Answer:
B
Explanation:
Males account for between _____ and ______ percent of all eating disorders.
Would it be valid to conclude that if a base were added the rate of the reaction would slow down
Is it possible that nuclear division in mushrooms represents an intermediate mechanism in the evolution of mitosis
Possibly, because karyokinesis, the division of a nucleus, is similar with that of the processes of mitosis and cytokinesis. It might be that nuclear division was an intermediate to mitosis which later developed to other cells. This means that because this replication is essential for the proliferation of cells, essentially, the mechanism that is mitosis should be vitally involved.
How are genetic mutations passed from parent to offspring?
A. Sex cells divide to create new cells.
B. Mutated gametes (sex cells) fuse to create offspring.
C. Genetic mutations occur during DNA replication.
D. Genetic mutations only occur during meiosis, never mitosis.
Ans. (B). Mutated gametes (sex cells) fuse to create offspring.
Genetic mutations or germline mutations can be defined as permanent change in the DNA sequence of germ cells (cells, which form ovum and sperm). These mutations can pass from one generation to other, when a mutated sperm or mutated oocyte (gametes) get fertilized with other oocyte or sperm.
A germline mutation, present in a single-celled zygote will present in all cells of a muticellular organism, as single-celled zygote divides and produce all of the cells in that organism.
Thus, the correct answer is option (B).
Genetic mutations are passed from parent to offspring by mutated gametes (sex cells) which are fuse to create offspring.
Further Explanation:
Sexual reproduction is the major method of reproduction in a variety of organisms. All the plants and animals majorly undergo sexual reproduction. The main process in sexual reproduction is:
Meiosis Fertilization
Fertilization is a process of the fusion of gametes which are sperm and egg results in the diploid zygote. In meiosis ploidy level of germ cell get halved. Meiosis involves crossing over in between the non-sister chromatid of the homologous chromosome thus leads to genetic variation.
Germline or genetic mutations can be defined as the lasting change in the sequence of germ cell (sperm and ovum) DNA. These mutations can inherit from one generation to another. If a mutated gametes such as oocytes or sperm fuses with other. After fertilization, meiosis occurs and crossing over takes place which transfer the genetic information from parents to offspring. If the genetic information contains mutated gene that is also pass from parents to offspring.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Cell division
Keywords:
Reproduction, asexual reproduction, sexual reproduction, meiosis, fertilization, animal, plant, genetic variation, offspring, parents, archaea, Protista.
Scientific knowledge is generally considered to have a positive effect on society. In which situation would scientific knowledge most likely have a negative effect on society?
A if it is used to justify changes in medical practices
B if it results in new governmental regulations on industry
C if it takes years to become widely understood
D if it is misrepresented in order to influence public opinion
The correct answer is D. If it is misrepresented in order to influence public opinion
Explanation:
The scientific knowledge refers to the knowledge gained through the scientific method that promotes the development of new technologies or changes in paradigms that support the progress of society, which means in most cases scientific knowledge has positive effects. However, this knowledge can also have negative effects in the case is used for manipulating or influencing people or violating their rights this can occur in the case scientific studies or theories are misinterpreted or changed to present opposite findings for example companies can manipulate scientific studies to prove products have certain benefits they do not have or hid negative effects . Therefore, one of the situations in which scientific knowledge would have a negative effect is "If it is misrepresented in order to influence public opinion".
The nurse is caring for an infant who has frequent respiratory infections. while assessing the infant, the nurse hears a loud and harsh holosystolic murmur at the left lower sternal border. what should the nurse infer from these findings?
The nurse should infer base from the findings is that the infant is having a ventricular septal defect in which cause the infant having to produce a loud and harsh holosystolic murmur that is found in the left lower sternal border.
¿Qué función crees que cumple el tejido cartilaginoso en la laringe y en la tráquea?
Tetanic muscle contractions don't occur in a normal cardiac muscle because
Which of the following statements is correct regarding the human X chromosomes?
It is present in every somatic cell of male and female.
Further Explanation:
The chromosomes are present in the nucleus of the cell. It consists of DNA material bounded to the protein molecule which is positively charged.
Twenty three pairs of chromosomes are present in every somatic cell of the human. Twenty two pair of chromosomes are referred to as autosomes while one pair of chromosomes is known as sex chromosome. The somatic cells are diploid in nature. Another type of cells are also present in the human body, they are known as gametic cell. These cells are haploid in nature as they have only twenty two chromosome and one sex chromosome.
