Which of the following statements applies to both point and frameshift mutations? A. A base is removed from a DNA template strand B. A base is added to a DNA template strand C. A base is substituted for another base in a DNA template strand D. No correct response
Answers
The following statements applies to both point and frameshift mutations with a base is substituted for another base in a DNA template strand.
DNA stands for Deoxyribonucleic Acid, which is a molecule that carries genetic information in almost all living organisms. It consists of a long chain of nucleotides, which are made up of a sugar molecule (deoxyribose), a phosphate group, and a nitrogenous base (adenine, thymine, guanine, or cytosine).
The nucleotides are joined together by phosphodiester bonds, forming a double-stranded helical structure known as a double helix. The specific sequence of the nucleotides in DNA carries the genetic information that determines the traits of an organism. DNA replication and transcription are the processes by which DNA is copied and its information is used to synthesize proteins, the building blocks of life.
Hence, the correct option is C.
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Related Questions
Short reflexes of the digestive system are integrated in the ________ nervous system.
A. Sympathetic
B. Parasympathetic
C. Autonomic
D. Central
Answers
The short reflexes of the digestive system are integrated in the autonomic nervous system.
the autonomic nervous system controls the functions of the internal organs of the body.The digestive system involves a lot of muscles and glands that work together to break down food and absorb nutrients into the body. There are two types of reflexes that regulate digestion - long and short reflexes.Short reflexes are those that originate and terminate in the walls of the digestive system, usually involving one or two segments of the digestive tract.
These reflexes are integrated in the autonomic nervous system, which controls the involuntary actions of the body.Long reflexes are those that involve the central nervous system and the digestive system. These reflexes are triggered by the sight, smell, or taste of food, and they involve complex neural pathways that activate different parts of the digestive system to prepare it for digestion.
Hence option C is correct
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How is an ectotherm most likely to maintain homeostasis during hot weather? O A. By burrowing underground O B. By shivering O C. By sweating O D. By sitting on a warm surface
Answers
An ectotherm is most likely to maintain homeostasis during hot weather by burrowing underground. Thus, the correct option is A.
What is Homeostasis?Homeostasis may be defined as the process that involves a condition of balance among all the body systems required for the body to survive and operate correctly.
Ectotherms are those organisms that can not be able to maintain their internal body temperature with respect to the external one.
They follow different strategies like hibernation during winters and aestivation during summers.
During hot weather, they usually undergo summer sleep by burrowing underground.
Therefore, the correct option for this question is A.
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specie's who reproduce asexually produce genetic clones of themselves as their offspring. They can still evolve though due to random genetic errors know as...
Answers
Answer:
Mutations
Explanation:
Species that reproduce asexually produce genetic clones of themselves as their offspring, which means that their offspring have the same genetic material as the parent. However, random genetic errors can still occur during the process of DNA replication, which can lead to genetic variation and potential evolution. These random genetic errors are known as mutations.
Species that reproduce asexually produce genetic clones of themselves as their offspring. They can still evolve, though, due to random genetic errors known as mutations.
What is mutation and asexually reproduction?These mutations can lead to genetic variation within a population, even in asexually reproducing species. While the genetic variation resulting from mutations may not be as extensive as in sexually reproducing species, it can still provide the raw material for evolution to occur. This is because mutations can lead to changes in traits, such as an organism's physical appearance or behavior, which can influence its ability to survive and reproduce in its environment.
Hence, species that reproduce asexually produce genetic clones of themselves as their offspring. They can still evolve, though, due to random genetic errors known as mutations.
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True or False. If the air pressure is high, the weather is usually stormy.
Answers
Answer:
True
Explanation:
. What would happen if igneous rock was first exposed to energy from the sun and then millions of years later to energy from the Earth's interior?
