At the end of meiosis I, there are two cells, each cell has seven chromosomes and the chromosomes in each cell are duplicated.
some features of meiotic division:
Meiosis I and Meiosis II are the two stages of nuclear and cellular division in which it occurs. However, DNA replication only occurs once.Recombination between homologous chromosome pairs is what it entails.At the end, four haploid daughter cells are produced.The diploid cell is transformed into a haploid one during Meiosis I, which separates the pair of homologous chromosomes. It is divided into prophase, metaphase, anaphase, and telophase stages.
Prophase I: The first stage of meiosis I, and it is made up of five stages: diplotene, leptotene, zygotene, pachytene, and diakinesis. homologous recombination occurs, which involves the exchange of DNA between paired chromosomes, and the crossover at chiasmata (singular: chiasma) between non-sister chromatids. The nuclear membrane and nucleolus break down at the conclusion of this stage.Metaphase I: Microtubules from opposite poles attach to the pairs of homologous chromosomes, and bivalents align at the equatorial plate.Anaphase I: The two bivalent chromosomes of each cell split and move to opposite ends of the cell. There is a connection between the sister chromatids.Telophase I: The nuclear membrane resurfaces, and cytokinesis follows. A pair of cells are formed as a result.Thus, Each daughter cell will have half of the original 7 Pair of homologous chromosomes i.e, 7 chromosomes which are duplicated.
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The adaptive advantage associated with the filamentous nature of fungal mycelia is primarily related to ________.
The adaptive advantage associated with the filamentous nature of fungal mycelia is primarily related to an extensive surface area well suited for invasive growth and absorptive nutrition.
An adaptive advantage is a reproductive benefit an organism derives from being properly acceptable to the surroundings wherein it lives. Adaptive blessings are in all likelihood to result in an organism producing greater offspring than organisms without the adaptive benefit.
An adaptive advantage is an iterative approach to software development that includes hypothesizing, experimenting, and adjusting as teams move thru the manner.
An adaptive commercial enterprise approach enables a commercial enterprise to work proactively on a continual foundation to obtain lengthy-time period desires and fast adjust those desires whilst essential. that is accomplished by means of figuring out and speedy enforcing short-term techniques and movements to achieve bigger image goals.
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The main functions of blood are to A digest food and break it down to be used as energy. B carry oxygen, nutrients, and wastes; fight disease; and regulate temperature. C carry messages through all the body to direct body movement. D carry messages to parts of cells to tell them how to develop.
suppose that fish size is a heritable trait in a population of fish. the allele conferring large size (s) is incompletely dominant to the allele conferring small size (s). heterozygotes (ss) are of intermediate size. suppose that a population of fish is at hardy-weinberg equilibrium and the frequency of the s allele is 0.9. what proportion of the next generation will be of intermediate size?
The proportion of dominating people in the following population is (1+4)%, or 5%.
The Hardy-Weinberg rule states that in the absence of evolutionary driving forces, allele and genotype frequencies in a population remain constant.
It claims that the binomial expansion of the square of the sum of p and q can be used to describe the total genotype frequencies.
The following sum equals one: (p+q) ²= p²+ 2pq + q².
In this instance, "p" represents the frequency of the dominant allele, and "q," that of the recessive allele. The expression "2pq" represents the population's frequency of heterozygotes.
The frequency of the dominant allele is given by p+q=1, while the frequency of the recessive allele is given by q = 0.9 for a certain hereditary trait. Consequently,
p=1-q
P=1-0.9 = 0.1
p²= (0.1) =0.01 or 1% of the population has a homozygous dominant genotype.
The percentage of heterozygous dominant genotypes in the population as a whole is 4% (PQ)² = 2 X 0.1 X 0.2 ".
∴ (1+4)%
=5%.
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Please answer fast!
worth 100 points
Answer:
self feeder; E from sun or chemicals - autotrophs
has a nucleus & membrane-bound organelles - eukaryote (5)
the smallest taxonomic division - species (4)
no nucleus or membrane bound organelles - prokaryote (6)
one organism living inside another, both benefit - mutualism
two term - binomial (1)
Explanation:
Write a Claim about how shared resources can be depleted and how to sustainably manage them
Shared resources can be depleted when used excessively and selfishly for one's interest only. For their sustainable management, the understanding should be inculcated that they are in limited quantities and hence should be used only when necessary and in required quantities.