In the human the sex chromosome denoted by “Y” is known to be responsible for determining the biological sex of the human. If XY chromosomes is present in the cell, it means it is the cells of male but if it is XX chromosome then this means they are male cell.
The karyotype of the human cell is develop by arranging the chromosomes in the decreasing order of their cell.
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Answer Details:
Grade: High school
Subject: Biology
Chapter: Genetics
Keywords:
Chromosomes, nucleus, cell, DNA, protein, somatic cell, autosomes, sex chromosome, diploid, gametic cell, haploid, sex chromosome, karyotype.
It carries genes that determine an individual's biological sex. That is option C.
What is the human X Chromosome?The human X Chromosome can be defined as one of the two sex chromosomes that are involved in sex determination. The second chromosome is the Y chromosome.
That is when an X chromosome fuses with a Y chromosome, a male offspring is produced.
Also when an X chromosome fuses with a X chromosome, a female offspring is produced.
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Complete question
Which of the following statements is correct regarding the human X chromosomes?
A) It is present in every somatic cell of males and females.
B) It is the same size as other chromosomes and has the same number of genes.
C) It carries genes that determine an individual's biological sex.
D) It is referred to as an autosome.
Cara and chuck were looking at pond water through a microscope they saw small square crystals in their slide cara wondered what is was chuck said it could not be any living thing because it was not? A. Round. B. Moving. C. Small enough. D. Made of cells.
The answer is D it is not made of cells
The right option is; D. Made of cells.
.....chuck said it could not be any living thing because it was not made of cells.
Cell is the basic structural and functional unit of all living organisms. All living organisms are made up of many cells that functions together, and they are either unicellular or multicellular organisms. Cells contain several membrane bound organelles that perform different important functions within the cell. Distinct features that allow a cell to carry out its functions include; a cell membrane that keep the chemical reactions of life together, at least one chromosome that contains genetic material, and the cytoplasm (the content of the cell).
Mr. bellazono, a fisherman in his late sixties, comes to the clinic to complain of small ulcers on both forearms as well as on his face and ears. although he has had them for several years, he has not had any other problems. what is the likely diagnosis, and what is the likely cause?
Mr. Bellazono likely has sporotrichosis, also known as rose gardener's disease, which is a fungal infection and common among individuals who work with plants and soil.
Based on the description provided, Mr. Bellazono is likely suffering from sporotrichosis, commonly known as rose gardener's disease. This is a fungal infection that often presents with subcutaneous ulcers and abscesses which may spread over a large area such as a hand or an arm. It is frequently experienced by individuals who work in landscaping or gardening due to its association with plant material and soil.
Another common infection presented with itchy, ring-like lesions, is known as ringworm, which also could be a consideration, although sporotrichosis seems more consistent with the chronic presentation and Mr. Bellazono's occupation.
Determining the current state process yield level would likely occur during which dmaic phase?
The network of nerve _________ and fibers that transmits nerve impulses between parts of the body
The peripheral nervous system is a network of nerve cells and fibers, or nerves, that transmits nerve impulses between the central nervous system and all parts of the body, enabling communication and control.
The network of nerve cells and fibers that transmit nerve impulses between parts of the body is known as the peripheral nervous system. This system encompasses a complex network of neurons that connects the central nervous system, comprising the brain and spinal cord, with various organs, sensory organs, and muscles throughout the body. Nerves, which are whitish bundles of neuron fibers, are essential for receiving and sending messages between the body and the brain. They are the carriers of these impulses, ensuring that different parts of the body can communicate effectively.
Each nerve is an enclosed bundle of nerve cells, called neurons. These nerves, which also include specialized nerve cells, work together to carry messages throughout the body, forming an integral part of the nerve tissue in the nervous system. The peripheral divisions of the nervous system are particularly involved in the transmission of impulses, making them vital for the function of both sensory reception and motor control.
Question 11 the area on an enzyme where a molecule other than the substrate can attach is called an:
F. if a cellʼs nucleolus is damaged and non functional, what is the effect on protein synthesis—be
If a cell's nucleolus is damaged and non-functional, it can have an effect on protein synthesis. Other cellular organelles that would be affected include the ER and Golgi apparatus. A human liver cell lacking ER would have a significant impact on its ability to metabolize toxins.
