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which one exactly do you need help with?
Related Questions
based on what factor do we choose the method of separation for different components of a mixture?
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Answer:
Different components of a mixture have different properties on the basis of which we device the method that is used to separate it from other components of the mixture
-TheUnknownScientist 72
What is a way of describing of stratus clouds
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Answer:
Stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds
Answer:
stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuli form clouds that are formed by rising thermals
Explanation:
Species: Fractus ; Nebulosus
Abbreviation: st
Classification: Family C(Low-level)
Genus: Stratus (layered)
from the roots up through the stems and into the leaves, replacing
the water used in ———— ??
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Answer:
Transpiration
Explanation:
Plants lose water by transpiration.
If a DNA molecule with a total of 2500 nucleotides has 1500 purines, how many guanines are in this DNA molecule?
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Answer:
I'm pretty sure there would be 1000 guanines in the DNA molecule.
Explanation:
Hope this helps. . . <3
If a DNA molecule with a total of 2500 nucleotides has 1500 purines, total number of guanines are in this DNA molecule is 1000 guanines in the DNA molecule.
What will be the total number of thymines if a DNA molecule has a total of 1500nucleotides?The DNA molecules would be given and it have 450 thymines if the DNA molecule has the total of 1500 nucleotides and the DNA molecule also have been known as the deoxyribonucleic acid has been made up of the double helix. The DNA molecule with the total of 1500 nucleotides would contain 750 cytosine and Thymines and 750 guanines and adenine.
Hence, we can have the expression:
C + T = 750
If there are 300 cytosines, hence;
300 + T = 750
T = 750 - 300
T = 450
A nucleotide has the monomer constituting DNA or RNA biopolymer molecules and the double-stranded DNA molecule posseses two strands of DNA made up of the nucleotides.
Therefore, If a DNA molecule with a total of 2500 nucleotides has 1500 purines, total number of guanines are in this DNA molecule is 1000 guanines in the DNA molecule.
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Un cilindro de 509.8 gramos que tiene un volumen de 1007.1cm, cual es la densidad
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Answer:
Explanation:
509.8 gramos / 1007.1 gm/cm³ = 0.5062... = 0.506 gm/cm³
Recombination (crossing over) during prophase I of meiosis occurs when:
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Answer:
meiosis before tetrads are aligned along the equator in metaphase I.
Explanation:
When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I
8. Identify THREE structures found in plant cells but not in animal cells
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Answer: cell wall, chloroplasts, plastids, and a central vacuole
Explanation:
Answer:
Vacuole
cell wall
chloroplast : photosynthesis
Muscle cells serve as a reservoir for which of the following?
A. O Fructose
B. O Glucose
C. O Galactose
D. O Raffinose
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explain:
Muscle is a primary site for glucose uptake and storage
Where does hunger originate? A., B., C., or D.
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Answer:
The answer is (C) In the hypothalamus
Explanation:
Within the hypothalamus are nerve cells that, when activated, produce the sensation of hunger.
The relationship between predator and prey species is modeled here with the owls and rodents. Which statement(s) correctly evaluate
the relationship between these species with regards to evolution? Select ALL that apply.
es )
A)
The presence of the owls is a selective pressure for the rodents.
B)
Fewer rodents result in an overpopulation of owls, leading to their
evolution
o
Coevolution is occurring as each population is evolving in response to the
other.
D)
Owls that see camouflaged rodents are more likely to evolve to have
increased variation
E)
Coloration results in poorly or well-adapted rodents while eyesight level
can lead to poor or well-adapted owls.
Answers
Answer:A, C, E .
Explanation:
I just did it on USA testprep
A) The presence of the owls is a selective pressure for the rodents.
C) Coevolution is occurring as each population is evolving in response to the other.
What is predator?A predator is an organism that hunts, kills, and feeds on another organism known as the prey. Predation is a biological interaction between two species, where one species benefits by consuming the other species, and the other species is harmed or killed.
These two statements correctly evaluate the relationship between the predator and prey species in terms of evolution. The presence of owls as predators creates a selective pressure for rodents, where those with traits that allow them to escape predation are more likely to survive and pass on their genes.
