Answer:
Different sequence of amino acid and sequence of DNA.
Explanation:
All proteins are made of same amino acids but differ in their function because of different sequence of amino acids. The presence of different sequence is dictated by the nucleotide sequence of their genes. This different sequence of amino acid and sequence of DNA are the factors that are responsible for the different function of different proteins so we can conclude that sequence of amino acid and sequence of DNA are responsible for difference in function of proteins.
Duchenne muscular dystrophy (DMD) is a recessive, sex-linked disorder carried on the X chromosome. If a woman who is a carrier of DMD and a man without the disorder have children, which outcome is possible?
a. All of their sons and half of their daughters could have DMD.
b. Half of their sons and half of their daughters could have DMD.
c.Half of their sons and none of their daughters could have DMD.
d. None of their sons and half of their daughters could have DMD.
Answer:
C. Half of their sons and none of their daughters could have DMD.
Explanation:
DMD is a recessive disorder carried on the X chromosome and it is sex-linked. This means that the gene for DMD is located on the X chromosome and it affects mostly males.
If a woman is a carrier of DMD, it means that she has one copy of the mutated gene and one normal copy, and she does not show any symptoms of the disorder.
If a man without the disorder has children with this carrier woman, half of their sons will inherit the mutated X chromosome from the mother. Therefore, they will have the disorder and half of their sons could have DMD.
Since, Females have two X chromosomes, and therefore, if a daughter inherits the mutated X chromosome from the mother, the second X chromosome will be normal which will help in compensating the effects of the mutant one, hence they will be carrier of the disorder but will not show any symptoms. So none of their daughters could have DMD.
So, the outcome is: C. Half of their sons and none of their daughters could have DMD.
Answer:D
Explanation:
I think it is D because only the mother had it and not the father. I don't think the father could get DMD through sex either. So I think that none of their sons and half the daughters could have DMD because they inherited it from the mother.
3.
What methods are you using to test this hypothesis?
Outline the steps of the procedure in full sentences. Natural selection
There are two methods for finding the hypothesis Null hypothesis and the p-Value method.
What is hypothesis?A hypothesis (plural: hypotheses), in a scientific context, is a testable statement about the relationship between two or more variables or a proposed explanation for some observed phenomenon. In a scientific experiment or study, the hypothesis is a brief summation of the researcher's prediction of the study's findings, which may be supported or not by the outcome. Hypothesis testing is the core of the scientific method.The researcher's prediction is usually referred to as the alternative hypothesis, and any other outcome as the null hypothesis -- basically, the opposite outcome to what is predicted. (However, the terms are reversed if the researchers are predicting no difference or change, hypothesizing, for example, that the incidence of one variable will not increase or decrease in tandem with the other.) The null hypothesis satisfies the requirement for falsifiability: the capacity for a proposition to be proven false, which some schools of thought consider essential to the scientific method.To learn more about null hypothesis refer to:
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Which of the following functions occurs in the part of the digestive system indicated by the arrow? dehydration and compaction of indigestible materials add breakdown of swallowed foods O secretion of bile and storage of nutrients O secretion of buffers and digestive enzymes
The correct option (a) Dehydration and compaction of indigestible materials add breakdown of swallowed foods.
The gastrointestinal tract, as well as the digestive organs, comprise the human digestive system (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion is the process of breaking down food into smaller and smaller components so that it may be absorbed and digested by the body. The digesting process is divided into three stages: cephalic, stomach, and intestine.
The initial step of digestion, known as the cephalic phase, begins with secretions from stomach glands in reaction to the sight and smell of food. This stage comprises the mechanical breakdown of food by chewing as well as the chemical breakdown by digestive enzymes in the mouth.
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Full Question: Which of the following functions occurs in the part of the digestive system indicated by the arrow?
dehydration and compaction of indigestible materials
Acid breakdown of swallowed foods
secretion of bile and storage of nutrients
secretion of buffers and digestive enzymes
The fact that cats and humans are both classified as mammals provides us with which minimum of information?