Explanation:If a cell's nucleolus is damaged and non-functional, it can have an effect on protein synthesis. The nucleolus is responsible for producing ribosomes, which are necessary for protein synthesis. Without functional ribosomes, the cell will not be able to efficiently carry out protein synthesis.
Other cellular organelles that would be affected if the nucleolus is damaged include the endoplasmic reticulum (ER) and the Golgi apparatus. The ER is involved in protein synthesis and folding, while the Golgi apparatus is responsible for modifying and packaging proteins.
As for the question about a human liver cell lacking endoplasmic reticulum (ER), it would have a significant impact on the cell's ability to metabolize toxins. The ER plays a crucial role in detoxification processes in the liver, including the synthesis of enzymes involved in metabolizing toxins.
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Posterior parietal cortex is considered to be association cortex because it receives substantial sensory input from the
What is the best way to increase the availability of ecotourism?
A kind of tourism, which incorporates visiting pristine, fragile, and comparatively undisturbed natural regions is known as ecotourism. It is regarded as the low-influenced and generally small-scale substitute to standard commercial mass tourism.
It signifies responsible travel to the natural regions, bettering the well-being of the native individuals, and conserving the environment. The best way to upsurge the accessibility of the ecotourism is to enhance the number of protected lands, parks, and conservation areas.
What is the name of he group that consists only of modern humans and their direct ancestors?
The layer of the epidermis that contains cells undergoing division is the
"refined carbohydrates are digested __________, leading to a ________ rise in blood glucose levels."
The tails of the phospholipids of the plasma membrane are composed of _____ and are _______.
The tails of the phospholipids of the plasma membrane are made of fatty acid chains and are hydrophobic, helping to separate the inside of the cell from the outside environment.
Explanation:The tails of the phospholipids of the plasma membrane are composed of fatty acid chains and are hydrophobic (water-repelling). Phospholipids are a type of lipid molecule that makes up the bi-layer of the plasma membrane in all cells. Each phospholipid has a head and two tails. The head is polar and hydrophilic (water-loving) while the tails are nonpolar and hydrophobic. One significant purpose of these properties is to keep the aqueous environment inside and outside the cell separate.
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The most concentrated source of stored energy is a molecule of
Fats are the most concentrated source of stored energy in biological systems due to their dense energy content. While ATP has immediate energy available, fats are more efficient for long-term energy storage compared to sugars or other macromolecules.
The most concentrated source of stored energy in biological systems is a molecule of fats. This is because fats contain carbon atoms in a highly reduced state, allowing for a higher release of energy upon oxidation compared to other macromolecules like sugars, proteins, or nucleic acids.
For instance, the oxidation of fats releases about 9 kcal/mol of energy, whereas proteins or carbohydrates provide approximately 4.5 kcal/mol.
When considering potential energy in molecules like sucrose, ATP, glucose, and ADP, ATP (adenosine triphosphate) typically has the most immediate energy available for biological processes. However, for long-term energy storage, fats are more efficient due to their ability to pack together tightly without water, enabling the storage of a greater amount of energy in a reduced space.
Carbohydrates such as sugars and glycogen provide readily available energy sources, but due to their association with water, they are not as energy-dense as fats and are commonly used for short-term energy needs.
Who uses cellular respiration?
There are approximately 30,000,000 white-tailed deer in the United States, which covers 3,536,000 square miles. What is the population density, rounded to the nearest whole number, for the white-tailed deer?
a.
2 deer per square mile
b.
4 deer per square mile
c.
6 deer per square mile
d.
8 deer per square mile
The correct answer is option (D) 8 deer per square mile.
Population density refers to the number of people or animals per unit of area. It gives an estimate of how crowded an area is. Population density is obtained by dividing the total poulation of the given area by the land area which is expressed in terms of square kilometers or square miles. It can be calculated as follows.
Population density per square mile = total population / land area.
The number of white tailed deer in the United states is 30,000,000. The land area is 3,536,000 square miles. Therefore, by substituting the values in the formula of population density,
Population density of white-tailed deer = 30,000,000 / 3,536,000
= 8.48
=~ 8 deer per square mile.
The body system that defends against infection and disease is called
Describe which characteristic of life is being described in a certain scenario
What prevents goodman brown from receiving baptism? what does the devil promise as the result of baptism?
