Someone with a chromosomal make-up of xy where the cells have a partial or complete inability to respond to androgens describes an intersex condition known as 5-alpha reductase deficiency (5ARD).
5α-reductase deficiency is a condition that affects prenatal and adolescent. A person with this condition is genetically male, has his one X and one Y chromosome in each cell, and has male testes.
DHT is the most potent androgen hormone and is considered a pure androgen because it cannot be converted to estrogen. It is formed primarily in the peripheral tissues of the body, where it exerts its effects. Testosterone is converted to DHT by the action of the 5-α-reductase enzyme on these target tissues.
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Given a polynucleotide sequence such as GAATTC, can you tell which is the 5' end? If not, what further information do you need to identify the ends?Chargaff's rule about base ratios states that in DNA, the percentages of A and T are essentially the same, as are those of G and C.You can't tell which end is the 5' end. You need to know which end has a phosphate group on the 5' carbon or which has a -OH group on the 3' carbon.In the cell cycle, DNA synthesis occurs during the S phase, between the G1 and G2 phases of interphase. DNA replication is therefore complete before the mitotic phase begins.
To determine the 5' end of a polynucleotide sequence, information about the presence of a phosphate group on the 5' carbon or -OH group on the 3' carbon is necessary. DNA replication takes place in the S phase of interphase, between G1 and G2 phases, and is finished before the mitotic phase.
The 5' and 3' ends of a polynucleotide sequence refer to the positions of the phosphate and hydroxyl groups on the sugar molecules of the nucleotides. Without additional information, it is not possible to determine the 5' end of a polynucleotide sequence such as GAATTC.
To identify the 5' end, one would need to know which end of the sequence has a phosphate group on the 5' carbon or which end has a -OH group on the 3' carbon. In the cell cycle, DNA replication occurs during the S phase, which takes place between the G1 and G2 phases of interphase. DNA replication is complete before the mitotic phase begins.
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What is the common function of leaves?
1.store water
2.make energy
3,transport water
4.transport energy
The common function of leaves is 2. to make energy. Leaves are the primary site of photosynthesis in plants, a process by which sunlight is converted into chemical energy.
Within the leaf cells, specialized structures called chloroplasts contain chlorophyll, a pigment that captures sunlight. Through the process of photosynthesis, leaves use this captured energy to convert carbon dioxide and water into glucose and oxygen. Glucose serves as a vital energy source for the plant, enabling various metabolic processes and growth. Additionally, leaves also play a role in respiration, releasing stored energy when needed. While leaves do participate in the transport of water and nutrients through their vascular system, their fundamental function is to produce energy through photosynthesis.
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which level of organization is characterized by a group of cells that work together to perform a common function?organtissueorgan systemorganism
The level of organization that is characterized by a group of cells that work together to perform a common function is tissue.
Tissues are groups of cells that are similar in structure and function. There are four main types of tissues in the human body: epithelial, connective, muscle, and nervous. Each of these tissues has a specific function that helps to maintain the overall health and function of the body.
For example, epithelial tissues form the protective covering of the body, while connective tissues provide support and structure. Muscle tissues are responsible for movement, and nervous tissues are involved in communication and control.
In conclusion, the correct answer is tissue.
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If a cell with 42 chromosomes undergoes mitosis, how many chromosomes will each daughter cell have?
Answer:
42
Explanation:
If a cell has 42 pairs of chromosomes (n = 42), it has 84 chromosomes (2n = 84). At the end of mitosis, the two daughter cells will be exact copies of the original cell. Each daughter cell will have 84 chromosomes. At the end of meiosis II, each cell (i.e., gamete) would have half the original number of chromosomes, that is, 42 chromosomes.
A simple example is↓
The parent cell of 10 chromosomes will end up becoming two daughter cells that each have a copy of those 10 chromosomes.
The important fact about mitosis is that the daughter cells are identical to the parent cell. The daughter cells will have the same number of chromosomes as the parent cell.
If a cell with 42 chromosomes undergoes mitosis, the equal 42 chromosomes will each daughter cell have.
What is Mitosis?
Mitosis is a process where a single cell divides into two identical daughter cells (cell division).
