Answer:
atoms
Explanation:
Atoms of different elements can combine to make new substances. A molecule is formed when two or more atoms join together chemically. If atoms combine that are of two or more different elements, we call that a compound.
Atoms and molecules are combined to form various substances of matter.
What is matter?A material called matter is made up of several kinds of particles, occupies space, and has inertia. The many sorts of particles each have a unique mass and size according to the fundamentals of current physics.
The electron, proton, and neutron are the three types of material particles that are most well-known. Atoms are made up of combinations of these particles.
The building components of matter are called atoms. A molecule is created from a group of atoms. The bulk matter of everyday existence in the physical universe is made up of large clusters of atoms and molecules. The periodic chart lists more than 100 different types of atoms, each of which represents a different chemical element.
To create a compound, atoms and/or molecules from two or more different elements can come together. The substance that makes up matter may not represent any of the original components.
Therefore, atoms and molecules are combined to form various substances of matter.
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How are ions and small polar molecules such as glucose able to move across plasma membranes?
A) osmosis
B) endocytosis
C) using a transport protein
D) through gaps in the phospholipid bilayer
Answer:
Answer is C
Explanation:
Although ions and most polar molecules cannot diffuse across a lipid bilayer, many such molecules (such as glucose) are able to cross cell membranes. These molecules pass across membranes via the action of specific transmembrane proteins, which act as transporters.
fill in the blank. one way to increase formant frequency is to____________ the vocal tract at a place where the standing wave of a formant frequency exhibits minimum-amplitude pressure oscillations.
One way to increase formant frequency is to narrow the vocal tract at a place where the standing wave of a formant frequency exhibits minimum-amplitude pressure oscillations.
Formant frequencies are the resonant frequencies of the vocal tract, and they play a crucial role in speech production. By narrowing the vocal tract at a place where the standing wave of a formant frequency exhibits minimum-amplitude pressure oscillations, the formant frequency can be increased. This is because the narrowing of the vocal tract causes an increase in the velocity of the air particles, which in turn increases the frequency of the standing wave. As a result, the formant frequency is increased.
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Explain reproduction in gymnosperms. Biology
Under certain external conditions, a person will perspire a great deal. For which internal condition does this response primarily provide homeostasis?
Answer:
Abnormally high temperature
Explanation:
Sweating or perspiration is a homeostatic response to abnormally high body temperature. Evaporation of the sweat causes cooling of the body and this causes the temperature of the body to return back to normal.
When the setpoint temperature of the body is breached by being too high, the negative feedback mechanism kicks-in, and the sweat glands of the skin becomes activated. The body sweats, and the evaporation of the sweat from the surface of the skin causes cooling and a return back to the setpoint.
Would it take more or less generations for a larger population to acquire a fixed allele? Explain why.
Plzzzz HELP
Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.Drift is more pronounced in such populations, because smaller populations have ... To get a feel for genetic drift, consider a population at Hardy-Weinberg ... the probability that the allele frequencies will remain unchanged is higher for the ... The number of breeding individuals is constant from one generation to the next.
Flag questionTransfer RNAs (tRNA) are produced through transcriptionof tRNA "genes" (DNA).It is of course essential that the tRNAs produced havecorrect ribonucleotide sequences so that (i) they arerecognised by the correct aminoacyl tRNA synthetase and(ii) they have an anticodon that matches them to thecorrect mRNA codon during translation.ESTSAssume the DNA encoding one of the tRNAs for the aminoacid tryptophan has been mutated and instead of itsanticodon sequence reading 5'-CCA-3' (correct), it nowreads 5'-TCA-3' (incorrect).What will be the effect on protein synthesis? Explainbriefly.TEEK 11CEK 11
It would depend on whether the modified codon code for the same amino acid or not. If it does not code for the same amino acid, then the protein would be different, and in some cases, it can cause a problem with its function, mostly if this modification is found on the interaction site of the protein with other components.
