Answer:
Explanation:
divergent
seafloor spreading
heat
lava
Answer:
1-transformation
2-heat
3-seafloor
4-lava
Explanation:
i really hope this is right
1. What is most likely to cause a mutation?
A) Substituting a nucleotide during replication
B) Copying a nucleotide during replication
C) Translation of a mRNA strand
D) Transcription of DNA
Transfer of mRNA from the nucleus to the cytosol occurs through _____.
Transfer of mRNA from the nucleus to the cytosol occurs through nuclear pores.
Messenger RNA or the mRNA are the molecule in the cells which carry sequences from the DNA in the nucleus to the sites of protein synthesis, ribosomes which are present in the cytoplasm.
Since the information which is present in the DNA cannot be decoded directly into proteins, it is transcribed into mRNA by transcription. The mRNA molecules present in the nucleus are then transported through the nuclear pores present in the nuclear envelope into the cytoplasm, where they are translated by the ribosomes to form proteins.
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A patient has 47 chromosomes, including three X chromosomes. Which of the following statements describes her expected phenotype?a. a female with masculine characteristics such as facial hairb. an apparent male who is sterilec. a sterile femaled. a healthy female of slightly above-average height
The expected phenotype of a patient with 47 chromosomes and three X chromosomes will be: (4) a healthy female of slightly above-average height.
Chromosomes are the compact form of genetic material. They are comprised of DNA and histone proteins. Each chromosomes contain one single DNA strand. The structure of DNA is composed of two sister chromatids joined together at the constricted region called centromere.
X chromosomes are the sex-determining chromosomes present in humans and some other animals. A normal human female contains 2 X chromosomes while a normal human male contains only one X chromosome. To balance out, only one X chromosome is a active in females.
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plz help this is kinda confussing lol
Answer: The last one
Explanation:
The nucleus
Answer:
The nucleus controls the functions of the cell.
Mendel cruzo plantas de guisantes (Pisum sativum) de flores rojas heterocigotas con otra de la misma especie pero de flores blancas recesiva. ¿Cuál seria el resultado ( fenotipo y genotipo)? Realiza el cruce pertinente.
Answer:
1/2 = 50% de la progenie será roja heterocigota, Rr1/2 = 50% de la progenie será blanca homocigota recesiva, rr.Explanation:
El gen que codifica para el color de flor es dialélicoEl alelo R es dominante y expresa color rojo en homocigosis y heterocigosis. El alelo r es recesivo y expresa el color blanco en homocigosis.Cruza: flores rojas heterocigotas con flores blancas
Parentales) Rr x rr
Fenotipo) Rojo Blanco
Gametas) R r r r
Cuadro de Punnett)
R r
r Rr rr
r Rr rr
F1) 2/4 = 1/2 = 50% de la progenie será roja heterocigota, Rr
2/4 = 1/2 = 50% de la progenie será blanca, rr.
Which one of the answers? and if possible a explanation would be nice.
Every sperm cell and every egg cell is different even in the same person because of : (a) crossing over during meiosis.
Why every sperm cell and every egg cell is different even in same person?During meiosis, process of cell division that produces sperm and egg cells, homologous chromosomes can exchange genetic material through process called crossing over. This results in unique combinations of genetic information in each gamete that is produced, leading to the genetic diversity.
Mutations during translation (b) and mitosis (d) can also lead to genetic variation, but they occur much less frequently and do not play significant role in generating genetic diversity as crossing over during meiosis.
Epigenome of each individual sperm or egg cell (c) can also vary, but this is not the primary mechanism that leads to the differences between sperm and egg cells from same person.
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after years of observation, you conclude that the birds eat similar diets and share similar behaviors but do not reproduce with each other. these groups of birds appear to be an example of:
After times of observation, you conclude that the birds eat analogous diets and share analogous actions but don't reproduce with each other. These groups of birdss appear to be an illustration of a single ecological species.
We come to the conclusion after the time of study that the birdss have analogous diets and actions but don't breed together. These raspberry populations feel to be an illustration of a single ecological species.
A group of brutes that can breed with one another in nature and produce healthy seeds is appertained to as a natural species.
The natural species idea states that organisms can only interbreed and induce feasible, fruitful seeds within their own species. a group of organisms that have evolved to a certain force of coffers in the terrain, also known as a niche. Prezygotic and postzygotic walls live between species, precluding lovemaking or the generation of feasible, fruitful seeds.
