Answers
Answer:
the central vacuole.
Explanation:
the vacuole is responsible for discarding waste within the cell.
Answer:
central vacoule because it is just like a vacum :)
Explanation:
Related Questions
An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.
Which statement correctly explains this?
Answers
For an organism that has 18 chromosomes in its body cells and its sex cells have 9 chromosomes, the correct statement is C, Its sex cells are haploid and a result of meiosis.
What are haploids?Haploid cells have half the number of chromosomes as diploid cells. Mitosis is a type of cell division that produces two identical daughter cells. Meiosis is a type of cell division that produces four daughter cells, each with half the number of chromosomes as the parent cell.
In the organism described, the body cells are diploid (18 chromosomes) and the sex cells are haploid (9 chromosomes). This is because the sex cells are produced by meiosis, which is a type of cell division that reduces the number of chromosomes by half. This allows the sex cells to combine with each other to form a new diploid cell, which is the beginning of a new organism.
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Complete question:
An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.
Which statement correctly explains this?
Its body cells are haploid and a result of mitosis.
Its sex cells are diploid and a result of mitosis.
Its sex cells are haploid and a result of meiosis.
Its body cells are diploid and a result of meiosis.
What are the flattened membranes in chloroplasts called?
Answers
Answer:
Thylakoid membrane
Explanation:
There are three "layers" of a chloroplast. The inner layer, the outer layer and the Thylakoid membrane is the third and internal membrane system.
I hope this helped!
difference between trychocysts and nematocysts
Answers
Answer:
trichocyst is a threadlike organ in certain protozoans that can be discharged suddenly in order to grasp or sting while nematocyst is (biology) a capsule, in certain cnidarians, containing a barbed, threadlike tube that delivers a paralyzing sting.
Explanation:
A wildlife biologist is studying the effects of an illness called "mange" on urban San
Joaquin Kit Foxes in Bakersfield that is due to a microscopic mite. The biologist hypothesizes that domestic pet dogs are spreading mange to the Kit foxes. This would best be an example of which type of ecology?
Answers
Mange can be successfully treated by administering medication that kills the mites. The successful treatment of mange is currently a significant focus of research; biologists, veterinarians, and other wildlife professionals are exploring new medications that can be used more effectively to treat affected wildlife.
The geosphere is the earth itself. It includes the non-living ______ , ________ , and ________ that make up the ________ on earth .
Answers
The geosphere is the actual earth. It includes the inert substances such as rock, mineral, and soil that make up the earth's surface.
What is contained within the geosphere of the Earth?All the rocks that make up Earth are included in the geosphere, including the partially molten rock beneath the crust, the enormous, towering mountains, and the sand grains on the seashore. A global ecosystem that includes all life on Earth, the biosphere is supported by both the geosphere and the hydrosphere.
Is the geosphere alive or dead?The entire crust of the Earth is the geosphere. The Greek prefix geo-, which meaning "earth," is the root of the word geosphere. Due to the absence of any living things, the geosphere is regarded as abiotic.
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Write me a 10 minute speech about varicella zoster
Need it asap
Answers
Varicella Zoster is an infectious viral disease causing chickenpox in children and shingles in grown-ups. Inoculation plays a crucial part in avoidance and lessening complications.
Aspeech on Varicella-ZosterWomen and noblemen,
Nowadays, I would like to examine a vital and predominant viral disease known as Varicella Zoster. Varicella Zoster, commonly alluded to as chickenpox, is caused by a varicella-zoster infection. It fundamentally influences children, but can too affect grown-ups who have not been already contaminated.
Varicella Zoster presents as a profoundly infectious sickness characterized by a particular hasty, fever, and common disquietude. The infection spreads through coordinated contact or respiratory beads, making it effortlessly transmissible inside families and communities.
Whereas chickenpox is for the most part a gentle ailment in children, it can lead to more serious complications in grown-ups, pregnant ladies, and people with debilitated resistant frameworks. These complications incorporate pneumonia, bacterial contaminations, and in uncommon cases, neurological complications such as encephalitis.
Luckily, the improvement of a profoundly successful antibody has essentially diminished the frequency of Varicella Zoster around the world. Immunization not as it were secures people from the distress and potential complications of chickenpox, but too makes a difference anticipate the infection from spreading inside the community.
In any case, Varicella Zoster doesn't halt at chickenpox. Once the introductory contamination settles, the infection remains torpid inside the body and can reactivate a long time afterward, causing a condition known as herpes zoster, or more commonly, shingles.
