in the absence of chromosomal rearrangements, what are the most likely karyotypes of a newborn baby with 47 chromo- somes? with 45 chromosomes?
Answers
The chromosomal rearrangements in the baby with karyotypes of 47 chromosomes will be XXY and 45 chromosomes will be XO.
The presence of 47 chromosomes in the baby is characteristics of trisomy that is Klinefelter syndrome and that of 45 chromosome is characteristics of Turners syndrome. It is a condition caused by monosomy because during chromosomal movement, the unequal distribution of chromosomal pairs takes place and one of the gamete gets more chromosome while it is reduced for another. In XXY pairs, the gender of baby is male with some features of females such as enlarged breasts, thick thighs etc. In XO pair, the gender of baby is female but the features are not developed well in adult.
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Related Questions
Compare and contrast the terms: cilia and flagella
Answers
What term refers to the warming of Earth's atmosphere when water vapor, carbon dioxide, and other gases absorb and re-radiate thermal energy (heat)?
a) greenhouse effect
b) global warming
c) climate change
d) radiation
Answers
Answer:
greenhouse effect
Explanation:
Number of phase abserved oh halo halo
Answers
According to research, there are 4 phases observed in halo-halo: solid, liquid, gas, and colloid.
What are these phases?Solid: The ice cream and other frozen desserts in halo-halo are solid phases.
Liquid: The syrups, condensed milk, and other liquids in halo-halo are liquid phases.
Gas: The air bubbles in the shaved ice are gas phases.
Colloid: The mixture of the shaved ice, milk, and other ingredients is a colloid phase. A colloid is a mixture of two or more phases that do not mix evenly. In the case of halo-halo, the shaved ice is a solid phase that is suspended in the liquid phase of the milk and other ingredients.
The number of phases observed in halo-halo can vary depending on the ingredients used. For example, if you add fruit to halo-halo, you will add another solid phase.
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Correct question:
How many number of phase observed of halo-halo
PLS HELP!! I NEED THIS TODAY!!!
Which of the following is a stage of a host cell infection by a virus?
Select one:
a. viral genetic material injected into the host cell’s cytoplasm
b. replication of viral DNA using host mitochondria DNA
c. adaptation of viral receptors to infect most organism cells
d. virus attaches to host cell membrane using a capsule
Answers
Answer:
I think that the answer is B
If two organisms are in the same order, which statement is also true?
A. Same species
B. Same family
C. Same genus
D. Same class
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serve the picture carefully and identify which products are formed as A and B. Powered coal Heat ՈՐ
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when powered coal is heated, it undergoes thermal decomposition to form carbon monoxide and hydrogen gas as products A and B respectively. These gases have various industrial applications and are important feedstocks for chemical synthesis.
The picture shows that powered coal is being heated. This is a form of thermal decomposition reaction in which coal breaks down into simpler molecules due to the application of heat. The products formed as A and B are carbon monoxide and hydrogen gas respectively.
Carbon monoxide (CO) is a colorless, odorless gas that is toxic when inhaled. It is formed when carbon-containing substances are burned with insufficient oxygen. Carbon monoxide is used as a reducing agent in metallurgy, as a fuel gas, and as a feedstock for chemical synthesis.
Hydrogen gas (H2) is a colorless, odorless gas that is highly flammable. It is used as a fuel and as a feedstock for the production of ammonia, methanol, and other chemicals. Hydrogen gas can also be used as a reducing agent in metallurgy.
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Why are there so many earthquakes in califonia?
Answers
Answer:
The earthquakes of California are caused by the movement of huge blocks of the earth's crust- the Pacific and North American plates. Over time, these faults produce about half of the significant earthquakes of our region, as well as many minor earthquakes.
Answer:
The level of seismic activity is due to North Carolina's present upon a passive not active continental margin unlike West Coast regions which experiment frequent earthquakes along known and active Falls owns all of the known facts Exposed on the surface North Carolina are ancient and Interactive.
