A large percent of people in the population are in Younger than 18 years old.
What are types and population?A population is an identified grouping of objects with the purpose of analysis and data collection. Examples include people and animals. It comprises of a related collection of species that live in a specific area and have the ability to interbreed.
What is the population's origin?The three primary sources of demographic and socioeconomic statistics are recognized to be administrative records, surveys, and censuses. As part of a comprehensive program for the collection and production of statistical data, these three data sources serve as the main method for gathering fundamental demographic and socioeconomic statistics.
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Which of the following would NOT contain cell walls?
O A bumble bee
O A peace lily
O A tree
O Celery
Bumble bee?
I hope that helps.
explain how both clomiphene, an estrogen receptor agonist, and letrozole, which reduces estrogen levels, can both induce ovulation when they seemingly have opposite effects in the body.
The long-established standard medication for ovulation induction, clomiphene citrate (CC), is still regarded as the first-line treatment for PCOS women. Clomiphene does, however, have some clear drawbacks.
Ovulation and pregnancy rates differ after receiving CC treatment (60–85%; 10–20%). The rate of miscarriages is higher than that of the general population[6,7], and 20–25% of PCOS women are clomiphene resistant. The endometrial growth and development as well as the quantity and quality of cervical mucus are negatively impacted by the anti-estrogenic effect of CC, which results in a protracted depletion of estrogen receptors.
An oral aromatase inhibitor with a strong potential for ovulation induction is letrozole. This chemical has been investigated as a potential ovulation inducer by numerous researchers, and it has been in use for a few years now. In women with PCOS who are clomiphene citrate-resistant, letrozole has been demonstrated to have an excellent ovulation rate.
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of the following types of organisms, which are examples of microscopic algae? (select all that apply.) group of answer choices coccolithophores krill dinoflagellates photosynthetic bacteria diatoms
All of the organisms in question i.e. coccolithophores krill dinoflagellates photosynthetic bacteria diatoms are examples of microscopic algae.
What are microscopic algae?
Planktonic algae, often known as microalgae, are aquatic organisms that are found in hundreds of different kinds worldwide. The most well-known microalgae species include coccolithophores, cryptomonads, golden algae, yellow-green algae, and euglenoids, but diatoms, dinoflagellates, and green algae are also present. Since there are so many diatoms floating around in the oceans, nearly half of the oxygen on Earth is created through photosynthetic activity. Despite the fact that diatoms and dinoflagellates are types of planktonic algae, they are sometimes mistaken for red or brown algae. Due to their inability to float freely, red and brown algae are not regarded as phytoplankton. Rarely single-celled, true red and brown algae stick to rocks or other surfaces rather than drifting at the surface. For the same reasons, multicellular green algae is not regarded as phytoplankton. Algae must be single-celled or colonial (a collection of single cells) and live and die in the water without being attached to any substrate in order to be classified as phytoplankton.
Following available literature, all of coccolithophores, krill dinoflagellates, photosynthetic bacteria, diatoms fall under microscopic algae.
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Some students set up an experiment to investigate osmosis. They filled two pieces of dialysis [visking] tubing with different liquids and left them both in a beaker of 5% sucrose solution for an hour. Describe and explain the likely results after one hour.
Visking tubing is a partly permeable artificial membrane that allows smaller molecules such as water and glucose to flow through its minute gaps. Larger molecules, such as starch and sucrose, are unable to flow through it.
What occurs during the Visking tubing experiment?Water osmotically travels over the membrane from the rising water concentration (dilute solutions) in the beaker to the poor water content (concentrated solution) in the Visking tubing, increasing the amount of liquid in the Visking tubing and forcing liquid up the capillary tube.
When sugar dissolves in water, water and sucrose molecules create weak connections. These connections make it more challenging for water to osmotically exit the solution.
Starch molecules are too big to pass through the artificial selectively permeable membrane.
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what would be the effect on leading-strand and lagging-strand synthesis of inactivating each of the following enzymes in an e. coli cell [note that e. coli is a typical prokaryote]? a. primase b. dna ligase c. dna polymerase i (pol i)
Topoisomerase inhibits the tightly bonded double-stranded DNA, primase synthesizes RNA during DNA replication, and DNA polymerase 1 is used to initiate the DNA replication process.
What is DNA ligase and what is its work and how it inactivates the enzyme in e-coli?By catalyzing the formation of phosphodiester bonds between double-stranded DNA fragments with juxtaposed 5'-phosphate termini and 3'-hydroxyl termini in the presence of the NAD cofactor, E. coli DNA Ligase is a ligation enzyme that can be used to connect DNA fragments.
