The Amazon ecosystem structure refers to the interconnected network of actors involved in the Amazon marketplace.
The main actor types include customers, sellers, Amazon itself, and third-party service providers. Customers are the buyers who purchase products from the platform.
Sellers are individuals or businesses that list and sell products on Amazon. Amazon acts as the facilitator, providing the platform, logistics, and customer support.
Third-party service providers like Seller Labs offer tools and services to assist sellers in managing their businesses, optimizing listings, and enhancing their performance.
Seller Labs plays a crucial role by providing valuable resources and solutions to help sellers succeed and thrive within the Amazon ecosystem.
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an oversimplified or exaggerated generalization used to describe or distinguish a group is called
Answer: An oversimplified or exaggerated generalization used to describe or distinguish a group is called a stereotype.
Three-letter segments of mRNA code for specific
O sickle cells.
O disorders.
O chromosomes.
O amino acids.
First answer gets 5 stars
Each mRNA nucleotide's three letters is either a stop codon or a specific amino acid.
What do the three bases in mRNA stand for?Three components make up mRNAs: The 3′ end controls the stability of the mRNA, the center specifies the sequence of amino acids in the polypeptide, and the 5′ end provides binding sites for proteins that start the synthesis of polypeptides.
What is the name of a trio of mRNA nucleotides?A codon is a set of three nucleotide bases in messenger RNA that designates a certain amino acid. These codons will complement an anticodon that is linked to an amino acid.
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which of the following will occur after ovulation? group of answer choices the corpus luteum prepares to become a corpus albicans. the corpus luteum secretes estrogen only. the endometrium enters its secretory phase. the secretion of anterior pituitary gonadotropins is enhanced.
The interaction of hypothalamic and anterior pituitary hormones with reproductive tissues and organ hormones regulates the human male and female reproductive cycles. In both sexes, the hypothalamus regulates and causes pituitary hormone release.
The normal menstrual cycle is a sequential event in which the hypothalamus secretes GnRH, the pituitary gland secretes follicle stimulating hormone and luteinizing hormone (LH), and the ovary responds to those hormones by recruiting a dominant follicle and secreting estradiol and inhibin A. Estradiol stimulates cervix endometrial proliferation and mucus production. A peak in estradiol causes the release of LH, which is responsible for ovulation and the subsequent secretion of progesterone by the corpus luteum, which involutionates 14 days later if not stimulated by hCG (pregnancy). Normal menstrual cycles last 28 days, with a two-day fluctuation in the same woman considered a normal pattern or a regular cycle. The normalcy of these events would allow for successful embryo implantation in the case of trying to conceive. To be fertilized, a capable spermatozoon must reach an adequate ovule during the ovulatory stage. The spermatozoon can survive for up to 5 days in the feminine genital ractum , but the ovum can only be fertilized for 12-24 hours. Fecundation takes place in the distal third of the fallopian tube, and the fecundated zygote develops into a morula before being implanted at the endometrium four days later.
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which part of the mitochondrial atp synthase binds h and transports it down its concentration gradient in order to drive atp synthesis?
By changing their conformation at the catalytic sites, the beta subunits can bind to ADP and a phosphate group and produce ATP.
ADP and inorganic phosphate are brought together to form a bond and produce the ATP molecule as the proton (H+ ion) passes down the concentration gradient, which spins the enzyme. In order to allow for another phosphorylation, the resulting ATP molecule is released. Hydrogen ions are pumped across the inner mitochondrial membrane of the cell, from the matrix into the intermembrane space, using energy during the electron transport process. By flowing back across the mitochondrial membrane and into the matrix via ATP synthase, hydrogen ions are propelled by a chemiosmotic gradient to do so, which results in the production of ATP.
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What is the base sequence on the messenger RNA (mRNA) molecule transcribed from it?
A. TGG CAC GTC CTA
BTGG CUC GTC CTU
C. UGG CTC GUC CUT
D. UGG CAC GUC CUA
NEED HELP ASAP I WILL GIVE 50 POINTS!!!
Which organisms have cells that use mitochondria to release energy stored in food?
A: Self feeders
B: Neither self feeders nor other feeders'
C: Other feeders
D: Both
Answer:
D. Both self feeders(plants) and other feeders(animals and microorganism)
Explanation:
The membrane-enclosed organelles are mitochondria, which are present in the cells of virtually all eucaryotic organisms (including fungi, animals, and plants), and plastids—most notably chloroplasts—which occur only in plants.
