The muscle contraction mechanism that moves an egg down the fallopian tube toward the uterus is the same mechanism that moves?
Answers
The muscle contraction mechanism that moves an egg down the fallopian tube toward the uterus is the same mechanism that moves food from the esophagus to the stomach.
The food we eat is swallowed down by the esophagus. The food is moved down by the muscular contractions of the layers of the esophagus. These movements are called peristaltic movements or peristalsis. These peristaltic waves also help in the movement of food down the stomach into the intestine and then to the anus.
The ovum is released by the ovaries and is captured by finger-like projections of the oviduct. The fallopian tube or the oviduct allows fertilization in its ampullary region by the sperm. The mucosal lining of the fallopian tube releases some secretions into it for the nourishment of egg and sperm. These secretions include glucose, bicarbonate, calcium, sodium, chloride, and proteins. The mucosal lining has cilia which aid in the movement of a fertilized egg, called a zygote, toward the lumen of the uterus.
The distance covered by the zygote toward the lumen is dependent upon the peristalsis of the fallopian tube. Similarly, the food moved down the esophagus from the mouth to the stomach or anus is dependent upon the peristalsis of the esophagus and stomach linings.
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Related Questions
Convection occurs because heated material becomes ____________________. A less dense and rises B denser and rises C denser and sinks D less dense and sinks
Answers
Answer: A less dense and rises
Explanation:
Convection is a type of heat transfer happens when there is a movement of fluid (liquid or gas) in which convection currents are produced due to the movement of hot fluid upwards and cold fluid downwards. This happens as the density of hot fluid decreases due to presence of less number of mmolecules per unit volume. As the hot liquid becomes less dense, it starts moving upwards.
Thus convection occurs because heated material becomes less dense and rises.
What two layers of the ophiolite sequence are compositionally similar, but formed in different areas with respect to the crust?
Answers
pillow lavas and gabbro are the two layers of the ophiolite sequence that are compositionally similar but formed in different areas with respect to the crust
An ophiolite refers to a portion of the earth's crust and mantle that Is exposed onto its surface at the sea floor. They are important records of calamities and the evolution of magma. The minerals usually associated with ophiolites are chromite, copper, iron-nickel laterite, titanomagnetite, and platinum group elements (PGE).
The layers of an ophiolite sequence are peridotite, layered gabbro, massive gabbro, and volcanic rocks. Of these layers, structurally similar layers are gabbro and pillow lavas. In some places, the ophiolite sequence is as thick as 15km. Ophiolites are most commonly seen in Japan.
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the name of Abraham father in the bible
Answers
Answer:
I believe it's Terah
Explanation:
yes and stuff I think so slay
A molecule has been isolated from a cell. The molecule is found to be in a ring shape made up of carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio. Choose all the statements that apply to this molecule.
Answers
Based on the information given, the following statements likely apply to the molecule:
- The molecule is an organic compound, as it contains the elements carbon, hydrogen, and oxygen.
- The molecule is likely a carbohydrate, as many carbohydrates have a ring shape and a 1:2:1 ratio of carbon, hydrogen, and oxygen atoms.
- The molecule is likely a sugar, as many sugars are ring-shaped carbohydrates
- The molecule is likely a monosaccharide. Monosaccharides are simple sugars and are the building blocks of more complex carbohydrates like disaccharides and polysaccharides. They are composed of C, H, and O in a ratio of 1:2:1, fitting the information provided.
- The molecule is likely to be a cyclic compound, due to the ring shape made up of atoms.
It is important to note that this information is not enough to definitely identify the molecule, there are several compounds that can fit in this description such as Glucose, Fructose, and Ribose. Additional information and testing would be needed to definitively identify the molecule.
Biomagnification is... concentration of a contaminant stays the same as you move to higher trophic concentration of a contaminant increases as you move to higher trophic level concentration of a contaminant increases as an individual grows concentration of a contaminant stays the same as an individual grows
Answers
Answer: Biomagnification refers to the process by which the concentration of a contaminant increases as you move to higher trophic levels in a food chain or food web. In other words, as organisms consume other organisms, the contaminants present in the prey accumulate and become more concentrated in the bodies of the predators.
To understand this process, let's consider an example involving a water ecosystem. Suppose a pollutant is released into the water, such as a pesticide or heavy metal. The primary producers, such as algae or aquatic plants, absorb small amounts of the contaminant from the water. As herbivorous organisms consume these primary producers, they ingest the contaminants along with their food.
