which of these structures in the kidney is sensitive to changes in the volume and pressure of blood and can release renin to regulate the changes?
Answers
The structure in the kidney that is sensitive to changes in the volume and pressure of blood and can release renin to regulate the changes is the juxtaglomerular apparatus.
This structure is located near the glomerulus of each nephron in the kidney and is made up of specialized cells, including the juxtaglomerular cells and macula densa cells. The juxtaglomerular cells respond to changes in blood pressure by secreting renin, which initiates a series of hormonal reactions that ultimately increase blood pressure and blood volume. The macula densa cells, on the other hand, are located in the wall of the distal convoluted tubule and are sensitive to changes in sodium and chloride levels in the filtrate. When sodium and chloride levels are low, these cells release a signal that triggers the juxtaglomerular cells to secrete renin.
Together, these structures help to regulate blood pressure and volume by responding to changes in the body's fluid balance. When blood pressure drops or fluid volume decreases, the juxtaglomerular cells release renin, which ultimately leads to the reabsorption of more water and sodium from the filtrate, increasing blood volume and pressure. Overall, the juxtaglomerular apparatus plays a crucial role in maintaining homeostasis and ensuring that the body's fluid and electrolyte balance remains within a healthy range.
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Related Questions
How does acid rain cause animals to suffer?
their habitats are destroyed by the severe weather rain can bring
animals can only find food in dry weather so they often go hungry during rain
O acid rain causes their to be less plants for animals to eat
acid rain is only a problem for humans
Answers
Acid rain harms numerous animals and plants. Thus, the food web suffers. Acid rain kills lake phytoplankton. As a result, phytoplankton-dependent insects die. Therefore, option (C) is correct.
What is acid rain?Acid rain, also known as acid deposition, is an all-encompassing word that refers to any form of precipitation that contains acidic components, such as sulfuric or nitric acid, and that falls to the ground from the atmosphere in either a wet or dry form. Acid precipitation can take several forms, such as rain, snow, fog, hail, or even dust.
Rain that contains acid can provide significant challenges for a wide variety of flora and fauna. As a direct consequence of this, the entire food web is disrupted. For instance, phytoplankton in lakes might perish as a direct result of acid rain. As a result of there being less phytoplankton available, the insects, which get their nutrition from it, are starting to starve to death.
Therefore, option (C) is correct.
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Viruses are particles that Select one: a. contain DNA or RNA which can be injected into a cell. b. have an exterior coat composed of protein. c. can contain an enzyme which catalyzes the reaction to make DNA from the viral RNA. d. All of these answer choices are correct.
Answers
Answer:
d. All of these answer choices are correct.
Explanation:
Viruses have an exterior coat composed of protein, the capsid. Inside of it, there is DNA or RNA. When the virus has RNA, it has an enzyme that allows the synthesis of DNA from RNA. This type of virus is a retrovirus since it does the inverse process, from RNA, it gives DNA and not the other way round.
First, as the capsid has proteins, it attaches to a receptor in the cell's membrane. Then the DNA or ARN enters the cell taking it as a host since it uses the cell's structure to replicate the viral DNA and make viral proteins and DNA that then it assembles to form new viruses that will be released to infect other cells.
question in pic! will give brainliest
Answers
Answer:
denitrification
Explanation:
Denitrification occurs when N is lost through the conversion of nitrate to gaseous forms of N, such as nitric oxide, nitrous oxide and dinitrogen gas. This occurs when the soil is saturated and the bacteria use nitrate as an oxygen source. De-nitrification is common in poorly drained soils.
what are the monomers for each of the 4 biomolecules?
Answers
Answer:
protiens: amino acids
lipids: fatty acid and glycerol
carbohydrates: monosaccharides
nucleic acid: nucleotides
Explanation:
Scientists are studying cellular respiration in a river ecosystem that has plants, animals, and
decomposers (which consume dead things). Which group or groups of organisms in the river
carry out cellular respiration?
Answers
Answer:
The answer is all living things
Explanation:
It is all living things because cellular respiration is needed for all living things bc it is breathing
All the organisms in the river will carry out cellular respiration.
What is cellular respiration ?Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy into adenosine triphosphate, and then release waste products.
Since all the life forms require energy to perform the metabolic activities, therefore all the living organisms carry out cellular respiration. Cellular respiration can occur both aerobically, or anaerobically.To know more about cellular respiration here
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what are 3 major common features of all cells?
Answers
Answer:
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The 3 major common features of all cells are :-
Cell MembraneCytoplasmNucleus (or nuclear region)꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐
•cell membrane.