Answers
Answer:
Explanation:
If an igneous rock is exposed to the sun for millions of years it becomes brittle. This causes it to break down more easily. Then the energy from the Earth's interior would cause a weathering and erosion effect on the rocks. This would ultimately go breaking down the rocks over time turning it from igneous rock to sedimentary rock that is all small broken pieces of the igneous rock. This entire process would take millions of years to occur.
Metamorphic rock are formed if igneous rock is exposed to the energy of the sun as well as earth's interior for millions of years.
If igneous rock was first exposed to energy from the sun and then millions of years later to energy from the Earth's interior then the igneous rock will change into metamorphic rocks because metamorphic rocks are formed when exposed to intense heat and pressure.
The intense heat and pressure change the original shape and form of the rock and igneous rock will change into Metamorphic rocks so we can conclude that igneous rock will change into metamorphic rock if it is exposed to the energy of the sun as well as earth's interior for millions of years.
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(Multiple Choice Worth 3 points)
(04.01 MC)
Which statement correctly describes the transfer of energy between the blue arrows?
O There is no change in energy.
There is twice the gain of energy.
There is a loss of energy.
There is a gain in energy.
Answers
The blue arrows denote the direction of the energy transfer from the turbine to the electrical generator. Based on the given diagram, the energy transfer between the blue arrows is a gain in energy.
Energy transfer refers to the conveyance of energy from one form to another, such as mechanical energy into electrical energy. Therefore, there is an increase in energy between the turbine and the electrical generator, which is highlighted in the blue arrows' direction.
The generator gains energy in the form of kinetic energy from the turning motion of the turbine. When the turbine turns the shaft of the generator, it causes electromagnetic fields to occur within the generator, which, in turn, generates electricity.
This energy transfer process is efficient as long as the system does not face friction or other forms of resistances. If the system does face such resistances, then there is a loss of energy and inefficiency in the energy transfer process, which can significantly affect the system's overall performance.
In conclusion, the energy transfer between the blue arrows is a gain in energy. The generator gains energy in the form of kinetic energy, which is converted into electrical energy. The efficient energy transfer process is vital for the system's optimum performance and operation.
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a scientist shines low levels of ultraviolet radiation on a dish containing colonies of ruby-red bacteria. he then makes several replicate plates from this dish over many generations. he finds that in addition to the ruby-red color, there are also pink, orange, and yellow bacteria.which of the following is the best explanation for these findings? a. one bacterial colony changed its color to better blend in to the media. b. natural selection produced the changes in the bacterial color. c. the scientist selected new types of bacteria by making plates of successive generations over time. d. mutations occurred in the gene for color and were passed on to successive generations of bacteria.
Answers
The best explanation for the presence of pink, orange, and yellow bacteria in the replicate plates is that mutations occurred in the gene for color and were passed on to successive generations of bacteria.
The low levels of ultraviolet radiation might have caused mutations in the DNA of the bacteria, resulting in changes in color. As the bacteria multiplied and formed colonies, the mutations were passed on to new generations. Over time, natural selection might have favored certain colors over others, depending on the environment and other factors.
The scientist's repeated replication of the plates helped to ensure that the changes in color were not due to random variations or contamination. Therefore, the most likely explanation is that the bacteria underwent genetic mutations that led to different colors, which were then selected for by natural processes over many generations.
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Which feature forms when magma cools beneath earths surface?
Answers
Answer:
batholiths
Explanation:
just got it right
Answer: C. Batholiths
In the phrase "survival of the fittest," the term "fittest" refers to:
A. The best-adapted organisms
B. The biggest organisms
C. The smartest organisms
D. The fastest organisms
Answers
Answer:
A
Explanation:
From what I know this could be wrong, but in the four stages of natural selection, the first step is overproduction, the second step is adaptation, and the third step is competition or survival of the fittest. This means that only the organisms with the best adaptations for their surroundings will survive. COULD BE WRONG SORRY IF IT IS
Describe the structure of DNA and the possible base pairs it contains.
