Select three possible ways mutations can be acquired. Select the THREE answers that are correct. O Inheriting mutations from one's parents O receiving mutations through a vaccination O being exposed to substances that damage DNA O transcribing DNA incorrectly during protein synthesis O leaving mistakes uncorrected during DNA replication
Answers
The three correct responses are: exposed to chemicals that damage DNA leaving errors in DNA replication inherited mutations from one's parents
What is DNA replication?Cells copy the genome's DNA through a process called DNA replication. To ensure that each daughter cell has a complete genome, a cell must first duplicate (or replicate) its entire genome before dividing. A double-stranded DNA molecule is copied in the DNA replication process to create two identical DNA molecules. The need for replication arises from the fact that every time a cell splits, the two daughter cells must share the same genetic material, or DNA, as the parent cell. Making two identical daughter strands of DNA is the process of DNA replication. Eukaryotic cells' nuclei and prokaryotic cells' nucleoid regions are where DNA replication takes place.To learn more about DNA replication, refer to:
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Being exposed to substances that damage DNA, transcribing DNA incorrectly during protein synthesis, and leaving mistakes uncorrected during DNA replication. Inheriting mutations from one's parents and receiving mutations through vaccination are not possible ways mutations can be acquired through exposure or error. Antibodies do not play a role in the acquisition of mutations.
Three possible ways mutations can be acquired are:
1. Inheriting mutations from one's parents: This occurs when a mutated gene is passed down from one or both parents to their offspring through their reproductive cells (sperm or egg).
2. Being exposed to substances that damage DNA: Exposure to harmful substances such as chemicals, radiation, or certain viruses can cause mutations by damaging the DNA structure.
3. Leaving mistakes uncorrected during DNA replication: During the process of DNA replication, errors can occur, and if the cell's repair mechanisms fail to correct these mistakes, a mutation may be passed on to the next generation of cells.
It is important to note that receiving mutations through vaccination is not a correct answer, as vaccinations work by introducing a weakened or inactive form of a pathogen to stimulate the immune system to produce antibodies without causing the disease itself.
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Related Questions
If a strand of DNA has 20% C, calculate the percentages of
G:
T:
A
Answers
Answer:
G would be 20%
T and A then would make up 60% so 30% each
Explanation:
the cone-shaped region of the cell body where the axon originates and where action potentials are generated is known as?
Answers
The cone-shaped region of the cell body where the axon originates and where action potentials are generated is known as the axon hillock.
The axon hillock is a specialized region of a neuron that plays a critical role in the initiation of action potentials, which are electrical signals that propagate along the axon to transmit information between neurons. It serves as the junction between the cell body and the axon and contains a high density of voltage-gated ion channels, which are responsible for generating and propagating action potentials.
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Phrenology is an entire medical discipline, where practitioners "read" the bumps and dents on the skull to gain insight into a patient's personality and intellect.
Question 1 options:
True
False
Answers
Answer:
True
Explanation:
Phrenology was a theory that involved the analyzation of bumps/dents on the skull to predict a person's intellect, personality, and mental traits.
After doing a genetic analysis on your respective __________, you and your roommate learned that you shared the same maternal ancestor 15,000 years ago in Europe.
Answers
After doing a genetic analysis on your respective genes, you and your roommate learned that you shared the same maternal ancestor 15,000 years ago in Europe.
The process of genetic analysis is used to evaluate the genetic makeup of living organisms. The genetic analysis is conducted through a variety of techniques, including microarrays, sequencing, and PCR. Genetic analysis can be used to understand the evolution of species, study inheritance patterns, diagnose genetic disorders, and many other applications. Gene sequencing is the most common technique for analyzing genes. Gene sequencing provides information about the DNA sequence and the arrangement of genes.