Shingles are characterized by a difficult hasty that ordinarily happens in a single dermatome, regularly along the middle or confront. The reactivated infection can cause critical pain and inconvenience, enduring for weeks or indeed months. Moreover, complications such as postherpetic neuralgia, a persistent torment disorder, can happen, especially in more seasoned people.
To combat the chance of shingles, an isolated antibody called the shingles antibody or herpes zoster immunization has been created. This antibody not as it were makes a difference anticipate shingles but moreover diminishes the chance of postherpetic neuralgia.
In conclusion, Varicella Zoster, enveloping both chickenpox and shingles, could be a viral contamination that has critical suggestions for open well-being. We have made significant progress in reducing the burden of this disease through extensive vaccination efforts.
In any case, ongoing efforts to prevent Varicella zoster from returning to our communities and to protect powerless populations require prompt attention and vaccination.
Much obliged to you for your thought. Let's collaborate to ensure a better future for everyone.
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To determine the location of protein X in the plasma membrane, erythrocytes were subjected to two different treatments. First intact erythrocytes were treated with proteolytic enzymes. After the cells were lysed and membrane components extracted, protein X was intact. In the second experiment, the erythrocyte cells were permeabilized prior to treatment with proteolytic enzymes. When the plasma membrane components were then extracted, protein X was extensively fragmented What do these observations suggest about the location of protein X in the plasma membrane?
A. Proteolytic enzymes cannot fragment protein X in intact erythrocytes thus, protein Xis embedded in the lipid bilayer and does not have any extracellular domains
B. Since proteolytic enzymes cannot digest protein X uniess the plasma O o membrane is disrupted protein X is covalently attached to the inner leaflet of the lipid bilayer
C. Since proteolytic enzymes cannot digest protein X unless the membrane is disrupted protein X is polytopic and embedded in the lipid bilayer with several intracellular domains
D. Proteolytic enzymes cannot fragment protein X in intact erythrocytes therefore, protein X associates with the membrane transiently and is primarily located in the cytosol
E. Since proteolytic enzymes cannot fragment protein X in intact erythrocytes, protein X is tocated nside the cell and interacts with the inner surface of the membrane
Answers
Answer:
B.
Explanation:
The cell membrane contains integral membrane proteins that are stably embedded into the phospholipid bilayer. These integral proteins are composed of hydrophobic amino acid residues that interact with fatty acyl groups of the phospholipid membrane. Consequently, the proteolytic enzymes cannot act against specific residues of the protein X when it is embedded in the cell membrane, but they can digest the protein when it does not interact with functional groups localized at the inner leaflet of the plasma membrane.
Answer:
E
Explanation:
Because it's a peripheral membrane protein it can not be embedded in the lipid bilayer.
Organisrns that transfer diseases to hurnans are
O hosts
O pathogens
O parasites
O vectors
Answers
How is artificial selection a trial and error process? (Think about desired traits and how punnet squares work)
Answers
Answer:
Explanation:
Artificial selection is a trial and error process because it involves selecting and breeding organisms with desired traits in order to create a new generation of offspring with those same traits. The process is trial and error because it often involves multiple rounds of selection and breeding to achieve the desired traits, with the selection and breeding process being refined over time.
In artificial selection, desired traits are selected for and passed down to future generations through breeding. For example, if a farmer wants to breed cows that produce more milk, they would select the cows that produce the most milk and breed them together to create offspring with those same milk-producing traits. This process would be repeated over multiple generations until the desired trait becomes more prevalent in the population.
Punnett squares are used to predict the probability of offspring inheriting certain traits based on the traits of their parents. Punnett squares are a tool used in genetics to determine the possible combinations of alleles that can result from a cross between two organisms. In this sense, Punnett squares can be used as a trial and error tool to predict the likelihood of a particular trait being expressed in future generations.
However, the process of artificial selection is not always straightforward, and there may be unexpected outcomes or genetic variations that affect the expression of desired traits. This is why the process of artificial selection often involves multiple rounds of selection and breeding, with the selection and breeding process being refined over time to achieve the desired traits in future generations. In this sense, artificial selection is a trial and error process, with each round of breeding and selection being used to refine the process and improve the chances of achieving the desired traits in offspring.
PLS MARK ME BRAINLIEST
Artificial selection involves selectively breeding organisms with desired traits, which is a trial and error process as different combinations are tested and evaluated using tools like Punnett square.
What is artificial selection?Artificial selection, also known as selective breeding, is a process in which humans intentionally choose certain organisms with desired traits to reproduce, while excluding others. It is a form of controlled breeding aimed at producing offspring with specific characteristics or traits that are considered favorable or advantageous. Through artificial selection, humans can modify the genetic composition of a population over time, selecting for traits such as size, color, productivity, behavior, or disease resistance.