•Ribosomes
•Cytoplasm
Also The cell theory of Schleiden and Schwann states that
'Every cell arise from pre existing cells.'
Thank me later
true/false. different cells use different transcription units. different cells use different polyadenylation sequences. different cells splice the same transcript differently. different mesoforms are produced. actually, different cell types make the same protein.
Answers
Different cells use different transcription units. Different cells use different polyadenylation sequences. Different cells splice the same transcript differently. Different isoforms are produced. Different cell types make the same protein. The following statement is true.
Different cells use different transcription units, which are regions of DNA that are transcribed into RNA molecules. Different cells also use different polyadenylation sequences, which are the sequences of RNA that signal the addition of the poly(A) tail during mRNA processing. Additionally, different cells can splice the same transcript differently, resulting in different mRNA isoforms. These different mRNA isoforms can produce different protein isoforms, or meso forms, which have slightly different amino acid sequences and functions. Despite these differences, different cell types can still make the same protein, as long as they share the same coding sequence in the mRNA.
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write the useful effects and harmful effects of fungi.
Answers
Answer:
Some of the harmful activities are:
Fungi Causing Plant Diseases: Fungi cause several minor and major plant diseases. ...
Fungi Causing Human Diseases: ...
Fungi Causing Animal Diseases: ...
Fungi Causing Disease of Vegetables and Fruits: ...
Spoilage of Food: ...
Destruction of Timber: ...
Destruction of Goods: ...
Poisonous Fungi:
Harmful effects: fungi causes plant and human diseases, destruction of timber and goods.
What animal is the closest cousin to dolphins. Explain the proof behind this evolutionary connection.
Answers
Sharks and dolphins are not closely related, and their comparable body types were not inherited from a single ancestor. Their dorsal fins, flippers, and sleek bodies are the consequence of convergent evolution.
What animal is the closest cousin to dolphins?According to a team of scientists, an extinct deer-like creature the size of a fox or raccoon is more closely related to whales, dolphins, and porpoises than the hippopotamus, which is the assumption made by the public.
You might not be aware of the intimate relationship between dolphins and whales. The zoological group Cetacea is made up of mammals including whales, dolphins, and porpoises.
There are 36 species of dolphin in the Delphinidae family. Because several dolphin family members share the word whale in their common name, it can occasionally be confusing.
Even-toed ungulates like camels and cows are today's closest living cousins of dolphins, with the modest hippopotamus being the next-closest.
Therefore, Sea turtles animal is the closest cousin to dolphins.
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3. Carbon can also be harmful. Describe one major way that carbon is threatening
our way of life on Earth.
HELPPP ME
Answers
Carbon can also be harmful because a large amount of carbon is increasing the warmth of the earth. Carbon dioxide gas increases, lowering the pH of the ocean by the process called acidification, which is a threat to Ocean animals.
What is carbon?Carbon is an element or a substance that is present on earth in different forms full stop carbon is present in two forms on the earth, one is black and heart solid and one is gray and soft.
Carbon reacts with another element to produce different compounds, when carbon reacts with oxygen is produced carbon dioxide which is a very harmful gas for the earth and human beings.
Thus, as greenhouse gases are increasing including carbon dioxide the main threat to life and the earth is increasing of temperature which is melting the ocean and high temperature would not be best for all creatures.
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on a boat trip on Lake George in northern Florida, Ingrid noticed a plant species that covered most of the surface of the lake
late 1800s as a nursery plant. What effect did the water hyacinth most likely have on the native water plants?
Answers
Water hyacinth is a rapidly growing, free-floating aquatic plant species. It is considered to be an invasive plant that can have an adverse effect on the growth of native plant species.
Water hyacinth is an aquatic weed that grows in subtropical and tropical regions. It is a photosynthetic weed and is very productive.
Water hyacinth wreaks havoc on the ecosystem and disturbs aquatic life and the quality of water. Water hyacinth blocks photosynthesis, which in turn disturbs water quality. When water quality is reduced due to a lack of oxygen, it has a knock-on effect on aquatic organisms. Fish, aquatic plants, and other marine organisms are affected. Biodiversity is severely affected.
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Which verb correctly completes this sentence
The cabins are empty ___ to be renovated.
A. has
B. is
C. have
D. can
E. was
Answers
Answer:
has ?
Explanation:
Answer: The answer is A (has)
Explanation:
A large portion of precipitation in the rainforest occurs as a result of _______.
Answers
Answer:
transpiration
Explanation:
The answer is actually Transpiration. Transpiration by definition is the process where plants absorb water through the roots and then give off water vapor through pores in their leaves. In a rain forest, a lot of this occurs due to there being A LOT of plants.