O Both have mammary glands
O Humans evolved from cats
O Cats have descended from other cats
O The ancestors of humans was a cat like creature
O Cats and Humans are unrelated
Please Help it's for midterm review notes
In general, hydrolysis is calculated as carbohydrates Polymer + Water Monomer + Monomer. Two amino acids through a condensation reaction form a peptide. Hydrophobic compounds can't be dissolved in water or combined with it.
What are carbohydrates and amino acids?A covalent link is formed between the carboxyl carbon of one amino acid and the amine nitrogen of the second amino acid when two amino acids mix in a condensation process.
Hydrolysis is the term for the digestive process. These lengthy sugar chains, or polymers, are disassembled into their constituent monomers during hydrolysis.
Therefore, a compound known as a dipeptide is created when amino acids come together.
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Which of these are examples of negative tropism? (Select all that apply.) Plant roots growing toward a water source due to hydrotropism. Plant leaves and stems growing away from light due to phototropism. Plant leaves and stems growing toward light due to phototropism. Plant roots growing down into the dirt due to gravitropism. Plant roots growing toward the surface of the soil due to gravitropism. Plant roots growing away from a water source due to hydrotropism
Answer:
Plant leaves and stems growing away from light due to phototropism.
Plant roots growing away from a water source due to hydrotropism
Explanation:
When we are talking about tropism, it is refer to as the response or directional growth or response of plants to stimulus.
We have positive and negative tropism.
The negative tropism occur when plants grow away from the stimulus while positive tropism is when plants grows towards the response of stimulus.
Therefore from the question, negative tropism are
Plant roots growing away from a water source due to hydrotropism
Plant leaves and stems growing away from light due to phototropism.
Answer:
Plant leaves and stems growing away from light due to phototropism.
Plant roots growing away from a water source due to hydrotropism
Explanation:
how can the silent march best be described the silent protest
Answer:
There is no singing or chanting, just the muffled thump of drums.
Explanation:
What is the formula for total risk?
The total risk can be calculated by the sum of market risk with diversifiable risk. By managing a portfolio's risk, an investor can increase profits from a portfolio over a certain length of time and reduce the negative consequences.
Market risk plus diversifiable risk equals total risk. By managing a portfolio's risk, an investor can increase profits from a portfolio over a certain length of time and reduce the negative consequences of unforeseeable future occurrences on the business or investment. Market risk and diversifiable risk are added to determine total risk. When examining the potential risks connected with a securities portfolio, systematic risk, sometimes referred to as market risk, can be distinguished from unsystematic risk. Systematic risk is the intrinsic risk of the portfolio. By evaluating the standard deviation of the volatility of the portfolio's actual returns over time, the risk associated with the portfolio is identified. The relationship between return volatility and portfolio risk is linear. By computing the Standard Deviation of this variability, this risk can be quantified.
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Which statement best explains the connection between the sequence and subcomponents of a protein and its properties
"The specific shape of a protein is determined by its original sequence of amino acids, which ensures proper function upon renaturation."
This statement correctly describes the relationship between the primary structure of a protein, its three-dimensional shape, and its function. The specific sequence of amino acids in a protein determines its conformation or 3D structure. This structure, in turn, is responsible for the protein's ability to perform its specific functions, such as catalyzing reactions, transporting molecules across membranes, or binding to other molecules. The specific shape of a protein is crucial for its function and any change in its primary structure can lead to a change in its conformation and subsequently in its function. Renaturation is a process in which a denatured protein (meaning it has lost its 3D structure) is returned to its native conformation by the application of appropriate conditions, such as pH, temperature, and salt concentration. If the primary structure of the protein is correct, it will be able to return to its native conformation and function properly after renaturation.
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[HELP PLS]
Cloning is the replication of all or part of an organism. Although cloning is still a developing technology, many future uses have been proposed. Which phrase describes a potential medical application of cloning?
A) increasing genetic diversity in a population.
e
B) Enhancing the traits of organism already possesses.
C) Growing new organs for transplant patients.
D) Decreasing life expectancy,
the answer is C because all other answers do not suit the description of cloning
Answer:
b sounds a reasonable answers
What is the most important significance of meiosis?
Gametes, or sex cells, which are needed for sexual reproduction are created during meiosis. It deactivates the sporophytic information while activating the genetic information for the production of sex cells.
Meiosis is, meaning "lessening," as it is a division through reduction) In sexually reproducing animals, is a specific form of cell division of germ cells that results in the gametes, such as sperm or egg cells.
It comprises two rounds of division, producing four cells with just one copy of each chromosome as a final product (haploid). Furthermore, genetic material from the paternal and maternal copies of each chromosome is crossed over prior to division, resulting in novel combinations of coding on each chromosome.
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Why do some individuals lack supply of clean drinking water?
The reasons for the lack supply of clean drinking water is: water pollution, increased demand for water, climate changes, mismanagement of water resources, as well as poverty.
Water pollution is defined as the contamination of water with harmful substances and toxic chemicals that make it unfit for use. The presence of harmful microorganisms also makes the water polluted. The main reason for the contamination of water is the human activities.
Climate change refers to the change in the temperature and weather pattern of the environment from the normal. These changes are long-term. These changes can be normal, however, currently the human activities are the main reason for climate changes.
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How much of the cell life is spent in interphase
Answer:
Around 90%
Explanation:
The fact that cats and humans are both classified as mammals provides us with which minimum of information?
O Both have mammary glands
O Humans evolved from cats
O Cats have descended from other cats
O The ancestors of humans was a cat like creature
O Cats and Humans are unrelated
Answer:
a. option :both have mammary glands is the correct answer right no
Part J: Relate Human Activity and Biodiversity
Do you think building eco-friendly homes that reduce greenhouse gas emissions could have positive effects on biodiversity? Explain your reasoning.
Yes, eco-friendly homes can reduce greenhouse gas emissions and have positive effects on biodiversity.
How do eco-friendly homes affect biodiversity?Biodiversity refers to the variety of living organisms, that are found in any ecosystem. During the development of the human lifestyle, there is a major loss of biodiversity is observed.
Nowadays, biodiversity is lost rapidly as a result of civilization, and different species of living organisms are becoming extinct because of pollution, habitat loss, invasive species, overuse, etc.
Therefore, eco-friendly homes that reduce greenhouse gas, by using natural things could have positive effects on biodiversity.
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2.
A parent cell contains 2n chromosomes. How many chromosomes will the daughter
cell contain?
The two daughter cells will be exact copies of the original cell because daughter cells produced during mitosis have the same genetic makeup as their parent cells. Therefore, option (B) is correct.
What is Mitosis?Mitosis is a type of cell division in which the parent cell and its genetic material are divided into two identical daughter cells with the same number of chromosomes.
A cell divides into two identical daughter cells after duplicating all of its components, including its chromosomes. Due to the importance of this procedure, specific genes carefully regulate each phase of mitosis. Health issues like cancer may develop when mitosis is improperly controlled.
Therefore, option (B) is correct because daughter cells are a result of mitosis.
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What is the relationship between mass and solar energy in plants?
Answer:
Plants increase in mass as they convert solar energy to chemical energy
What are some examples of social issues
Answer:
In the USA especially the major social issues are
Wage inequality.
Healthcare.
Housing
Voting rights
Reproductive rights
Book banning in schools
LGBTQ+ rights.
Explanation: there are a lot more those are just what I believe are the most popular social issues currently
A boxer usually practices with a dead weight. He increases his strength and trains himself using the dead weight to fight in the real matches. The fighting practice by the boxer is like working of vaccine. Why?
Which of the following claims about the origin of the euglenid chloroplast is best supported by the three-membrane structure of the envelope?
A
It originated from the spontaneous assembly of organic molecules into a lipid bilayer inside a free-living prokaryote.