Which of the following statements is true about the life cycle of animals?
a. The gametes are the diploid phase of the life cycle.
b.The gametes are the haploid phase of the animals life cycle.
c. Meiosis is not a necessary component of the animal life cycle.
d. The products of the haploid phase of the life cycle are larger than those of the diploid phase.
Among the given options, statement b. "The gametes are the haploid phase of the animal's life cycle" is true.
In the life cycle of animals, the gametes (sperm and egg cells) are the reproductive cells involved in sexual reproduction. Gametes are produced through a specialized cell division called meiosis, which reduces the chromosome number by half, resulting in haploid cells.
During sexual reproduction, haploid gametes from two parents combine to form a diploid zygote, which then develops into an organism. The zygote undergoes mitotic cell divisions, growing into a multicellular organism, and the diploid phase of the life cycle begins.
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will give brainliest
Answer:D or the last one
Explanation:The last one made the most sense seeing that now the top layer is only the big long mollusk.A would work but thinking of it D makes most sense
What is diffusion on
Answer:
diffusion is process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
Explanation:
A familiar example is the perfume of a flower that quickly permeates the still air of a room. ion diffusion across a semipermeable membrane.
What is the Purpose of the "DNA extraction liquid"?
Answer:
plase bear with me i know this is a long answer
Explanation:
The purpose of DNA extraction liquid is to break open cells and dissolve cellular membranes, proteins, and other cellular components in order to release DNA from the cell. This is an essential step in DNA extraction procedures, as DNA is tightly packed within the cell and needs to be isolated and purified for further analysis.
There are many different types of DNA extraction liquids that can be used depending on the type of sample and the downstream application. Commonly used extraction liquids include phenol-chloroform, ethanol, and various commercial kits that utilize a variety of chemical agents and protocols.
The DNA extraction liquid typically contains a combination of reagents that help to disrupt the cell membrane and denature cellular proteins, allowing the DNA to be released and separated from other cellular components. These reagents can include detergents, salts, enzymes, and organic solvents. After the DNA has been released from the cell, it can be further purified using various methods, such as precipitation or column-based purification, depending on the specific application.
In summary, the purpose of DNA extraction liquid is to break open cells and release the DNA for further analysis. It is a critical step in many molecular biology and biotechnology applications, including genetic research, diagnosis of genetic diseases, and forensic analysis.
Hope this helps!!
Which diagram best illustrates why theories can be changed or replaced?
Answer:
I still think it's a last one
Answer: the second one
Explanation: I took the quiz loll
how a plant might make the products of photosynthesis (c6h1206 + 602) from the reactants (6c02 + 6h20
Answer:
by water and sun
Explanation:
please brilliant me and thank me thanxs
Jorge is drawing an atomic model. The part of the atom that he has drawn is shown below. What does Jorge need to add to complete his atomic model?
Answer:
An atom is the smallest particle in a chemical element that holds its chemical properties. Although in the past it was thought impossible to break an atom, within modern chemistry we know that an atom is composed of subatomic particles, which compose the atomic model:
1) electrons, which have a negative charge, such a small size that it is immeasurable, and a mass much smaller than the other two subatomic particles; 2) protons, which have a positive charge; and 3) neutrons, which have no charge.
The protons and neutrons form a dense and massive atomic nucleus, which is called multipons nuclei. The electrons form a cloud of electrons that surround the nucleus.
PLEASE HAALLLPPP SUPER IMPOTANT PLEASE PLEASE HELP
Larger companies often need many workers who do different steps in the transportation process, instead of each member doing all steps in the process they do a single step before handing it to another worker to do the next step.
Imagine that you are the head of a large company that wants to retrieve raw materials. In three to five sentences, describe three different jobs your company may need and explain the purpose of those jobs.
The Exploration Geologist, Mining Engineer and Procurement Manager are all jobs that may be involved in the process.
How would you carry out division of labor in this case?Exploration Geologist: An exploration geologist is responsible for finding and evaluating potential sites for raw material extraction. They use geological surveys and data analysis to determine the presence and quality of minerals and other resources in a particular area.