Artificial selection has been practiced for thousands of years in agriculture, animal husbandry, and horticulture. It is a powerful tool that allows humans to shape the genetic makeup of plants and animals, resulting in domesticated breeds, improved crop varieties, and enhanced characteristics for specific purposes. By selecting individuals with desirable traits and breeding them together, humans can accelerate the process of evolution and create populations that are better suited to human needs.
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what is the process of water moving down through the soil called?
A. evaporation
B. percolation
C. condensation
D. transpiration
Answers
Answer:
The answer is B the girl is wright
The process through which the water moves down in the soil is known as percolation. Therefore, option "B" is correct.
What is percolation?The slow movement through a surface that has tiny openings or spaces in it. The tiles prevent water from percolating by sealing off the soil. The value of soil as a crop soil is largely determined by its rate of infiltration which is the rate at which water enters a soil) and percolation (the rate at which water moves through a soil.
These two variables impact the development of normal untamed life environments and the nature and speed of flooding in a given region. The process occurs gradually.
Therefore, the process of percolation is a physical process that helps in water drainage.
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I just want to k ow if the answer is correct
Answers
Explanation:
yeah I think u got the correct answer
Diagram 1 shows the fossilized remains of the lower portion of a camel's leg. Each subsequent diagram shows the same portion of a camel's leg, but the diagrams are from progressively later time periods. Diagram 4 shows the most recent fossil.
These diagrams demonstrate
A.
that fossils can show how a species changes over time.
B.
that all living organisms have increased in size over time.
C.
that modern camels have more toes than earlier species of camels.
D.
that fossils show how species stay the same over time.
Answers
The given diagram shows how the species changed over the period of time. Therefore, option "D" is correct. Fossils are imprinted evidence of the creatures present before humans. It helps in identification of the how they evolved during their life span.
This helps in identifying and putting them on the Tree of Life. This helps in finding the correlation between the species. Carbon dating is used to analyze the bones and imprints found and identify their age. Sedimentary rocks such as limestone, are the oldest and have fossils imprinted on them.
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What would you look for in the geographic profile and
in the earthquake and volcano data to know if two
pieces of Earth's surface are moving toward each
other?
Answers
Answer:
You would look for there plate tectonics
Explanation:
I took the test
Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth's rocks.
The correct answer is tectonic plates movement
There are 7 types of tectonic plates and these are as follows:-
AfricanAntarcticEurasianIndo-AustralianNorth AmericanPacificSouth American.The scientist studies the seismography of the layers to find out the movement of the plates which lead to the earthquake.
Hence, the correct option is tectonic plates.
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Explain how this experiment showed that genetic drift was not a cause of the antibiotic resistance
Answers
By demonstrating a consistent pattern of antibiotic resistance increase rather than random fluctuations, the experiment provided evidence against genetic drift as a significant cause of antibiotic resistance in the studied bacterial population.
To explain how an experiment showed that genetic drift was not a cause of antibiotic resistance, let's consider the following scenario:
In the experiment, a population of bacteria with varying levels of antibiotic resistance was divided into two separate groups: Group A and Group B. Each group was kept in separate environments and exposed to the same antibiotic over a period of time.
If genetic drift were a significant factor in the development of antibiotic resistance, we would expect to observe random fluctuations in resistance levels within each group over time, leading to divergent resistance patterns between the two groups.
However, the experiment showed that both Group A and Group B displayed a consistent increase in antibiotic resistance over time. This implies that there was a selective pressure favoring the bacteria with higher resistance, indicating that natural selection, rather than genetic drift, was driving the increase in resistance.
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Golgi apparatus is involved in processing of:
a. Salivary amylase
b. Glucokinase
c. Phenylalanine hydroxylase
d. EcoR1
Answers
Answer:
Explanation:
the Golgi apparatus is involved in the processing of :
salivary amylase
this is because the GC is involved in the secretion of proteins and salivary amylase is protein secreted from the salivary glands
Which of the following statements about the Antarctic Circumpolar Current is correct?
A)
It reduces temperature fluctuations between seasons in North America.
B)
It determines the frequency of El Niño and La Niña weather systems.
C)
It transports heat from the North Atlantic to the Indian Ocean.
D)
It reduces temperature fluctuations between seasons in Europe.
Answers
The statement that is correct is option C, i.e., "It transports heat from the North Atlantic to the Indian Ocean."
What is Antarctic Circumpolar Current?The Antarctic Circumpolar Current is the world's hardly global current, flowing eastwards round the Antarctica in a shuttered circulation that is unimpeded by continents.
