Answers
Answer:
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Explanation:
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Related Questions
Question 2 of 26
What happens at a subduction zone between an oceanic plate and a
continental plate?
O A. The continental plate slides under the oceanic plate, and
part of it melts to form magma that sinks into the mantle.
O B. The oceanic plate and continental plate pull away from
each other, allowing magma to rise and form an ocean
ridge.
O c. The oceanic plate and continental plate slide past each
other, creating a series of faults that allow magma to rise
and form a chain of volcanoes.
O D. The oceanic plate slides under the continental plate, and
part of it melts to form magma that rises up through the
continental plate.
SUBMIT
Answers
In algae and plants, photosynthesis happens in the
vacuoles.
mitochondria.
chloroplasts.
chromosomes.
Answers
Answer:
chloroplast........................
Answer:
chloroplasts
Explanation:
they contain chlorophyll, a necessary element for photosynthesis
Quick quick !!
Which problem affects the global economy in addition to a local economy?
A. A citywide power outage
B. Drought on an island
C. Water pollution in a lake
D. Pollution of the atmosphere
Answers
Answer:
D. Pollution of the atmosphere
Explanation:
All the other answers would seem to only affect the designated local area. However, option D would affect both the local and global economy.
3. Explain the main difference between organisms of the
domains Bacteria and Archaea and organisms of the domain
Eukarya.
Answers
Answer:
Both Bacteria and Archaea are prokaryotes, single-celled microorganisms with no nuclei, and Eukarya includes us and all other animals, plants, fungi, and single-celled protists – all organisms whose cells have nuclei to enclose their DNA apart from the rest of the cell.
Explanation:
Both Bacteria and Archaea are prokaryotes, single-celled microorganisms with no nuclei, and Eukarya includes us and all other animals, plants, fungi, and single-celled protists – all organisms whose cells have nuclei to enclose their DNA apart from the rest of the cell.
There is a Y chromosome gene in humans that has two alleles influencing hair growth on the pinna (external ear). One allele causes very hairy ears. The phenotypic effect of the other allele is to not have hairy ears. A man with hairy ears and a woman without hairy ears are starting a family. What is the probability their first child will be a girl with hairy ears
Answers
Answer:
Since the gene is located on the Y chromosome, and the Y chromosome is absent in females, the probability their first child will be a girl with hairy ears is zero
Explanation:
Y-linkage, also known as holandric inheritance is a form of sex linkage in which inherited traits in offsprings are produced by genes located on the Y chromosome. The Y chromosome is one of the sex-determining chromosomes and is present only in males. Males have a copy of the Y chromosome and an X chromosome while females have two copies of the X chromosome.
For a trait that is linked to the Ychromosome, the phenotypic effect occurs only in males and is always manifested in these males. Since the Y chromosome is absent in females, the character and its phenotypic effect are absent from daughters of trait carriers. Therefore, all daughters will be normal.
Since the gene for hair growth onnthe pinna is located on the Y chromosome, and the Y chromosome is absent in females, the probability their first child will be a girl with hairy ears is zero.
The probability that their first child will be a girl with hairy ears is zero.
The sex chromosomes in humans are the X and Y chromosomes. They determine the sex of a baby and also carry the sex linked traits. A baby girl results from XX and a baby boy results from XY.
We are told that this gene for hairy ears is located on the Y chromosome. This chromosome is absent in a girl child. hence, the probability that their first child will be a girl with hairy ears is zero.
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In the lung alveoli, the oxygen partial pressure is about 100 mm of mercury, or 0.13 Atm. If blood was solely composed of a saline solution (lacking any hemoglobin), oxygen equilibrates with the alveolar air to a concentration of about 3 mg/L or 0.093 mm). In oxygen-saturated blood, however, the O2 concentration is about 0.008 M (8 mm).
Required:
a. What is the Henry's Law constant for oxygen in saline?
b. What is the Henry's Law constant for oxygen in blood?
c. How much does the presence of hemoglobin enhance oxygen solubility in blood (i.e. what is the ratio in blood vs saline)?
Answers
Answer:
Picture is attached.
why do proteins not pass through plasma membranes
Answers
Answer:
because protein molecules are very large in molar masses
define cell and atom.....