DNA sequencing has revolutionized the field of biology and genetics, allowing scientists to study genetic information on a massive scale. Genetic analysis provides a comprehensive picture of the genetic makeup of organisms, including humans. Gene sequencing has revealed that humans share common ancestors with other organisms and have a common ancestry. DNA sequencing has also revealed that humans share common ancestors with other humans, even those living in distant geographic regions. DNA sequencing has revealed that humans have a common maternal ancestor who lived about 200,000 years ago in Africa.
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A balanced polymorphism exists through disruptive selection in ground finches from the Galapagos in which small- and large-billed birds specialize in cracking soft and hard seeds, respectively. If long-term climatic change resulted in all seeds becoming soft, what type of selection would then operate on the finch population?
Answers
Answer:
The correct answer is - directional selection.
Explanation:
In a population, if a particular phenotype is favored among all others in every individual by continuously shifting the allele frequency towards one direction only, this type of selection called directional selection. It is a mode of natural selection.
In this case, the finch population will change towards the directional selection due to the food source become similar for both small and large-billed due to climatic change in the long term all seeds become soft so the small billed will be more favored.
Answer:
The correct answer is directional selection.
Explanation:
1.
In which order is energy transferred through a food chain?
A. Sun → plants → animals
B. Sun animals → plants
C. plants - Sun animals
nlants animals - Sun
D
Answers
Answer:
It is A
since the energy source is the first thing you need to make the planet habitable, and in order for the animals to live, you need plants like trees to give air. so the cycle is Sun-Plant-Animal
Which of the following kingdoms does NOT have members who are heterotrophic? A. Fungi B. Animalia C. Plants D. Protista (Dont send me a file)
Answers
Answer:
Plants
Explanation:
This is because plants kingdom are autotrophic that they are producers.
Plants kingdom are producers because the photosynthesized. The have chlorophyll which trap light energy from the sun and uses carbondioxide and water to produce carbohydrates and oxygen is released. Therefore they are not heterotrophic, they did not depend on other kingdom to feed...they are primary producers.
The bulky shape of fat cells make them ideal for performing which of the following functions of connective tissue?
Bone movement
Nutrient transport
Filling spaces
Body support
Answers
The bulky shape of fat cells makes them ideal for filling spaces of connective tissue. The fat cells represent a type of connective tissue.
The adipose tissue is a type of connective tissue composed of fat cells known as adipocytes.
These cells (adipocytes) are specialized cells that store fats, which can be produced by the human body or obtained from the diet.
The shape of the adipocytes can be spherical, oval, polyhedral (as part of adipose connective tissue), etc.
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Answer: Filling spaces
Explanation:
Another source of earths heat was ?
Answers
Answer:
The core of the earth
Explanation:
Answer:
its wav3
Explanation:
Explain osmosis in plant and animal cells
Answers
Answer:
Osmosis is the diffusion of water across membranes from low to high solute concentrations, an essential cellular activity.It allows cell to use water to maintain cellular itegrity or to adapt to changes in the solute composition in the extracellular environment.
Answer:
Osmosis is the process of moving water across a semi-permeable membrane from a location of higher water concentration to a region of lower water concentration. Given that it doesn't need energy, it is a form of passive transport.Osmosis in plant cells is essential for sustaining turgor pressure, which keeps the plant stiff. Only water molecules may flow through the cell wall, and as water diffuses inside the cell, a pressure known as turgor pressure is created on the cell wall.Osmosis assists in keeping the fluid equilibrium between the interior and exterior of animal cells. To keep the proper balance of fluids, the cell membrane functions as a semi-permeable membrane and controls the flow of water into or out of the cell. Water will move into a cell if there is more water outside than within, causing it to inflate, whereas water will move out of a cell if there is more water inside, causing it to shrink.
Explanation:
Why did he wear safety glasses?
Answers
Answer:
to keep you protect from dust or anything that can damage his eye
how the body and brain enable emotions memories and sensory experiences
Answers
The body and brain work together to enable emotions, memories, and sensory experiences. Overall, the body and brain work in a highly integrated manner to enable our experiences of emotions, memories, and sensory information.
Emotions: Emotions are complex physiological and psychological responses to stimuli. They involve the activation of different areas of the brain, such as the amygdala and prefrontal cortex, as well as the release of various chemicals, such as hormones and neurotransmitters. The body also responds physically to emotions, with changes in heart rate, blood pressure, and breathing rate. For example, when you feel scared, your heart rate may increase, and you may start breathing faster.
Memories: Memories are formed and stored in the brain. When you experience something, it creates a pattern of neural activity in the brain. Over time, repeated experiences can strengthen these neural connections, making the memory more robust. The hippocampus is a key brain region involved in the formation and retrieval of memories. Memories can also be influenced by emotions and the context in which they were formed. Sensory experiences: Sensory experiences involve the processing of information from the environment through our senses, such as vision, hearing, touch, taste, and smell. This information is transmitted to the brain, which then processes and interprets it. Different areas of the brain are involved in processing different senses. For example, the visual cortex processes visual information, while the auditory cortex processes auditory information.
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The fallopian tubes link the
A. ovaries and uterus
B. cervix and uterus
C. bladder and urethra
D. uterus and vagina
Answers
The fallopian tubes link the ovaries and uterus.
The fallopian tubes are responsible for transporting the egg from the ovary to the uterus for fertilization. Once the egg is released from the ovary, it travels through the fallopian tube, where it may meet sperm and become fertilized. If fertilization does occur, the fertilized egg continues its journey to the uterus, where it will implant and grow into a fetus. If the egg is not fertilized, it will continue through the fallopian tube and exit the body during menstruation. In addition, the fallopian tubes also play a role in the prevention of ectopic pregnancies, which occur when a fertilized egg implants outside of the uterus, usually in the fallopian tube.
Therefore, the fallopian tubes are an important component of the female reproductive system, connecting the ovaries and uterus and allowing for fertilization and the development of a fetus.
The primary function of the fallopian tubes is to transport mature eggs from the ovaries to the uterus for potential fertilization.
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Will mark brainliest
Answers
Answer:
Although water is a renewable resource, the amount of fresh water available is limited. Most of the Earth's water is frozen and unavailable for human use.
What are the two principles which provide explaination for how enzymes use noncovalent binding energy?
Answers
The two principles that provide an explanation for how enzymes use noncovalent binding energy are the lock-and-key principle and the induced fit principle.
The lock-and-key principle suggests that enzymes have a specific shape that matches the shape of the substrate molecule. When the substrate molecule binds to the enzyme, the noncovalent binding energy between the enzyme and substrate holds the substrate in place and allows the enzyme to catalyze the reaction. The induced fit principle suggests that the enzyme undergoes a conformational change upon binding the substrate, which enhances the noncovalent interactions and helps to orient the substrate for reaction. Both principles emphasize the importance of noncovalent binding energy in enzyme catalysis.
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How does a mass drive work?
A.
It uses the potential of a spacecraft to nudge an NEO out of its current path.
B.
It removes and ejects mass from an NEO, and gives it a little push.
C.
It involves a small rocket thrust; the mass of the NEO provides the momentum to move it further.
D.
It drives a smaller NEO into a collision course with the hazardous NEO.
Answers
Answer:
B I think.
Explanation:
Could also be D but I know it's not A or C, I took a test and it wasn't either of those.
Which of the following are disadvantages to retroviruses as gene therapy vectors? Check all that apply.
High infection efficiency
Integration can lead to transformation
Low inflammatory response
Low capsid stability
Answers
The disadvantages of retroviruses as gene therapy vectors are Integration can lead to transformation and Low capsid stability.
Retroviruses are able to incorporate their genetic material into the host cell's genome, which can result in transformation. Although this integration is preferred for long-term gene expression, it can also result in insertional mutagenesis, in which the viral integration disturbs normal gene function and may possibly cause the onset of tumors or other undesirable effects.
Retroviruses are susceptible to degradation or inactivation under certain circumstances because of their low capsid stability. This may reduce their capacity to deliver genes to desired cells.