Mining Engineer: A mining engineer is responsible for designing and overseeing the construction of the mine and the extraction process. They ensure that the mine is safe and efficient and that the extraction process is carried out in an environmentally responsible manner.
Procurement Manager: A procurement manager is responsible for purchasing the necessary equipment, supplies, and services required for the mining operations. They work closely with suppliers to ensure that the company has access to the materials and resources it needs to extract the raw materials effectively and efficiently.
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definiton of
metabolism and homeostasis.
Answer:
um it means ur just skinnyyy
Explanation:
b) Which part of the seed makes up the major portion of a bean seed? ______. c) State the use of this part of the bean seed for the embryo.______. d) Which part of the seed makes up the major portion of a corn seed? ______. e) Name the use of this part of the corn seed to humans. ______. f) Certainly, plants spend energy in producing the colors and fragrances in flowers. State why the angiosperms produce flowers with these characteristics.
b) The major portion of a bean seed is made up of the cotyledons.
c) The cotyledons provide nutrients and energy for the developing embryo during germination.
d) The major portion of a corn seed is made up of the endosperm.
e) The endosperm in corn seeds is a source of carbohydrates and nutrients for humans, making it a staple food in many diets.
f) Angiosperms produce flowers with colors and fragrances to attract pollinators, such as insects and birds, which aid in the process of pollination and help ensure successful reproduction for the plants.
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PLEASE HELP URGENT MATH QUESTION
QUESTION:
Which ordered pair is a solution of the equation?
y = 3x + 5
Choose 1 answer:
А-Only (2, 11)
B-Only (3, 13)
C-Both (2, 11) and (3, 13)
D-Neither
Answer:
A
Explanation:
only 2,11 is on the line
is oxygen biotic or abiotic
Answer:
abiotic
Explanation:
A hydrophilic peptide hormone is produced in the anterior pituitary gland located at the base of the brain. The hormone targets specific cells in many parts of the body. Which of the following best explains a possible mechanism that would enable the hormone to efficiently reach all of the target cells in the body? * (1 Point) The hormone moves through cytoplasmic connections between cells until it has reached all cells with the correct intracellular binding sites. The hormone interacts with the nerves at the base of the brain and directs signals to the target cells through the nervous system. The hormone is released into the bloodstream where it can be transported to all cells with the correct receptors. The hormone diffuses into target cells adjacent to the anterior pituitary gland where the hormone is degraded. Describe 1 method/way in which you can make a fruit ripen quicker (think of the video on ripening experiment) * (2 points) Enter your answer
The possible mechanism that would enable the hormone to efficiently reach all of the target cells in the body will be: The hormone is released into the bloodstream where it can be transported to all cells with the correct receptors.
Hormones are called as the chemical messengers. They are termed messengers because they travel to their site of action and initiate the function they are responsible for. Hormones regulate various functions of the body.
Receptors are the protein compounds that function to accept a molecule called ligand (specific to them) and begin the process of signaling in order to accomplish the function they are supposed to perform.
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How have modern advancements allowed this modern-day scientist to do research in a way that Darwin couldn’t?
Modern advancements have enabled this modern-day scientist to conduct research in a manner that Charles Darwin couldn't. These advancements have revolutionized various aspects of scientific investigation, providing scientists with unprecedented tools and opportunities for discovery.
1. Technological Innovations: The development of advanced laboratory equipment and tools has significantly enhanced the scientist's ability to analyze and manipulate biological samples. From high-resolution microscopes to gene sequencing machines, these advancements allow for a more detailed examination of organisms and their genetic makeup.
2. Computational Power: The availability of powerful computers and sophisticated algorithms has transformed the field of data analysis. Modern scientists can process vast amounts of genetic data, run complex simulations, and perform intricate statistical analyses. This computational power allows for more precise and comprehensive investigations, enabling them to uncover patterns and relationships that Darwin could only dream of.