Answers
Answer:
cells are the basic building blocks of all organisms , whether living or dead.
atoms are the basic building blocks of matter(non-living things) . every item , for eg, chair, book, toothbrush are made of atoms?
Which genotype would give you a wild type phenotype?
Answers
Answer:
C
Explanation:
Find the number of chromosomes are in each daughter cell when a sperm cell with a diploid number of 26 chromosomes undergoes meiosis process
Answers
Answer:
At the end of mitosis, the two daughter cells will be exact copies of the original cell. Each daughter cell will have 30 chromosomes.
Which of the following was not part of the original cell theory, but was added later after we learned more about cellular structure
Answers
where is full question man
1. The large cell is called secondary oocyte and the small one is called _______.
2. What parts of organ that located at the right side of upper abdomen?
3. It is yellowish gland about 18cm long and 4 cm wide.
4. The ____________ provides the oxygen necessary for cells to metabolize.
5. The _____________ moves the oxygen around the body and to the cells.
6. It a specialized sub-unit within a cell that has a specific function such as; mitochondrion, golgi bodies, lysosome, vacuole, etc.
7. _________ are the tiny building blocks of our tissues and organs.
8. In what process where sex cells undergo meiosis to form sperm cells (spermatogenesis) in male and egg cells (oogenesis) in female.
9. This is a production of sperm by the process of meiosis.
10. It is process of producing egg cells by means of meiosis.
Answers
2. Lungs, stomach,heart, thymus, spleen, brain and etc
3.liver
4. Rbc
5. Blood
6. Cytoplasm
7. Cells
8. Gametogenesis
9. Spermatogenesis
10. Oogenesis
Why do all proteins given a negative charge prior to electrophoresis?
Answers
Answer:
The principle for native gels when Coomassie is not added to the sample is that proteins are separated by a combination of size and charge. The charge in general depends on the number of amino acid residues that bear a positive or negative charge at the pH of the gel. So if running the gel at pH from 8.3 / 8.9, Asp and Glu will be negatively charged, Lys and Arg and His will be protonated and have a positive charge. The N- terminus would have a positive charge while the C terminus would have a negative charge. There might be exceptions depending upon the micro environment of each residue. Native gels can be run at acidic pH as well, to give another way of resolving proteins. Smaller proteins migrate faster than larger proteins. Also, quaternary structure is preserved, so a dimer will run as a dimer so the percentage of total acrylamide monomer used is usually lower than what is used for SDS-PAGE, e.g. 7.5% acrylamide
why are electrons in an atom involved in bonding
Answers
Answer:
The valence electrons have a role in the bonding of two atoms. The nuclei of each atom are drawn together by their attraction to the valence electrons of the other atom. As the atoms are drawn together by their attractions, electrons from each atom are drawn to the nuclei of both atoms, where they are "shared."
OAmalOHopeO
Erosion and deposition constantly change Earth’s surface. Erosion carries natural materials like rock and soil from one place to another. Through deposition, these natural materials may be deposited in areas where they build up over time.
Which landform results from the deposition of materials in a valley during volcanic eruptions?
A.sill
B.mud pot
C.caldera
D.lava plateau
(Science)
Answers
They are formed when lava flows from the volcano & build up over time as the molten lava is deposited & cools.
Hemophilia is an X-linked recessive condition in which blood does not clot properly. Queen Victoria of England had one allele for hemophilia. Most of her male descendants had the disorder, but few females had it. Why did hemophilia occur more frequently in Queen Victoria’s male descendants?
Answers
Answer:
Because hemophilia is an X-linked recessive condition.
Explanation:
As the problem states, hemophilia is an X-linked recessive condition.
Meaning that in Queen Victoria's female descendants (coded XX) which inherited the Queen's one allele, for hemophilia to appear in them it would be necessary to inherit another hemophillia-carrying allele from the father.The Queen's male descendants (coded XY) would always manifest hemophilia if they inherited the Queen's hemophilia allele, as they possesed only one X gene.The statement that there must be a preexisting cell in order for a new cell to form is known as cell
Answers
Answer:
cells duplicate so when there is no cell it cant make any
Explanation:
The statement that there must be a preexisting cell in order for a new cell to form is known as cell theory.