Before a cell divides it undergoes DNA replication. As a cell enters mitosis, double-stranded chromosomes fuse from the replicated DNA. A cell having 42 chromosomes will have 42 double-stranded chromosomes entering mitosis. Upon completion of cell division, each daughter cell will receive 42 single-stranded chromosomes, as double-stranded chromosomes are pulled apart during mitosis.
Therefore, if a cell with 42 chromosomes undergoes mitosis, the equal 42 chromosomes will each daughter cell have.
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Which one of the statements below is NOT TRUE? a. A polymorphism method binds to the correct object at run-time. b. Polymorphism is one of the OOD concepts. c. Polymorphism methods can be inherited by a subclass. d. Polymorphism methods can be differed by the return types. e. Polymorphism leads to generic implementations. Which one of the statements below is NOT TRUE? a. A subclass can inherit from multiple superclasses. b. A subclass can inherit methods that do not need. c. A method defined in a superclass can be overridden in the subclass. d. A protected member in a superclass can be directly accessed in a subclass. e. A private attribute in a superclass cannot be accessed directly in a subclass.
1. The statement that is NOT TRUE is: "Polymorphism methods can be differed by the return types", option (d) is correct.
2. The statement that is NOT TRUE is: "A subclass can inherit from multiple superclasses", option (a) is correct.
1. Polymorphism in object-oriented programming allows objects of different classes to be treated as objects of a common superclass. The methods involved in polymorphism can have the same signature but different implementations in different subclasses. However, the return types of overridden methods must be covariant, meaning they must be the same or a subtype of the return type of the superclass method, option (d) is correct.
2. In most programming languages, including Java, a subclass can inherit from only a single superclass. This is known as single inheritance. Multiple inheritance, where a class can inherit from multiple superclasses, is not supported in many languages to avoid complications like the diamond problem, where conflicts may arise when two superclasses have a common method or attribute, option (a) is correct.
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The correct question is:
1. Which one of the statements below is NOT TRUE?
a. A polymorphism method binds to the correct object at run-time.
b. Polymorphism is one of the OOD concepts.
c. Polymorphism methods can be inherited by a subclass.
d. Polymorphism methods can be differed by the return types.
e. Polymorphism leads to generic implementations.
2. Which one of the statements below is NOT TRUE?
a. A subclass can inherit from multiple superclasses.
b. A subclass can inherit methods that do not need.
c. A method defined in a superclass can be overridden in the subclass.
d. A protected member in a superclass can be directly accessed in a subclass.
e. A private attribute in a superclass cannot be accessed directly in a subclass.
lease define the following with equations, and give typical units: a) relative growth rate, b) specific leaf area, c) leaf area ratio, d) root mass fraction, e) unit leaf rate
a) Relative growth rate (RGR) measures the growth rate of an organism b) Specific leaf area (SLA) represents the leaf area per unit leaf mass
c) Leaf area ratio (LAR) measures the leaf area per unit total plant mass
d) Root mass fraction (RMF) quantifies the proportion of total plant mass that is allocated to the roots. e) Unit leaf rate (ULR) refers to the rate of photosynthesis per unit leaf area
a) Relative growth rate (RGR) = (change in size / initial size) / time. Typical units: time^-1. b) Specific leaf area (SLA) = leaf area / leaf mass. Typical units: m^2/kg. c) Leaf area ratio (LAR) = leaf area / total plant mass. Typical units: m^2/kg. d) Root mass fraction (RMF) = root mass / total plant mass. It represents the proportion of plant mass allocated to the roots and is typically expressed as a fraction or percentage. e) Unit leaf rate (ULR) = photosynthetic rate / leaf area. Typical units: μmol CO2/m^2/s.
These parameters provide insights into the growth, resource allocation, and photosynthetic efficiency of plants, contributing to our understanding of their physiological characteristics and ecological adaptations.
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Where do plants get the energy that they pass along to the primary consumers in their food chain
Answer:
Plants get is there energy from the sun, and that is energy is passed on once something has consumed it.
If someone adds thousands of small fish to a lake, how would the number of big fish change?