Answers
DNA is a molecule made up of thousands of atoms and is very long and thin. It is made up of two twisted chains or "backbones." A double helix is the term for this structure. It would appear like a ladder if you could straighten a DNA molecule out. The ladder's "rungs" are built up of two smaller molecules called bases.
adenine (A) and thymine (T) join together = A-T
guanine (G) and cytosine (C) join together = G–C
DNA is a molecule with a double helix structure. This means that it is shaped like a twisted ladder. The backbone of the molecule is made up of two long chains that spiral around each other. The struts of the ladder are base pairs, which are made up of two bases joined together.
There are four bases: adenine (A), cytosine (C), guanine (G) and thymine (T). These can only join together to form two possible base pairs: adenine–thymine or cytosine–guanine.
Which best describes what the picture shows?
Answers
Answer:
what picture is this i don ,t see it
Answer:
D
Explanation:
What are the monomers used to make carbohydrates, proteins, and nucleic acids?
Answers
Answer:
Monosaccharides, Nucleotides, Amino acids
Explanation:
Monosaccharides are the monomers that make up carbohydrates. Glucose is an example of a monosaccharide. Nucleotides are the monomers that make up nucleic acids. Amino acids are the monomers that make up proteins.
The current population of a threatened animal species is 1.6 million, but it is declining with a half-life of 20 years. How many animals will be left in 40 years? in 65 years? The population after 40 years will be animals. (Round to the nearest whole number as needed.) The population after 65 years will be animals. (Round to the nearest whole number as needed.)
Answers
The population after 40 years will be 400,000 animals, and the population after 65 years will be approximately 336,000 animals.
To determine the population after a certain time period, we can use the formula for exponential decay;
N(t) = N0 × \((1/2)^{(t/T)}\)
Where;
N(t) is the population at time t
N0 is the initial population
t is the time elapsed
T is the half-life of the population
Given;
N0 = 1.6 million
T = 20 years
Let's calculate the population after 40 years;
N(40) = 1.6 million × \(1/2^{(65/20)}\)
= 1.6 million × (1/2)²
= 1.6 million × (1/4)
= 400,000
Therefore, the population after 40 years will be 400,000 animals.
Now, let's calculate the population after 65 years;
N(65) = 1.6 million × \((1/2)^{(65/20)}\)
= 1.6 million × \((1/2)^{(13/4)}\)
≈ 1.6 million × 0.210
≈ 336,000
Therefore, the population after 65 years will be approximately 336,000 animals.
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Other than their use in nucleic acid synthesis, which energy source is used uniquely for the synthesis of lipids?
a. atp
b. utp
c. gtp
d. ctp
e. none of these is unique to fatty acid synthesis
Answers
The correct answer is option d. CTP stands for Cytidine triphosphate.
In metabolic processes including the formation of glycerophospholipids, where it is used to activate and transfer diacylglycerol and lipid head groups, as well as glycosylate proteins, CTP functions as a coenzyme. Aspartate carbamoyltransferase, an enzyme required for pyrimidine production, is inhibited by CTP.The pyrimidine nucleoside triphosphate known as cytidine 5′-triphosphate (CTP) is similar to the more well-known ATP but uses cytidine as the base instead of adenine. It serves as a substrate in RNA production.A well-known example of feedback inhibition is the allosteric inhibitor cytidine triphosphate (CTP), which prevents an enzyme from initiating a step at the start of a biosynthetic pathway.CTP takes into account both the availability of materials and capacity, providing a more accurate picture of whether demand can be met within a specific time frame than ATP, which solely analyzes material availability and assumes infinite capacity resources.Learn more about Lipids here:
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Identify the labeled structures.
A:
B:
c:
d:
e:
Answers
Answer:
A. Golgi apparatus
B. Vacuole
C. mitochondria
D. nucleus
E. cell membrane
Explanation
Golgi apparatus
Golgi apparatus, is a cell organelle that helps process and package proteins and lipid molecules, especially proteins destined to be exported from the cell.