Since the contaminant is not easily broken down or eliminated from the organisms' bodies, it accumulates over time. As a result, the concentration of the contaminant becomes higher in the herbivores than in the primary producers. Now, when carnivorous organisms consume the herbivores, they not only accumulate the contaminant from their own food but also from all the prey they have consumed. This leads to an even higher concentration of the contaminant in the carnivores.
Therefore, biomagnification describes the phenomenon where the concentration of a contaminant increases significantly as you move up the food chain or trophic levels. The highest concentration of contaminants is often found in top predators, such as large fish, birds of prey, or mammals, which can have adverse effects on their health and reproductive capabilities.
It's important to note that biomagnification primarily occurs for persistent and non-biodegradable contaminants that cannot be easily metabolized or excreted by organisms. These contaminants are often lipophilic (fat-soluble), which allows them to accumulate in fatty tissues and remain in the organism's body for long periods, leading to biomagnification.
Explanation:
What determine what people look like
1. Carbonhydrates
2. Lipids
3. Nucleic acids
4. Proteins
Answers
Answer:
Nucleic Acids
Explanation:
Nucleic acids link together to form DNA, which determines the different traits people have, directly relating to appearance.
What is the role of the cell membrane?
to control the functions of the cell
to provide a firm structure for the cell
to control what enters and leaves the cell
Answers
Answer:
To control what enters and leaves the cell.
Explanation:
The role of the cell membrane is to control what enters and leaves the cell.
(AKS 1a/DOK 2) Usain Bolt was on his way to run a race. Before he left the house, his friend gave him an apple and said this will help you win the race.
Explain how eating the apple would benefit the runner
O A. The chloroplasts in the apple tree produced glucose which is the product of photosynthesis for the apple. When Usain ate the apple the glucose
provided energy for the mitochondria in his legs to increase his energy for the race,
B. The apple contains nucleotides from the tree's DNA, Usain ate the apple and used this DNA to help control the cells and run faster
OC. The apple tree performed cellular respiration in it's chloroplasts to produce protein in the apple which provided energy for Usains mitochondria in his
leg muscles
D. The tree produces lipids when it perfogms photosynthesis, these lipids then enter his golgi bodies where ribosomes make energy for him to run faster.
25
Answers
Answer:
A
Explanation:
...
classify the given items with the appropriate group cell body is in the brainstem
Answers
The cell body in the brainstem belongs to the group of structures within the central nervous system (CNS).
The brainstem is a vital part of the central nervous system (CNS). It is located at the base of the brain and connects the brain with the spinal cord. The brainstem consists of several structures, including the midbrain, pons, and medulla oblongata.
The cell body, also known as the soma, is a key component of a neuron. It contains the nucleus and other cellular organelles responsible for the normal functioning of the neuron. In the context of the brainstem, the cell bodies of various neurons are present within its structures.
Neurons in the brainstem play essential roles in regulating vital functions such as breathing, heart rate, and blood pressure. They also serve as relay stations for transmitting signals between the brain and spinal cord.
Therefore, the cell bodies present in the brainstem are classified within the group of structures that make up the central nervous system (CNS).
These cell bodies contribute to the overall functioning of the brainstem and are involved in coordinating important physiological processes necessary for maintaining homeostasis and proper bodily function.
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Q. Classify the given items into the appropriate group: Where is the cell body located in the brainstem?
Who is the 14th President?
A. President Obama
B. President Garfield
C. President Abraham
D. President Clinton
Answers
Answer:
Franklin Pierce actually
classify each of the characteristics as being exclusive to photosynthesis, exclusive to cellular respiration, or shared by both photosynthesis and cellular respiration.
-requires sunlight to proced
-generates energy using a proton (H') gradient
-synthesizes carbohydrates to store energy
-Occurs in the chloroplass of plant cells
-requires an electron transport chain
-occurs in both plan and animal cells
-occurs in plants
-releases carbon dioxide (CO2).
Answers
Characteristic exclusive to photosynthesis are Requires sunlight to proceed; Synthesizes carbohydrates to store energy; Occurs in the chloroplast of plant cells and occurs in plants. Characteristics exclusive to cellular respiration are Occurs in both plant and animal cells and releases carbon dioxide (\(CO_{2}\)). Generation of energy using proton(H') gradient and require of electron transport chain are common to both.