Goodman Brown is stopped from receiving baptism due to his disillusionment about human purity after his encounter with the devil who reveals the sinful nature of humanity. The devil doesn't promise anything as a result of the baptism, but his disclosure of human sinfulness creates a bleak and pessimistic understanding of life for Goodman Brown.
Explanation:In the short story 'Young Goodman Brown' by Nathaniel Hawthorne, Goodman Brown is stopped from receiving baptism due to his encounter with the devil and his subsequent realization of the pervasive nature of evil. Despite being brought up in a religious household and community, Brown is unable to commit to the sacred baptismal vows as he has succumbed to cynicism and disillusionment about human purity after witnessing the hypocrisy and the sinful nature of those he once believed to be pious.
When Goodman Brown meets the devil, the latter does not explicitly promise anything as a result of the baptism. However, the devil does represent a promise of knowledge and understanding—an uncovering of the true, sin-ridden nature of those around Brown, thus tearing down his illusions about the inherent goodness of men. This promise, though enlightening, leaves Goodman Brown isolated and pessimistic for the rest of his life, unable to enjoy the comfort and communal bond of his earlier, naive faith.
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Goodman Brown is prevented from receiving baptism because he is tempted by the Devil to abandon his faith. The Devil promises knowledge of the sins of the townspeople as a result of baptism.
Explanation:Goodman Brown is prevented from receiving baptism in the story 'Young Goodman Brown' by Nathaniel Hawthorne because he is tempted and convinced by the Devil to abandon his faith in God. Before the ceremony, the Devil promises Goodman Brown that if he goes through with it, he will gain knowledge about the sins and corrupt nature of his fellow townspeople. The Devil tempts him by saying that his father and grandfather were involved in evil actions, which ultimately leads Goodman Brown to doubt the true intentions and righteousness of the people in his community.
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The difference between primary and secondary circular reactions is that secondary circular reactions involve the infant responding to people and _____.
The answer is "secondary circular reactions involve the infant responding to people
and objects in
outer world."
An example is that when a mother hands the infant a duck or something he
squeezes it, sometime creating a sound which the infant feels like responding
to and that is why he/she will repeat the action again and again.
The idea was presented by a Swiss scientist Jean Piaget and is known as Piaget's stages of
sensorimotor intelligence.
A nurse is assessing the grief response of a family member whose relative has died. what must the nurse consider first about the family to conduct an effective assessment?
"The correct aspect to consider first about the family to conduct an effective assessment of their grief response is their cultural background.
When assessing the grief response of a family member whose relative has died, it is crucial for the nurse to first understand the cultural background of the family. Cultural norms and practices significantly influence how individuals and families express grief and mourn their losses. Different cultures have unique rituals, beliefs, and expectations surrounding death and dying, which can affect the manifestation of grief.
For example, some cultures may express grief openly and intensely, while others may do so in a more reserved and private manner. The duration and expression of mourning can also vary widely. By recognizing and respecting these cultural differences, the nurse can tailor their approach to be sensitive and appropriate to the family's needs.
In addition to cultural background, the nurse should also consider other factors such as the family member's relationship to the deceased, their previous experiences with loss, their coping mechanisms, and their social support systems. All these factors contribute to the individual's grief response and can guide the nurse in providing appropriate interventions and support.
Understanding these aspects allows the nurse to:
1. Approach the family with cultural sensitivity and awareness.
2. Recognize normal grief responses within the cultural context.
3. Identify maladaptive or complicated grief reactions that may require additional support or referral to mental health professionals.
4. Provide education about the grieving process in a culturally congruent manner.
5. Offer resources and support that align with the family's cultural practices and beliefs.
By considering the cultural background and other relevant factors, the nurse can conduct a more effective and compassionate assessment of the family's grief response, leading to better support and care during this difficult time."
How would a gummy bear placed in salt water be different from a gummy bear placed in regular water?
They both swell and are the same size.
The regular water gummy bear would be larger.
The salt water gummy bear would be larger.
They both shrink and are the same size.
Answer:
Option B, The regular water gummy bear would be larger.
Explanation:
A gummy bear is made up of water and sugar solution. When gummy bear is placed in a solution which has lower water content such as salt water solution, then water within the gummy bear tries to come out of it thereby causing it to shrink from its original shape and size. However, when gummy bear is placed in regular water , then it will swell as water concentration is higher on the outer side as compared to water with in the gummy bear and hence it will swell.
Thus, option B is correct