Vacuole
A vacuole is a membrane-bound cell organelle. In animal cells, vacuoles are generally small and help sequester waste products. In plant cells, vacuoles help maintain water balance.
mitochondria
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.
nucleus
A nucleus, as related to genomics, is the membrane-enclosed organelle within a cell that contains the chromosomes.
cell membrane
The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell
If prey are keeping predator population sizes in check then we would consider this interaction to be
O prey abusing their position of power! Throw the bums out! Vote predator!
O top-down control
O carrying capacity control
O bottom-up control
below control
Answers
Answer:
The correct answer is C
(Bubble #3)
Fill The Blank? the process that pushes food through the esophagus is called ________
Answers
The process that pushes food through the esophagus is called peristalsis. So the suitable term to fill in the blank is peristalsis.
Peristalsis is a muscular process that aids in the transport of food through the digestive system. Peristalsis is a sequence of involuntary muscle contractions that transports food in a single direction along the digestive tract. When the esophagus muscles move in this manner, the peristaltic wave transports food from the pharynx to the stomach. Food is propelled down the digestive tract by rhythmic muscular contractions, beginning in the mouth and continuing until the waste material is excreted from the body through the rectum and anus.
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What do bacteria have in common with the cells of other living organisms?
Answers
Answer:
Bacteria have cytoplasm and chromosomes which are common with the cells of other living organisms. Some bacteria have whip-like which is flagellum which helps bacteria cells have prokaryotes which mean the DNA is not being held with the nucleus like cells of plants and animals.
Explanation:
Which statement describes a possible negative impact of scientific research
regarding genetically modified mosquitos?
A. Research regarding genetically modified mosquitos might
encourage research regarding other genetically modified
organisms.
B. Reducing the population of mosquitos might reduce the
transmission of mosquito-borne diseases.
C. Creating genetically modified mosquitos might result in a
reduction in the use of pesticides.
D. Permanently changing the genetic makeup of mosquitos might
cause unexpected harm to the environment.
Answers
Invertebrates: Group of answer choices have more species than vertebrates. include Arthropods, Molluscs, and flatworms, among others. All of the above are correct. are animals without a backbone.
Answers
Invertebrates are animals without a backbone. They constitute a group of answer choices that have more species than vertebrates. Arthropods, Molluscs, and flatworms are among the invertebrate groups with the most species. Therefore, all of the above options are correct.
A backbone is a rigid internal structure that runs along the back of an animal's body and provides support for the body. Invertebrates lack this structure, and they have evolved various ways of support, such as hydrostatic pressure in earthworms or exoskeletons in arthropods.
Some invertebrates, such as arthropods, mollusks, and flatworms, are among the most successful groups of animals on the planet. They are found in a wide range of habitats and exhibit a variety of adaptations that enable them to survive in different environments. Hence, All the above are correct is the correct option.
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As Earth’s population continues to grow, the need for resources also increases. Certain necessary resources will not last unless people begin using less of them.
The practice of using less of a resource to keep it around for a longer time is called
.
Answers
Answer:
Explanation:
Remark
If there are choices, please give them. The most common word for this moral activity is conservation. If this is not in your list, leave a note.
Answer
Conservation
the percentage of floating leaf disks is a reasonable measure of photosynthetic rate because the leaves float due to ________ production.
Answers
Answer:
oxygen
Explanation:
Which of the following electromagnetic waves is not used for communications?
A. Ultraviolet
B. Infrared
C. Light
D. Radio
Answers
inhibition of intestinal polyp formation by pitavastatin, a hmg-coa reductase inhibitor. cancer prev res (phila) 4:445–453.
Answers
A study published in the journal Cancer Prevention Research demonstrated that pitavastatin, an HMG-CoA reductase inhibitor, showed inhibitory effects on intestinal polyp formation.