Shared resources are those that are used by various individuals and populations at the same time. Due to their necessity they are in limited quantities and hence their efficient use is very essential. The examples of shared resources are fresh water bodies, grazing lands, forests, etc.
Sustainable management is the balanced use of resources so that they do not get depleted and are available for the use of the individuals.
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What is the mass of a crate if a force of 200 N causes it to accelerate at 8 m/s2? (Formula: F=ma)
25 kg
192 kg
208 kg
16 kg
M
small, nonpolar, hydrophobic molecules such as fatty acids easily pass through a membrane's lipid bilayer. very slowly diffuse through a membrane's lipid bilayer. require transport proteins to pass through a membrane's lipid bilayer. are actively transported across cell membranes.
Small, nonpolar, hydrophobic molecules such as fatty acids pass readily through a membrane's lipid bilayer.
The cell membrane, which is selectively permeable and controls the passage of molecules into and out of the cell, facilitates the movement of substances or molecules throughout the cell.
A thin polar membrane composed of two layers of lipid molecules is the lipid bilayer. These membranes are flat sheets that surround all cells and act as a continuous barrier.
A lipid-rich cell membrane will not repel small, nonpolar hydrophobic molecules like fatty acids, so they enter the cell through simple diffusion. This indicates that they easily and without assistance penetrate the lipid bilayer of a membrane. Because they are a class of lipids and soluble in the lipid layer of the cell membrane, fatty acids are able to pass through the lipid-bilayered membranes easily.
Small, nonpolar hydrophobic molecules such as fatty acids
a. pass readily through a
membrane's lipid bilayer
b. diffuse very slowly through the lipid bilayer
c requires special channels to enter a cell
d. are actively transported across cell membranes
c. must enter the cell via endocytosis
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please be fast
don’t guess
Answer: Are filtered as the water infiltrates the ground
Explanation:
The spring water filtration process occurs naturally through physical substrate, chemical means (chemically activated clay absorbing organic chemicals, pesticides, or heavy metals) and biological means (microorganisms in soil that aid in the water filtration process by acting as biological decomposers).
atp production in halophilic archaea that contain bacteriorhodopsin differs from atp production in cyanobacteria in that only cyanobacteria choose one: a. are found in water. b. use light to excite electrons. c. oxidize water. d. create a proton motive for
Option c ATP (Adenosine triphosphate) production in halophilic archaea that contain bacteriorhodopsin differs from ATP production in cyanobacteria in that only cyanobacteria oxidize water.
A relatively recent functional water product called oxidize water has oxygen added to it during the canning or bottling process. It is asserted that the additional oxygen has health advantages, such as facilitating the body's detoxification process and enhancing the metabolism of alcohol. The liver, blood, and immune system appear to be unaffected by prolonged oxygenated water ingestion. In addition, it causes a brief, modest rise in oxygen radicals in the blood. Water that has been oxygenated can be useful if you want to improve the health of your skin naturally. That's because it can aid in oxygenating your skin cells, which can aid in enhancing the tone and texture of your skin. Your skin gets the oxygen it needs when it is oxygenated, so your skin cells can
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imagine that the middle head of the deltoid were the only muscle supporting the outstretched arm below. the muscle must support the weight of the arm plus a five pound weight. if we measured the force generated by the muscle is would be
If we measured the force generated by the muscle it would be more than 5 pounds.
Deltoid muscles play an important part in helping you move your arm in different directions. They also stabilize your shoulder joint and cover it from injuries analogous to dislocations. People who perform a lot of repeated above movements, analogous as insensibility, jugs, or mechanics, are at the trouble of injuring their deltoid muscles. utmost deltoid muscle injuries heal with nonsurgical treatments. The muscle supports the weight of the arm plus a five-pound weight.
It's present in your shoulder, which is the ball-and-socket joint that connects your arm to the box of your body. Like utmost other muscles in your body, the deltoids are cadaverous muscles. Tendons attach them to bones. Cadaverous muscles are voluntary muscles, meaning you choose to move them.