Inactivating DNA ligase in e-coli, a prokaryotic bacteria the leading and lagging strands both would not get binded.Because DNA ligase has the function of joining both overhanging stretches of DNA.Inactivating primase in e-coli would not synthesize RNA which is needed to initiate DNA replication.Inactivating DNA polymerase 1 in e-coli would not initiate the DNA replication process.To know more about e-coli visit:
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compared with rods, cones are group of answer choices less sensitive to dim light and less sensitive to fine detail. more sensitive to dim light and more sensitive to fine detail. more sensitive to dim light and less sensitive to fine detail. less sensitive to dim light and more sensitive to fine detail
Compared with rods, cones are less sensitive to dim light and more sensitive to fine detail (Option 4).
What are the photoreceptor cells?The photoreceptor cells are specialized cells in the ey that are required to produce vision. The major photoreceptor cells include rod cells and once cells.
The rod cells are photoreceptors located at the eye retina capable of converting an image into neuronal chemical stimuli which are processed by the brain in order to form the final image. These cells are more sensitive to light when forming the image.
Conversely, the cone photoreceptor cells are more sensitive to colors and therefore these cells can efficiently work in bright light.
Therefore, we can conclude that the photoreceptor cells such as cone cells and rod cells have differential features associated with sensitivity to colors and light, which is fundamental to form the image in the brain.
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The notion that our brain organization and anatomy can change is called __________. a. recovery b. experience c. neurogenesis d. plasticity please select the best answer from the choices provided a b c d
The correct answer is option D: The notion that our brain organization and anatomy can change is called plasticity.
The ability of the brain to change its connections in response to the environment and a person's experiences is known as brain plasticity. Neuronal connections are established beginning in the fetal stage. Some relationships are kept after birth while others vanish.
The rewiring of the neural circuits during an apprenticeship is a result of the brain's plasticity. During this time, some neuronal connections are strengthened (synapses). The brain is indeed malleable. On the contrary, it changes throughout time.
Undifferentiated cells, which can replace inadvertently killed neurons, also enable cerebral plasticity. For instance, in the rat, the removal of vibriosis (whiskers with a sensory function) alters the way that neurons are arranged in the brain. The disappearance of vibriosis leads to the reorganization of the somatosensory cortex.
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Which of the following is most true about ribosomes?
A. Only in the nucleus
B. In the cytoplasm
C. Attached to the smooth ER
D. Only in eukaryotic cells
E. Both B and C
Which of the following best describes what happens during a cross-over event?
Tetrads change orientation as they line up along the center of the cell.
Chromatids of homologous chromosomes exchange corresponding segments.
X and Y sex chromosomes overlap and combine together during metaphase.
Spindle fibers overlap and attach to the wrong chromosomes during anaphase.
Answer:
Second no.. is a right answer.
Chromatids of homologous chromosomes exchange corresponding segments.
what would you do be a main planet ecolog?
Please!!!!!!!
Answer:
Since ecology looks at how different plants, animals, including humans, interact with their habitats, it helps us understand how our planet functions. As a result, it can forecast the consequences of pollution and climate change and instruct us on how to save habitats and biodiversity.
These intricate ecosystems and humans are linked, and if we continue to power our lives in the same manner, they will probably collapse. The world is currently experiencing unprecedented biodiversity loss, pollution, and climate change as a result of human overconsumption, overpopulation, and deforestation.
Explanation:
PLEASE HELP MEEE Describe the following levels of protein structure including the types of bonds that are
involved:
a. Primary
b. Secondary
c. Tertiary and Quaternary
Explanation:
primary: protein structure: the sequence of amino acids in a polypetide chain
Secondary:a-helix and B-pleated sheet structures
Tetiary and Quaternary :Tetiary refers to the configuration of a protein subunit in three dimensional shape while quarternarystructure refers to the relationships of the four subunits have hemoglobin to each other
sorry I couldn't get the bonds
Iin a cross between two individuals bbgg and bbgg, what ratio of phenotypes would be expected in the offspring if the two genes show independent assortment?.
The ratio of phenotypes that would be expected in the offspring if the two genes show independent assortment is 1:1
The two parent genes are both homozygous recessives. Therefore, any crossing between them would yield a ration of 1 to 1 irrespective of independent assortment leading the offspring to have also homozygous recessive genes. According to Mendel's law of independent assortment, alleles from two (or more) distinct genes are sorted into gametes independently of one another.