B
It originated from the fusion of the plasma membranes of two different free-living photosynthetic prokaryotes.
C
It originated from the incorporation of a photosynthetic prokaryote into a eukaryotic cell by a single endosymbiotic event.
D
It originated from the incorporation of a photosynthetic prokaryote into a eukaryotic cell by two endosymbiotic events.
The claims about the origin of the euglenid chloroplast are best supported by the three-membrane structure of the envelope: it originated from the spontaneous assembly of organic molecules into a lipid bilayer inside a free-living prokaryote.
Thus, the correct answer is A.
Euglenids (Excаvаtа, Discobа, Euglenozoа, Euglenidа) is а group of free-living, single-celled flаgellаtes living in the аquаtic environments. The uniting аnd unique morphologicаl feаture of euglenids is the presence of а cell covering cаlled the pellicle.
The chloroplаsts of Euglenа hаve аrisen from the progressive reduction of endosymbiotic green аlgаe. The theory is supported by the presence of а third membrаne аround the chloroplаsts of Euglenа which is not endoplаsmic reticulum (ER) in origin аnd mаy be derived from the plаsmаlemmа of the originаl symbiont. In аddition, Euglenа is the only orgаnism in which chloroplаst loss cаn be induced experimentаlly. Dinoflаgellаte chloroplаsts аre аlso surrounded by three membrаnes, аnd it is proposed thаt they too evolved from symbiotic eucаryotic аlgаe.
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How do musical embellishments help enhance a piece of music?
Musical embellishments are decorative or ornamental elements that are added to a musical piece to enhance its emotional expression or to make it more interesting or appealing. There are many different types of musical embellishments, including trills, turns, mordents, and vibrato, and they can be used to add variety and interest to a piece of music.
Embellishments can help to bring out the melody or theme of a piece of music, adding emphasis and expression to certain notes or phrases. They can also help to add a sense of movement or flow to the music, creating a sense of momentum or momentum. Additionally, embellishments can help to create a sense of drama or tension, particularly when used in a strategic or expressive way. Overall, embellishments can help to enrich the emotional content of a piece of music and make it more engaging and enjoyable for the listener.
50 pts When people run quickly, they can sweat profusely. Their muscles undergo movement, and the loss of energy takes place. Based on this description, in which two ways is energy conserved when people run?
Heat energy is released from the body to the surroundings.
Heat energy is taken from the surroundings to the body.
Chemical energy is converted to mechanical energy that’s used for muscle movements.
Radiant energy is converted to mechanical energy that’s used for muscle movements.
Heat energy is converted to mechanical energy that’s used for muscle movements.
Answer:
1. Heat energy is released from the body to the surroundings.
3. Chemical energy is converted to mechanical energy that’s used for muscle movements.
Explanation:
When people run, heat is produced within their bodies and sweating makes the heat energy to be released from the body to the surroundings.
What causes Sweating?Sweating in the body is caused by excessive heat in the body. This can be due to physical rigorous activities such as running.
When the setpoint temperature of the body is exceeded, homeostasis finds a way to return it back to normal.
Thus, excessive heat leads to sweating as a form of homeostatic response. This makes the body lose heat to the surrounding through evaporation and cooling.
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In 1973, Stanley Cohen and Herbert Boyer inserted a gene from an African clawed frog into a bacterium. The bacterium then began producing a protein directed by the gene from the frog.
Which is considered a transgenic organism?
Since the bacterium expresses the foreign gene from the African clawed frog, therefore, the bacterium is considered as the transgenic organism.
Gene is the most basic unit of heredity. It is the segment of DNA that encodes for a particular protein. There are various genes present in a single DNA strand. The genes are further composed of alternative forms called the alleles.
Transgenic refers to the phenomenon where DNA segment from an unrelated organism is artificially introduced and expressed in the host's genetic machinery. Such an organism is called the transgenic organism. And the artificially introduced gene is called transgene.
