Chromosomes get partitioned into every phone during meiosis. The parent cell stays diploid in nature( 46 chromosomes in every cell) after meiosis I. After meiosis II, when each parent cell gets partitioned into two gametes every gamete cell contains 23 chromosomes.
Toward the finish of mitosis, the two little girl cells will be precise duplicates of the first cell. Every little girl cell will have 30 chromosomes. Toward the finish of meiosis II, every cell (i.e., gamete) would have around 50% of the first number of chromosomes, that is to say, 15 chromosomes.
Every little girl cell will have half of the first 46 chromosomes or 23 chromosomes. Every chromosome comprises 2 sister chromatids. The little girl cells presently move into the third and last period of meiosis: meiosis II. Toward the finish of meiosis I there are two haploid cells.
During meiosis II, every phone containing 46 chromatids yields two cells, each with 23 chromosomes. Initially, there were two cells that went through meiosis II; in this manner, the consequence of meiosis II is four cells, each with 23 chromosomes.
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A student peeled the skins from grapes, exposing cells with membranes that are only permeable to water and small diffusible solutes. The student measured the mass of the peeled grapes. The student then placed each peeled grape into one of five solutions. After 24 hours, the student removed the peeled grapes from the solutions, measured their final mass, and calculated the percent change in mass (Table 1).
TABLE 1. PERCENT CHANGE IN MASS OF PEELED GRAPES IN SOLUTIONS
Based on Table 1, which of the following best explains the difference in water potential between certain solutions and the grapes?
A. NaCl and tap water have a lower water potential because these two solutions caused the grape to gain water.
B. Grape soda and NaCl have a lower water potential because these two solutions caused the grape to lose water.
C. Tap water and grape juice have a lower water potential because these two solutions caused the grape to lose water.
D. Grape soda and grape juice have a lower water potential because these two solutions caused the grape to gain water.
The observation is that; Tap water and grape juice have a lower water potential because these two solutions caused the grape to lose water. Option C
What is solute potential?We have to note that a solution can be composed of a solute and a solvent. The solvent is the liquid while the solute is the solid or that gas that is to be dissolved. In most of the cases, the solvent is water and this is especially so when we have a biological system.
When we say that a system is semi permeable, the implication of that is that the system can allow some substances to pass through but it would not allow some of the substances to pass through.
In the case of the susbtnace thay we havehere. We can see that the more concentrated the grape juice is, the more the solute lost water and the mass of the solute was found to have decreased.
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1. Which of the following is considered extraoral film?
• Panoramic radiograph
• Occlusal radiograph
• Cephalometric radiograph
• Both A and C
Option d is correct.
Extraoral radiographs called panoramic X-ray pictures are utilised to find dental issues in the jaw and maxilla.
Many disorders need for an extraoral radiograph, which is frequently done at the dental office. Large regions of the cranium may be seen on these radiographs, coupled with an overall picture of the teeth, oral cavity, and jaw.
The extraoral film does not employ an occlusal radiograph. Occlusal x-rays are utilised to almost completely reveal the dental arch of any jaw. It is employed to draw attention to a child's developing and positioned teeth.
The extraoral radiography employs cephalometric and panoramic radiographs.
Therefore given option a, b and c are not correct.
In the extraoral radiography, following two kinds of the given films are used-
Panoramic radiograph- Its size is usually 5 x 12 inches. It is used to observe the entire mouth area; means all the teeth of both jaws on a single x-ray.
Cephalometric radiograph- It is used to assess the patient's skeletal structure and profile for the purpose of treatment planning and patient assessment. Its size is usually 8 x 12 inches.
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All of the following are related to telomeres except __________.
A. Telomerase enzyme
B. Links to the aging process
C. Being found in eukaryotes and prokaryotes
D. Short tandem repeats located at the ends of telomeres
Answer:
C. Being found in eukaryotes and prokaryotes
Explanation:
Only eukaryotes have telomeres I believe.
Which of the following groups includes examples of only abiotic factors found in an ecosystem?
A. Producers, consumers, oxygen, carbon dioxide
B. Solar energy, water, minerals, producers
C. Plants, animals, fungi, decomposers
D. Solar energy, glucose, oxygen, carbon dioxide
D. Solar energy, glucose, oxygen, carbon dioxide
Abiotic factors are non-living things while biotic factors are living things.
Choose THREE examples that correctly predict the effect of a change on the ecosystem.