What is cell theory?The scientific idea that cells make up living organisms, that they are the fundamental structural and organizational unit of all species.
They all originate from previously existing cells is known as cell theory. It was first proposed in the middle of the nineteenth century.
Because cells are the building blocks of all life, cell theory is essential for our understanding of biology.
We can have single-celled organisms like yeasts and bacteria. All living things grow and develop on the basis of cell division, or the division of a cell from one to two to four.
A vital process for life is mitosis. A cell divides into two identical daughter cells after duplicating all of its components, including its chromosomes.
Thus, the statement "cell arises from pre-existing cells" comes from cell theory.
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Identify the number of electrons each of the following atoms needs to gain or lose to have a stable outer electron configuration: Sodium(Na), Sulfur(S), Strontium(Sr)
Answers
Answer:
Sodium: +8
Sulfur: +2
Strontium: -2
I never thought of that these statements alone are not
sidered for a grade
Answer the questions) below
A former patient comes into the dental office and states that she has recently been diagnosed with skin cancer. She demands her xrays and treatment record and claims that she was exposed to unnecessary radiat
during her visits How should the dental assistant respond? Can the dental assistant be held responsible?
Answers
Answer:
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IN____________ NUTRITION , THE ORGANISMS DEPEND UPON ITS HOST FOR ITS FOOD .
Answers
Answer:
heterotrophic nutrition!!
5. The major functions of carbohydrates irſclude
A. Structure framework. B. Storage C. Both Aan B
D . None of these
Answers
Answer:
D
Explanation:
used to provide energy to the body
1. Explain the relationship between the terms species and organism.
Answers
Answer:
Organism: An individual living thing
Species: A group of any given organism; a group of many individual living things
A species is defined as the group of organisms in which individuals can reproduce their progeny.
What is Species?A species is defined as the basic unit of classification. This is also taxonomic rank of an organism, as well as a unit of biodiversity. These are the group of organisms which can reproduce with one another in nature and produce fertile offspring.
Species can be divided further on the basis of concept like
1. Typological or Essentialist Species Concept
2. Nominalistic Species Concept
3. Biological Species Concept
4. Evolutionary Species Concept
The species designation which originated in taxonomy, where the species is the basic unit of taxonomy is recognized by the International Commission on Zoological Nomenclature. Every species is have a standard two-part name of genus and species.
Thus, a species is defined as the group of organisms in which individuals can reproduce their progeny.
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Name ten infrasonic animals.
Answers
why is climate change a serious threat to the least developed countries practicing agriculture as their main occupation mountain region island and low lying countries
Answers
Answer:
Increase in sea level on the low lying countries which leads to degradation and salinification thereby making the soil non-arable. Meanwhile on the mountain regions, melting glaciers caused by rain falling on snow leads to mountain floods, avalanches and extreme rockslide and thereby disrupting agricultural produce and wildlife.
Explanation:
Using the organisms you identified in part B, create a food web for the ecosystem you chose. Use this sample food web for reference, although your food web will contain fewer organisms. Note that your food web does not have to include images, but you may include them if you choose. However, be sure to include arrows to indicate the direction of energy flow in your food web. Design your food web using any method listed below:
Answers
Unfortunately you did not introduce the organisms identified in part B, as the question shows. This makes it impossible for me to answer this question, but I will try and help as best I can.
In the figure attached to the question below, it is possible to see an example of a food web and the arrows that indicate the direction of the energy flow within this food web.
In this sense, we can determine that a food web is the set of food chains that complete and mix. A food chain shows how living organisms organize themselves so that one feeds on the other, whereas in the food web, this food chain is shown in a more realistic way, as it shows how food chains mix and interact within the ecosystem, as they do not there are food chains isolated in nature.
Answer:
I did Lake Tahoe. Feel free to use this image!
Explanation:
The Big Bang is an idea that states that billions of years ago the universe began in a huge expansion of matter. This
idea has come about through numerous experiments performed by scientists including Edwin Hubble, Albert
Einstein, and Robert Wilson, all of whom revised and added to it over time The Big Bang has not yet been proven as
fact
The Big Bang can be best described as a(n)
experiment
hypothesis
theory
law
Answers
Answer:
The Big Bang theory is the prevailing cosmological model explaining the existence of the observable universe from the earliest known periods through its subsequent large-scale evolution. The model describes how the universe expanded from an initial state of high density and temperature,and offers a comprehensive explanation for a broad range of observed phenomena, including the abundance of light elements, the cosmic microwave background (CMB) radiation, and large-scale structure.