Answer:
The number of big fish would increase
Explanation:
The amount of food for the big fish in the lake would increase, allowing the amount of big fish to increase until another factor (such as space or disease) would stop that increase in population.
Rock sole in the Bering Sea 1/2: "Recruitment," the addition of new members to a fish population, is an important measure of the health of ocean ecosystems. Here are data on the recruitment of rock sole in the Bering Sea from 1973 to 2000: Year Recruitment (millions)
Year Recruitment (millions)
1973 173
1974 234
1975 616
1976. 344
1977 515
1978 576
1979 727
1980 1411
1981 1431
1982 1250
1983 2246
1984 1793
1985 1793
1986 2809
1987 4700
1988 1702
1989 1119
1990 2407
1991 1049
1992 505
1993 998
1994 505
1995 304
1996 425
1997 214
1998 385
1999 445
2000 676
Make a stemplot to display the distribution of yearly rock sole recruitment. Round to the nearest hundred (for example, 173 to 2 hundred, and 1702 to 17 hundred) and split the stems.
We used the stem plot because it is an effective way to display the distribution of yearly rock sole recruitment, as it groups data into stem (left) and leaf (right) digits.
Recruitment is one of the critical measures of ocean ecosystems' health. The recruitment of rock sole in the Bering Sea from 1973 to 2000 is shown below. 1973 - 173 1974 - 234 1975 - 616 1976 - 344 1977 - 515 1978 - 576 1979 - 727 1980 - 1411 1981 - 1431 1982 - 1250 1983 - 2246 1984 - 1793 1985 - 1793 1986 - 2809 1987 - 4700 1988 - 1702 1989 - 1119 1990 - 2407 1991 - 1049 1992 - 505 1993 - 998 1994 - 505 1995 - 304 1996 - 425 1997 - 214 1998 - 385 1999 - 445 2000 - 676
We have to create a stem plot for rock sole in the Bering Sea for the given data, i.e., Recruitment (millions) from 1973 to 2000. We should round the data to the nearest hundred, as instructed above to make the stemplot. The stemplot for the given data is shown below. 0| 3 4 5 5 6 7 7 8 9 1| 0 0 1 1 2 4 7 7 8 9 2| 2 3 4 5
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Help ASAP!!!!!!!!!!! 10 points
Answer:
1) C. Prophase, Metaphase, Anaphase, Telophase, Cytokinesis
2) B. B and C
3) B. More efficient.
4) D. All of the above.
Explanation:
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What is sustainable development?
Answer:
Sustainable development is an organizing principle for meeting human development goals while simultaneously sustaining the ability of natural systems to provide the natural resources and ecosystem services on which the economy and society depend on.
Explanation:
What is the relationship between infection and microorganisms?
Infection refers to the invasion and multiplication of harmful microorganisms in the body, leading to a disruption of normal bodily functions and the manifestation of disease symptoms.
Microorganisms, also known as microbes, are microscopic organisms such as bacteria, viruses, fungi, and parasites. These microorganisms can cause infections by entering the body through various routes, such as inhalation, ingestion, or through breaks in the skin. Once inside the body, they can multiply and spread, causing damage to tissues and triggering an immune response. Infections can range from mild, localized infections to severe, systemic infections depending on the type of microorganism involved and the body's immune response. Effective prevention and treatment of infections often involve strategies to control or eliminate the microorganisms, such as through the use of antimicrobial medications, vaccines, and good hygiene practices.
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The cell membrane of an animal cell was damaged, preventing the cell from performing one of its functions. Which cell function would be lost, and how would this loss affect the cell?.
Answer: The cell would no longer be able to provide the first barrier around the cell wall, causing the cell wall to expand
Explanation:
State the name of the solution used to test for reducing sugar
The solution used to test for reducing sugar is known as Benedict's solution.
Benedict's solution is a deep blue alkaline solution that contains copper ions. When reducing sugars are present in a sample, they react with Benedict's solution to produce a reddish-brown precipitate. The intensity of the color produced is directly proportional to the amount of reducing sugar present in the sample.
Benedict's solution is commonly used in laboratory settings to test for the presence of reducing sugars in food, beverages, and biological samples. The solution used to test for reducing sugar is known as Benedict's solution.
