred to as fluorescein, the dye used for fluorescein angiography is actually fluorescein sodium (C20 H10 Na2 O5). It is the water-soluble salt of fluorescein, also known as resorcinolphthalein sodium.
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What does it mean when we say that genetic factors influence what dose of a drug will be safest and most effective for you?
Answers
Genetic factors influence what dose of a drug will be safest and most effective for you It means different people frequently react differently to the same medication therapy.
The physiological processes that make up the drug disposal process are intricate and start happening as soon as the medication is administered. The medicine is carried up by the body and delivered to the locations that need it. There, it interacts with cellular elements like receptors and enzymes to undergo additional metabolization before being eliminated from the body.
Genetic diversity has the potential to change an individual's therapeutic response at any moment along this process and result in a negative medication reaction (ADR). According to estimates, genetic diversity accounts for 20 to 95 per cent of the variability in drug disposition, such as ADRs.
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Landfills are advantageous for waste
disposal for many reasons. Which of the
following is an advantage of landfills?
A. They have cheaper disposal fees.
B. They are very expensive.
C. They are high maintenance.
D. They produce little to no smell.
Answers
Answer:
The correct option is A.
They have cheaper disposal fees.
For newborns, the penetration depth of safety lancets for blood collection must be?
Answers
For newborns, the penetration depth of safety lancets for blood collection must be 0.85 mm
Safety lancets are single-use, sterile instruments used to draw blood from capillaries. Healthcare professionals and lay consumers are the intended users, depending on the safety lancets type.
Blood collection is a procedure where blood is drawn from a vein using a needle, typically for laboratory testing. Phlebotomy can also be used to treat some blood problems by removing extra red blood cells from the blood. Blood collection is taken from donors so that it can be used for a variety of medicinal purposes.
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Which ion species is a cell membrane (such as a neuron) most permeable to at rest (i. e. , resting membrane potential)?
Answers
The cell membrane is most permeable to potassium ions at the resting membrane potential.
What is resting membrane potential?The difference in the membrane potential between the inside of a cell and the outside of a cell is called resting membrane potential. This is usually 30 to 90 mV with the inside of the cell being more negative compared to the outside of the cell.
Because of the potential difference across the cell membrane, it is said to be polarized. In a condition where the membrane potential becomes more positive than the resting membrane potential, the membrane becomes depolarized. In a condition where membrane potential becomes more negative compared to the resting membrane potential, it becomes hyperpolarized.
All electrical signals used by the neurons are either due to depolarization or hyperpolarization from the resting membrane potential.
This resting membrane potential is determined by the movement of potassium ions across the membrane.
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At the end of meiosis i, there are two haploid cells, each with two sister chromatids per chromosome. True or false?.
Answers
Answer:
True
Explanation:
True.
At the end of meiosis I, there are two haploid cells.
What is the process of meiosis I?
Meiosis I refers to the initial nuclear division that takes place when gametes are formed. Due to the fact that the resulting cells have half as many chromosomes as the parent cell, it is also referred to as the reduction division. Prophase I, Metaphase I, Anaphase I, and Telophase I are the four phases that make up Meiosis I.
Prophase I:
The chromosomes condense during prophase I and become apparent inside the nucleus. Following this chromosomal condensation, each chromosome pair's members align adjacent to one another and are referred to as homologous chromosomes because of their identical size and gene content.
At this stage, a mechanism known as synaptic attachment occurs between the two chromosomes in each pair along their lengths. Then, while the homologous chromosomes are tightly coupled, the individuals within each pair cross over, also known as recombination, to exchange neighboring pieces of DNA. The nuclear membrane eventually starts to deteriorate after the conclusion of prophase I.
Metaphase I:
Microtubules leave the spindle at the beginning of metaphase I and join the kinetochore close to the centromere of each chromosome. In specifically, microtubules from one spindle side bind to one chromosome while those from the other spindle side adhere to the other chromosome in each homologous pair. The chromosomal pairs subsequently align themselves along the equator of the cell, forming the metaphase plate, with the assistance of these microtubules.
Anaphase I:
The homologous chromosomes are separated during anaphase I by the disintegration and contraction of the microtubules, which causes the two chromosomes in each pair to be drawn toward the opposite ends of the cell. Because of this division, each daughter cell that emerges from meiosis I will have half as many chromosomes following interphase as the original parent cell. Additionally, each chromosome's sister chromatid still has a connection.
Telophase I:
In telophase I, the cytoplasm organizes and separates into two as the new chromosomes approach the spindle. Now there are two cells, and each one has half as many chromosomes as its parent cell did. The recombination that took place during prophase I also caused the two daughter cells to not be genetically identical to one another.
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Bacterial and archaeal ribosomes are known as _________ ribosomes, based on their sedimentation coefficient.
Answers
Bacterial and archaeal ribosomes are known as 70s ribosomes, based on their sedimentation coefficient.