I hope this helped
Answer: D. Both self feeders(plants) and other feeders(animals and microorganism)
Explanation:
.
what number and types of chromosomes are found in a human somatic cell? what number and types of chromosomes are found in a human somatic cell? 21 autosomes and 2 sex chromosomes 45 autosomes and 1 sex chromosome 22 autosomes and 1 sex chromosome n chromosomes 44 autosomes and 2 sex chromosomes
There are 44 autosomes and two sex chromosomes in each person. Human somatic cells have 22 pairs of autosomes and either two X chromosomes or an X and a Y chromosome.
A chromosome is a long molecule of DNA that contains the genetic material of various organisms. Most eukaryotic chromosomes exist in tandem with histone proteins, which aid in DNA stability.
Each chromosomal pair is made up of one chromosome from the mother and one chromosome inherited from the father. Human males produce gametes with two types of sex chromosomes, X and Y, whereas human females produce gametes with only one type of sex chromosome, X.
The male gamete is referred to as heterogametic or heteromorphic, while the female gamete is referred to as homogametic or homomorphic, depending on the gamete produced. The number of chromosomes varies from organism to organism, but they are an important part of the cell because they not only impart essential qualities to the organism and also aid in the synthesis of important proteins which play important metabolic roles, resulting in the organism's proper functioning.
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in 2020 the united states department of agriculture reported that 13.8 million people in the united states were food insecure. food insecurity is a disruption of eating patterns due to lack of resources. in some large cities where residents have very little access to nutritious food options, empty lots are being purchased in the neighborhoods for residents to utilize for community gardens. these gardens will collectively be cared for by the community and the harvests will be available to community members. what is a social consequence of this sustainable use of land?
The social consequence of sustainable use of land is that it lead to:
Poverty reductionSocial investmentSafe and caring communitiesWhat is land usage that is sustained?Sustainable land management (SLM), according to the United Nations, is the "use of land resources, including soils, water, animals, and plants, for the production of goods to satisfy changing human requirements, while concurrently safeguarding the long-term productive potential of these assets
The health of our social and economic system depends on the land. Land controls the flow of water and nutrients, maintains biodiversity, stores carbon, and offers resources to businesses as well as jobs and food for individuals when it is properly and sustainably maintained.
Therefore, In order to meet human needs both now and in the future, sustainable land use provides a fair and balanced distribution of land, water, biodiversity, and other environmental resources among the numerous competing claims.
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Need answers pleaseeeeeeeee
DNA and RNA are required molecules .
Define nucleic acids.
The main molecules that convey information in cells are called nucleic acids, which are chemical substances that are found in nature. In controlling the synthesis of proteins, they are particularly significant. Ribonucleic acid and deoxyribonucleic acid (DNA) are the two primary types of nucleic acids (RNA).
When comparing DNA and RNA, there are two differences: In contrast to DNA, which includes thymine instead of the nucleobase uracil, RNA has the sugar ribose, whereas DNA has deoxyribose, a kind of ribose that lacks one oxygen atom.
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do all living things have the same number of genes?
The end outcome is the biodiversity we are familiar with today. However, it is impossible to directly compare species because their genes are varied and they do not all have the same number of genes.
Does each individual possess the same number of genes?Does everyone share a genome? Most people have a similar human genome. The genome does, however, contain variants. Differences in look and health are a result of this genetic variation, which makes up roughly 0.001 percent of each person's DNA.
Do all forms of life have genes?All plants and animals are composed of cells, and those cells contain genetic material in the form of genes and chromosomes (usually in the nucleus).
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which division of the piriform cortex produces representations of the features of odorant molecules?
The anterior division of the piriform cortex produces representations of the features of odorant molecules.
Piriform cortex is a region of the brain also called as pyriform cortex, situated in the cerebrum region. Its function is to regulate the mechanisms of the olfactory experiences. It is at the junction of the temporal and frontal lobes.
Odorant molecules are the ligands that bind to the odorant receptors present at the neurons of the body involved in the olfactory responses. They are names odorants because they perceive smell. The receptors of the odorant molecules are GPCRs. Odorants are of various types based on the type of functional group they possess.
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Select all true statements regarding gamma decay.
Gamma rays are the spectral particles with the highest energy and shortest wavelength. This form of decay does not result in the release of any particles from the nucleus.
What is a nucleus, and what does it do?The spindle holds the alleles, which are the structures that house the genetic traits, and governs and regulates the functions of the cell. The nucleoplasm is the gel-like membrane that contains the nuclear parts are suspended.
Why is the nucleus the most significant cell?Due to its role in the storage, retrieval, and copying of genetic material, the nucleus is regarded as among the most significant components of eukaryotic cells. The genetic material is housed in an organelle with two membranes.
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A primary difference between transcription and replication is that transcription
Answer: Replication is the duplication of two-strands of DNA.
Explanation:
Transcription is the formation of single, identical RNA from the two-stranded DNA.
describes the response of auditory nerve fibers that allows for the plausibility of the theory of frequency representation:
The cochlea sends information about sound stimuli to the cochlear nucleus of the brainstem via auditory nerve fibres.
Depending on whether receptor cell population in the cochlea is contacted, the neurons that give rise to these fibres can be split into two categories.
Basically, vibrations (sound signals) are transmitted to the brain via the auditory nerve. Remember that hearing sounds is made possible by several different parts of the ear, not just the auditory nerve. A number of additional ear components are also involved.
Some sensory systems that provide information that is relevant to motor functions are distinguished by a "spatial code" in addition to a "temporal code" because they display characteristics that are tailored to specific spatial directions. Examples include otolith and semicircular canal afferents, as well as muscle spindle afferents.
Complete question:
The volley principle first proposed by Weaver & Bray (1937)
describes the response of auditory nerve fibers that allows for the plausibility of the theory of frequency representation:
a) place code
b) temporal code
c) population code
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When there is no pattern to a
population's growth, it is known as
A. cyclical
C. irruptive
B. declining
D. irregular
Answer: D. irregular
Explanation:
in a story of a small village, one of the characters is described as a round, bubbly woman who bakes treats for all the children. what somatotype would this character be?
In the story of a small village, the character who is described to be round and bubbly and has a habit of baking treats for everybody would be of an endomorph somatotype.
Somatotypes are founded on the idea that every person has a certain body type at birth. Skeletal structure and body composition are expressions of one's body type, or somatotype, which is inherited. The endomorph body type is characterized by a higher proportion of fat and muscle.
Despite being hefty, these individuals are not always fat. If you have an endomorph body type, you are aware of how difficult it is to grow muscle mass and shed weight. You may obtain optimum health and fitness by following specialized diet and exercise routines. Endomorphs have more supple, curved bodies.
They may or may not be overweight, but they have wide hips, a huge frame, and wide shoulders. Their lower belly, thighs, and hips frequently carry the majority of their weight.
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What environmental parameters would need to be monitored as DDT
Answer:
1. Soil and water samples for levels of DDT and its metabolites
2. Air samples for levels of DDT and its metabolites
3. Sediment samples for levels of DDT and its metabolites
4. Biological samples for levels of DDT and its metabolites
5. Surface water run-off for levels of DDT and its metabolites
6. Aquatic life for levels of DDT and its metabolites
7. Plant life for levels of DDT and its metabolites
8. Temperature and pH levels in the environment
9. Wind speed and direction
10. Rainfall levels
Which of these shows an example of an insertion mutation?
The figure 3 shows an example of an insertion mutation.
What do you mean by insertion mutation?
An insertion is the addition of one or more nucleotide base pairs into a DNA sequence. This can often happen in microsatellite regions due to the DNA polymerase slipping.
Moreover, an insertion changes the DNA sequence by adding one or more nucleotides to the gene. As a result, the protein made from the gene may not function properly.
An insertion mutation occurs when an extra nucleotide is added to the DNA strand during replication. This can happen when the replicating strand "slips," or wrinkles, which allows the extra nucleotide to be incorporated.
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Which technology below would probably be the most important to a person who had diabetes and had to take insulin every day?
Hydrogen bonding is a type of force that occurs inside of molecules.
A. False
B. True
Answer:
[tex]\Huge \boxed{\textbf{B. True}}}[/tex]
Explanation:
Hydrogen bonding plays an important role inside many molecules. It occurs due to an electrostatic attraction between a hydrogen atom bonded to an electronegative element like oxygen or nitrogen, and another nearby electronegative atom that possesses a lone pair of electrons. This second atom acts as an acceptor for the hydrogen.
The hydrogen is pulled slightly toward the acceptor due to their opposing charges. These hydrogen bonds can form both between different molecules as well as within different parts of the same molecule.
They are stronger than the normal attractions between permanently polarised molecules or non-polar atoms. However, hydrogen bonds are not as intensely strong as true covalent bonds, which involve sharing electrons, or ionic bonds that transfer electrons.
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________________________________________________________
HELPPPPPPPPPPPPP helpppppppppp
Answer:
"Plasma membrane monoamine transporter (PMAT) Four phases of mitosis: prophase, metaphase, anaphase, and telophase."
PMAT is the order of the phases of mitosis.
