When one or more nucleotides are lost, this is called
Answer:
Deletion mutation
Explanation:
A deletion mutation can remove a single nucleotide, or entire sequences of nucleotides
The diagram shows a model of a section of double-stranded DNA. The straight lines and dotted lines represent chemical bonds between the
components of the molecule.
During DNA replication, which chemical bonds break apart? Select all that apply.
The DNA has two double strands, and they have different chemical bonds, so during the DNA replication, the hydrogen bonds that are present between the two strands break to separate the DNA.
What role does DNA replication play?DNA replication is the process of making two DNAs from a single DNA, and here the hydrogen bonds that are present between the bases, such as thymine and adenine, which have two hydrogen bonds, and guanine and cytosine, which have three hydrogen bonds, break. The purpose of DNA replication is to make a copy of the genetic content of the cell so that it can be passed to other cells.
Hence, the DNA has two double strands, and they have different chemical bonds, so during the DNA replication, the hydrogen bonds that are present between the two strands break to separate the DNA.
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What molecule carries chemical energy that cells use for their functions?
Answer:
Adenosine triphosphate (ATP)
Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.
Birds are most closely related to what other animals?
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birds evolved from theropod dinosaurs, but in real time they are mostly
related to Crocodiles
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Although the living reptiles birds are most closely related to are crocodilians (archosaurs), when it comes to their relation to dinosaurs, birds evolved from theropod dinosaurs. These theropods share over 100 traits with modern birds.
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Answer: As vertebrate animals, birds are ultimately related to all the other vertebrate animals that live or ever have lived on earth. But you may be surprised to learn that the family of vertebrates to which modern birds are most closely related is the crocodiles , which evolved, like dinosaurs, from a population of archosaur reptiles during the late Triassic period.
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The place where photosynthesis. Where plants produce glucose?
Provides structure and protection to the cell
Answer:
The place where photosynthesis.: Chloroplasts
Where plants produce glucose? : Photosynthesis
Provides structure and protection to the cell : The cell wall
Explanation:
Which alele combination represents a male who has an X-linked recessive disorder?
Explanation:
The allele combination would most likely be xx if recessive
suggest how a dimetrodon would have to behave in order to use its sail to warm its body ?
In osmosis molecules move through a semi-permeable membrane from a high concentration to a low concentration. True or False
Answer:
False
Explanation:
Osmosis is the movement of water molecules through a selectively permeable membrane from high to low concentrations.
Diffusion is the process in which molecules move from an area of high concentration to low concentration.
The statement doesn't say that the molecules are water, so we put false. If it is wrong then tell the teacher that she has to include water molecules in there to be more detailed.
what happens to cells that do not take up the recombinant plasmid
Explanation:
they are not transformed , and they die soon after they are still transfo4med because the nearby cells are transformed they change to a new cell with new characteristics. THEY ARE NOT TRANSFORMED AND THEIR CHARACTERISTICS ARE NIT ALTERED
Think of another science topic you studied earlier. How might considering scale be useful when investigating that topic? How is that similar to and different from how the crosscutting concept of Scale is useful in this unit?
Scale can be extremely important to consider when applying the conclusions of an investigation to a larger group.
Scale is defined as a series of measurements in a given ratio, in order to compare two objects or groups. Some examples include:
Scale modelsScale populationsIn the case of scale models, one example may be creating a 1:100 scale model of a building. What this means is that the model created will be one hundred times smaller than the original.
The idea of scale is very important to consider when performing experiments. For example, if we were to take a sample of 10 people and test for a specific bacteria, which gives us a result of 1 in 10 (or 10%) of the people that test positive for the bacteria, it would seem as though it is a very small number of people. However, if we take scale into consideration we can apply this 10% to the global population, which will result in hundreds of millions of people who will test positive for the bacteria.
Scale is important to consider when performing any experiment or drawing conclusions because it offers a method to calculate and make an educated assumption as to the impact of the results on a population that would otherwise be impossible to test.
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During the mid-1700s, advances in technology caused society to shift from agriculture
and manufacturing practices powered by human and animal laborers to practices
powered by fossil fuels. This historical shift is known as the Industrial Revolution. Which
of these is a likely result of the Industrial Revolution?
A. A decrease in consumption of fossil fuels
B. An increase in formation of new fossil fuels
C. A decrease in formation of new fossil fuels
D. An increase in consumption of fossil fuels
X Incorrect
Answer:
I think its c
Explanation:
im not exactly sure
Answer:
An increase in consumption of fossil fuels
Explanation:
During asexual reproduction in paramecia, a single paramecium becomes two new paramecia. The genetic material of the new paramecia is usually —
Answer: identical to the original
Explanation: on the test eduphoria
The cell cycle begins again after
A. synthesis has copied each chromosome.
B. mitosis has formed two identical nuclei.
C. cytokinesis has formed two new cells.
D. differentiation has made cells specialized.
Answer:
C. cytokinesis has formed two new cells.
Explanation:
Cell cycle has different stages called G1, S, G2, and M. ... This is where the cell actually partitions the two copies of the genetic material into the two daughter cells. After M phase completes, cell division occurs and two cells are left, and the cell cycle can begin again.
What needs to happen for natural selection to occur? Highlight all that apply.