А
A decrease in the kangaroo rat population will cause a decrease in the coyote
population
B
A decrease in the desert tortoise population will cause a decrease in the
rattlesnake population
Wc
A decrease in the rattlesnake population will cause an increase in the kangaroo
A decrease in the desert tortoise population will cause a decrease in the rattlesnake population describes the change on the ecosystem.
What is Ecosystem?An ecosystem is a region where different species of plants, animals, and other organisms coexist in harmony with the environment, including the climate and geography.
An ecosystem is a region where a bubble of life is created by plants, animals, and other organisms interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, and other species are biotic factors. Along with rocks, temperature and humidity are abiotic variables.
Every component of an ecosystem is directly or indirectly dependent upon every other component.
Therefore, A decrease in the desert tortoise population will cause a decrease in the rattlesnake population describes the change on the ecosystem.
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If two heterozygous parents have four kids, will they all be heterozygous
Answer:
if the parent plants both have heterozygous (YG) genotypes, there will be 25% YY, 50% YG, and 25% GG offspring on average. These percentages are determined based on the fact that each of the 4 offspring boxes in a Punnett square is 25% (1 out of 4). As to phenotypes, 75% will be Y and only 25% will be G. These will be the odds every time a new offspring is conceived by parents with YG genotypes
Explanation:
Im putting a link to your question
"basic principals of genetics"
https://www.palomar.edu/anthro/mendel/mendel_2.htm
Weathering and erosion energy source?
Answer:
The sun's heat energy
Explanation:
apples oranges peanuts and rice grains are produced by
Answer: plants
Explanation: also the fruit is the ovary of a plant. plants can reproduce sexually by the pollen from the stamen (the male sex organ of a flower) of one flower making its way to the stigma (female sex organ of a flower) of another flower; i.e., the pollen that was sticking to a bee's legs came off onto the stigma of a flower. plants can also reproduce asexually by pollen from the stamen of a flower making its way to the stigma of that same flower.
The synarthrosis that binds the two parietal bones together is a ___________.
a) gomphosis
b) synchondrosis
c) suture
d) synostosis
The synarthrosis that ties the teeth to the hard attachments is synchondrosis.
The distinction between synarthroses joints and syndesmoses joints is the manner by which they move. Syndesmoses joints have exceptionally restricted development. They are just marginally versatile. Synarthroses joints can't be moved and have no depression in the joint.
Synostoses might happen between all or any two of the three bones present at the elbow. The most widely recognized synostosis is that between the sweep and the ulna proximally in the lower arm, close to the elbow however these two bones additionally might be joined anytime in their matched course in the lower arm.
A stitch is the restricted synarthrosis joint that joins most bones of the skull. At a gomphosis, the foundation of a tooth is secured across a restricted hole by periodontal tendons to the walls of its attachment in the hard jaw in a synarthrosis. A syndesmosis is an amphiarthrotic stringy joint tracked down between equal bones.
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Which statement regarding urinary tract infections is false? ► View Available Hint(s) O Urinary tract infections are contagious and are readily transmitted among close personal contacts O Escherichia coli is the most common cause of urinary tract infections. O Urinary catheterization increases the likelihood of developing a urinary tract infection. O Most urinary tract infections are caused by bacteria that enter the body through the urethra,
False information about urinary tract infections includes the claim that they are highly contagious and easily spread among people in close proximity to one another.
Bacteria from faeces enter the urinary tract and cause the majority of urinary tract infections (UTIs). The germs can enter through the tube that drains urine from the body (urethra). Bacteria are therefore more likely to infect the kidneys or bladder.
We can say with certainty that the main cause of urinary tract infections is bacteria that enter the body through the urethra. However, urinary tract catheterization renders a urinary tract inoperable.
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A human is classified in domain and kingdom
O Eukarya ... Fungi
O Eukarya ... Protista
O Eukarya ... Plantae
О Eukarya ... Animalia
O Bacteria ... Archaea
A doctor is testing the effectiveness of a new antibiotic. He gives the first group of patients a placebo (a capsule without any antibiotics), a second group receives a capsule with antibiotic A, while the third group receives a capsule antibiotic B. Which of the groups is considered the control group?
A. the group that received antibiotic A
B. the group that received the placebo
C. the group that received antibiotic B
D. both groups receiving antibiotic A and B
The control group would be the group that received the placebo. Option B.
What are placebos?Placebos are substances that are given to patients or applied to a condition solely for their psychological rather than their physiological effects. In other words, placebos are not drugs per se, They could be something as simple as water or waffles but are usually given to patients without telling them the active ingredients.
In the case of the doctor testing the effectiveness of a new antibiotic, the group given a placebo represents the control group. The control group in any experiment are groups that provide the reference line on which the comparison of the subjects in treatment groups is made.