30 points & not that hard
The town of Fairfield, Connecticut is located on the east coast of the United States and is proposing clean energy projects such as solar panel farms to help reduce
carbon dioxide emissions and reduce electrical power costs to the town. The town has created a Clean Energy Task Force to lead these projects. You are going to attend a town meeting to ask questions about their proposals to install solar farms in various locations such as the parking lots of local high schools and over a
former landfill.
List at least 5 questions you should ask the Clean Energy Task Force before you make a decision.
(Please write a minimum of three sentences)
Answer:
Explanation:
First I would ask
how much their budget is for one year. Next I would ask how they are going to have more clean energy. Other questions I would ask are where will you install the solar farms, will the farms impact local businesses and how much dirty energy they want to get out of the atmosphere
imagine you discovered two new species of fish. one has internal fertilization and the other fertilizes eggs externally. in both species, only one adult provides parental care for the eggs in a nest. in which species is paternal care more likely to have evolved and why? (20 points)
A female egg is fertilized by a male sperm outside of the female's body. This process of reproduction is known as external fertilization. parental care for the eggs in a nest. in which species is paternal care more likely to have evolved
More than 33 000 species of bony fish use external fertilization, a general phrase that refers to the discharge of sperm and eggs into the environment outside of the body. This process can range from broadcast spawning to the direct sperm attachment to eggs. Which species develops inside while being internally fertilized?
Fertilization Within
Most bony fish, numerous reptiles, some cartilaginous fish, the majority of amphibians, two mammals, and all birds exhibit this. Eggs from reptiles and insects are leathery, whereas eggs from birds and turtles have a lot of calcium carbonate in the shell, making them hard.
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a branch of the autonomic nervous system that prepares the body for activity by speeding up the heart rate is called the system.
The sympathetic branch of the autonomic nervous system raises heart rate, blood pressure, and breathing to get the body ready for exercise. The sympathetic division also encourages the liver to release glucose for use as fuel.
To increase heart rate, the sympathetic nervous system (SNS) produces the catecholamines epinephrine and norepinephrine. The primary function of the parasympathetic nervous system is to calm down or lessen your body's activity. The rhyming expressions "rest and digest" or "feed and breed" are good methods to remember what your parasympathetic nervous system performs because of the messages they carry. When a person is confronted with a dangerous or terrifying scenario, one component of the autonomic nervous system, known as the sympathetic nervous system, reacts. It will automatically raise heart rate and respiration while moving blood to the muscles.
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VERY IMPORTANT WILL MARK
2. Which extreme organism is the most extreme? Why?
Answer:
Extremophilic microbes
Explanation:
The Most Extreme Creatures Extremophilic microbes are a wild bunch. They can be found thriving in some of the most hostile environments imaginable - swimming in near-boiling water, eating rocks, lounging in sub-zero temperatures, and hanging out where radiation levels rival nuclear reactors.
What is translation
Answer: Translation is the process in which ribosomes in the cytoplasm or endoplasmic reticulum synthesize proteins after the process of transcription of DNA to RNA in the cell's nucleus.
Explanation: Hope this was helpful
The founder effect is an example of _______.
Answer:
The founder effect is an example of genetic drift
explanation:A population has members with the same appearance and features, such members encounter similar problems in the environment they live in. Some members of the population start living in a different place due to some reason. In that new area, they form a colony and start to adapt to different environments. This is called the founder effect. This brings change into sets of genes causing genetic drift.
True or false? Neutrons do not have an electrical charge:
Why are the differences between prokaryotic and eukaryotic translation of mRNA useful to humans?
For the regulation of genes during nutritional shortage and stress, development and differentiation, nervous system function, aging, and illness, translational control in eukaryotic cells is essential. Prokaryotes are able to respond quickly to environmental cues because transcription and translation happen simultaneously in the cytoplasm.
what are Prokaryotes ?Any organism without internal membranes is referred to as a prokaryote, usually written procaryote. These organisms lack a defined nucleus and other organelles.
what is eukaryotic ?eukaryotic can be explained as a living things with nuclei in their cells. Eukaryotes include all animals, all plants, all fungi, and many unicellular creatures.
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Which of the following is a characteristic of offspring produced by meiosis, and does not characterize offspring produced by mitosis?
A.
four haploid cells with chromosomes and alleles that are genetically different than the parents
B.
four haploid cells with chromosomes and alleles that are genetically identical to the parents
C.
two diploid cells with chromosomes and alleles that that are genetically different than the parents
D.
two diploid cells with chromosomes and alleles that are genetically identical to the parents
Answer:
the answer is B I did this last week