Explain the movement of ribs during inhalation and exhalation.
Answers
Answer:
Inspiration (breathing in)
The diaphragm contracts and moves downwards. The intercostal muscles contract and move the ribs upwards and outwards. This increases the size of the chest and decreases the air pressure inside it which sucks air into the lungs. During normal breathing, the major inspiratory muscles produce rib cage expansion and a downward movement of the diaphragm. These movements cause the pressure around and in the lung to become negative (relative to atmospheric pressure).
Explanation:
Explanation:
During normal breathing, contraction of the major inspiratory muscle, the diaphragm, produces both rib cage expansion and a downward movement of the diaphragm. These movements cause the pressure around and in the lung to become negative relative to atmosphere.
it flows through the large tubes called
HELP ME PLEASE IT DUE TOMORROW :( PLEASE
Answers
Shifty shrubs A team of researchers noted that a species of shrubs in North America has shifted its range northward during the last 30 years. Based on this observation, the researchers concluded that global warming pushed this species toward a cooler region. However, a second team of researchers decided to measure the thermal niche of the species in the laboratory, discovering that the critical thermal maximum exceeds the highest temperatures that this species experienced in the past or present. This second team also noted that several species of birds, which help to disperse the seeds of the shrubs, have shifted their ranges northward in the past 30 years. Use this information and your knowledge about biology to answer questions 31-35. 31. The first team of researchers drew their conclusion from knowledge of the fundamental niche. True False 2.5 points QUESTION 32 The second team of researchers measured the realized niche of shrubs. True False 2.5 points QUESTION 33 To verify that shrubs could live at lower latitudes, the second team of researchers would need to transplant some shrubs southward while replanting others in the current range. True False 2.5 points QUESTION 34 The species of shrubs could have shifted northward because southern climates became too warm or dry for the species of birds that disperse seeds. True False 2.5 points QUESTION 35 The geographic range of this species of shrubs will likely remain the same as Earth warms during the next three decades. True False
Answers
False: The first team of researchers drew their conclusion from knowledge of the fundamental niche.
False: The realized shrub niche was measured by the second research team.
True: shrub species may have moved northward as a result of southern temperatures becoming too hot or dry for seed-dispersing bird species.
True: The second team of researchers would need to transplant some shrubs southward while replanting others in the current range.
False: As the Earth heats over the next three decades, this species of shrub's global range is probably going to stay the same.
The first team of researchers drew their conclusion from knowledge of the realized niche. The broad range of environmental conditions where a species may be able to thrive and procreate is referred to as the basic niche. However, the first team of researchers observed the range shift of the shrubs in North America, which indicates the realized niche.
The realized niche refers to the actual range of environmental conditions where a species is found, considering factors such as competition, predation, and other biotic interactions. By observing the northward shift of the shrubs, the researchers inferred that global warming pushed the species toward a cooler region, which is an observation related to the realized niche.
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Which high school courses would be beneficial for a career in parasitology? O anatomy and physiology botany and animal biology o technology and zoology biology and biochemistry
Answers
I believe it's biology and biochemistry.
1. green anoles, a lizard species native to Florida, live in the branches of trees.2. Brown anoles, a lizard species introduced into Florida in the 1950s live in the branches of the same trees3. green anoles and brown anoles have a similar diet.4. Both lizard species eat the hatchlings of the other lizard species.5. after many generations, green anolies were observed to have larger and stickier toe pads than earlier generations.6. within the same trees green anoles now occupy the higher branches.Which conclusion is best supported by scientists observations?A) adaptations of the green anoles allow it to cling to thinner branches than they previously could cling to.B. competition has resulted in the brown anole being adapted to live in taller trees than they previously lived in.C. competition has resulted in the green anole being adapted to consume food sources from a different type of tree.D. adaptations of the brown anole allow it to hunt for prey and branches in a different location of the tree than the green anole does.t to hunt for prey and branches in a differentlocation of the tree than the green anole does.
Answers
According to the problem, after many generations, green anoles were observed to have larger and stickier toe pads than earlier generations and within the same trees, green anoles now occupy the higher branches. Note that the thinnest branches are generally the highest on the tree. This means that adaptations of the green anoles allow them to cling to thinner branches than they previously could cling to.
we can conclude that the correct answer is:
Answer:A) adaptations of the green anoles allow it to cling to thinner branches than they previously could cling to.
make a reflection paper about "limiting factors affect carrying capacity"
Answers
Answer:
Explanation:
Board of Education Curriculum Information:
1. Current Reality and Research*
In this course, students will engage in scientific inquiry, explore biochemistry, the cell, bio-energy,
mechanisms of genetics, and biotechnology. Students will also study change in organisms over time,
classification, and ecosystems. This course is designed to prepare students for A.P. Biology. Lab
experiences are an integral part of the course too. Common Core Literacy Standards for Science
and ISTE Technology Standards were reviewed and included.
2. Curriculum and Assessment Development and Revision
A. Curriculum Map/Pacing Guide – included in curriculum
B. Curriculum Development Review Feedback:
Content Leader review - [April 2015]
Director of Student Learning review – [April 2015]
Teacher/Administrator review-- [March 2015]
Curriculum Advisory Council review – [04/28/2015]
Academic Strategic Planning Committee review – [05/04/2015]
BOE First Reading – [05/21/2015]
BOE Second Reading/Approval – [06/204/2015]
Summary of curriculum and revisions: Last Curriculum Revision – [February of 2010]
Teachers used Course Level Expectation standards, previous curriculum, current curriculum
template, and content knowledge to develop this curriculum. The new curriculum supports
Biology standards as well as preparing students for A.P. Biology. The course continues to focus
on science transfer goals that transfer vertically among all science classes. It also supports the
Common Core Literacy Standards for Science and ISTE Technology Standards for Science.
This new curriculum is designed to increase rigor and relevance while preparing students to 21st
century learners. These students will be well prepared for semester exams and the Biology
E.O.C. exam.
3. Professional Development and Implementation
Professional Development Plan*
Teacher training dates ___TBD 2015-16___
Administrator training dates ___TBD 2015-16___
Approximate Expense ___$1400 ___
4. Evaluate Resources and Materials
Text Selection (if applicable)* 2016-2017
Approximate Expense_____$100,000____________
5. Monitor Implementation
Projected Date – 2017-2018 school year
6. Program Evaluation*
Projected Date – 2018-2019 school year
*see attached document(s)
PreAP Biology
Curriculum
Board Approved:
FHSD Academics SM PreAP Biology Date Approved ¨
Page 1
Francis Howell School District
Mission Statement
Francis Howell School District is a learning community where all students reach their full potential.
Vision Statement
Francis Howell School District is an educational leader that builds excellence through a collaborative culture that values students, parents,
employees, and the community as partners in learning.
Values
Francis Howell School District is committed to:
● Providing a consistent and comprehensive education that fosters high levels of academic achievement for all
● Operating safe and wellmaintained schools
● Promoting parent, community, student, and business involvement in support of the school district
● Ensuring fiscal responsibility
● Developing character and leadership
Francis Howell School District Graduate Goals
Upon completion of their academic study in the Francis Howell School District, students will be able to:
1. Gather, analyze and apply information and ideas.
2. Communicate effectively within and beyond the classroom.
3. Recognize and solve problems.
4. Make decisions and act as responsible members of society.
Science Graduate Goals
The students in the Francis Howell School District will graduate with the knowledge, skills, and attitudes essential to leading a productive,
meaningful life. Graduates will:
∙ Understand and apply principles of scientific investigation.
"Curfews for Children" discusses opinions and reasons both for and against curfews. "Children
Don't Need Curfews" argues against curfews. Think about the claims, reasons, facts, and details
presented in both passages. Why might a child be in favor of curfews? Write an argument from
the perspective of a child who supports a curfew. Include evidence from both passages to support
your claim.
Answers
As a child, I support having a curfew because it promotes safety, healthy habits, and personal responsibility.
Why do children need curfews?As a child, I support having a curfew and I believe it can have a positive impact on our lives. While the article "Children Don't Need Curfews" argues against curfews, there are valid reasons why I think they are important.
Firstly, curfews provide a sense of safety and security. As a child, I may not fully understand the dangers of being out late at night. Having a curfew ensures that I am home and safe during the night. According to "Curfews for Children," curfews can reduce the likelihood of criminal activity and protect children from being victims of crime. This is important because it helps me feel safe and secure in my community.
Secondly, curfews can promote better sleep habits. As a child, getting enough sleep is essential for my health and well-being. "Curfews for Children" states that sleep deprivation can lead to poor academic performance, behavior problems, and even health issues. By having a curfew, I am encouraged to establish a routine and get enough rest each night. This ultimately benefits me in the long run.
Lastly, having a curfew can help me develop responsibility and self-discipline. By adhering to a curfew, I am learning to follow rules and regulations. This can translate to other areas of my life such as school or sports. According to "Curfews for Children," having a curfew can teach children self-discipline and help them make responsible decisions. As a child, it is important to develop these skills to succeed in the future.
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1. there are five factors that influence our cardiorespiratory fitness that were discussed in the lecture. select two and explain their impact on our cardiorespiratory fitness. (2 points) 2. explain what happens to your cardiovascular system as you move through your 30-minute aerobic workout. why does this happen? (4 points) 3. which method of assessing cardiorespiratory endurance is most popular? why? which is most accurate? why? (4 points)
Answers
(1) Two factors that influence cardiorespiratory fitness are age and physical activity level. Age plays a role in cardiorespiratory fitness as it affects the efficiency of the cardiovascular system and decreases maximum heart rate.
(2) A 30-minute aerobic workout initially fulfil the increased oxygen requirements of the muscles, the heart rate and stroke volume rise. Blood arteries enlarge in conjunction with this, improving blood supply to active muscles.
(3) The submaximal exercise test, which frequently employs the step test or treadmill test, is the most widely used technique for evaluating cardiorespiratory endurance.
(1) One of the elements that has a considerable impact on cardiorespiratory fitness is age. People's cardiovascular systems alter as they age, which may have an impact on how fit they are. With ageing, the cardiovascular system's effectiveness declines, which affects the body's capacity to provide working muscles with oxygen. Additionally, as people age, their maximal heart rates decrease, which reduces their total capacity for strenuous exercise.
By decreasing the body's capacity to satisfy the higher oxygen needs during physical exercise, these age-related alterations can have an impact on cardiorespiratory fitness. The quantity of exercise is a significant component that affects cardiorespiratory fitness. Regular physical activity and exercise promote cardiovascular system adaptations that raise fitness levels.
(2) The cardiovascular system alters in a number of ways during aerobic exercise, such a 30-minute workout. To initially fulfil the increased oxygen requirements of the muscles, the heart rate and stroke volume rise. Blood artery dilatation that results from this enhances blood supply to the working muscles. The heart becomes more proficient at pumping blood as the activity goes on, and the lungs take in more oxygen and expel more carbon dioxide. These modifications raise cardiorespiratory fitness and increase the overall effectiveness of the cardiovascular system.
(3) The submaximal exercise test, which frequently employs the step test or treadmill test, is the most widely used technique for evaluating cardiorespiratory endurance. These assessments are frequently utilised because they offer a useful and affordable technique to determine a person's level of fitness. In order to estimate cardiovascular fitness, they measure the heart rate response to exercise at submaximal intensities.