It is responsible for transporting heat from the North Atlantic to the Indian Ocean.
The Antarctic Circumpolar Current (ACC) is the strongest ocean latest iteration on the planet.
Because there are no landmasses in its path, the West Wind Drift propels the water eastward in a clockwise direction around Antarctica.
Thus, the correct option is C.
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What is the difference between blue green and fungi?
Answers
Blue-green algae are photosynthetic prokaryotes, while fungi are eukaryotes that obtain nutrition through absorption.
Blue-green algae and fungi are both organisms, but they belong to different domains and have distinct characteristics. Blue-green algae, also known as cyanobacteria, are classified under the domain Bacteria, while fungi belong to the domain Eukarya.
Blue-green algae are prokaryotic organisms, lacking a true nucleus and membrane-bound organelles. They obtain energy through photosynthesis and are capable of converting sunlight into chemical energy. They typically inhabit aquatic environments, such as lakes, ponds, and oceans, and some species can fix atmospheric nitrogen.
On the other hand, fungi are eukaryotic organisms with a distinct nucleus and membrane-bound organelles. They obtain nutrition by absorbing organic matter from their surroundings. Fungi play crucial roles in decomposition and nutrient cycling in ecosystems. They can be found in various habitats, including soil, plants, and even as symbiotic partners with other organisms, such as in mycorrhizal associations.
In summary, the primary differences between blue-green algae and fungi lie in their cellular structure, mode of nutrition, and classification. While blue-green algae are photosynthetic prokaryotes, fungi are eukaryotes that obtain nutrition through absorption. Understanding these distinctions helps in appreciating the diversity and ecological significance of these two groups of organisms.
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Chromatography is an analytical test used to closely examine which aspect of fibers? *
1 point
Cross Section
Light Absorbtion
Dye Composition
Fiber Composition
Answers
Hope it helped you
blank is stored in a fossil fuel and released in the form of kinetic energy when burned
Answers
Answer:
Chemical energy.
Explanation:
Chemical energy is stored in a fossil fuel and released in the form of kinetic energy when burned
Hope this helps!
Carbon dioxide added to
hydrogen atoms composes the
basic chemical structure of a(n) ___.
A. ATP
C. alcohol
B. carbohydrate
D. lipid
Answers
Hydrogen has a 2:1 mass ratio with oxygen and carbon atoms in the molecules that make up carbohydrates. Thus, option C is correct.
What is the basic constituent of carbohydrate?Hydrocarbons are any of a group of organic compounds that exclusively contain the elements carbon (C) and hydrogen (H) (H).
The hydrogen atoms bind to the carbon atoms in a variety of ways to create the compound's structural framework. Find out more about chemical substances.
Just carbon, hydrogen, and oxygen make up carbohydrates (CHO). Bread, potatoes, pasta, and fruits all contain them.
The monomers (smaller components) that make up carbohydrates are referred to as monosaccharides. The simple sugars glucose, galactose, and fructose are examples of monosaccharides.
Therefore, Carbon dioxide added to hydrogen atoms composes the
basic chemical structure of a(n) carbohydrate.
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Definition activated by stalled replication or DNA damage initiates a number of DNA processes, some of which are error-free. allows DNA repair without template, with just a random incorporation of dNTPs. may cause errors but not detrimental.
Sanger method
RecA protein
Silent mutation
SOS repair system
Answers
RecA protein allows DNA repair without a template, with just random incorporation of dNTPs.
RecA protein catalyzes unidirectional branch migration, allowing for the completion of recombination and the production of an area of heteroduplex DNA with thousands of base pairs in length. RecA has an extra site for binding and hydrolyzing ATP because it is a DNA-dependent ATPase.
All bacteria that the RecA protein has been properly searched for, including Mycoplasma with its small genome, have been found to contain it. More than 60 bacterial species have had their recA genes sequenced.
RecA protein is in charge of recognizing DNA molecule homology and mediating the DNA strand exchange process that results in recombination intermediates.
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4. The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell would be: which option is correct a) 1 mole of ATP b) 2 moles of ATP c) 3 moles of ATP d) 4 moles of ATP e) 6 moles of ATP
Answers
The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.
During oxidative phosphorylation, each mole of NADH can generate around 2.5 to 3 moles of ATP. Therefore, for 2 moles of NADH, the total ATP production would be in the range of 4 to 6 moles of ATP. While the more precise estimate falls within the 4 to 6 moles range, the closest option provided is 4 moles of ATP. It is important to note that the exact ATP yield can vary depending on factors such as the efficiency of the electron transport chain and the specific conditions within the cell.Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.
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Match the effect of exercise to the correct term.
Answers
2. oxygen consumption
3. stroke volume
How are chromosomes and DNA related?
O Chromosomes are tightly wound strands of DNA located in cells.
o DNAis s straightened by genes that are inside the chromosomes of a cell.
O Chromosomes straighten out the DNAso the code can be read by genes.
Answers
Chromosomes are tightly wound strands of DNA located in cells. The correct answer is A.
Chromosomes are structures found within cells that contain genetic material, which is DNA (deoxyribonucleic acid). DNA is the fundamental molecule that carries the genetic instructions for the development, functioning, and reproduction of living organisms.
Chromosomes consist of long, linear DNA molecules that are tightly coiled and condensed around proteins called histones. This coiling and condensing of DNA into chromosomes allows it to be efficiently packaged and organized within the nucleus of the cell.
The DNA molecule itself is a double helix composed of two complementary strands, made up of nucleotide building blocks. Each nucleotide consists of a sugar molecule, a phosphate group, and one of four nitrogenous bases (adenine, thymine, cytosine, or guanine).
Genes, which are functional units of heredity, are segments of DNA located on chromosomes. They contain instructions for building and maintaining the structure of proteins, which are essential for various biological processes in the body.
In summary, chromosomes are structures composed of tightly wound DNA molecules that store and transmit genetic information. DNA, on the other hand, is the chemical molecule that makes up the genetic material and is organized into chromosomes within cells. Therefore, the correct answer is A.
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will give a 100 points assap
Clem is h o m o zygous for earlobe type.
What does this mean?
He has two of the same alleles for earlobe type, one from each parent.
He has two different alleles for earlobe type, one from each parent.
He has one allele for earlobe type from one parent.
He has two alleles for earlobe type, both from the same parent.
Answers
Answer:
A
Explanation:
Answer:
a
Explanation:
One or two countries reducing their CFC emissions will not be enough to stop ozone depletion globally. What do you think the countries of the world should do to reduce CFC emissions?
Answers
All the countries of the world need to lower their emission rates in order to reduce CFC emissions globally.
What are CFCs?CFCs is an acronym for chlorofluorocarbons, a group of non-toxic gases consisting of atoms of chlorine, fluorine, and carbon.
The compounds are found artificially in products like aerosol sprays, old refrigerants, and many other man-made products invented to make life generally better for humans. The gases are considered generally safe and unreactive in lower atmospheres down here.
In the stratosphere, however, CFCs are highly reactive. They undergo photolytic decomposition, a process that is largely catalyzed by the availability of UV light in the stratosphere. When this happens, chlorine molecules are released.
The free chlorine molecules react with the protective ozone layer and as a result, the ozone layer gradually gets destroyed. A single chlorine molecule can react with 100,000 ozone molecules.
Thus, in order to protect the ozone layer by reducing the emission of CFCs, all the countries in the world need to put their hands on deck. The whole world shares a single atmosphere. Thus, CFCs released in one part of the world eventually circulate to every part of the world.
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Which of the following documents was most influential in the creation of the Bill of Rights?
A. the English Bill of Rights
B. the Virginia Declaration of Rights
C. the Massachusetts Body of Liberties
D. the Fundamental Orders of Connecticut
Answers
Which is a biotic factor?
Answers
Answer:
a living organism that shapes its environment
Explanation:
hope this helps
Which would result in higher food production at a lower cost? Check all that apply.
cows that are able to fight off diseases
rice that has added provitamin A
corn that is resistant to diseases
wheat that is not killed by weed killer
corn that can grow in cold places
Answers
Answer:
A, C, D, and E.
Answer:
The correct answers are:
A. cows that are able to fight off diseases
C. corn that is resistant to diseases
D. wheat that is not killed by weed killer
E. corn that can grow in cold places
Explanation:
I did the assignment on edg :)
please match the following nutritional types with the statements that most accurately describe them, to test your understanding of the main categories of nutritional types among organisms.
Answers
Autotroph: a creature that obtains its carbon from inorganic carbon dioxide
Chemotroph: an organism that obtains energy from chemical substances-Heterotroph: an organism that must receive its carbon in an organic form
Phototroph: an organism that produces energy from sunlight
The term "primary nutritional groups" refers to a category of creatures that are separated into subcategories based on the sources of carbon and energy that they require for survival, growth, and reproduction. Carbon can come from organic or inorganic sources, and energy can be derived from either light or chemical molecules. ATP, carbs, or proteins are used to store the liberated energy as potential energy. The energy is eventually put to use for activities essential to life, like movement, growth, and reproduction.
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