Answer:
The answer is C Transition
Explanation:
As an animal grows, its mass increases. The matter that makes up this new mass comes mostly from
A. food that the animal has eaten and changed into other organic compounds.
B. air and water that the animal changes into organic compounds using the energy from sunlight.
c. organic compounds that the animal breaks down into water and carbon dioxide
D. substances that the animal has eaten but cannot digest.
Answers
Answer:
D
Explanation:
The caterpillar becomes bigger and bigger as it consumes food, until it is eventually prepared to change into a butterfly. Thus, option D is correct.
What are the matter involving in the growth of animals?They also get their energy from sunlight, which is utilized to maintain the conditions required for living.
Animals consume food and drink to get the substance and energy they require for their biological activities. Plants are one type of organism that can produce its own sustenance.
Metamorphosis is the process by which animals undergo significant changes throughout their life cycle. A mother butterfly, for instance, deposits eggs that develop into young caterpillars.
Sugars, a source of both energy and substance, are produced by plants using the energy from sunshine.
Therefore, substances that the animal has eaten but cannot digest.
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Which type of bond joins the COOH group of one molecule to the NH2 of another molecule?
Answers
Answer:
Peptide bonds
What are peptide bonds?A covalent bond formed by joining the carboxyl group of one amino acid to the amino group of another, with the removal of a molecule of water.
Peptide bonds are simply amide functional groups that link the amino acids in a protein.
A peptide possesses the covalent bonds which are formed by the reaction of carboxyl group of one amino acid with the amino groups other amino acids.
What is the bond that forms between two amino acids?A PEPTIDE bond will connect two amino acids to produce a molecule known as a dipeptide.
Each amino acid has one Carboxyl group (-COOH), one Amine group (-NH2), one hydrogen atom, and one variation (R) group connected to a primary carbon atom known as the alpha carbon. A dipeptide bond is created when the OH from one amino acid's carboxyl group reacts with one hydrogen (H) from another amino acid's amine group. Because a water molecule is eliminated during this event, it is classified as a hydrolysis reaction.
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write out the name of three bacterial genera that lack peptidoglycan and list the types of molecules that help stabilize their membranes
Answers
Answer:
Bacteria that lack a cell wall are
pleomorphic
planctomycetes
chlamydiae
mycoplasma
they have sterols in their membranes to help stabilize them
Explanation:
idek if this is gonna help but i tried
A hypothetical bacterium swims among human intestinal contents until it finds a suitable location on the intestinal lining. It adheres to the intestinal lining using a feature that also protects it from phagocytes, bacteriophages, and dehydration Fecal matter from a human in whose intestine this bacterium lives can spread the bacterium, even after being mixed with water and boiled. The bacterium is not susceptible to the penicillin family of antibiotics. It contains no plasmids and relatively little poptidoglycan. This bacterium's ability to survive in a human who is taking penicillin pills may be due to the presence of
A) gram-negative cell wall
B) peptidoglycan in the cell wall
C) lipopolysaccharides in the cytoplasm
D) long polypeptides in the cell wall
Answers
Answer:
the correct answer would be b
Explanation:
in flower beetles, gene s controls body size. the alleles for gene s are py (wildtype) and py (an amorph). the wildtype phenotypes is a fat body and the mutant phenotypes is a thin body.
Answers
In flower beetles, the gene "s" controls body size. There are two alleles for this gene: "py" representing the wildtype allele and "py" representing an amorph, or mutant, allele.
The wildtype phenotype associated with the "py" allele is a fat body, while the mutant phenotype associated with the "py" allele is a thin body.
The "py" allele likely encodes for a protein that is involved in regulating body size during development. In the wildtype individuals with the "py" allele, this protein functions normally, resulting in the development of a fat body.
However, in individuals with the mutant "py" allele, the protein is either non-functional or has a disrupted function, leading to the thin body phenotype.
The presence of the "py" mutant allele indicates a genetic variation within the population of flower beetles, which can contribute to differences in body size among individuals.
The study of this gene and its alleles can provide insights into the genetic basis of body size regulation and evolutionary processes in flower beetles.
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what happens to the stomata in the daylight hours
Answers
Answer:
they open up to get the energy from the sun.
Explanation:
Babies with very low or very high birth weight are less likely to survive. The graph shows the percentage of babies born at different weights. A graph entitled Percentage of Babies born at Different Weights has weight in pounds on the horizontal axis, and percentage on the vertical axis. A small percentage of babies are born at the low and higher birth weights, and a greater amount are around 7 to 8 pounds. Which statement is a valid claim that could be made using the data in the graph? Directional selection is occurring because the graph favors an extreme. Stabilizing selection is occurring because the average is favored. Disruptive selection is occurring because the two extremes are favored. Biodiversity variation is occurring because there is an increase in trait variation.