The process of making proteins in a cell takes place at an intercellular structure called a ribosome, which is formed of both RNA and protein. The messenger RNA (mRNA) sequence is read by the ribosome, which then converts the genetic code into a specific string of amino acids that develop into extended chains and fold to create proteins. As a compound of RNA and protein, a ribosome is also referred to as a ribonucleoprotein. It is made up of two smaller and larger subunits. The bigger subunit is where the amino acids are added, and the smaller subunit is where the mRNA binds and is decoded. Protein and ribonucleic acid are both present in both subunits.
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which of the following statements is true about Charles Darwin? A. He supported Lamarck’s theory of evolution. B. He believed evolution occurred in each individual organism. C. None of these. D. He understood natural variation occurs from mutations in DNA.
Answers
Answer:
He supported Lamarck’s theory of evolution.
Charles Darwin was a scientist who discovered the theory of evolution. He understood that variation occurs through mutations, the correct answer is option D.
Natural selection, which he explained, explains how species change over time. Darwin understood that variation within a population is essential for evolution to occur, despite not having knowledge of DNA or genetics.
In "On the Origin of Species," Darwin outlined how variation within species results from random variations in individual traits. Future generations may inherit and carry on these variations. Positive variations in a population may increase in frequency over time, resulting in the emergence of new species.
Despite not knowing about DNA mutations, Darwin's understanding of variation laid the groundwork for our current understanding of genetics and the role that mutations play in driving evolutionary change.
Therefore, the correct answer is option D.
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What extended schleiden's hypothesis by suggesting that animal tissue was made up of cells?
Answers
Theodore Schwann extended Schleiden's hypothesis by suggesting that animal tissue was made up of cells.
What is the cell theory?The cell theory is the theory that states living things are composed of basic units of life called cells.
The cell theory was first developed by Schleiden who observed animals through a microscope.
The cell theory was then further developed by Theodore Schwann based on Schleiden's hypothesis.
The cell theory developed by Theodore Schwann states that:
All organisms are made of cellsCells are the basic units of life.All cells come from preexisting cells that have multipliedThis cell theory has been used to develop the modern theories about cells.
In conclusion, the cell theory is the theory which states that all living things are made up of cells and that cells are the basic unit of life.
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Diluting a pollutant over and
over until it is very difficult to
detect is known as which of
theses processes?
A. serial dilution
B. oxidation reaction
C. reduction reaction
D. incredible dilution
Answers
Professor basco is lecturing about the nervous system. he tells the class that the role of the pituitary gland is to make and release _____ into ______.
Answers
Answer:
The pituitary gland makes, stores and releases
hormones. The pituitary gland is located at the base of your brain below your hypothalamus
The main function of your pituitary gland is to produce and
release several hormones that help carry out important
bodily functions, including: Growth. Metabolism (how your
body transforms and manages the energy from the food
you eat). Reproduction.
Nature, allolactose serves as the inducer in the wild-type lac operon. for this experiment, you used iptg as the inducer. why is it so important to our experiment that iptg is not metabolized?
Answers
Nature, allolactose serves as the inducer in the wild-type lac operon. for this experiment, you used IPTG as the inducer. It is so important to our experiment that iptg is not metabolized the bacterial cells can't process IPTG since it is not the right substrate for the lactose metabolic pathways.
what is allolactose ?
A disaccharide like lactose is allolactose. Instead of the 1-4 linkage of lactose, it consists of the monosaccharides D-galactose and D-glucose joined through a 1-6 glycosidic linkage.
what is IPTG ?
A molecular biology tool is isopropyl d-1-thiogalactopyranoside. This substance is utilized to promote protein expression in situations where the lac operator controls the gene because it is a chemical mimic of allolactose.
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Ostriches don’t use their wings for flight, but they do use them for other functions, such as mating rituals and balance. many ancestors of ostriches did fly. what can you conclude about ostrich behavior from this information?
Answers
__________ refers to deterioration of intellectual abilities caused by an organic brain disorder.
Answers
Dementia refers to deterioration of intellectual abilities caused by an organic brain disorder.
What is dementia?In dementia, a person loses memory, has trouble in reasoning and solving problems and other such symptoms which interfere in the normal activities of an individual. It is caused due to brain cell damage which hinders the brain cells in interacting with each other while generating responses.Dementia is not a distinct disease but is caused due to a variety of medical conditions especially Alzheimer’s disease.Symptoms can be managed by medications and therapy but there is no proper cure of dementia in later stages.Certain factors which increase the risk of dementia are smoking, diabetes, aging, alcohol abuse.A person even has difficulties in remembering the name of close ones.Learn more about dementia here:
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When a portion of a chromosome breaks off and attaches to a different chromosome this is called a:_______
Answers
Answer:
Translocation
Explanation:
What is the maximum number of white blood cells allowed in a leukocyte-reduced unit of red blood cells?
Answers
Answer:
8
Explanation:
What is the number of white blood cells permitted in a unit of leukoreduced red cells? 8 g/dL owing to chemotherapy with a drug known to cause bone marrow depression and immunodeficiency.