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Construct a scientific explanation for why fossils of the megalosaurus can be found in South America and Africa.
Answer:
La paleontología de dinosaurios o dinosaurología es una subdisciplina de la paleontología ... A los paleontólogos que se dedican a estos estudios se les denomina ... Buckland puso el nombre de Megalosaurus al dinosaurio propietario de aquel diente ... Aunque se puede encontrar fósiles por casualidad, los núcleos de ...
Explanation:
An astronaut is planning a trip to a newly-discovered planet according to the law of universal gravitation, the astronaut weight in the new planet will be greater than his weight on earth if:
The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.
Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.
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A root emerges from a seed because of the force of
A. water against the seed coat
B. air pushing on the seed
C. gravity on the seed
D. soil pressing on the seed
Which strategy best describes a way to address polluted air? Select three options.
Answer:
replace the type of chemicals used in industrial processes
minimize the burning of fossil fuels used at industrial plants
study the effects of mold exposure on people who suffer from asthma
Explanation:
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Changes in _____ result in the formation of metamorphic rocks.
a. Weathering
b. Sedimentation
c. BothAandB
d. Temperature and Pressure
Answer:
During metamorphism the mineral content and texture of the protolith are changed due to changes in the physical and chemical environment of the rock. Metamorphism can be caused by burial, tectonic stress, heating by magma, or alteration by fluids.
Explanation:
Answer:
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Explanation:
Photosynthesis? Multiple Choice
is not dependent on chlorophyll.
does not involve oxidation-reduction reactions.
produces water and carbon dioxide.
produces glucose and oxygen.
No answer is correct.
For photosynthesis, the correct relationship is produces glucose and oxygen.
What is photosynthesis?Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen. Chlorophyll is a green pigment found in chloroplasts that captures sunlight and uses it to drive photosynthesis.
Oxidation-reduction reactions are a type of chemical reaction that involve the transfer of electrons. Photosynthesis is a redox reaction, as it involves the transfer of electrons from water to carbon dioxide. The light-dependent reactions of photosynthesis use sunlight to split water molecules into hydrogen ions and oxygen gas. The Calvin cycle uses the energy from NADPH and ATP to convert carbon dioxide into glucose.
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→ XCO College Board AP Classroom 2020 Practice Exam 3 MCQ Savanna Sebastia 0000 0000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Question 1 Many species of corals are threatened by the increasing temperatures and decreasing pH of ocean waters. One species, Stylophora pistill has been found to thrive in water that is warmer and has a lower pH than the water that corals typically thrive in Additionally, researchers have found that the tolerance for the new water conditions is heritable. Which of the following statements best explains the changes seen in s pistillata in response to the changing water conditions? (A) The corals' adaptation is an example of natural selection because the tolerance is in response to a changing environment and has a genetic basis The corals'adaptation is an example of the founder effect because the majority of corals do not have a tolerance for warmer water 0 0 0 The corals adaptation is an example of genetic drift because the change was a chance event and not the result of selection in response to environmental change D) The cor'adaptation is an example of adaptive radiation because it has resulted in a wide range of species adapting to the new ocean conditions
The corals' adaptation is an example of natural selection because the tolerance is in response to a changing environment and has a genetic basis. correct option(a).
The ocean (also known as the sea or the world ocean) is a body of salt water that covers roughly 70.8% of the Earth's surface and contains 97% of the water on the planet. An ocean can also refer to any of the enormous bodies of water that comprise the globe ocean.
Five distinct parts of the ocean are identified by distinct names: the Pacific (the biggest), the Atlantic, the Indian, the Southern (Antarctic), and the Arctic (the smallest). Seawater covers 361,000,000 km2 (139,000,000 sq mi) of the Earth. The ocean is the principal component of Earth's hydrosphere, and therefore integral to life on Earth.
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Two sound waves are moving through a medium at the same speed. If wave x has a greater frequency than wave y, then wave x
Correct Question:
Two sound waves (wave X and wave Y) are moving through a medium at the same speed. If wave X has a greater frequency than wave Y, then wave X
A. has a lower amplitude.
B. has a shorter wavelength.
C. has a longer wavelength.
D. has a greater amplitude.
Answer:
C. has a longer wavelength.
The basic equation of frequency and speed are
velocity = frequency x wavelength
When both waves' velocities are the same then
v1 = v2
f-1 x wavelenght-1 = f-2 x wavelenght-2
Now increasing frequency of wave X will increase the wavelength of wave Y for the equations to be equal.