Answers
Answer:
Stabilizing selection is occurring because the average is favored.
Explanation:
There are different types of natural selection: sexual selection, stabilizing selection, directional selection, frequency-dependent selection, and disruptive selection.
Balancing selection, also called Stabilizing selection, eliminates individual with extreme traits and favors individual that exhibit medium-range characteristics, that gets to survive.
In the exposed example, babies with very low or very high birth weight have fewer possibilities to survive. Stabilizing selection eliminates individuals with extreme weight and favors individuals that exhibit medium weight, which are the ones that get to survive.
Answer: C.
Explanation:
edge 2021
how does the presence of lactose affect the lac operon system in e. coli?
Answers
In E. coli, the lac operon system is a genetic regulatory system that controls the expression of genes involved in the metabolism of lactose. The system consists of three genes - lacZ, lacY, and lacA - that are involved in the breakdown of lactose into glucose and galactose.
The lac operon is regulated by a repressor protein called LacI, which binds to the operator region of the operon and prevents transcription of the genes.
In the presence of lactose, a small molecule called allolactose is produced, which binds to the LacI repressor protein and causes it to release from the operator region. This allows RNA polymerase to bind to the promoter region and transcribe the genes necessary for lactose metabolism.
Therefore, the presence of lactose activates the lac operon system by relieving the repression of the LacI repressor protein, leading to the transcription of the genes necessary for lactose metabolism.
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During a parasitic tapeworm infection, you would expect to see increased numbers of?
Answers
During a tapeworm infection, you would expect to see increased numbers of eosinophils. Neutrophils are most effective at: fighting a bacterial infection.
Leukocytes protect the body against invading microorganisms and body cells with mutated DNA, and they clean up debris. Platelets are essential for the repair of blood vessels when damage has occurred; they also provide growth factors for healing and repair.
The granules of eosinophils include antihistamine molecules, which counteract the activities of histamines, inflammatory chemicals produced by basophils and mast cells. Some eosinophil granules contain molecules toxic to parasitic worms, which can enter the body through the integument, or when an individual consumes raw or undercooked fish or meat which causes infection.
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Where are proteins that are used in the cytoplasm translated?
Answers
Proteins that are used in the cytoplasm are translated in the cytoplasm itself, specifically on ribosomes.
Ribosomes are the molecular machines responsible for the synthesis of proteins by linking amino acids together in a specific order according to the instructions carried by messenger RNA (mRNA). Ribosomes facilitate the process of translation, converting the information from mRNA into the amino acid sequence of the protein.
The ribosomes themselves are made up of two subunits, one large and one small, and they can be found either free-floating in the cytoplasm or attached to the endoplasmic reticulum (ER).
Once the protein is fully synthesized, it can then be folded and modified as needed before carrying out its specific function within the cytoplasmic environment.
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Identifying DNA sequences through _____ has helped to identify and better understand similarities in DNA sequences across species.
Group of answer choices
paleontology
chemistry
comparative genomics
geology
Answers
Answer:
comparative genomics
Explanation:
Hope this helped u
Answer:
the first one??? id k
Explanation:
nice pfp like the chevy
a circle fence sourrounding a small yard mesure 84 meters in length if you walk from one side from the other through the middle what is the distance across the small yard
Answers
Answer: 26.75 meters.
2πr = 84
2 * 3.14 * radius = 84
radius = 84/6.28
r= 13.375
So the diameter will be 13.375 + 13.375 which is 26.75 meters.
In multicellular organisms, cells that do a specific job are often grouped together into masses or layers that are more complex systems. What ar these more complex systems called?
Answers
Answer:
Tissues.
Explanation:
In Multicellular organisms' cells that work together for a common focus are divided into different sects if you will, the basics of Organelles which group into Cells > Tissues which then combine into Organs > Organ Systems and then the Organism itself.
What is resource portioning
Answers
Answer:
Explanation:
Resource partitioning is the division of limited resources by species to help avoid competition in an ecological niche.
what is the production of an organism through genetic engineering that is identical to another
Answers
Answer:
cloning
Explanation:
name of compound of Ca(HCO)2
Answers
Answer:
Calcium bicarbonate
Explanation:
Which best illustrates how comparative anatomy supports the modern theory of evolution
Answers
Answer: Whales have finger bones in their fins is the one that best illustrates how comparative anatomy supports the modern theory of evolution.