3. Collaborative Research: The advent of the internet and digital communication has facilitated global collaboration among scientists. They can share data, exchange ideas, and work together on projects regardless of geographical barriers. This collaborative approach leads to a collective accumulation of knowledge and accelerates the pace of scientific discovery.
4. Access to Information: The digital age has made a wealth of scientific literature and research readily accessible. Scientists today can access an extensive database of previous studies, allowing them to build upon existing knowledge and make more informed hypotheses. Darwin, on the other hand, had limited access to scientific literature and relied mostly on firsthand observations.
5. Interdisciplinary Approaches: Modern scientists have the advantage of interdisciplinary collaboration, combining knowledge and techniques from multiple fields. By integrating biology, physics, chemistry, and other disciplines, researchers can approach problems from different angles, leading to deeper insights and innovative solutions.
In summary, modern advancements in technology, computation, collaboration, and access to information have empowered today's scientists to conduct research in ways that were unimaginable during Darwin's time. These advancements have expanded the scope of investigation, increased precision, and accelerated the pace of scientific discovery.
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What is the purpose of a trophic pyramid?
Explanation:
An ecological pyramid (also trophic pyramid, Eltonian pyramid, energy pyramid, or sometimes food pyramid) is a graphical representation designed to show the biomass or bioproductivity at each trophic level in a given ecosystem.
What is the major difference between the position of producers and primary consumers in the food chain?
Primary consumers make up the first level of the food chain, while producers make up the
last level of the food chain.
Primary consumers make up the second level of the food chain, while producers make up the first level of the food chain.
Primary consumers make up the last level of the food chain, while producers make up the
first level of the food chain.
Primary consumers make up the second level of the food chain, while producers make up the third level of the food chain.
DNA is the genetic material that makes up living things, and folic acid plays an important role in the formation of DNA. Jon wants to study the effect of folic acid on DNA formation in microbes. Which statement accurately describe the variables in this study? A. The amount of folic acid and DNA synthesized are both dependent variables. B. The amount of folic acid and DNA synthesized are both independent variables. C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable. D. The amount of folic acid is the dependent variable, and the DNA synthesized is the independent variable. E. The amount of folic acid and DNA synthesized are neither dependent nor independent variables.
Answer:
The correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.
Explanation:
DNA is the genetic material of most of the living organisms. In this question, Joe wants to study to see the effect of folic acid on the synthesis of the DNA. Folic acid ae the essential nutrients or vitamin for the synthesis of nitrogen bases of the DNA that are purines and pyrimidines. A dependent variable and an independent variable are two important part of any experiment.
A dependent variable is a variable being tested and measured. In the experiment Jon is conducting, the amount of DNA becomes a dependent variable that is being tested and measured in the presence of folic acid. And folic acid is the independent variable tested to check the formation of DNA in bacteria.
Thus, the correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.
Answer:
The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.
Explanation:
Edmentum
Discuss how inhaling decreased amounts of o2 affects pulmonary ventilation. discuss how plasma ph affects the hemoglobin saturation curves and the amount of oxygen delivered to the tissues.
The oxygen molecule from the atmosphere enters due to inhalation. Most of these molecules are bonded to the hemoglobin protein and are delivered to the blood through an exchange system. Some of these compounds disintegrate in the bloodstream's plasma. The release of bound oxygen to maintain dissolved oxygen levels results from the decrease in dissolved oxygen in the plasma.
Hemoglobin's affinity for oxygen reduces as blood plasma's pH drops (or turns more acidic). This is because H+ ions bind to hemoglobin amino acids more frequently as blood plasma gets more acidic. The Bohr effect is a name for this. As plasma pH rises (=becomes more basic; alkaline), the situation changes.
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While walking in a park, Mia observes grasses, shrubs, wildflowers, rocks, algae, a stream, water plants, frogs, turtles, birds, a squirrel, and a snake. What is one way Mia can organize these by level of organization?
Mia can organize the elements by level of organization as individual organisms (frogs, turtles, birds, squirrel, snake), populations (group of each species), communities (grasses, shrubs, wildflowers, rocks, algae, water plants), and ecosystem (including the stream and all the components mentioned).