The characteristics mentioned in the question can be classified into three categories, i.e., exclusive to photosynthesis, exclusive to cellular respiration, or shared by both photosynthesis and cellular respiration. The classification is given below:-
Exclusive to photosynthesis- Requires sunlight to proceed; Synthesizes carbohydrates to store energy; Occurs in the chloroplast of plant cells; Occurs in plants. Exclusive to cellular respiration- Occurs in both plant and animal cells; Releases carbon dioxide (\(CO_{2}\)).Both Photosynthesis and Cellular Respiration- Generates energy using a proton (H') gradient; Requires an electron transport chain.Photosynthesis is the process in which green plants and some organisms convert light energy into chemical energy, and cellular respiration is a process in which chemical energy is extracted from organic matter.
In photosynthesis, light is required to proceed, which is not needed in cellular respiration. It can be classified as exclusive to photosynthesis. Both photosynthesis and cellular respiration generate energy using a proton gradient. Hence, it can be classified as both photosynthesis and cellular respiration.Synthesizing carbohydrates to store energy is exclusive to photosynthesis. Photosynthesis helps in synthesizing glucose, which is an energy-storing molecule. Cellular respiration is not involved in synthesizing carbohydrates to store energy.The process of photosynthesis occurs in the chloroplast of plant cells, while cellular respiration occurs in the mitochondria of the cell. So, it can be classified as exclusive to photosynthesis.The electron transport chain is an important part of both photosynthesis and cellular respiration. Hence, it can be classified as both photosynthesis and cellular respiration.Cellular respiration occurs in both plant and animal cells as it involves the process of breaking down glucose to produce energy. On the other hand, photosynthesis occurs only in plant cells. Hence, it can be classified as cellular respiration. Releasing carbon dioxide (\(CO_{2}\)) is a product of cellular respiration, not photosynthesis. Therefore, it can be classified as cellular respiration.Read more about "Photosynthesis" ; https://brainly.com/question/18172762
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Why did the process result in no change in number?
Answers
The mass number and atomic number of a nuclide do not change as a result of the nuclear process known as gamma decay.
What is Gamma rays?Radiations with no mass or charge are known as gamma rays. The energy of the nucleus is lost due to gamma decay.
The electromagnetic spectrum includes all waves, but gamma rays are the most energetic and have the smallest wavelengths.
The universe's hottest and most energetic objects, including as neutron stars and pulsars, supernova explosions, and regions near black holes, all produce them. Nuclear explosions, lightning, and the less dramatic process of radioactive decay all produce gamma radiation here on Earth.
Therefore, The mass number and atomic number of a nuclide do not change as a result of the nuclear process known as gamma decay.
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All eukaryotic cells contain at least one Golgi complex, typically located in the cytoplasm and near the endoplasmic reticulum.
Which of the following best describes a process that occurs within the Golgi complex?
Answers
Answer: Enzymatic modification of newly synthesized integral membrane proteins
Explanation: got it right for AP Bio.
The correct answer that describes the process that occurs within the Golgi complex is the enzymatic modification of newly synthesized integral membrane proteins.
Once protein is synthesized, they undergo folding and repackaging within the endoplasmic reticulum before they are transported to the Golgi apparatus/complex.
Within the Golgi complex, the protein is modified enzymatically and encased in vesicles. It is then transported to the cell membrane where they are utilized as integral protein.
So, basically, the statement that best describes the process that occurs within the Golgi complex is the enzymatic modification of newly synthesized integral membrane proteins.
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IF SOMETHING IN THE ECOCOLUMN DIED IT WAS CONSUMED
BY?
Answers
If something in the ecocolumn died, it was likely consumed by decomposers.
Decomposers are organisms, such as bacteria, fungi, and detritivores, that break down dead organic material and recycle nutrients back into the ecosystem.
They play a crucial role in the decomposition process, breaking down organic matter into simpler compounds that can be used by other organisms.
Detritivores are larger organisms, such as earthworms, millipedes, and some insects, that feed on dead organic material. They physically break down the dead organism into smaller pieces, increasing the surface area available for decomposition by bacteria and fungi.
By feeding on the dead material, decomposers help to break it down and release nutrients, allowing them to be cycled back into the ecosystem and utilized by other living organisms.