Crucially, the theory is compatible with Hubble–Lemaître law—the observation that the farther away a galaxy is, the faster it is moving away from Earth. Extrapolating this cosmic expansion backwards in time using the known laws of physics, the theory describes an increasingly concentrated cosmos preceded by a singularity in which space and time lose meaning (typically named "the Big Bang singularity"). Detailed measurements of the expansion rate of the universe place the Big Bang singularity at around 13.8 billion years ago, which is thus considered the age of the universe.
After its initial expansion, an event that is by itself often called "the Big Bang", the universe cooled sufficiently to allow the formation of subatomic particles, and later atoms. Giant clouds of these primordial elements—mostly hydrogen, with some helium and lithium—later coalesced through gravity, forming early stars and galaxies, the descendants of which are visible today. Besides these primordial building materials, astronomers observe the gravitational effects of an unknown dark matter surrounding galaxies. Most of the gravitational potential in the universe seems to be in this form, and the Big Bang theory and various observations indicate that this excess gravitational potential is not created by baryonic matter, such as normal atoms. Measurements of the redshifts of supernovae indicate that the expansion of the universe is accelerating, an observation attributed to dark energy's existence.
Georges Lemaître first noted in 1927 that an expanding universe could be traced back in time to an originating single point, which he called the "primeval atom". Edwin Hubble confirmed through analysis of galactic redshifts in 1929 that galaxies are indeed drifting apart; this is important observational evidence for an expanding universe. For several decades, the scientific community was divided between supporters of the Big Bang and the rival steady-state model which both offered explanations for the observed expansion, but the steady-state model stipulated an eternal universe in contrast to the Big Bang's finite age. In 1964, the CMB was discovered, which convinced many cosmologists that the steady-state theory was falsified, since, unlike the steady-state theory, the hot Big Bang predicted a uniform background radiation throughout the universe caused by the high temperatures and densities in the distant past. A wide range of empirical evidence strongly favors the Big Bang, which is now essentially universally accepted.
Explanation:
Answer:
Explanation:
its a theory
Write on the formation of fruits and seeds as well as alternation of generation in bryophytes.
Answers
Answer:
Fruit and seeds formation takes place due to the diffusion and fertilization of ovary.
Explanation:
After the process of pollination and fertilization the seed are forced by the fertilized ovule that is divided by the meiosis and formation of seeds completes the processes and has the potential of developing into a new plant under the optimal conditions. The ovary of the plant develops into fruits and ovules develop into seeds. Seed formation competes for the reproduction of plants. Bryophytes are small noon vascular flowering plants such as mosses.Defined forestry and its important in nepal?
Answers
Explanation:
In a mountain- ous country such as Nepal, forests are important for the protection of water catchments, the conservation of soil and the maintenance of biodiversity, as well as for their contributions to sustainable rural livelihoods and the maintenance of the environment.Answer:
forest is defined as a large area that has many trees and other plants, or a dense area that is like a forest.
its important in nepal are:
1.for the protection of water catchments,
2.for the conservation of soil and
3.for the maintenance of biodiversity,
4.. for their contributions to sustainable rural livelihoods
5.the maintenance of the environment.
6.it increase the natural beauty of nepal
हरियो वन नेपालको धन
जय नेपाल
lab reports of onion cell
Answers
Answer:
you gotta show the onion cell if you want this to be answered
There have been a number of studies indicating that schizophrenia is a complex genetic disorder. Which of the following observations are most consistent with this hypothesis?
1. Siblings of individuals with schizophrenia have an elevated risk of developing schizophrenia.
2. In monozygotic twins, if one twin has schizophrenia, it is very rare that the other is affected.
3. Malnutrition in utero and certain infections may increase risk of schizophrenia.
4. Schizophrenia follows an autosomal recessive inheritance pattern.
Answers
Answer:
1. and 4.
Explanation:
1 explains that siblings may have it since they have the same genetics and 4 explains that it is a autosomal recessive trait and follows a pattern genetically.