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explain how trees can grow in a
boreal forest,
Answer:
In the boreal forest the ground thaws more and does not have a permafrost layer. This allows trees to take root. Compose an argument for categorizing mountains and polar regions as terrestrial biomes. Mountains and polar regions have these characteristics and provide land on which certain plants and animals can live.
Explanation:
Answer:
Photosynthesis
Explanation:
By using photosynthesis
What are some ways that changes in earth and changes and people are different 
What is the name of the female reproductive organ whorl in flowering plants?
A. Calyx
B. Corolla
C. Androecium
D. Gynoecium
The female reproductive organ whorl in flowering plants is called Gynoecium.
The gynoecium, or female reproductive organ, consists of the carpel. often refers to the several floral structures that work together to create the ovules that will go on to form the fruit and seeds. In spite of its common designation as the flower's "female" organ, the gynoecium does not directly create female gametes but rather megaspores, each of which grows into a female gametophyte that in turn produces egg cells.
Gynoecium comes in three varieties: monocarpous, apocarpous, and syncarpous. Monocarpous gynoecium is made up of only one carpel. The flower has a single stigma, style, and ovary. An apocarpous gynoecium is made up of several carpels that are isolated from one another. On a single flower, they have several stigmas, styles, and ovaries. Many carpels have fused together to form a syncarpous gynoecium. Tomatoes, mangoes, and coconuts are frequent flowers with syncarpous gynoecium.
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What global circulation cell most strongly affects the weather
and climate and Vancouver, British Columbia?
Select one:
a. Ferrel cell
b. Polar cell
c. Trade winds
d. Polar high
e. Hadley cell
Define Photosynthesis and include chemical equation
pls help I’m not sure how to phrase it!!
Answer:
Photosynthesis is the process whereas plants convert light energy into chemical energy, through cellular respiration. That can later fuel the organism's activity.
Equation: 6CO2 + 6H2O → C6H12O6 + 6O2
Explanation:
Answer:
Hey there,
Photosynthesis means,
The process of using carbon dioxide and water as raw materials to produce food with the help of light energy in the chlorophyll areas of the plant.
The chemical equation is attached to the picture.
Hope this helps you.
Let me know if you have any other questions :-)
if anyone could complete this timeline in order, left to right, that'd be much appreciated :)
Explanation:
if anyone could complete this timeline in order, left to right, that'd be much appreciated :)
hope it is helpful to you
The graph shows ice core data that illustrate historical trends in the amount
of carbon dioxide in Earth's atmosphere. Scientists attribute global warming
to recent increases in human activities that produce carbon dioxide. Which
kind of data would show that a new solution to the problem of global
warming is working?
A. Historic atmospheric CO2 levels would be the same as current
levels
B. Current atmospheric CO2 levels would be increasing at a steady
rate.
C. Historic atmospheric CO2 levels would no longer appear to
increase over time.
D. Current atmospheric CO2 levels would be increasing more slowly.
Answer: D. Current atmosphere CO2 levels would be increasing more slowly.
Explanation: A P E X
The graph shows historical trends in the amount of carbon dioxide in Earth's atmosphere. The data would show that a new solution is Historic atmospheric CO2 levels would no longer appear to increase over time.
What can cause the increase of CO2 in the atmosphere?In the last 200 years, the concentration of carbon dioxide in the atmosphere has increased by 27% — due to the burning of fossil fuels with the beginning of the industrial age and deforestation — with half of this increase occurring in the last 30 years.
A possible solution to reduce CO2 emissions would be to store it in underground brine, also generating geothermal energy and methane as fuels. So in the future, we will see a historic atmospheric CO2 levels would no longer appear to increase over time.
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5. Terrace Farming is done in in hilly and mountainous region.why?
Answer:
Terrace farming is a soil-erosion prevention measure utilized by the Ifugaos in the ever-famous Banaue Rice Terraces.
A little bit of physics analysis for this matter. Gravitational pull is always downward. A certain element like water, coming from the top of the mountain, will definitely have an enormous momentum going down. As the water goes downwards, it accumulates a lot of water. So the force it produced is so enormous that can erode the soil whenever it touches it.
To counter this scenario, you have to build a neutral ground, a step in the form of a terrace, to slow down or eradicate the momentum going downhill by the water. On every terrace, the water will just spill over another terrace until it reaches the lowest terrace down the mountain.
Which type of ecosystem has the greatest variation in temperature from its top to its bottom?