The maximum activity test, such as the graded exercise test or VO2 max test, is the most precise way for determining cardiorespiratory endurance. These tests calculate the maximum quantity of oxygen that a person can consume while engaging in strenuous exercise. While they offer a more accurate evaluation of fitness, they call for specialised equipment, experienced personnel, and may present higher hazards for people with particular medical issues.
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Describe the process of succession using the 6 steps from the video.
Answers
In biology, succession refers to the process of change in the species structure of an ecological community over time.
How does succession happen ?There are two forms of succession: primary and secondary. Primary succession commences in regions where there is barren soil, for instance, on bare rock or sand. This form starts with the colonization of pioneer species like mosses and lichens which help erode the surface, gradually creating favorable soil conditions. As a result, other animals and plants can move into the area to establish themselves.
Secondary succession, however, takes place in areas already habited by organisms - disturbed or ruined due to external factors such as wildfire, floods, and human interaction; thereby imposing substantial ecological modifications.
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What liquid was used to dilute the yogurt so it was easier to see the bacteria on the slide?
Answers
Yogurt is typically diluted with water before being used as a sample for microscopic examination. It is simpler to examine the bacteria and other yogurt ingredients under a microscope thanks to the water's assistance in separating and dispersing them. Yet occasionally, different liquids, including saline solution or buffer solutions, can also be utilized for this.
Under a microscope, how do you see the microorganisms in yogurt?Locate a region of the yogurt that is relatively thin under low power; this is where the bacteria are. For a better look of the bacteria, change the magnification to high power (400X for most microscopes). These tiny organisms will be significantly easier to see if your microscope has an oil immersion lens.
How can bacteria be separated from yogurt?By homogenizing and dissolving curds under alkaline conditions, as well as by subjecting them to lysis with proteases or surfactants, it is possible to separate LAB from yogurt (Gunasekera et al., 2002). Centrifugation is used to gather the cells following these procedures.
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The younger layers of rock in the grand canyon are on top of the older layers
Answers
Answer:
"principles of superposition"
Explanation:
Which organelle in the table is correctly matched with its function?
chloroplast
cell wall
cell membrane
vacuole
Answers
Answer: cell wall
Explanation:
Mark me brainliest :)
Answer:
Its B On Edge 2020
Explanation:
I Took The Quiz & Got It Right .
Bonjour comment naissent les iguanes?
Answers
Answer: les femelles pondent environ 20 à 70 œufs par an une fois qu'elles atteignent la maturité sexuelle. Lorsque 65 jours se sont écoulés après l'accouplement, l'iguane femelle déposera des œufs pâles et de couleur crème dans des terriers qu'elle construit. Dans les 90 à 120 jours, les œufs éclosent et de jeunes iguanes émergent.
Explanation: j'espérais pouvoir aider
Name 2 tructure ,viible with a light microcope, which ditinguih plant cell from animal cell
Answers
The cell wall and the vacuoles are the two features that can be seen under a "light microscope."
The cell membrane is present underneath the cellulose-based cell wall in plant cells, but only the cell membrane is present in animal cells. The plant cell is larger than the animal cell because it has more vacuoles than the animal cell does, which makes them different in size. Additionally, the vacuoles occupy a "large volume" of the cell.
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Can somebody please help me on this asap cause it's due tomorrow
Answers
Answer:
Water, ph 7
Indicators can be used to approximate the equivalence point of an acid–base titration.
It's an acid base indicator used in tiration.
Explanation:
7 is always neutral, water is typically the example used.
The other stuff is self-explanatory, I would recommend looking into acid base tiration.
How do glands of the endocrine system help your body maintain homeostasis?
Answers
what happens to the ice over time?
Answers
Answer:
it melted ig
Explanation:
Which statement about ATP molecules is true?
A. The bond between the second and third phosphate group is most easily broken.
B. The bonds between phosphate groups form a ring structure
C.The addition of a phosphate group converts ATP to ADP
D.The removal of a phosphate group converts ATP to a higher-energy molecule.