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Students are using beads of different colors to represent the molecules in food. The beads can be connected in chains in different arrangements to represent different kinds of molecules.What is the best way for the students to use the beads to represent the processes of photosynthesis and cellular respiration that allow plants and animals to get the energy they need?
Answers
Answer:
Combine the beads in chains, take them apart, and then put htem togehter in new chains
Explanation:
which of the following is not one of charles darwin's observations? question 3 options: a) a population avoids competition by producing only as many offspring as can successfully reproduce on their own. b) individuals in a population vary in their traits. c) many of the traits in an individual are heritable. d) species generally are adapted to their environments.
Answers
The following one is not of charles darwin's observations: option (A) - which states that "a population avoids competition by producing only as many offspring as can successfully reproduce on their own."
This statement is not one of Charles Darwin's observations. Charles Darwin's observations were mainly focused on how species change over time due to their environment.
He observed that species are constantly adapting to their environment and that over time, traits within a population can change to help the species survive in a changing environment. Charles Darwin's observations also included how individuals within a population vary in their traits, how many of the traits in an individual are heritable, and how species are adapted to their environments.
Darwin concluded that competition for survival was responsible for the variation in traits and that those traits best suited for survival would be passed down to offspring. Darwin also found that these changes happen gradually over time.
To summarize, the answer to the question is option A, which states that "a population avoids competition by producing only as many offspring as can successfully reproduce on their own." This statement is not one of Charles Darwin's observations, which mainly focused on how species change over time due to their environment.
His observations included how individuals within a population vary in their traits, how many of the traits in an individual are heritable, and how species are adapted to their environments.
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Mary is campaigning for improved air quality in her city. she is very concerned about carbon and methane outputs, but not phosphorous. why is that?
Answers
In her city, Mary is advocating for better air quality. She is really worried about emissions of carbon and methane but not phosphorous. She believes that phosphorus improves the quality of the air.
Why does methane cause so much global warming harm?Methane reacts in a number of dangerous ways as it is released into the atmosphere. For starters, methane typically exits the atmosphere through oxidation, when it is converted to carbon dioxide and water vapor. Methane, therefore, not only directly but also indirectly through the emission of carbon dioxide, contributes to global warming.Why is the problem of carbon emissions?CO2 emissions trap heat in the atmosphere like a blanket, warming the planet as a result. The Earth cannot cool due to this layer, which results in an increase in global temperatures. Sea levels, weather patterns, food and water supply, and environmental conditions would all be impacted by global warming.The benefits of phosphorus on the environmentFor plants and animals to flourish and for agricultural and livestock production to remain viable, phosphorus (P) is a crucial ingredient. Eutrophication, the natural aging process that lakes or streams go through as a result of nutrient enrichment, is another way that it might boost the biological productivity of surface waters.learn more about phosphorous here
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Answer:
Phosphorous is most commonly found as phosphate rock
Explanation:
How many grams are in 2 pounds? 1 pound = 0.45kg
Answers
Reasoning: multiply the mass value, 2 pounds, by 453.592
Answer:
900 grams
Explanation:
So first change pounds to kilograms so multiply 2 by 0.45 which is 0.9 kg.
0.9 kg to grams multiply by 1000 which is 900g.
HOPE THIS HELPED
For numbers 11-20, identify on what type of aquatic organisms
they belong. Choices are:
Benthos
b.
nektons c. neustons d. periphytons e. plankton
Answers
The type of aquatic organisms the given organisms in 11- 20 belong to is Benthos. The correct option is A.
What are Benthos organisms?Benthos organisms are organisms that inhabit the bottom or substrate of a body of water, such as oceans, seas, lakes, rivers, or streams.
They are commonly found in close proximity to the seabed or the floor of freshwater systems. Benthos organisms can include a wide range of organisms, including plants, animals, and microorganisms.
These organisms are specially adapted to live in the benthic zone, which is the ecological region that encompasses the sediment or substrate and the water immediately above it.
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Complete question:
For numbers 11-20, identify on what type of aquatic organisms they belong. Choices are:
Benthos b. nektons c. neustons d. periphytons e. planktons
_____ 11. starfish
_____ 12. Water snake
_____ 13. sponges
_____ 14. octopus
_____ 15. jellyfish
_____ 16. lobsters
_____ 17. Whirligig beetles
_____ 18. hydra
_____ 19. whales
_____ 20. Diatoms
what do the two strands of DNA join together to form
Answers
Answer:
the two strands that join together are T-A the other two are G-C.