One way Mia can organize these elements by level of organization is by utilizing the ecological hierarchy or levels of ecological organization.
This hierarchical framework allows for the classification of living and non-living components based on their organizational complexity and interactions.
Starting from the simplest level to the most complex, Mia can organize these elements as follows:
Individual Organisms: Mia can group the frogs, turtles, birds, squirrel, and snake as individual organisms. These are distinct living entities that interact with their environment.Populations: Within the individual organisms, Mia can identify different populations such as a population of frogs, turtles, birds, squirrels, and snakes. A population refers to a group of individuals of the same species living in the same area and potentially interacting with one another.Communities: Mia can consider the grasses, shrubs, wildflowers, rocks, algae, and water plants as components of a community. A community comprises multiple populations of different species interacting and coexisting within a given area.Ecosystem: Mia can observe the stream, along with all the living and non-living components mentioned above, as an ecosystem. An ecosystem represents a community of organisms and their physical environment, including abiotic factors such as water, rocks, and soil.By organizing these elements using the ecological hierarchy, Mia can appreciate the interconnections and interdependencies among the different levels of organization within the park's natural environment.
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when a hormone binds a nuclear receptor and increases transcription, which of the following results?
a. DNA produces mRNA.
b. G proteins are activated.
c. the hormone-receptor complex causes ion channels to open or close.
d. the cell’s response is faster than when a hormone binds to a membrane-bound receptor.
e. the hormone is usually a large, water-soluble molecule.
A hormone binds a nuclear receptor and increases transcription, DNA produces mRNA. This is because nuclear receptors are found in the nucleus and regulate gene expression by binding to specific DNA sequences and increasing the transcription of genes.
The hormone-receptor complex enters the nucleus and binds to specific DNA sequences called hormone response elements (HREs).
This binding activates transcription factors that recruit RNA polymerase to the gene, resulting in the production of mRNA.
In summary, the binding of a hormone to a nuclear receptor results in the activation of transcription factors, which increase the transcription of specific genes by binding to HREs on DNA and producing mRNA. This process is slower than when a hormone binds to a membrane-bound receptor, but can have longer-lasting effects on the cell's behavior. The size and solubility of the hormone can vary, but many hormones that bind to nuclear receptors are large and hydrophobic.
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basepair the codons to the anticodons 3 ′ gcg 5 ′, 3 ′ acc 5 ′, and 3 ′ agg 5 ′, taking the wobble hypothesis into account. there may be more than one answer choice per anticodon. not all answer choices will be used.
Anticodon: 3' GCG 5'⇒ Codons: 5' CGC 3' and 5' CGU 3'
Anticodon: 3' ACC 5'⇒ Codon: 5' GUG 3'
Anticodon: 3' AGG 5'⇒ Codons: 5' UCU 3' and 5' UCC 3'
What is its anticodon?During protein synthesis at a ribosome, a triplet of dna nucleotides in transfer RNA that specifies the amino acid transported binds to a complementary codon in messenger RNA.
What use do codons and anticodons function?An mRNA codon is a triplet or triple-nucleotide sequence that codes for a specific amino acid during translation. A three-nucleotide region called the anticodon is present on tRNA and binds to the corresponding mRNA sequence. The anticodon made explicit which amino acid is delivered by the tRNA molecule.
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Muscles move bones. Group of answer choices True False
Answer:
The answer is that It's true.
can someone send a link on this topic or help me do it in any way?? its due tomorrow
Answer:
You should explain more...
Explanation:
What is thought to bring different organisms such as fish and dolphins to have evolved a similar body plan?
Answer:
their very similar environments.
Explanation:
The type of evolution that is referenced here actually has a name -- convergent evolution. It's when two types of organisms/species have nothing in common ancestor-wise but still evolve similarly due to their similar environments. The similar body plan the question is referencing could include fins and other "fish features" as well. :-)