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More than 90 percent of the weight of fat in foods and more than 95 percent of the stored fat in the human body are in the form of:_________
Answers
More than 90 percent of the weight of fat in foods and more than 95 percent of the stored fat in the human body are in the form of: triglycerides.
What is triglycerides?Among fats, triglycerides are one. They make up the majority of the fat in your body. They originate in food, particularly in the butter, oils, and other fats you consume. Additionally, extra calories provide triglycerides. You consume these calories, which your body does not immediately require. These extra calories are converted by your body into triglycerides and stored as fat. The triglycerides are released when your body requires energy. The triglycerides are transported to your tissues by VLDL cholesterol particles.
Your chance of developing heart conditions like coronary artery disease is increased if your triglyceride levels are high.
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A molecule has been isolated from a cell. The molecule is found to be in a ring shape made up of carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio. Choose all the statements that apply to this molecule.
Answers
Based on the information given, the following statements likely apply to the molecule:
- The molecule is an organic compound, as it contains the elements carbon, hydrogen, and oxygen.
- The molecule is likely a carbohydrate, as many carbohydrates have a ring shape and a 1:2:1 ratio of carbon, hydrogen, and oxygen atoms.
- The molecule is likely a sugar, as many sugars are ring-shaped carbohydrates
- The molecule is likely a monosaccharide. Monosaccharides are simple sugars and are the building blocks of more complex carbohydrates like disaccharides and polysaccharides. They are composed of C, H, and O in a ratio of 1:2:1, fitting the information provided.
- The molecule is likely to be a cyclic compound, due to the ring shape made up of atoms.
It is important to note that this information is not enough to definitely identify the molecule, there are several compounds that can fit in this description such as Glucose, Fructose, and Ribose. Additional information and testing would be needed to definitively identify the molecule.
There are more than _______________ different kinds of protozoans.
1,000
10,000
30,000
Answers
Answer:
More than 50,000 species
Explanation:
so the 3rd one would be correct. :)
Answer:
30,000
Explanation:
what 2 factors increase blood flow
Answers
The two factor that increases blood flow are given below:
1. Physical Activity : When we engage in physical activity, our muscles require more oxygen and nutrients to work properly. The body responds to this demand by increasing blood flow to the muscles, which helps deliver more oxygen and nutrients to them.
2. Body temperature : When our body temperature rises, such as during a fever or when we are in a warm environment, our blood vessels expand to allow more blood to flow to the skin's surface. This helps to dissipate heat and cool down the body.
What is a cellular structure that performs a specific function in
the cell?
Answers
Answer: An Organelle
Explanation:
a membrane-bond structure in the cell that preforms a specific function.
Vocabulary Matching
Answers
Ecosystem, specialist species, niche, habitat, nonnative species, generalist species, extinction, Keystone species, indicator species, natural selection
An organism's home is known as its habitat, and its function in its environment is known as its niche. While niche focuses on how the creature effects the environment, habitat focuses on how the environment impacts the organism.
What about species?A group of things that share the same kind and name: kind. A group of related organisms with the capacity to bear viable offspring that falls below the genus level and is designated by a two-part scientific name. A group of plants or animals that may reproduce together and have similar characteristics is referred to as a species.A collection of people with similar traits who can interbreed to create fruitful offspring is how species are frequently defined. Alpaca - Vicugna pacos are two examples. A group of creatures that can naturally reproduce with one another and generate viable progeny is sometimes referred to as a species. However, classifying a species can be challenging and even contentious. The billions of people on the planet now are all members of the same species, Homo sapiens. Human beings differ among themselves, just like other species do, in terms of everything from size and shape to skin tone and eye color. The two-part name that Linnaeus invented is still used today and is currently presented in either Latin or Greek. It was originally used for plants and then later for animals. The first identifies the larger group, known as a genus, to which the plant belongs, while the second refers to the plant itself as a species.Learn more about species here:
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ill give the star thingy PLEASE HELP ITS DUE TOMORROW
based on Mr. Kaku's assertion that knowing what the stars are made of is as easy as running starlight through a prism, use the CER method to explain the use of light to determine composition of a star in detail.