The two groups that were given antibiotics A and B are treatment groups.
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The germ cell has 2 sets of chromosomes, and the four gametes will each have one set of chromosomes.
The germ cell has 2 sets of chromosomes, and the four gametes will each have one set of chromosomes. To have enough DNA for each gamete, the DNA in the germ cell must be Doubled (x2).
The process by which a cell's DNA molecule is duplicated so that there is enough genetic material for each daughter cell is known as DNA replication.
Before any cell division takes place, DNA replication occurs. A germ cell with two chromosomes undergoes meiosis to produce four daughter cells, according to this question.
Each daughter cell, also known as a gamete, will have one chromosome. However, the process of DNA replication must be used to double the DNA in the germ cell in order for each gamete to have sufficient DNA.
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(complete question)
The germ cell has 2 sets of chromosomes, and the four gametes will each have one set of chromosomes.
To have enough DNA for each gamete, the DNA in the germ cell must be ________.
Halved
Doubled (x2)
Quadrupled (x4)
Octupled (x8)
What is the first step in injury prevention?
The first step to ensure there are no injuries is research and collection of data. This should cover the main causes of accidents, deaths and in general all the things that may cause physical injuries.
This data can be found in police stations. Interviews will be a good approach to the police men to find out the common cases concerning physical injuries in the area and the number of people who come in to report a physical attacks. The same approach can be done with hospitals to find out how many people come in with an injury problem and the causes. Mortuaries provide the most important information on this. Mortuaries will tell you the number of people who die from dangerous physical injuries. The general public can be given questionnaires to help in the same study due to their large numbers.
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During which stage of Prophase I, does the crossing over takes place ?AHomologous chromosomesBSister chromatidsCCross oversDParental chromosomes
Genetic material is exchanged between non-sister chromatids of homologous chromosomes during crossing over. At the pachytene stage of prophase-I, it occurs.
Homologous chromosomes will align with one another and form tetrads during prophase I. DNA sequences between the homologous chromosomes may be swapped during this lining up process. Crossing over is a sort of genetic recombination that enables the genetic differentiation of the daughter cells of meiosis.
Only homologous chromosomes can cross across with one another. After meiosis I, cells become haploid and are unable to complete crossing over. By enabling genetic diversity, cells can take part in evolution and the theory of the fittest. Sister chromatids, which are identical, would exchange alleles if crossing over did not take place until some point during meiosis II. The alleles of the chromatids wouldn't actually change as a result of this material swap because these chromatids are identical.
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Synthesis of lipids and glycogen takes place at the
(a) ribosomes
(b) rough endoplasmic reticulum
(c) smooth endoplasmic reticulum
(d) Golgi apparatus
Because the smooth endoplasmic reticulum is an extension of the rough ER, it is primarily responsible for lipid synthesis, detoxification, and has glycogen granules on its surface. This is where lipids and glycogen are synthesized.
therefore, correct answer is (c) smooth endoplasmic reticulum.
An interconnected network of tubules, vesicles, and cisternae is created by the eukaryotic organelle known as the endoplasmic reticulum (ER) in cellular structures. Rough endoplasmic reticulum makes proteins, whereas smooth endoplasmic reticulum makes lipids and steroids, breaks down carbs and steroids, controls calcium levels, detoxifies drugs, and attaches receptors to proteins in cell membranes. Just the calcium levels are controlled by the sarcoplasmic reticulum.
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Two strands of DNA that have been cut by an endonuclease can be sealed together by a(n)A. polymerase enzyme.B. ligase enzyme.C. exonuclease enzyme.D. protease enzyme.E. methylase enzyme.
Answer: The answer here is B) ligase enzyme. You can say thanks jk, jk, good luck on whatever this question is for. ✌
From the right leg, lymph moves in which order? a. right lumbar trunk, right lymphatic duct, left subclavian vein b. right lumbar trunk, thoracic duct, right subclavian vein c. right lumbar trunk, right lymphatic duct, right subclavian vein d. right lumbar trunk, thoracic duct, left subclavian vein
From the right leg, the lymph moves in the d order. right lumbar trunk, thoracic duct, left subclavian vein
What is lymph?Lymph nodes are part of the immune system which functions to fight infections caused by bacteria, viruses, germs, and parasites. If an infection occurs, the gland will swell to give a sign. After the infection subsides, the gland will deflate on its own and return to its original size.