Answers
1. The three vehicles shown below are all traveling at a speed of 15 m/s, but only the pickup truck has a changing velocity. The pickup truck has a changing velocity because the pickup truck
All three vehicles have a constant velocity.
All three vehicles have a constant velocity.
All three vehicles have a constant acceleration.
All three vehicles have a constant acceleration.
The pickup truck is the only vehicle accelerating.
The pickup truck is the only vehicle accelerating.
The minivan and sedan are both changing veloc
Answers
Answer:
The pickup truck is the only vehicle accelerating.
Explanation:
Acceleration refers to the change in velocity per unit time which means that when the velocity changes, acceleration will be produced and if there is constant velocity of a vehicle so the acceleration will be zero. All three vehicles have same velocity of 15 m/s but the truck has no uniform velocity which means acceleration is produced in the truck while no acceleration is formed by three vehicles.
Answer:
The pickup truck is traveling on a curve in the road
Explanation:
Common sense! The truck is traveling on a curve and therefore will have a change in velocity.
Germs that cause diseases?
Answers
Answer:
There are two main types of germs which can cause disease in humans and animals. These are bacteria and viruses. Bacteria are larger than viruses.
Explanation:
One reason cancer cells are easier to culture than normal cells extracted from an organism is that ________. Group of answer choices cancer cells grow in a more regulated fashion. cancer cells do not need to adhere to a substratum to grow. nutrient requirements for cancer cells are precisely defined. cancer cells are better models for demonstrating what happens in an intact organism.
Answers
Let's list the given options alphabetically to choose the appropriate answer.
One reason cancer cells are easier to culture than normal cells extracted from an organism is that ________. Group of answer choices
A. cancer cells grow in a more regulated fashion.
B. cancer cells do not need to adhere to a substratum to grow.
C. nutrient requirements for cancer cells are precisely defined.
D. cancer cells are better models for demonstrating what happens in an intact organism
Answer:
B.
Explanation:
Cancer cells are easier to culture in comparison to normal cells because cancer cells do not need to adhere to a substratum to grow.
As cancer cells are uncontrolled growth of cells and they do not require any substratum to grow and can easily grow to a culture while a normal cell require optimal conditions to grow in a culture.
Hence, the correct option is "B".
Anaerobic and aerobic cellular respiration are both biological processes that result in the production ATP molecules. Which of the following best compares anaerobic and aerobic cellular respiration?
a Aerobic respiration occurs in the cytoplasm and anaerobic takes place in the mitochondria.
b Aerobic respiration only occurs in muscle cells and anaerobic occurs in blood cells.
c Aerobic respiration produces alcohol and anaerobic respiration produces lactic acid.
d Aerobic respiration uses oxygen and anaerobic respiration does not.
Answers
Answer:
the answer would be D.
Explanation:
Anaerobic respiration and aerobic respiration produce ATP. Aerobic respiration uses oxygen. In anaerobic respiration oxygen is not used. Option d is the correct answer.
What is cellular respiration?Cellular respiration is a process in which a cell uses oxygen and carries out different cellular processes. In this process, energy is produced. There are two types of cellular respiration, such as aerobic respiration and anaerobic respiration.
In anaerobic respiration, oxygen is not used. An example is glycolysis. Glycolysis takes place in the cell cytoplasm. 2 ATP is released by this process.
In aerobic respiration, oxygen is used. Example: In the presence of oxygen, the pyruvate enters the Krebs cycle and the electron transport chain. This process takes place in the mitochondria.
In this aerobic process, the maximum amount of ATP is released. In aerobic respiration, the complete oxidation of glucose takes place , but in anaerobic respiration, complete oxidation does not take place.
Hence, option d is the correct answer. Aerobic respiration uses oxygen. Anaerobic respiration does not use it.
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Why are alternative (renewable energy sources preferred to traditional (non-renewable) energy sources?
Answers
Answer:
because renewable resources is always renewable but,non renewables are dissaper