How is the function of cell division in single-celled organisms different from cell division in multicultural organisms?
Answer:
answer
Explanation:
the cycling of materials such as carbon, water, and other nutrients are mainly dependent upon soil-dwelling organisms. which pair of organisms shown are decomposers? responses fungi and bacteria fungi and bacteria bacteria and grass bacteria and grass fungi and mice fungi and mice mice and grass
The pair of organisms that are decomposers are fungi and bacteria.
The cycling of materials such as carbon, water, and other nutrients in an ecosystem is primarily dependent upon soil-dwelling organisms, specifically decomposers. Decomposers are organisms that break down dead organic matter and recycle the nutrients back into the soil. The two main groups of decomposers in soil are fungi and bacteria. These micro organisms play a crucial role in maintaining the balance of the ecosystem by breaking down dead plant and animal matter and returning the nutrients to the soil, making them organisms available to other living organisms. Decomposers are essential to the health of the soil and the entire ecosystem and without them, dead matter would accumulate and the cycle of life would be disrupted.
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The complete Question is:
The cycling of materials such as carbon, water, and other nutrients are mainly dependent upon soil-dwelling organisms. Which pair of organisms shown are decomposers?
Which of the following best defines a gene pool?
a. the sum of all genetic traits in a population’s individuals at a given time
b. any movement of genes from one population to another
c. any movement of organisms from one environment to another
d. the random change in the frequency of an allele in a population
The correct answer is : A) The sum of all genetic traits in a population's individuals at a given time.
Answer:
A
Explanation:
Just took the test
Which of the following is one of the great advantages of moving materials by active transport?
The process is not dependent on a concentration gradient.
Receptor sites are not necessary for the process to occur.
The process has no energy cost.
Carrier proteins are not necessary.
One of the great advantages of moving materials by active transport is that the process is not dependent on a concentration gradient. This allows cells to move substances against their concentration gradients, which is essential for maintaining specific concentrations of ions and molecules within cells.
Active transport is a cellular process that enables the movement of substances against their concentration gradient, from an area of lower concentration to an area of higher concentration. This is in contrast to passive transport, which relies on a concentration gradient. Active transport allows cells to accumulate substances in higher concentrations than their surroundings, facilitating important biological processes such as nutrient uptake and ion regulation. It requires the use of carrier proteins and energy, usually in the form of ATP, to drive the transport process. Unlike passive transport, active transport is not limited by the availability of a concentration gradient and can move substances even against a concentration gradient, making it essential for processes such as nutrient absorption in the intestines and ion pumping in nerve cells.
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pls help this is due in monday this is a lot.....
Answer:
0 to around 35 shows that as the temperature increases the rate of enzyme activity also increases until a peak enzyme activity that occurs after 40 degrees this is enzymes optimum temperature. after this temperature enzyme activity decreases as the enzyme becomes denatured.
Name at least TWO types of organisms that do photosynthesis
Answer:
Plants, algae, bacteria and even some animals photosynthesize.
Explanation:
A process essential to life, photosynthesis uses carbon dioxide, water and sunlight, and converts it into sugar, water and oxygen.
Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called.
Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called endorphins.
Endorphins- When we experience pain or stress, our bodies create molecules called endorphins. They are also released during enjoyable activities including sex, eating, massages, and exercise. Endorphins aid in pain relief, stress reduction, and overall wellbeing.
Morphine- The morphinane alkaloid known as morphine is a very strong opiate analgesic and psychotropic medication. Morphine has a direct analgesic effect on the central nervous system (CNS), which makes it a strong drug of abuse with a high potential for tolerance and physical and psychological dependency that set up quickly.
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which are the main stages of the cell cycle?
Answer:
The cell cycle is composed of interphase (G₁, S, and G₂ phases), followed by the mitotic phase (mitosis and cytokinesis), and G₀ phase.
Explanation:
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