Lymph nodes have immune cells called lymphocytes in them. They attack bacteria, viruses, and other things that can make the body feel sick. When fighting a dangerous foreign object, the body produces more of these immune cells, so swelling of the glands is inevitable. The order of lymph from the right leg is the right lumbar trunk, the thoracic duct, and then the left subclavian vein.
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Pls help i've been stuck on this all week
The given DNA sequence GTC CTT TAC CAT CGA TTG GAA AAC GTT AAA ATC CAG TTC CAT is transcribed into CAG GAA AUG GUA GCU AAC CUU UUG CAA UUU UAG GUC AAG GUA.
What is transcription?The given DNA sequence, after transcription is translated into amino acid sequence glutamine, glutamate, methionine, valine, alanine, asparagine, leucine, leucine, glutamine, phenylalanine, STOP codon, valine, lysine, and valine.
DNA is transcribed into mRNA and translated into protein, which is the amino acid sequence of the protein.
Therefore, DNA- mRNA - protein is the correct sequence.
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Amy's doctor orders a blood test. He finds that Amy's white blood count is high. This most likely means
Amy is fighting an infection
needs a blood transfusion
has a damaged spleen
is very healthy
Answer:
Amy's doctor ordering a blood test and finding a high white blood cell count most likely means that Amy is fighting an infection. White blood cells, also called leukocytes, are an important part of the body's immune system and help to fight off infections. When the body is trying to combat an infection, the number of white blood cells in the blood can increase. This is known as leukocytosis. A high white blood cell count can also be due to other factors, such as inflammation or stress, but an infection is the most common cause.
Explanation:
Do slow twitch muscles fatigue quicker than fast-twitch muscles?
False. Slow twitch muscles tire more quickly than fast twitch muscles. Slow twitch muscles are more fatigue resistant.
There are two types of skeletal muscles: fast-twitch and slow-twitch muscles. Fast-twitch muscles contract quickly and release energy in a very short time. Meanwhile, slow-twitch muscles are muscles that contract less quickly and release energy gradually.
Slow-twitch muscles that release energy gradually cause the power generated to be more controlled so that it is more resistant to fatigue, so it is usually used for long-distance running because of its long endurance and not getting tired easily. While fast-twitch muscles produce high energy in a short time but tire easily, so it is used for vigorous bursts of movement such as sprinting because it tires quickly.
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Does having older siblings affect your personality?
Yes, having older siblings can affect your personality.
Research has found that having an older sibling can shape a child’s development in a number of ways. Children with older siblings often learn to interact with peers more quickly and effectively, since they can observe and copy their siblings’ behavior. They also become more independent and confident more quickly, since they have the opportunity to practice their skills with someone they can trust.
Having an older sibling can also affect the way a child expresses themselves. Those with older siblings tend to be more assertive in their language and actions, while also being more likely to take risks and challenge themselves to try new things. They often have better problem-solving skills and can think more creatively than those without an older sibling.
In conclusion, having an older sibling can have a significant influence on a child’s personality and development. From the way they interact with others, to the way they express themselves, the presence of an older sibling can have a lasting impact.
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Differentiate between the role of plasma membrane and different organelles.
Answer: The plasma membrane is the outer barrier of the cell that separates the inside from the outside environment, while organelles are specialized structures within the cell that perform specific functions necessary for the cell's survival and function.
Explanation: The plasma membrane, also known as the cell membrane, is a thin, flexible barrier that surrounds the cell and separates the inside from the outside environment. It is composed of lipids and proteins and plays a crucial role in maintaining the integrity and function of the cell.
On the other hand, organelles are specialized structures within the cell that perform specific functions. Some examples of organelles include the nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus.
The nucleus is the central organelle that controls the cell's genetic material and is involved in the synthesis of proteins. The mitochondria are the cell's powerhouses, responsible for producing energy in the form of ATP. The endoplasmic reticulum is involved in the synthesis and transportation of proteins, while the Golgi apparatus is responsible for modifying, sorting, and transporting proteins and lipids.
A little hand for completing thi schaart please it dues today PLS
If the diplold (2n) number of chromosomes for this cell is four and the haploid number is two, are the daughter cells now diplold or haploidas it following telophase I there is a short interphase; however, there is not any DNA synthesis.
What happens in telophase II?After telophase II, each chromosome in the haploid organism has been made up of one daughter chromosome. Meiosis has the type of cell division that will results in the halves of the number of the chromosomes in the daughter cells.
Four daughter cells with each of which has half its parent cell's chromosomes, are created during the meiosis. Meiosis I and II, the first and second division has steps of the meiotic process, each involve four stages: prophase, metaphase, anaphase, and telophase.