A. lake
B. pond
C. ocean
D. estuary
Answer:
C. ocean
This is the correct option, hope it helped :)
Due to changes in solar radiation and the physical characteristics of water, the temperature of ocean water fluctuates depending on location. Therefore, option (C) is correct.
What causes temperature variation ?Epipelagic, Mesopelagic, Bathypelagic, Abyssopelagic, and Hadalpelagic zones are the five main oceanic divisions. Mesopelagic zone is the oceanic zone that exhibits the highest temperature change with depth.
Ocean waters in high latitudes receive less heat from the sun; the poles only get 40% of the heat than the equator does. Because of these differences in solar radiation, the temperature of the ocean's surface can range from a balmy 30°C (86°F) in the tropics to a bitterly cold -2°C (28°F) towards the poles.
As greenhouse gases capture more solar energy, the oceans absorb more heat, resulting in higher sea surface temperatures and rising sea level. Changes in ocean temperatures and currents caused by climate change will cause changes in global climate patterns.
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What are examples of gram-positive rods?
Some examples of Gram-positive rods include: Bacillus species, Clostridium species, and Corynebacterium species.
Gram-positive rods are a group of bacteria that have a characteristic shape and staining pattern when viewed under the microscope.
Bacillus species: This is a genus of bacteria that includes a wide variety of species, many of which are found in soil. Bacillus species are known for their ability to form spores, which allow them to survive in harsh environments.
Clostridium species: This is another genus of spore-forming bacteria that are typically found in soil and other environments. Some species of Clostridium are important pathogens, such as Clostridium botulinum, which produces the potent neurotoxin responsible for botulism.
Corynebacterium species: This is a diverse group of bacteria that includes both pathogenic and non-pathogenic species. Some species of Corynebacterium are associated with human infections, such as Corynebacterium diphtheriae, which causes diphtheria.
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Which statement best summarizes how human lifestyles are currently affecting the sustainability of resources on Earth?
Answer:
A reduction of carbon by half would stop the increase in global temperatures immediately and preserve the majority of resources on Earth
Explanation:
I liedmy mum that was offering economics and she said she'll go to my school cuz I came late what should I do please
Answer:
Run away from home
Explanation:
Answer: Just be upfront and honest. Punishments are temporary experiences are forever.
FILL IN THE BLANK. after the centromeres separate during mitosis, the sister chromatids, now called _______, move toward opposite poles of the spindle.
After the centromeres separate during mitosis, the sister chromatids, now called daughter chromosomes, move towards the opposite poles of the spindle.
Mitosis is the process by which somatic cells divide to produce two genetically identical daughter cells. The different stages of mitosis are prophase, metaphase, anaphase, and telophase. During prophase, the chromosomes become condensed and visible, and the spindle begins to form.
The nuclear envelope begins to disintegrate, allowing the spindle fibres to attach to the kinetochores located at the centromeres of the chromosomes. During metaphase, the chromosomes align at the equatorial plate, the spindle fibers attach to the kinetochores at the centromeres, and the sister chromatids of each chromosome are under tension and ready to separate.
This is the phase where the chromosomes are located at the center of the spindle apparatus.During anaphase, the spindle fibers begin to shorten, pulling the sister chromatids apart towards opposite poles of the spindle. The sister chromatids are now referred to as daughter chromosomes.
During telophase, the daughter chromosomes reach their respective poles, and the nuclear envelope reforms around each set of chromosomes. Cytokinesis, the physical separation of the two daughter cells, occurs during telophase as well.
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Mitosis is the final stage of cellular division where the nucleus divides. In order to divide correctly, spindle fibers maneuver the chromosomes to where they line up in the center of the cell. Which stage of mitosis does this occur in?
A.anaphase
B. telophase
C. prophase
D. metaphase
Answer:
D
Explanation:
Metaphase is the stage the linesa up the center of the cell.
Mitosis is the final stage of cellular division, where the nucleus divides. The stage of mitosis where spindle fibers maneuver the chromosomes is metaphase. The correct option is D.
What is mitosis?Mitosis is a process of cell division. This process occurs in all eukaryotic cells. The process completes in four stages. The process divides and grows the cell population.
The four stages of mitosis are:
Prophase: This is the first stage of mitosis. During this, the cell starts to break, and the chromosomes start to condense.Metaphase: This is the second stage. During this stage, the chromosomes line up in spindle fiber and a checkpoint is also established.Anaphase: During this stage, the sister chromatids divide and lined up and the division of chromosomes happens. Telophase: This is the last stage. The nucleus closed and the nuclear membrane formed. It is also called cytokinesis.Thus, the correct option is D. metaphase.