Economic growth provides society ______. multiple select question. greater material abundance fewer goods and services more goods and services higher living standards a lower quality of goods
Answers
Economic growth provides society more goods and services.
So, option third is correct one.
The economic growth increases state capacity and the supply of public growth. When economies grow , states can tax that revenue and gain the capacity and resources that needed to provide public goods and service that citizen needs like education , healthcare facilities , social protection and other basic public services which helps in development of the societies. It can also increases in capital goods , labor force , technology, and human capital can all contribute to economic growth.
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What is the end result of each of these three major steps during cellular respiration?
Answers
The end result of each of these three major steps during cellular respiration are here:
Glycolysis - 2 molecules of pyruvic acid and 2 ATP.
Kreb's cycle - 6NADH, [tex]FADH_{2}[/tex], and 2 ATP and [tex]4CO_{2}[/tex].
Oxidative phospholyration - ATP and water.
What is Glycolysis?In the process of glycolysis, the six-carbon sugar molecule glucose is split into two molecules with three carbons (pyruvic acid). Two molecules of ATP are produced when the energy from the broken bonds is caught.What is Kreb's cycle?The three-carbon molecules produced by glycolysis are converted into carbon dioxide molecules by the Krebs cycle. ATP and NADH are produced as an electron donor via the Krebs cycle as well as glycolysis.What is oxidative phosphorylation?Water is created by combining oxygen with the hydrogen atoms of NADH in the electron transport chain. Energy is constantly being taken in during electron transit to create ATP. The procedure is occasionally referred to as oxidative phosphorylation since it needs oxygen.Learn more about cellular respiration here:
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Maintaining osmolarity is important to the body because the membranes of most cell types are freely permeable to ____. anions water proteins cations mastering
Answers
Maintaining osmolarity is important to the body because the membranes of most cell types are freely permeable to water.
Water can pass through the membrane easily by a process like diffusion called as Osmosis.
The cell wall is freely permeable to water and nutrients since these are easily exchanged by the inner and the outer environment of the cell.
Osmolarity of the body is defined as the measure of substances that can be dissolved. If excess concentration is present then, osmolarity is also high.
Osmolarity of body increases whenever we are lacking water i.e. dehydrated and similarly osmolarity decreases when we have excess fluid in the blood.
Osmolarity increase causes a release of Anti diuretic hormones i.e. they control water level in the body. Osmosis play a vital role in the functioning of the reactions that are carried out in the body.
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_________________ was the first to describe that traits inherited from parents and adaptations to environment shaped organisms.
Answers
Buffon was the first to describe traits inherited from parents and adaptations to environment-shaped organisms.
What was the idea proposed by Buffon?The fundamental tenet of contemporary evolutionary theory is that species evolve with time, according to Buffon. Comparative anatomy, a method he developed for comparing comparable features in various species, is still employed today to research evolution and is covered in the section on proof for evolution.
Despite the fact that Buffon's findings convinced him that species do indeed change through time, he was unable to suggest a mechanism for how this transition happened.
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Shiga toxin kills cells by preventing protein synthesis.
a. true
b. false
Answers
Unrepaired single-stranded dna breaks can lead to double-stranded dna breaks during the next round of replication. Which repair pathway would be most appropriate for repairing double-stranded dna breaks?.
Answers
Nonhomologous end joining would be most appropriate for repairing double-stranded DNA breaks.
How are double stranded breaks in DNA repair?Homologous recombination and nonhomologous DNA end joining are the two main mechanisms for mending double-strand DNA breaks, which often occur in eukaryotic cells.DNA ends that need to be repaired have a different chemistry as a result of the many causes of DSBs.The enzymes of the NHEJ pathway display a remarkable level of structural tolerance in the variety of DNA end substrate configurations upon which they may function over the course of NHEJ development.The nuclease, polymerases, and ligases of NHEJ are the most versatile and mechanistically adaptable enzymes in each of their classes in vertebrate cells.To learn more about double-stranded DNA breaks from the given link
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The dried pericarp that forms the peanut shell provides evidence that peanuts are?
Answers
Answer:
legumes
Explanation:
Pharmaceutical companies are increasingly interested in the orexin system. Which of these depressed patients would benefit most from an orexin-like drug?
Answer choices:
A patient who sleeps a lot but still feels tired in the morning
A patient who reports sluggishness and lethargy which impacts their daytime work
A patient who deals with extreme irritability and fear at everyday situations
A patient who thinks poorly of themselves and can't stop fixating on it
Answers
Pharmaceutical companies are increasingly interested in the orexin system for a patient who reports sluggishness and lethargy which impacts their daytime work
A syndrome when victims are unable to sustain regular levels of daytime wakefulness We have made significant advancements in our comprehension of the physiology and operation of the orexin system since these early foundational studies. For instance, the orexin system has been recognized as a crucial modulator of attention, arousal, reward, and neuroendocrine function. Notably, research on animals indicates that orexin function dysregulation is linked to neuropsychiatric conditions including addiction and mood disorders like despair and anxiety.
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