Therefore, If the diplold (2n) number of chromosomes for this cell is four and the haploid number is two, are the daughter cells now diplold or haploidas it following telophase I there is a short interphase; however, there is not any DNA synthesis.
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All foods contain _____. nutritional benefits a combination of fats, carbohydrates, and proteins a combination of salts, minerals, and flavors
All foods contain macros, nutritional benefits a combination of fats, carbohydrates, and proteins a combination of salts, minerals, and flavors.
What are macronutrients?Mаcronutrients, or mаcros, аre essentiаl nutrients the body needs in lаrge quаntities to remаin heаlthy. Mаcronutrients provide the body with energy, help prevent diseаse, аnd аllow the body to function correctly. There аre three mаin types of mаcronutrients: proteins, fаts, аnd cаrbohydrаtes.
Mаcronutrients аre different to micronutrients, such аs vitаmins аnd minerаls, аs the body requires them in lаrger quаntities. А number of fаctors, such аs аge, sex, fitness goаls, аnd preexisting heаlth conditions cаn influence the аmount of mаcronutrients а person requires.
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7 What part of the cell holds all the excess
food and water in a cell? It is much larger in
plant cells than animal cells
A.Vacuole
B.Cytoplasm
C.Cell wall
Answer:
vacuole
Explanation:
Vacuoles might store food or any variety of nutrients a cell might need to survive.
Although lung cancer is not common, about ______ percent of all lung cancers occur in smokers. A. 10. B. 25. C. 40. D. 80. D. 80.
Although lung cancer is not common, about 80 percent of all lung cancers occur in smokers, Correct option (c).
Cancer is a disease in which the cells of the body multiply uncontrolled. Lung cancer occurs when cancer originates in the lungs.
Lung cancer starts in the lungs and can spread to the lymph nodes or other organs, including the brain. Cancer can spread to the lungs from other organs. Metastasis occurs when cancer cells travel from one organ to another.
Lung cancer is frequently divided into two types: small cell and non-small cell (including adenocarcinoma and squamous cell carcinoma). These types of lung cancer grow and are treated differently. Non-small cell lung cancer outnumbers small cell lung cancer.
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Answer:.
Explanation:
Lean women with a bmi less than _______ have increased risks of preterm delivery and delivering a low-birth weight infant. 20 kg/m2 25 kg/m2 30 kg/m2 40 kg/m2
Lean women with the bmi less than 25 kg/m2 have increased the risks of preterm delivery and the delivering a low-birth weight of the infant.
Premature birth occurs when a baby is born before 37 weeks of gestation. It is the leading cause of death in life and can cause long-term health problems in babies.Risk factors for premature birth include previous preterm births, multiple pregnancies, certain infections, maternal health problems, smoking , and drug use during pregnancy. Premature infants can be at risk of respiratory distress, hostility, feeding problems, experimental confinement, vision and hail problems, and long-term physical and internal disabilities.
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Answer: a. 20
Explanation:
Why are socks an important component of your exercise clothing?
The reason why socks is an important component because socks will keep your feet dry that prevent you from slippery and injury from small things while exercise.
What is another benefit of having sock when doing exercise?Using socks when exercise as some benefit to you, such as:
It keep your foot cool. It prevent you foot getting damage from a small materialIt keep out your foot from blisterAs to reminder, you should use proper sock or it might damage your foot such as:
When using smaller sock than your size. Its tight disturb you blood circulation and muscle movement so the injuries can easily occurWhen using bigger sock than your size. It will increase slip chance.Learn more about sock function here
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The ureter extends downward
1-behind the parietal peritoneum and joins the urinary bladder from above.
2- behind the parietal peritoneum and joins the urinary bladder from below.
3- in front of the parietal peritoneum and joins the urinary bladder from above.
4- in front of the parietal peritoneum and joins the urinary bladder from below.
5-and then loops up around the bladder.
The ureter connects the urinary bladder from below and continues downhill beneath the parietal peritoneum.
What does ureter pain feel like?Suffering from side, ribs, or abdominal pain. pain that is intense or acute and comes in waves. discomfort that radiates to your groin. Specifically if the pain is brought on by kidney stones, nausea and vomiting are frequently experienced together with kidney discomfort. A damaged ureter can be repaired using a range of reconstructive techniques, from simple outpatient
Can ureters heal on their own?On occasion, a nephrostomy or catheter is all that is intervention required to divert the urine stream. Most people who have ureters without strictures recover. A balloon dilatation or endoureterotomy can be used to treat a stricture endoscopically if it does happen to form.
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