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Alion eats the meat of a buffalo. How do the molecules in the buffalo most likey act as building blocks for the
lion?
Answer:
ATP production
Explanation:
When the lion eats the buffalo, the eaten material is broken down to give ATP (Adenosine Triphosphate), which in turn helps the body in its metabolic processes like the synthesis of carbohydrates and proteins, which act as a building block for the lion.
Need help 50 points feel the boxes
Answer: after organelles it cells,tissues,organs,organ system then it give you the last one which is organism.
Explanation:
Which of the following is one benefit of using a model of the nitrogen cycle? (1 point)
O shows all of the elements interacting
O accurate data is available about how nitrogen increases affect the hydrosphere
o allows the scientist to see all of the inputs and outputs objectively
o the model is based on an uniform and measurable scale
Answer: D: The model is based on an uniform and measurable scale.
Explanation: Because. :/
If you are on the top a mountain and drop an apple, it
will fall to the ground, even though the apple is
gravitationally attracted to you. Why?
a)Earth is larger and has a much stronger
gravitational pull
b) Apples always fall down
C) Centrifugal forces pull the apple to the Earth
and that is stronger than your gravitational pull
d) None of these
Please help ASAP. Does anyone know what type of species of sea turtles this is?
Answer:
i wouod say the answer is a sea turtle
Identify the model that best represents the plasma membrane of a hypothetical cell that exists in a nonaqueous environment and whose eytosol is similar to that of an animal cell. Provide TWO pieces of reasoning to support your identification.
Answer:
The models are missing in the question. The models along with the question is provided in the attachment below.
The answer is : Model A represents the Plasma membrane.
Explanation:
According to the question, model A represents the plasma membrane. The reasons are :
(a). In the model A, the bilayers consists of two leaflets of the amphipathic lipid molecules. Here the polar head groups is in contact with the intra cellular or the extra cellular non aqueous phase, where the non polar tails are facing each other constituting the hydrophobic interior of the membrane.
(b). Lipid are not rigid as well as static structure. In the lipid bilayer, the lipid molecule are able to rotate around their axis freely and diffuse laterally with each leaflet.
(c). The plasma membrane acts as the selective plasma membrane.
In an earthworm is the dorsal blood vessel or the ventral blood vessel larger?
Answer:
Dorsal lol, its contracts and pumps blood to the aortic arches.
A child is being seen in the emergency department (ED) after ingesting crayons with lead in them. He is disoriented and having seizures. The provider suspects he has which of the following?
Encephalitis
Viral meningitis
Meningioma
Bacterial meningitis
The provider suspects the child has Bacterial meningitis. Option 4 is correct.
Bacterial meningitis is a serious infection of the meninges, the membranes that surround the brain and spinal cord. It is caused by bacteria that enter the bloodstream and travel to the meninges. Bacterial meningitis can be life-threatening, and it is important to seek medical attention immediately if you suspect that you or someone you know has it.
The child in the question is experiencing symptoms that are consistent with bacterial meningitis, including disorientation, seizures, and fever. Lead poisoning can also cause these symptoms, but it is less likely to do so in the absence of other symptoms, such as vomiting, constipation, and abdominal pain.
The provider will likely order a lumbar puncture to confirm the diagnosis of bacterial meningitis. A lumbar puncture is a procedure in which a needle is inserted into the spinal canal to collect a sample of cerebrospinal fluid (CSF). The CSF will be analyzed to look for bacteria.
If the child is diagnosed with bacterial meningitis, he will be treated with antibiotics. The antibiotics will be given intravenously, and the child will likely need to stay in the hospital for several days.
Bacterial meningitis is a serious illness, but it is treatable with antibiotics. With prompt diagnosis and treatment, the child is likely to make a full recovery.
Here are some other symptoms of bacterial meningitis:
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the soft spot between the cranial bones is called the
Fontanelle is the tissue located between the largest plates of the skull. The correct word to complete the sentence is fontanelle.
What is the fontanelle?Fontanelle is soft part of the skull located in an area where the large plates have not fused yet. This region is very sensitive in babies, and when they are unusually large they might reflect a medical condition.
There are two fontanelles,
The anterior fontanelle, where frontal and parietal bones meetThe posterior fontanelle, where the parietal and the occipital bones meetThe soft spot between the cranial bones is called the fontanelle.
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