In other words, the allele obtained by a gamete for one gene has no effect on the allele received for another gene. In the question, the allele from the two parents are the same hence the off springs expresses the same phenotypic traits.
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describe the role of chlorophylls, bacteriochlorophylls, accessory pigments, reaction-center pigments, and antennae pigments in capturing radiant energy.
chlorophylls, bacteriochlorophylls, accessory pigments, reaction-center pigments, and antennae pigments are all components of the photosystem that helps to capture radiant energy in plants and organisms such as bacteria.
Chlorophyll: In a plant, chlorophyll's function is to absorb light, often sunlight. Two types of energy-storing molecules receive the light energy that is absorbed.
Bacteriochlorophyll: Anoxygenic (don't produce O2) photosynthetic bacteria include bacteriochlorophylls, which absorb wavelengths that chlorophylls do not, enabling the bacteria to grow in environments where other photosynthetic organisms cannot.
Accessory pigments: absorbing wavelengths that the other pigments are unable to absorb, accessory pigments improve the efficiency of light capture.
Teaction center pigment: In the photosynthetic process, reaction-center pigments serve as electron donors.
Antennae pigments: A complex of pigments called the antennae serves as a funnel, collecting light energy, and transmitting it to a pigment called the response center.
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What was Lyell’s argument about Earth’s land features and what did it cause Darwin to question about the mountains?
Lyell’s argument about Earth’s land features and what it did to cause Darwin to question the mountains is some of Earth's features resulted from gradual processes acting over long time periods.
This is because the conventional knowledge about mountains was challenged by Lyell and this was a turning point as Darwin himself agreed that the formation of mountains was as a result of sediments that accumulated after a long time.
What is a Mountain?This refers to the landform that is elevated and has bedrock and is a feature of the earth's surface.
Hence, we can see that the argument is that mountains are formed from gradual processes acting over long time periods.
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Drag each label to the correct location on the image. Not all labels will be used.
Mark the different pelagic zones in the ocean.
The pёlagic zone is divided into different areas according to their depth. These zones are part of the photic and aphotic areas. Image and complete explanation attached.
Note: Due to technical problems, you will find the complete explanation in the attached files.
What are the oceanic zones?
The ocean is divided into different zones or regions.
Neritic zone Oceanic zoneThe pёlagic zone is one of the areas into which the oceanic zone is divided.
This zone is also divided into five areas according to depth.
Considering this information, we can complete the image by using all terms excepting for the pёlagic one.
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how does reduced biodiversity affect humans
How do you tell the difference in atoms
which muscle groups are used during riding, squats, push ups, planks, mountain climbers, trunk rotation, overhead press, lunges, arm extension, arm flexion, superman exercises on floor and burpees, etc.
Quadriceps, hamstrings, and glutes muscle groups are used during riding, squats, push ups, planks, mountain climbers, trunk rotation, overhead press, lunges, arm extension.
What is the main function of the hamstrings?Your hamstring muscles are essential for walking, running, bending your knees, and extending your legs. However, these muscles are also quite prone to damage, particularly if you play football or soccer or engage in other activities that include many pauses and starts.
What happens when hamstrings are weak?Hamstring weakness can exacerbate knee pain and raise the risk of hamstring strain. Many people say they frequently stretch their hamstrings yet they never seem to get more flexible.
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1.
What is a mutation?
A. a change in the genetic material of a cell
B. the specific sequence of bases in a molecule of DNA
C. the process by which a molecule of DNA makes a copy of itself
D. the perfect replication of a DNA molecule
Answer:
the answer is A
Explanation:
d talk about replicating and so does c
and b isn't clear so most likely the answer is A
PLEASE HELP ASAP
2) The balanced chemical equation. for cellular respiration is:
C6H12O6+602>>>6CO2+H20+heat+ATP
How does this equation represent the law of conservation of matter- that matter. cannot be created or destroyed?
Answer:
Explanation:
Because the matter turns into heat and ATP.
Match the correct process of mitosis to its phase
The answer is as follows:
The cell separates into new cells: TelephasePaired chromosomes separate at protein structure: AnaphaseDNA is replicated: InterphaseChromosomes aligned in the middle of the cell: MetaphaseWhat is meant by Mitosis phase?The five morphologically separate phases of mitosis are prophase, prometaphase, metaphase, anaphase, and telophase. Chromosome alignment and segregation are processes that go through distinct phases.When a parent cell divides to create two identical daughter cells, the process of nuclear division known as mitosis takes place in eukaryotic cells. Mitosis refers particularly to the division of the duplicated genetic material contained in the nucleus during cell division.The correct answer is as follows:
The cell separates into new cells: TelephasePaired chromosomes separate at protein structure: AnaphaseDNA is replicated: InterphaseChromosomes aligned in the middle of the cell: MetaphaseTo learn more about mitosis phase refer to:
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The cell is the most basic structure that exhibits the characteristics of and meets the challenges of what?