A. Some of the traits will provide individuals an advantage over others.
B. Some variation occurs in the inherited traits.
C. A natural disaster.
D. Individuals with certain traits are more likely to have an increased number of offspring
Answer:
A
Explanation:
Natural selection occurs because those with more favorable traits survive while the others don't. If there are no favorable traits in a community then there is no natural selection.
I need to know how to do this, please help !!1
Answer:
freckles, no freckles
cheek dimples, no cheek dimples
right-handed, right-handed
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During which stage of the water cycle does water from the ocean form clouds?
A) Precipitation
B) Condensation
C) Evaporation
D) Collection
Answer: B) Condensation :)
Explanation:
Answer:
C. evaporation!
Explanation:
water evaporates and goes up
The picture shows an organism that lives in the lakes of two caves in
Augusta County, Virginia. Its primary food source appears to be fine bits of
organic matter that drift into the cave lakes. This cave-dwelling species
belongs to the kingdom -
A,Animalia
B,Protista
C,Eubacteria
D,Fungi
Answer:
the answer is a.animalia
Explain the interaction between proteins and nucleic acids.
Answer:
Image result for Explain the interaction between proteins and nucleic acids.
The binding of protein to DNA controls the structure of genomic DNA (chromatin), RNA transcription, and DNA repair mechanisms. The following example illustrates how Invitrogen Dynabeads magnetic beads may be used to recover proteins that bind to nucleic acids.
Explanation:
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6. True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false.
________
7. True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.
________
8. Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
________
9. Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
________
10. Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.
________
Some organisms, such as fish and mosquitoes, produce very large numbers of offspring. Why is producing a large number of offspring important for natural selection?
Answer:
Because a lot of the offspring die
Fish lay lots and lots of eggs but very few survive
It is important, so they can grow up and continue the lifeline of that animal, or that generation of animal
Discuss which type of reproduction is the "best" strategy for continuing a species through time in a changing environment and justify your answer.
Answer:
Any sort of sexural reproduction.
Explanation:
Unlike asexual reproduction, sexual reproduction allows the species being produced to adapt the the changing environment around it to increase the chances of survival. For asexual reproduction, clones are made of the parent and, therefore, cannot withstand any extreme conditions that the parent species couldn't. For a changing environment, sexual is the best to allow the specimen and its offspring to change positively along with the environment.
List several functions of G protein-coupled receptors
Answer:
A novel GPCR role in regulating cell density sensing. Homeostasis modulation (e.g., water balance). Involved in growth and metastasis of some types of tumors. Used in the endocrine system for peptide and amino-acid derivative hormones that bind to GCPRs on the cell membrane of a target cell.
The pancreas produces enzymes that aid in digestion. By what process are these digestive enzymes excreted from pancreas cells? a. osmosis b. exocytosis c. endocytosis d. diffusion
Answer:
B. Exocytosis
Explanation:
..............!
Answer:
b
Explanation:
because
Which choice is a predator?
O carnivore
O producer
O herbivore
O decomposer
Answer:
Carnivore
Explanation:
They are meat eaters, so they are going to hunt snd prey upon other animals to sustain their living.
Is the brain made up of Neurons itself?
Please don't answer unless you know the answer
Answer:
Yup it is made of neutrons itself composed of both neutrons and glial cells
Why is type 2 diabetes harder to treat than Type 1 diabetes? help pls ty!
In an area where a river has cut deep into Earth, there are several layers of very different rock exposed. The oldest rock layer is most likely to be the layer that is
O Below the other layers
The thickest layer
O The most rich in fossils
O Igneous intrusive rock
In an area where a river has cut deep into Earth, there are several layers of very different rocks exposed. The oldest layer is most likely the layer below the other layers. So the correct option is A.
What are different types of rocks?The combination of minerals whose properties result from the combination of all the aggregate minerals are called rocks. Rocks are categorized into different types depending on various properties.
Some of them are mineral composition, chemical composition, texture etc. The three categories of rocks are most commonly known.
These are Igneous rocks, Sedimentary rocks and Metamorphic rocks. The Igneous rocks are formed when the lava or magma from the volcanoes are cooled and solidified.
The continuous deposition of materials in water bodies results in the formation of Sedimentary rocks. This process is called sedimentation.
Metamorphic rocks are formed under the surface of earth when materials are deposited and subject to high temperatures and pressure. This process is called metamorphism.
Therefore the correct option is A.
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The diagram below shows two kinds of cells.
A biologist wants to classify protein secretions into groups based on the principal function of the protein. Which cell would the biologist select to study and why?
Answer:
I think it may be the second one but im not that sure
Answer:B
Explanation:
27. City planners want to build a new airport. The city is located near a river that
often changes course. How could satellite views assist the planners in choosing
a location for the airport? (8.9C)
a. Views could be used to locate the areas of least vegetation
b. Views could be used to predict the future course of the river
c. Views could be used to locate flat and level areas
d. Views could be used to make topographic maps of the area
I
Answer:
d. Views could be used to make topographic maps of the area.
Explanation:
Satellite views helps the planners in choosing a location for the airport because it provides topographic maps of the area which contains all information about natural features of that area such as roads, railways, power transmission lines, contours, elevations, rivers and lakes. So the satellite images provides a great help to the planners to find out suitable place for the airport.
The substance produced in anaerobic respiration is changed back to glucose.
Where does this process happen? Tick one box.
lungs
stomach
brain
liver
Answer:
liver hope it helps
Explanation:
