The given statement Each chromatid contains a single molecule of double-stranded DNA is a . Here, we will be a explaining the meaning of each term used in the statement, followed by their interrelation with each other. Chromatids are the identical,
replicated copies of chromosomes joined at the centromere. In other words, a chromosome has two chromatids connected by a centromere. Chromatids are formed during the S phase of the cell cycle. Chromatids are genetically identical copies and contain the same DNA as the parent cell, so each chromatid contains a single molecule of double-stranded DNA
Chromatids are one of the two identical halves of a duplicated chromosome, and they contain double-stranded DNA. During cell division, each chromatid is separated, and each daughter cell receives one chromatid. This is critical since it ensures that each daughter cell receives a complete set of genetic material that is identical to the parent cell's. The separation of chromatids ensures that genetic information is passed on from generation to generation with little to no change.
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What might happen if you added water to a starch molecule?
What is a group of organs that work together to accomplish a task? (two words)
Answer:
Organ System
Explanation:
The group of organs that work together to accomplish a task is called the organ system.
Answer:
An Organ System
Explanation:
Organ systems are important for maintaining the overall health and functioning of the body.
Some examples of Organ Systems include:
1) The circulatory system is made up of the heart, blood, and blood vessels (veins and arteries). In charge of the circulation of oxygen and nutrients, as well as the elimination of waste products.
2) The digestive system, which includes the mouth, oesophagus, stomach, small and large intestines, liver, pancreas, and rectum, is in charge of breaking down food and absorbing nutrients.
3) Consisting of the brain, spinal cord, and nerves, the nervous system is in charge of directing and coordinating body operations.
Each organ system relies on the other to function properly, and any disruption in one system can affect the functioning of others. Thus, the proper functioning of each organ system is crucial for wellbeing.
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help asap 20 pts and branliest
Define the following adaptations and provide at least one example: Definition Example Camouflage Mimicry Warning Coloration
Answer:
Alright.
Explanation:
Camouflage!
'Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see or by disguising them as something else.'
(If it's not that then it's most likely Mimicry-)
genetic engineering is widely used in the field of agriculture and medicine. justify the impact of genetic engineering on humans and the environment.
Answer:
Biotechnology is the use of biological techniques and engineered organisms to make products or plants and animals that have desired traits.
Explanation:
People have used biotechnology processes, such as selectively breeding animals and fermentation, for thousands of years. Late 19th and early 20th century discoveries of how microorganisms carry out commercially useful processes and how they cause disease led to the commercial production of vaccines and antibiotics. Improved methods for animal breeding have also resulted from these efforts. Scientists in the San Francisco Bay Area took a giant step forward with the discovery and development of recombinant DNA techniques in the 1970s. The field of biotechnology continues to accelerate with new discoveries and new applications expected to benefit the economy throughout the 21st century.
In its broadest definition, biotechnology is the application of biological techniques and engineered organisms to make products or modify plants and animals to carry desired traits. This definition also extends to the use of various human cells and other body parts to produce desirable products. Bioindustry refers to the cluster of companies that produce engineered biological products and their supporting businesses. Biotechnology refers to the use of the biological sciences (such as gene manipulation), often in combination with other sciences (such as materials sciences, nanotechnology, and computer software), to discover, evaluate and develop products for bioindustry. Biotechnology products have made it easier to detect and diagnose illnesses. Many of these new techniques are easier to use and some, such as pregnancy testing, can even be used at home. More than 400 clinical diagnostic devices using biotechnology products are in use today. The most important are screening techniques to protect the blood supply against contamination by AIDS and the hepatitis B and C viruses.
Applications of Genetic Engineering
Genetic engineering means the manipulation of organisms to make useful products and it has broad applications.
Light traveling through the air moves in a straight line. An object viewed through water looks different because light rays that travel through water are . . .
A.bent
B.reflected
C.bounced
B.absorbed
What is the name of the tiny blood vessels that surround the alveoli? O A. Capillaries O B. Pharynx O C. Bronchioles O D. Trachea
Answer:
At the very end of the air passages, are clusters of tiny air filled sacs called alveoli . These air sacs are surrounded by small blood vessels called capillaries
Explanation:
The name of the tiny blood vessels that surround the alveoli is Capillaries.
What are capillaries?Capillaries are the places where the exchange of substances between the blood and adjacent tissues takes place. Substance exchange can occur both between the cells that form the vessel wall and across it. Pores present in some types of blood capillaries also act as transfer sites.
Blood capillaries or capillaries as the lining of these little balls are called, are blood vessels of the circulatory system in the form of small tubes. In them, there is a large amount of carbon dioxide that diffuses into the alveolar air.
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During telephase, the
A. Nuclear membrane breaks down
B. Spindle fibers reappear
C. Chromosomes have reached opposite poles of the cell
D. Chromosomes replicate
Answer:
C. Chromosomes have reached opposite poles of the cell
Explanation:
Telophase is the phase of mitosis when the cell begins to split, forming nuclear membranes around each new set of chromosomes.
which two waves lie at the begginning and end of the electromagnetic spectrum?
Answer:
radio waves and gamma rays
Explanation:
On one end of the electromagnetic spectrum are radio waves, which have wavelengths billions of times longer than those of visible light. On the other end of the spectrum are gamma rays
in a well-structured sales department, inside and outside salespeople often:
In a well-structured sales department, both inside and outside salespeople often work collaboratively to achieve sales goals.
A well-structured sales department typically includes both inside salespeople and outside salespeople who play complementary roles in achieving the organization's sales objectives. Inside salespeople primarily handle sales activities remotely, such as making phone calls, sending emails, and conducting virtual meetings with potential clients. They often focus on lead generation, qualifying prospects, and nurturing customer relationships.
On the other hand, outside salespeople are typically responsible for meeting clients face-to-face, conducting in-person sales presentations, and building strong relationships with key accounts. They may travel to client locations, attend industry events, and engage in networking activities to expand the customer base and close deals.
While the specific responsibilities may vary based on the company's structure and industry, inside and outside salespeople often collaborate closely to maximize sales effectiveness. Inside salespeople can support outside salespeople by providing them with qualified leads, conducting research on prospects, and assisting in the preparation of sales materials.
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why it is necessary to water the plant for experiment
Answer:
To activate the process of germination.
Explanation:
HELPP PLSSS, I WILL APPRECIATE EVERY SINGLE ANSWER
Write a reflection outlining what this tells you about Canada’s population density. What other information does this tell you
Answer:
With the findings of the 2016 Census count on population and dwellings, Statistics Canada gives Canadians a first look at the most recent national statistical snapshot.
The census counts 35,151,728 persons who said they lived in Canada on May 10, 2016, and displays population growth patterns across the country.
The organization will provide the complete spectrum of census data during the following year, as Canadians commemorate 150 years since Confederation, in order to portray a truthful picture of Canadians' lives and communities.
In 1871, the first census following Confederation recorded 3.5 million people in Canada, while the population figure in 2016 was ten times higher. When Canadians celebrated the 100th anniversary of Confederation in 1967, that number had risen to 20.0 million people (1966 Census).
Canadians have been making their way west for many years. The four founding provinces of Ontario, Quebec, New Brunswick, and Nova Scotia housed the majority of Canadians in 1871, whereas Western Canada was lightly populated. Manitoba, Saskatchewan, Alberta, and British Columbia accounted for over a third of the population in 2016.:
The internal systems of organisms and how materials circulate within organisms. Question 4 options: organ tissue Living System homeostasis
Answer:
Living System
Explanation:
Living system can be defined as the internal systems of organisms and how materials circulate within organisms.
Generally, these living systems are self-organized life forms and are known to be very much interactive with their surroundings or environment. Also, living systems are dependent on the flow of information, matter and energy at various levels.
Some examples of living systems in organisms are respiratory system, nervous system, digestive system, and circulatory system.
Additionally, living systems comprises of the following components; cells, organs, muscle, tissues, blood, etc.
Answer:
Living system is correct!
Explanation:
I took the test!
A plant body, such as a redwood tree, is a very large mass of carbon compounds—what is the primary source of the carbon you find in the wood?
The primary source of the carbon found in wood comes from the process of photosynthesis.
During photosynthesis, plants use energy from the sun to convert carbon dioxide gas from the atmosphere into organic molecules, such as glucose, which can be used as building blocks for the plant's structure.
Carbon dioxide is a crucial raw material in this process and is absorbed from the air through tiny pores on the surface of leaves called stomata.
Once inside the plant, the carbon is used to build various structures, including the wood that makes up the bulk of the tree trunk.
Over time, as the tree grows, the wood accumulates more and more carbon from the atmosphere through photosynthesis.
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1. Select a professional athlete with a current or recent injury (within
last 6 months) who required/requires taping and/or wrapping to
return to play/train.
For my kinesiology class, I need to find a professional athlete who experiences/experienced a recent injury within the last 6 months, and as a result requires the use of taping and or wrapping to return to play/train.
One example of a professional athlete who experienced a recent injury and required taping and wrapping to return to play/train is Anthony Davis.
What is meant by professional athlete?Professional athletes are the people who have natural talent, stamina and competitive drive.
One example of professional athlete who experienced recent injury and required taping and wrapping to return to play/train is Anthony Davis, a basketball player for the Los Angeles Lakers.
In February 2021, Davis suffered a calf strain and aggravation of Achilles tendon injury, which caused him to miss several games. When he returned to play, he was seen wearing kinesiology tape on his lower leg to provide support and stability to injured area. The tape helps to reduce pain, swelling and inflammation and also improving joint function and muscle activation. By using kinesiology tape, Davis was able to continue playing while recovering from his injury.
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Help I’m having trouble and this is due Tomorrow
How are P and S waves categorized?
Help Me Please
Explanation:
number 3 p waves are longitudinal waves and s waves are transverse waves
Fetal alcohol syndrome is the leading cause of in the Western world. OA. PIntellectual impairment OB. Infertility OC. Multiple births OD. Miscarriages QUESTION 10 One reason that dieting may not work is OA. a high BMR. OB. an insensitive BMR. OC. a low BMR. OD. None of the above.
Fetal alcohol syndrome is the leading cause of intellectual impairment in the Western world. Hence option A is correct.
Fetal alcohol syndrome is the leading cause of intellectual impairment in the Western world. This is the accurate statement related to the given question. It is a condition in which a baby is born with mental and physical defects due to the mother's alcohol consumption during pregnancy.
Let's look at the reason why dieting may not work: Dieting may not work due to a low BMR. The Basal Metabolic Rate (BMR) is the number of calories the body requires at rest to perform its basic functions such as breathing, circulation, and cell production. As a result, an individual with a low BMR has a slower metabolic rate, making it more difficult to burn calories and lose weight. Therefore, option C is the correct answer: a low BMR.
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.
What is one reason why plants can grow in the tundra?
the ability to grow tall
a thin layer of active soil
a thick layer of permafrost
a ten-month long summer
Answer:
im not sure but i think it is (a thick layer of permafrost ) sorry if im wrong
Explanation:
Answer:
a thin layer of active soil
Explanation:
The tundra’s ground has a thin layer of active soil that thaws during summer. Because of this, plants can grow.
hintation DAAL exhalation www what volume of air was breathend out during normal exhalation
Answer:
Expiratory reserve volume
Table 39.2. 1: Lung Volumes and Capacities (Avg Adult Male)
Volume/Capacity Definition Volume (liters)
Tidal volume (TV) Amount of air inhaled during a normal breath 0.5
Expiratory reserve volume (ERV) Amount of air that can be exhaled after a normal exhalation 1.2
Which of the following correctly describes the relationship between an enzyme and its function? A. adenylyl cyclase: conversion of CAMP to AMP
B. phosphatase: removal of a phosphate group
C. glycogen phosphorylase: synthesis of glycogen
D. kinase: addition of a tyrosine
The correct description of the relationship between an enzyme and its function is option B, phosphatase: removal of a phosphate group.
Enzymes are biological catalysts that facilitate chemical reactions in living organisms. Each enzyme has a specific function based on its structure and the reaction it catalyzes. Option B correctly describes the relationship between the enzyme and its function. A phosphatase is an enzyme that removes a phosphate group from a molecule. Phosphatases play a crucial role in cellular signaling and metabolic pathways by regulating the addition and removal of phosphate groups. The removal of a phosphate group by a phosphatase enzyme can have significant effects on the activity and function of the target molecule, such as protein deactivation or modulation of enzyme activity. In contrast, options A, C, and D do not accurately represent the relationship between the enzyme and its function. Option A describes adenylyl cyclase as converting CAMP to AMP, which is incorrect. Option C suggests glycogen phosphorylase is involved in glycogen synthesis, while it is actually responsible for glycogen breakdown. Option D associates kinase with the addition of a tyrosine, whereas kinases are generally involved in the transfer of phosphate groups, not specific to tyrosine.
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Help me with this question
Answer:
im sorry im not sure but i think its C
Explanation:
This questions has two parts
35 points
Part A
Answer: (A) Candida Albicans and Saccharomyces Cerevisiae
Explanation: They have the smallest difference in Cytochrome C
Part B
Answer: (B) The two species have high molecular homology
Explanation: Molecular homology means resemblances between species on the molecular level. Since the two species from the answer in Part A have the smallest difference in Cytochrome C it means they have high molecular similarities; this is due to evolving from the same common ancestor.
(A) is not the right answer because the fungi in the table might all look similar but have different or similar genetic blueprints.(C) is not the right answer because fungi can reproduce sexually or asexually, so reproduction cannot help with determining relatedness.(D) is not the right answer because if the two species from the answer in Part A are closely related because they are both fungi, the answer for Part A should be all of the options.What information would one use to determine the type of economic system that a country has?
The information needed would be the breakdown on who owns the businesses in the country and how much control the government has upon business regulation, taxes, etc
What is economic system ?The government plans and distributes available services, resources, and goods across the nation using an economic system as a tool. Economic systems combine wealth, labour, physical resources, and businesspeople to manage the components of production.
Countries and governments transfer resources and trade products and services through economic systems. The five production factors—labour, capital, entrepreneurs, physical resources, and information resources—are managed by them.Learn more about Economic system here:
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Erwin Chargaff's research determined the percentage of the nitrogen bases within a strand of DNA. His work determined thatthe concentration of adenine is twice the concentration of thymine and the concentration of cytosine is twice the concentration of guanine.the percent of adenine is equal to the percent of guanine and the percent of cytosine is equal to the percent of thymine.the percent of adenine is equal to the percent of thymine and the percent of cytosine is equal to the percent of guanine.the concentrations of adenine, thymine, guanine, and cytosine are all equal.
Erwin Chargaff's research determined the composition of the nitrogen bases within a strand of DNA. His work determined that DNA composition varies, but the amount of adenine is always the same as thymine and the amount of cytosine is always the same as guanine. Chargaff also found that the composition of DNA varied from one species to another.
We can conclude that the correct answer is:
Answer:the percent of adenine is equal to the percent of thymine and the percent of cytosine is equal to the percent of guanine.In 1970, Frye and Edidin published research describing the mobility of plasma membrane proteins. They fused mouse and human cells together, creating a hybrid cell, and then examined the localization of mouse and human proteins over time. Initially mouse and human proteins were each restricted to one-half of the heterokaryon, but over time the mouse and human proteins mixed, with each being present over the entire cell surface. What technique did Frye and Edidin likely use to examine the mouse and human proteins
Answer:
The answer is "fluorescent microscopy".
Explanation:
A microscope featuring fluorescence is just the same as a conventional light microscope with additional features. Conventional microscopy employs visible light (400-700 nanometers) to illuminate and generate an enlarged image data. Scientists use this highly sensitive, precise, dependable, extensively to see the location of chemicals in tissues and macrophages in organs.
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which event is part of the exposition in "Cinderella"?
The slipper fits Cinderella’s foot.
A fairy godmother appears to Cinderella.
The prince and Cinderella get married.
An invitation to the prince’s ball arrives.
Answer:
An invitation to the prince’s ball arrives.
Explanation:
an exposition is in the beginning of the story, leading to the climax. the invitation leads to cinderella meeting the prince.
What is Motor Nervous System?
The motor nervous system is a system present in the brain to help animals to speak, move and breathe.
Motor neurons are cells in the brain and spinal cord that enable locomotion, speech, swallowing and breathing by sending commands from the brain to the muscles that perform these functions. Nerve fibers are the longest in the body, with single axons extending from the base of the spinal cord to the toes.
For motor functions, there are the oculomotor nerve, trochlear nerve, trigeminal mandibular nerve (V3), abducens nerve, facial nerve, glossopharyngeal nerve, vagus nerve, spinal nerve accessory muscle and N. hypoglossus muscle. These are the working of the motor nervous system.
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Which category of macromolecules provides the energy used directly in cells? (1 point)
A. lipids
B. proteins
C. carbohydrates
D. nucleic acids
_______________________________________________________
How is energy stored in ATP?(1 point)
A. ADP loses its extra energy to ATP with the help of glucose.
B. ADP is given a third phosphate group, which stores energy in the bond.
C. ADP loses one phosphate group, leaving it with more energy.
D. ADP is given energy from glucose until it has enough energy to become ATP.
_______________________________________________________
Distinguish between the lytic and lysogenic cycles of viruses.(1 point)
A. The lytic cycle involves the merging together of the viral and host genomes.
B. The lysogenic cycle involves newly replicated virus bursting from the cell.
C. The viral genome is only injected into the cell during the lytic cycle.
D. The viral genome incorporates into the host genome during the lysogenic cycle.
1. Carbohydrates category of macromolecules provides the energy used directly in cells.
2. ADP is given a third phosphate group, which stores energy in the bond is energy stored in ATP.
3. The viral genome integrates into the host genome during the lysogenic cycle, which is the primary distinction between the lytic and lysogenic cycles (option - D) is correct answer.
How do the viral lytic and lysogenic cycles differ from one another?Viral reproduction happens during the lytic cycle, when a host cell is used to create new viruses, which then burst from the cell. The viral genome is incorporated into the host cell genome during the lysogenic cycle, which causes internal infection of the host cell.
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Which of the following species of fish have cartilaginous skeletons?
11. Which of these cells is responsible for cell-mediated immunity?
A. B lymphocyte
B. plasma cell
C. T lymphocyte
D. phagocyte
12. Which of the following is true of antibodies?
A. They are made by B lymphocytes.
B. They are made by Helper T lymphocytes.
C. They are made by Killer T lymphocytes.
D. They are made by macrophages.
13. Which cells produce chemicals that cause the other parts of the immune system to function?
A. B lymphocytes
B. Helper T lymphocytes
C. Killer T lymphocytes
D. plasma cells
14. Which of the following remain after recovering from an infection and provide immunity?
A. memory cells
B. phagocytes
C. macrophages
D. plasma cells
15. Which of the following immune system cells are the hosts for HIV?
A. B lymphocytes
B. Helper T lymphocytes
C. Killer T lymphocytes
D. plasma cells
16. Which of these is an example of natural active immunity?
A. immunity after receiving a vaccination
B. immunity after recovering from a pathogen infection
C. a baby's immunity resulting from antibodies from its mother
D. None of these choices is correct.
17. Which of the following best explains how vaccinations result in ACTIVE immunity?
A. The vaccination causes a primary immune response and memory cells are retained for life.
B. The vaccination contains antibodies.
C. The vaccination contains lymphocytes from horses.
D. None of these choices is correct.
18. Which of the following practices contributes to bacteria that have resistance to antibiotics?
A. Prescribing antibiotics for diseases that are not caused by bacteria.
B. Self prescribing of antibiotics by people whenever they are ill.
C. Patients stop taking prescribed antibiotics when they begin to feel better instead of finishing the prescription.
D. All of these choices are correct.
19. Which of the following can result in an endemic disease becoming an epidemic?
A. The health of the host population is reduced by overcrowding or stress.
B. There is a drastic increase in the population of the vector of the pathogen.
C. The pathogen mutates to a more dangerous form.
D. All of these choices are correct.
20. What is the name for a disease outbreak that spans several continents or the entire world?
A. an endemic
B. an epidemic
C. a pandemic
D. All of these choices are correct.
11. T lymphocyte
12. B lymphocyte
13. T helper lymphocyte
14. memory cells
15. helper t lymphocyte
16. B
17. D
18. C
19. D (not sure)
20. C