Answers
Answer: the answer is CER
The monomer of carbon is:
Answers
Answer:
A polymer
Explanation:
"A polymer is a large molecule that is made up of many smaller, repeating molecules, called monomers, which are joined together by covalent bonds. "
Please answer the question and provide answers for all the domains
You will get 50 points for it!!!
Answers
The complete classification of the Peruvian lily is given below:
Domain: EukaryaKingdom: PlantaePhylum: MagnoliophytaClass: LiliopsidaOrder: AsparagalesFamily: AlstroemeriaceaeGenus: AlstroemeriaSpecies: Alstroemeria aurea (Peruvian lily)What is the domain eukarya?Eukaryota is a varied domain of creatures whose cells have a nucleus, and its members are referred to as eukaryotes.
Eukaryotes include all animals, all plants, all fungi, and many unicellular creatures.
The following are some traits of the domain eukarya:
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A parent cell has 24 chromosomes at the beginning of interphase. How many chromatids will it have during prophase? 48 24 12 06 Which of the following best describes a major difference between plant cells and animal cells? O Only plant cells use cellular respiration. Only plant cells have a nucleus containing DNA. Unlike plant cells, animal cells cannot make their own food. Only animal cells have a cell wall.
Answers
During prophase, the parent cell will have 48 chromatids. This is because during interphase, the DNA replicates, resulting in each chromosome consisting of two sister chromatids.
Therefore, if the parent cell has 24 chromosomes, it will have a total of 48 chromatids during prophase.
Regarding the major difference between plant cells and animal cells, the most accurate statement is: "Only plant cells have a cell wall." Plant cells have a rigid cell wall made of cellulose, which provides structural support and protection to the cell. Animal cells, on the other hand, do not have a cell wall. Hence option D is correct.
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______________ Is a contributing mechanism that works with natural selection by creating combinations of genes that nature selects for or against.RecombinationMutationChromosomeAllele
Answers
Of these terms, the one which is a contributing mechanism in the natural selection is mutation, since this is an alteration of a specific fragment of DNA that can produce an organism to have in advantage or in disvantage with regard to other species.
Car 1 will roll down the ramp and exert a force on car 2. The force experienced by car 2 is measured indirectly using_____________. If the force increases, car 2 will travel______________. The independent variable, or what’s being manipulated in the experiment, is________________. he dependent variable, or what’s responding, is ______________. The height and starting position on the ramp are constants in this experiment.
1.the distance it travels or its speed
2.slower or farther
3.the starting height of car 1 or the type of bumper attached to car 2
4.the distance car 2 travels or the speed of car 1
Answers
Answer:
Car 1 will roll down the ramp and exert a force on car 2. The force experienced by car 2 is measured indirectly using
the distance it travels
. If the force increases, car 2 will travel
farther
. The independent variable, or what’s being manipulated in the experiment, is
the type of bumper attached to car 2
. The dependent variable, or what’s responding, is
the distance car 2 travels
. The height and starting position on the ramp are constants in this experiment.
Explanation:
Which of the following is not a lipid?
Asteroid
B cholesterol
C
wax
D cellulose
Answers
Answer:
cellulose
Explanation:
lipids are fats oils or waxes. cellulose is a fiber
Answer:
cellulose
Explanation:
Examples of lipids include fats, oils, waxes, certain vitamins (such as A, D, E and K), hormones and most of the cell membrane that is not made up of protein. Therefore waxes are not the answer.
Steroids are lipids because they are hydrophobic and insoluble in water, but they do not resemble lipids since they have a structure composed of four fused rings. Cholesterol is the most common steroid and is the precursor to vitamin D, testosterone, estrogen, progesterone, aldosterone, cortisol, and bile salts. Therefore steroid and cholesterol is not the answer.