HOMEOSTASIS The cells can survive, if the temperature, pressure and chemical composition of their fluid environment remains constant. The surrounding environment of the body provides oxygen and nutrients required by all cells of the body.anation:
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.
Learn more about DNA replication here.
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Of these two spacecrafts, which do you feel had the most successful mission? Explain two reasons why.
Answer:
?
Explanation:
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 stem of a plant is experiencing phototropism. Which statement correctly describes the plant's response? (1 point)
the stem moves away light for better photosynthesis
the stem moves towards the light for better photosynthesis
the stem bends to the sides because there are smaller cells on sides
the stem grows upward because Larger cells are growing
Answer:
The stem moves toward the light for better photosynthesis.
Explanation:
I also took this quiz and got this answer
The percentage of a gene within a population is called
A) genetic variation
B) genetic frequency
C) gene pool
D) genetic drift
E) genetic diversity
Answer:
It's B, look up the definition.
Explanation:
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
What do checkpoints do in the cell cycle? *
Answer:A checkpoint is a stage in the eukaryotic cell cycle at which the cell examines internal and external cues and "decides" whether or not to move forward with division.
Explanation: Easy Peasy
whats a fossil and describe how fossils are formed
Answer:
I agree with the other person
Explanation:
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:
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.
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.
What property allows carbon to form a wide variety of molecules?
a. It is the fourth most abundant element in the universe.
O b. It has an average mass of 12 AMU.
O c. It's electron configuration.
.
O d. It's number of protons.
Answer:
O c. It's electron configuration.
Explanation:
Electronic configuration is the property that allows carbon to form a wide variety of molecules. It is fourth most abundant element in the universe after hydrogen, helium and oxygen. It has four electrons in its outermost shell due to which carbon forms four covalent bonds with other elements such as hydrogen, oxygen, and nitrogen. Carbon also has the ability to making rings.
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
A strike-slip fault is the result of what type of stress?
A
extension
B
compression
С
shear
D
strain
Answer:
С.shearExplanation:
A strike-slip fault is a dip-slip fault in which the dip of the fault plane is vertical. Strike-slip faults result from shear stresses .
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 variety of organisms within an ecosystem is characteristic of which type of diversity?
Genetic diversity
b. Ecosystem diversity
c. Species diversity
d. Regional diversity
Please select the best answer fron] the choices provided
B
оооо
Answer: ecosystem diversity
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.
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:
Which alele combination represents a male who has an X-linked recessive disorder?
Explanation:
The allele combination would most likely be xx if recessive
A rash can indicate the type of disease present.
True
False
Answer:
true
Explanation:
Answer:False
Explanation:Skin rashes can have causes that aren't due to underlying disease. Examples include hot and humid weather, excess sun exposure, or scratchy clothes that don't fit.
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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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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
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
tRNA is the molecule that brings the appropriate _______ _______ to the mRNA using an anticodon.
fill in the blank
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.
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.
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:
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.
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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:
suggest how a dimetrodon would have to behave in order to use its sail to warm its body ?