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A parent cell has 28 chromosomes and completes meiosis. How many chromosomes result in each cell produced
If a parent cell has 28 chromosomes then the number of chromosomes in the daughter cell produced after the cell undergoes meiosis is 14 chromosomes.
Meiosis is a cell division process for gamete production. It helps in the sexual reproduction of eukaryotes. Gametes produced from two parents will unite to form the zygote, which thus contains a combination of unique sets of chromosomes inherited from two parents.
Hence each daughter cell will have half the no of chromosomes as that of their parents. So the number of chromosomes in each of the daughter cells is 28/2 = 14 chromosomes. In meiosis 1 the number of chromosomes becomes half while in meiosis 2 , it is similar to mitosis, so the number of chromosomes remains the same.
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Why are rapidly growing populations an issue?
A . They utilize resources faster then they can replenish
B. They overwhelm water purification plants.
C. They spread out over vast areas of land turning farms and habitat into housing.
D . All of the above .
Which is not part of a community infrastructure?
A. Public water supply
B. Arable land
C. Power plants
D. Sewer lines
In this century , the world population is likely to..
A. Stop growing
B. Begin to slowly decline
C. Continue to slowly grow
D. Continue to rapidly grow .
Which is not a strategy to reduce population size?
A. Public advertising
B. Economic incentives
C. Legal punishments
D. Limiting education for women
Foxes can be red or silver, have different shaped teeth and hunt in different ways. These differences are examples of Group of answer choices species traits variations selections
Foxes can be red or silver, have different shaped teeth and hunt in different ways.These differences are examples of variations.
Any difference in cells, individuals, or populations of organisms of any species that may be attributed to genetic differences (genotypic variation) or to the influence of environmental conditions on the manifestation of genetic potentials is referred to as variation in biology (phenotypic variation).
Genetic variation refers to individual differences that are passed down from parents, such as eye, hair, and skin colour.
Environmental variation, which includes scars and tattoos, refers to individual variances that are not inherited but rather result from the environment in which the organism lives.
Genetic and environmental variance refers to individual variability in traits like height and weight that are influenced by both genetic and environmental variables.
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What are haploid cells used for?
a.cellular
b.cellular
c.sexual reproduction
d.asexual reproduction
Answer:
C. Sexual reproduction
Explanation:
i am learning about it right now and this was the correct choice
Translate the following segment: TAC-TGA-GGG-CTG-ATT
Please help me
Answer:
Tyr-stop codon-Gly-Leu-Ile (5'3' Frame)
Explanation:
Transcription is the process by which a specific fragment of DNA (i.e., a gene) is used as template to synthesize an RNA molecule, typically a messenger RNA (mRNA), which is then used as template to synthesize a protein in the ribosomes by a process called translation. During translation, each triplet of nucleotides (i.e., each codon) in the mRNA is read in order from the 5' end to the 3' end to add an amino acid to the nascent polypeptide chain. This 'genetic code' is not overlapping because each codon specifies one of 20 amino acid total possible and 3 stop codons (UAA, UAG, UGA). In this case, the second codon "TGA" in DNA or "UGA" in RNA (Uracil always replaces Adenine during transcription) is a stop codon that indicates the end of mRNA transcription.
How much power is needed to hammer in a nail when you apply 300 N of force and the nail moves a distance of 5cm? (The hammer is nailed in 34 seconds)
Answer: According To my Knowledge if u apply 500 N Force And atleast 2cm Or around 38 Seconds
Explanation:
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Describe the desalination process and how it can be used to provide drinking water for the Middle East. Use examples to support your ideas.
Answer:
By the removal of salts.
Explanation:
The desalination process is used to remove salts from the ocean or sea water. This method can be used to provide drinking water for the people of Middle East. This method is used in the middle east because there is scarcity of water due to desert area and these countries are located near the sea so they can use the sea water for drinking purpose with the helps of desalination process. Saudi Arabia, the United Arab Emirates, Kuwait, and Bahrain are the countries which are used this method.