The cell is the most basic structure that exhibits the characteristics of an organism and meets the challenges of the environment.
What characteristics are common in many types of cells?Living things have many common traits i.e. Cellular organization, the ability to reproduce cells, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will show all of these traits. All living organism's cells share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and cell energy processing. Characteristics are the distinguishing features or qualities of something. You might like to think of cell characteristics as those qualities that make a person or a thing different from others.
So we can conclude that the majority of cells share several characteristics i.e. plasma membrane, cytoplasm, DNA, and ribosomes
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How does photosynthesis change energy?
Name two species that influence each other and give examples of how this relationship between the species may have influenced the development of each species.
Coyotes and rabbits are two species that influence each other. The ecological relationships between the species that may have influenced the development of each species include, for example, predator-prey relationships or parasitism.
What are ecological relationships?The term ecological relationships make reference to the associations between species in a trophic chain of a given ecosystem, which shapes the development of these species and largely determines their evolution over a long period of time.
These ecological relationships may include predator-prey relationships as occur in the case of coyotes and rabbits, which represent the predator and prey, respectively. Another important type of ecological relationship is parasitism, where one species is benefited and the other is harmed (i.e., the host).
Therefore, we can conclude that predator-prey relationships are a type of ecological relationship which may shape the development of species such as coyotes and rabbits in an ecosystem.
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in animals, fungi, and plants, bulk flow is always an active and atp-expensive process. this is best evidenced by the presence of a heartbeat in order for bulk flow to occur in animals.
It is false that bulk flow is always an active and atp-expensive process and it is evident by the presence of a heartbeat in order for bulk flow to occur in animals.
Active transport is the transfer of dissolved molecules from a location of lower concentration to a region of higher concentration across the cell membrane. The particles use expensive energy released during breathing to move against the gradient of concentration. Organic substances release energy through respiration, a chemical mechanism that is independent of a heartbeat. Exergonic reactions convert the molecules into new ones. Energy is released via the breakdown of adenosine triphosphate (ATP) into adenosine diphosphate (ADP) and phosphoric acid (Pi).
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A 3 base sequence of mRNA is called a
Answer:
A 3 base sequence of mRNA is called a codon. Each codon specifies a particular amino acid
Explanation:
Have a nice day!
Vitor experiences sadness and hopelessness during the shorter winter days. Which treatment might be prescribed?
Light exposure therapy
Aversion therapy
Psychosurgery
Electroconvulsive therapy
Light exposure therapy will be prescribed to Vitor who suffers from Seasonal Affective Disorder that causes sadness and hopelessness during the shorter winter days.
Light exposure therapy is also called as phototherapy. It involves the exposure of the patient to artificial bright light that is similar to the natural sunlight. This helps in healing the depressive or seasonal moods of the patient.
Seasonal Affective Disorder (SAD) is a mood disorder that occurs in a person as the season changes. The person becomes sad and gloomy. It can sometimes also be referred to as winter depression as it disease is more prevalent in winter season.
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Answer:
A. Light exposure therapy.
Explanation:
Took the test and got it right.
Have a nice day!
Hey there...!!
what is photosynthesis?
Answer: The food making process by plant is called photosynthesis.
Explanation:
Answer:
It is the process by which plants make food for themselves. Carbon Dioxide, light(sun) and water is needed for this process. Chloroplast is the organelle which makes food for plants. It is carried out in the day and the by-product is oxygen
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what is the difference between theory and law
Answer:
Laws, as demonstrated by a mathematical equation, specify what will occur in a specific circumstance, whereas theories explain how the phenomena occurs.
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the fact that individuals who possess favorable traits are more likely to survive and reproduce than those who possess less favorable traits is the basis for natural selection.
The above statement 'the fact that individuals who possess favorable traits are more likely to survive and reproduce than those who possess less favorable traits is the basis for natural selection is true.
Natural selection can be described as a theory that states that organisms that are best adaptable to survive in an environment are able to pass on their characteristics to their offspring.
Organisms that do not have adaptable characteristics tend to become extinct with time. This theory is referred to as natural selection because nature is the one that selects which organisms are fit enough to survive and reproduce in an environment.
The theory of natural selection was formulated by Charles Darwin after many experiments.
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