The study, titled "Inhibition of Intestinal Polyp Formation by Pitavastatin, a HMG-CoA Reductase Inhibitor," aimed to investigate the potential preventive effects of pitavastatin on the development of intestinal polyps. The researchers conducted experiments using a mouse model of intestinal tumor formation.The findings of the study revealed that treatment with pitavastatin resulted in a significant reduction in the number and size of intestinal polyps in the mice.
Furthermore, the researchers investigated the underlying mechanisms behind the observed inhibitory effects of pitavastatin. They discovered that pitavastatin treatment led to a reduction in the levels of certain inflammatory markers and increased apoptosis (programmed cell death) in the polyp tissues. These effects indicate that pitavastatin may exert its inhibitory actions through anti-inflammatory and pro-apoptotic pathways.
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what do you use to mesure liqued volume
Answers
graduated cylinder or a buret can be used to measure the volume of liquids.
Other common Measuring InstrumentsSpeedometers, measuring tape, thermometers, compasses, digital angle gauges, levels, laser levels, micrometers, measuring squares, odometers, pressure gauges, protractors, rulers, angle locators, bubble inclinometers, and calipers are examples of common measuring tools.
The three measurements are:
length, width, and heightThe above enables us to convey the volume
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What is the average speed of an animal if it runs 180 meter in 10 seconds? * 1 point
Answers
Answer:
In 1 second it runs 18 meters
Explanation:
If it takes 10 seconds to run 180 then divide both sides by 10 to get one second which is 18 meters one second
Hope this helps!
All of the following are examples of social sciences except?
Answers
What accounts for the differences in the functions and properties of molecules like starches, glycogen, cellulose and chitin?
Answers
Answer:
The difference in their structure gives them different properties and functions
Explanation:
If you're reading the 01.02A Chemistry of Life (Honors) course, go to the section called "Carbohydrates" Then go to the very last part of the section there you will find a sentence that says " They are all polymers made up of hundreds to thousands of glucose molecules bonded together, but the difference in their structures gives them different properties and functions." That's the sentence that I used to respond to this question.
What are some of the CELLULAR FUNCTIONS that a cell membrane participates in?
Answers
Answer:
There are two main functions
Explanation:
First, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
Answer:
1. Selective permeability: The cell membrane acts as a barrier, allowing certain molecules to enter and exit the cell while preventing others from passing through.
2. Signal transduction: The cell membrane is involved in the transmission of signals from outside the cell to the inside, allowing the cell to respond to its environment.
3. Cell-cell recognition: The cell membrane contains proteins that allow cells to recognize each other and interact with one another.
4. Endocytosis and exocytosis: The cell membrane is involved in the process of endocytosis, which is the uptake of molecules from outside the cell, and exocytosis, which is the release of molecules from inside the cell.
5. Cell adhesion: The cell membrane contains proteins that allow cells to adhere to one another and form tissues.
Explanation:
When are feedback loops used in any system? question 1 options: when the system needs more of something. when the system needs an enhanced outcome. when a stimulus causes the system to move out of balance. only in emergency situations.
Answers
Feedback loops are used in any system: when a stimulus causes the system to move out of balance.
Feedback loops are designed to help a system maintain equilibrium or balance by adjusting the system's inputs or outputs.
There are two types of feedback loops, positive and negative. A positive feedback loop amplifies the system's response to a stimulus, while a negative feedback loop dampens or reduces the system's response to a stimulus.
Feedback loops are essential for maintaining the stability and performance of a system in a wide range of fields, from biology to engineering.
Feedback loops are used to address a variety of challenges, such as maintaining a constant temperature in a building, regulating glucose levels in the body, or controlling the speed of a motor.
In each case, feedback loops are used to monitor the system's output and adjust the input to ensure that the output stays within a certain range.
Feedback loops can also be used to improve a system's performance by continuously adjusting the input based on the system's output.
Overall, feedback loops are a fundamental concept in systems theory and play a crucial role in ensuring that a system remains balanced and achieves its desired outcomes.
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