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during the digestion process, why are short-chain fatty acids more easily absorbed by the body? a. they are hydrophobic. b. they are somewhat water soluble. c. they contain bile. d. they convert to glycerol. e. they have formed chylomicrons
During the digestion process, why are short-chain fatty acids more easily absorbed by the body because they are somewhat water soluble.
the digestion process
The six actions that make up the digestive process are ingestion, propulsion, mechanical or physical digestion, chemical digestion process, absorption, and feces.
Ingestion, the first of these procedures, is the act of putting food via the mouth and into the alimentary canal. The meal is chewed there and combined with saliva, Both water-soluble (hydrophilic) and hydrophobic (water-insoluble) molecules can dissolve into a solution when water and an organic solvent are combined. Bilirubin diglucuronide is water-soluble due to its hydrophilic nature. Chemical and mechanical processes both take place during digestion. The process of mechanical digestion is simply physical and does not alter the chemical composition of the food. In its place, it shrinks the meal to enhance its surface area and mobility.
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What are the 3 domains of development in psychology
Answer:
physical, cognitive, and psychosocial development.
Explanation:
why dont ppl consider ice as salty water?
Answer: because salt can be used to speed up the freezing process but it is not necessary to the creation of ice
Excitability is the ability of a cell to receive and respond to stimulus by changing its membrane potential. True or false?.
True Excitability is the ability of a cell to receive and respond to stimulus by changing its membrane potential.
What is Excitability ?The capacity to react to a stimulus, which may be from a motor neuron or a hormone, is known as excitability. The capacity of a muscle to be stretched is known as extensibility.
The muscle cell membrane's ion permeability qualities are momentarily altered by a neurotransmitter. Each muscle fibre in a muscle contracts once a motor neuron has activated.Every living thing reacts to stimuli. Anything that can cause a live entity to physically or behaviorally change is referred to as a stimulus. Excitability is hence an organism's capacity to react to environmental stimuli.Learn more about Excitability here:
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Phospholipids are found in a limited number of foods. They consists of a glycerol backbone with two fatty acids and a compound that contains phosphate. Why are they important in food and in the body?.
Lipids serve three primary biological functions in the body: they serve as structural components of cell membranes, they store energy, and they serve as important signaling molecules. Triacylglycerols (also known as triglycerides), phospholipids, and sterols are the three main types of lipids.
What is a phospholipid made of?A phospholipid molecule has two hydrophobic fatty acid tails and one hydrophilic phosphate moiety joined together by an alcohol or glycerol molecule . phospholipid form lipid bilayers as a result of this structural arrangement and are an essential component of all cell membranes.Phospholipids are amphiphilic molecules with a glycerol backbone and two hydrophobic fatty acyl tails.Lipids serve three primary biological functions in the body: they serve as structural components of cell membranes, they store energy, and they serve as important signaling molecules. Triacylglycerols (also known as triglycerides), phospholipids, and sterols are the three main types of lipids.To learn more about : phospholipid
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What is the most critical part of developing an action plan? Responses stating when and how often the steps will be done stating when and how often the steps will be done, developing a plan B in case of failure developing a plan B in case of failure, identifying role models who have achieved the goal identifying role models who have achieved the goal, evaluating personal skills to execute the action plan
The most critical part of developing an action plan is stating when and how often the steps will be done stating when and how often the steps will be done. The correct option is A.
What is action plan?An action plan is a document that outlines the steps that must be taken to achieve a specific goal.
When you specify when and how frequently you will participate in your action plan, you are essentially making a promise to yourself to achieve that goal.
It is critical to do so because you will know exactly what you will do, how you will do it, and when you will do it.
Identifying role models is not critical because it frequently leads to low self-esteem and unrealistic goals, which may make you feel worse about the entire plan if you fail to meet the standards that role model did.
Thus, the correct option is A.
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Which event occurs during telophase of mitosis?cytoplasm dividesnuclear membranes reformsister chromatids separatechromosomes become visible
During the Telophase, the daughter chromosomes reach the poles. Telophase passes into the next interphase as the nuclear envelopes and the nucleoli re-form and the chromatin becomes diffuse.
On the other hand, remember that cytokinesis starts during the nuclear division phase called anaphase and continues through telophase. Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells.
We can conclude that the correct answers are:
Answer:Nuclear membranes reform
and
Cytoplasm divides
the woman is aabbcc and the man is aabbcc. neither this man nor this woman has, or will have, the disease associated with the gene on chromosome 2 or the disease associated with the gene on chromosome 18. however, the man does have the disease associated with the gene on chromosome 15. what is the likelihood that a child of the couple described above will have at least one of the three diseases?
The likelihood that a child of the couple described above will have at least one of the three diseases is of chromosomes 2 and 18.
A chromosome is a long DNA molecule with components or all the genetic cloth of an organism. most eukaryotic chromosomes consist of packaging proteins referred to as histones which, aided by means of chaperone proteins, bind to and condense the DNA molecule to keep its integrity.
Chromosomes are systems observed in the center (nucleus) of cells that deliver long pieces of DNA. DNA is the fabric that holds genes. it is the constructing block of the human body. Chromosomes also comprise proteins that help DNA exist within the proper shape.
Chromosomes are the very best stage of the corporation of DNA and proteins. the main function of chromosomes is to carry the DNA and switch the genetic statistics from mother and father to offspring. Chromosomes play an essential position during cell division. They guard the DNA against getting tangled and broken.
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Which principle states that processes that occurred in the past are no
different than the processes in the present?
Answer:
uniformitarianism or the uniformitarian principle
Explanation:
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Studying photosynthesis shows us how God provides for us at even the molecular level. What does Scripture encourage us to do in response to God’s provisions, as mentioned in Matthew 6:28-34 ESV?
The Scripture encourage us to be steadfast and seek his kingdom in response to God’s provisions.
What is Provision?This is referred to as the process in which a material is provided or supplied and an example is food, clothing etc. God is the ultimate being and ensures that several resources are available for the various creatures which are present on earth.
The scripture talks about how we should be steady and seek his kingdom so as not to worry about tomorrow. This is because he has the ability to provide and take care of our needs if we have faith and believe in him.
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from a viable plate count you obtained the following results after diluting a bacterial sample and plating 0.20 mls of the dilutions on various media: how many cfu/ml were in the original sample?
The original sample is 2 ml. So after dilution it is 0.2 ml.
What is dilution?An object that dissolves in a solvent is referred to as a solute. A solvent is something that allows a solute to dissolve and form a solution.
Typically, a liquid is a solvent, while a solid is a solute. Solutions are uniformly constituted or homogenous mixtures.
When compared to a diluted solution, a concentrated solution has a substantial amount of solute dissolved into it. A diluent is something we employ to thin out a solution. A serial dilution is a different kind of dilution. When we continually diluted a stock, we experienced the second sort of dilution.
Therefore, The original sample is 2 ml. So after dilution it is 0.2 ml.
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dietary fiber select one: a. is only in animal sources of food b. supplies more energy, gram per gram, than fat c. is not fully digested by the human intestinal tract d. promotes tooth decay
Dietary fiber c. is not fully digested by the human intestinal tract.
In the field of science, dietary fiber can be described as a part of food that is taken from plants that cannot be digested by humans.
Dietary fiber derived from plants is considered valuable for the body, especially in removing constipation. It is also known to lower the risk of a person from getting diabetes.
All other food nutrients have the ability to be broken down and be digested by the human body. However, the dietary fiber is not broken down and remains intact throughout the process of digestion. It is released from the colon and like other nutrients is not absorbed.
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Which of the following is an example of a physical property? a Melting and boiling points b color c Ability to conduct electricity d All of the above
Answer:
all above.
Explanation:
I had the same question for k12.
True or False: Weather forecasting is an exact science? Meteorologists can pinpoint the exact location of a thunderstorm?
Answer: false
Explanation:
Though they can tell you the state and city it is hard to pinpoint the exact location. And weather normally changes closer to the day
a chain of repeating monomers to make a larger molecule
A chain of repeating monomers to make a larger molecule is called a Polymer.
Monomer-based compounds that combine to form polymers.
Large molecules known as polymers are constructed from single, comparable repeating components (monomers).
A polymer is made up of numerous monomers because the prefix poly- signifies "many" or "multi-."
Any of a group of organic or synthetic compounds known as polymers are made up of macromolecules, or very large molecules, which are just multiples of simpler chemical building blocks known as monomers. Numerous natural and man-made materials, as well as a large portion of the components in living things, are composed of polymers.