Explanation:
in dna these two strands pair together to make one
An abnormality in an individual's DNA is called a (n)
A. mRNA transcription
B. genetic disorder
C. base pair option
D. mitochondrial mistake
Answers
Answer:
i think it's b( I'm not 100% sure)
Natural selection ________. Group of answer choices does not affect allelic frequencies results in evolutionary adaptation is a very rare phenomenon prepares organisms for future changes in the environment
Answers
Natural selection results in evolutionary adaptation.
Here, correct option is B. results in evolutionary adaptation.
Natural selection is the process by which organisms with favorable traits are more likely to survive and reproduce than their less-favorable counterparts. This process results in the adaptation of species over time.
As the organisms with favorable traits pass on the genes that produced these traits to the next generation, while those with unfavorable traits are weeded out. Natural selection does not affect allelic frequencies, but rather the frequencies of phenotypes, or the observable characteristics of a species.
Natural selection is a very rare phenomenon, as the environment is constantly changing and organisms must constantly adapt to survive. This process of adaptation prepares organisms for future changes in the environment, allowing them to survive in changing conditions and reproduce to pass on their favorable traits.
Therefore, correct option is B.
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complete question is :-
Natural selection ________. Group of answer choices
A. does not affect allelic frequencies
B. results in evolutionary adaptation
C. is a very rare phenomenon
D. prepares organisms for future changes in the environment
why are some molecules polar and others non polar
Answers
Answer:
Polarity and Non-polarity of molecules depend upon the electronegativity. The theory of electronegativity lies in entire inorganic chemistry. The more electronegative an atom, the more it seeks electrons. If one atom is more electronegative than others, it can form an ionic bond or a polar covalent bond.
Explanation:
__________ is a single-stranded molecule made of nucleotides of bases uracil, adenine, guanine, and cytosine
Answers
i need helppp please can someone write it on a piece of paper or sum
Answers
Answer:
Yo, here
Explanation:
In the picture. Sorry for the bad handwriting.
Hope this helps!
Peptide growth factors act through which of the following types of signal receptors? G protein-coupled receptors O ligand-gated ion channels O receptor tyrosine kinases intracellular receptors
Answers
Peptide growth factors act through receptor tyrosine kinases types of signal receptors. Peptide growth factors are substances that control cell growth and differentiation in multicellular organisms.
Peptide growth factors stimulate cellular proliferation and differentiation, as well as the synthesis of extracellular matrix components, and are essential for the growth and maintenance of normal tissues. Increased cellular proliferation, a fundamental feature of cancer, has been linked to increased peptide growth factor synthesis and release by the host. Peptide growth factor receptors are a vital component of the intracellular signaling systems that control gene expression and cell behavior in response to various extracellular stimuli. Receptor tyrosine kinases have intracellular tyrosine kinase activity, which is activated when peptide growth factors bind to the extracellular domain of the receptor.
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living things are made up of cells and the product of cells. Explain what this means
Answers
Answer:
A living thing's first feature is that it is made up of cells. A cell is the basic structural unit of all organisms. It is the smallest organization structure in a living thing. They contain the organism's genetic information (DNA) and can replicate themselves in a process known as mitosis.
If the temperatures continue to
rise, what effect will that have on the oceans’ ability to retain CO2? How might this change affect the
atmosphere?
Answers
If temperatures continue to rise, it is expected that the oceans' ability to retain CO2 will decrease. This is because warmer water has a reduced capacity to dissolve gases, including carbon dioxide.
This change can have significant effects on the atmosphere. The release of CO2 from the oceans would contribute to an increase in atmospheric CO2 levels, exacerbating the greenhouse effect and global warming. Higher CO2 concentrations in the atmosphere further trap heat, leading to more temperature rise and climate change. This feedback loop can intensify the impacts of global warming, including rising sea levels, altered weather patterns, and ecological disruptions
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What is the function of cilia in the respiratory system? A. Move gases into the blood. B. Move food into the stomach. C. Move mucus into the throat. D. Move air into the lungs
Answers
Answer:
C or B sorry if I didn't help you
Explanation:
have a great day buddy
what is a hasty generalization in your own words
need help ASAP