A polymer is created when many monomers are linked together. Polymers can be compared to a chain of interconnected paperclips in several ways. A polymer is a big molecule consisting of monomers, which are littler molecules bonded together.
Plastic is a subset of polymer since all plastics are polymers but not all polymers are plastic. Plastics are long-chain molecules created by large monomers while polymers are homogenous molecules created by small monomers. Plastics are manmade materials yet polymers can also be natural.
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in a dna double helix, adenine pairs with and guanine pairs with . a. cytosine... thymine b. uracil... cytosine c. guanine... adenine d. thymine... cytosine
In a DNA double helix, adenine pairs with Thymine and guanine pairs with cytosine.
The nitrogenous bases present in DNA are purine (guanine and adenine) and pyrimidine (thymine and cytosine). The process to complementary base pairing rule, the number of purines in DNA is equal to the number of pyrimidines which means in DNA, adenine (A) forms a bond with thymine (T), and guanine (G) forms a bond with cytosine (C).
The number of bonds present between A–T is two ,on the other hand bond between G–C is three. Which means G–C bonds are very hard to break. Uracil is a nitrogenous base present in RNA (ribonucleic acid) and is absent in DNA.
Hence ,the correct option is d
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What I want to know: Why is it phrased "23O2, 16O2," etc.
This involves chemical formulas.
Also, if someone could help with the other question I would appreciate it. I don't understand what it is asking of me. :)
The difference between the macromolecules consumed by Americans and the elemental composition of human body is that these macromolecules provides energy, support and help speed up reactions in them while the elemental composition of human body are used to build proteins, carbohydrates and nucleic acids to perform their respective functions.
How macromolecules provide support.Macromolecules helps to give structural support to the body system through the proteins in our diet by consumption. They do this by acting either as hormones or carriers to aid metabolic activities.
From the task above, we can see that about 78% of carbon in American bodies are from the consumption of corn. Whereas in France, the percentage of carbon which is found in their body system is not upto 78% but 15%.
It has also been proven practically that the food substances consumed by Americans contains majorly of carbohydrates. Lipids and proteins is in low amounts or quantities, roughly almost the same amount.
Macromolecules such as glucose combines with oxygen to produce water, carbon dioxide and ATP in the reaction below:
C6H12O₂ + 6O₂ + 36 ADP+ 36 Pi → 6CO₂ + 6H₂O + ATP
The pi above means the phosphate group and ADP means adenosine diphosphate.
So therefore, we can deduce that macromolecules are of great importance in the diet system of the Americans as it provides structural support to them.
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What is the density of seawater with a temperature of 10°C and a salinity of 35 ppt?
Answer:
P(T)=P+ a1*T+a2*T2+a3*T3+a4 *T4+a5 *T5
Explanation
Given that the temperature = 10 degrees Celsius
Salinity= 35ppt
Density of the seawater is 996.73 kg/m3
which of the following statements about the cytoskeleton is true? although microtubules are common within a cell, actin filaments are rarely found outside of the nucleus. the cytoskeleton of eukaryotes is a static structure most resembling scaffolding used at construction sites. the cytoskeleton is produced by transport vesicles of the endomembrane system. movement of cilia and flagella is the result of motor proteins causing microtubules to move relative to each other. chemicals that block the assembly of the cytoskeleton would have little effect on a cell's response to external stimuli.
The answer is yes this is true, the dynamic aspect of cytoskeletal function is made possible by the assembly and disassembly of a large number of complex proteins into larger aggregates. There are three types of the cytoskeleton: actin filaments (microfilament), microtubules, and intermediate filaments.
What does cytoskeleton mean?All cells, including those of bacteria and archaea, have a complex, dynamic network of interconnecting protein filaments called the cytoskeleton. It stretches from the cell nucleus to the cell membrane in eukaryotes and is made up of identical proteins in different animals.The cytoplasmic protein filament and microtubule network that regulates cell shape, upholds intracellular structure, and participates in cell motility. Examples of Other Words from Cytoskeleton More information on the cytoskeleton.Contractile bundles (found in muscle cells), the MTOC, the nuclear lamina, and the intermediate filament-based 'cage' that forms around the nucleus from flexible cables at the cell surface to the core of the cell are a few examples of higher-order cytoskeleton structures.Hence, the above statement is true.
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