This leads to the evolution of better-adapted traits in the rodent population over time. The interaction between owls and rodents can also be considered an example of coevolution, as changes in one population can drive changes in the other population, leading to a reciprocal evolutionary response.
Overall, the relationship between predator and prey species is complex and constantly evolving, with each population influencing the other's evolution over time.
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Can someone help me, my paper is due tonight.
Describe solution concentration outside the cell in terms of hypotonic, hypertonic and isotonic.
Answers
Answer:
see below
Explanation:
Hypotonic solution is a very dilute solution to the more concentrated solution. Hypo means under . A solution with a lower concentration of solutes than the cytoplasm of a cell, that solution is hypotonic to the cytoplasm. The cell expands as water moves in.
Hypertonic solution is a more concentrated solution to cytoplasm. Hyper means above. A hypertonic solution has higher concentration of solutes than the cytoplasm of the cell. The cell shrinks as its cytoplasm loses water.
Isotonic solution is when two solutions of equal concentration are separated by a semi permeable. Iso means equal. Therefore, in isotonic solutions, water movement out of a cell balances the water movement into it. Cells in the body are usually surrounded by a fluid. The cytoplasm in the cell is usually isotonic to the fluid outside the cell. Hence, no net gain or loss of water by cells.
So, basically, if a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, there is no net water movement, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.
The use of marijuana while drinking alcohol
lowers the BAC of the driver causing some impairment of driving ability
does not affect driving ability
may affect driving ability if both substances are taken in abundance
impairs driving beyond that usually related to the BAC of alcohol
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What is the difference between the initial, or starting, position and the final position?
Answers
Over time, if drought conditions occur, what could happen to the number of birds with the spoon beaks in the population?
(a) increase
(b) decrease
(c) remain the same
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plssss help meee now asap giving brainless
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2. Gravitational attraction also decreases
3. Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.
4. Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.
Which of the following statements about metabolism is incorrect?
Select one:
a. Metabolism manages the utilization of materials and energy resources.
b. The uptake of water associated with the hydrolysis of biological ppolymers is part of metabolism.
c. Metabolism depends on a constant supply of energy.
d. None of these statements about metabolism is incorrect.
e. Metabolism is an emergent property of life at the level of organisms.
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Answer:
The correct answer is (e) None of these statements about metabolism is incorrect. Although chemical reactions take place outside of living organisms, regulated metabolic pathways are unique to living organisms. ... Finally, metabolism utilizes water to break bonds in macromolecules through a process known as hydrolysis.Which set of facts is true for vaccines?
They produce active immunity.
They are mostly targeted against bacteria.
They produce active immunity.
They are mostly targeted against viruses.
о
They produce passive immunity.
They are mostly targeted against bacteria.
O
They produce passive immunity.
They are mostly targeted against viruses.
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Explanation:
passive immunity, 4 viruses...
Please help me answer this I can´t remember the answer and can´t find the lesson
Answers
Answer
Neap Tide
Explanation:
I would say Neap tide because when the sun and moon are lined up a neap tide usually occurs.
4. If there is lot of water in the cooling magma what is the texture? Where might this happen?
Answers
Answer:
glassy texture
Explanation:
show that respiratory gaseous exchange in a rabbit occurs at the level of lungs
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No single animal model can reproduce all of the human features of both acute and chronic lung diseases. However, the rabbit is a reliable model and clinically relevant facsimile of human disease. The similarities between rabbits and humans in terms of airway anatomy and responses to inflammatory mediators highlight the value of this species in the investigation of lung disease pathophysiology and in the development of therapeutic agents. The inflammatory responses shown by the rabbit model, especially in the case of asthma, are comparable with those that occur in humans. The allergic rabbit model has been used extensively in drug screening tests, and this model and humans appear to be sensitive to similar drugs. In addition, recent studies have shown that the rabbit serves as a good platform for cell delivery for the purpose of stem-cell-based therapy.
and you dont have to do nothing there just for you know
What is the true nature of science?
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Answer:
Scientific Knowledge Is Based on Empirical Evidence; Scientific Knowledge Is Open to Revision in Light of New Evidence; Science Models, Laws, Mechanisms, and Theories Explain Natural Phenomena. Science Is a Human Endeavor; and. Science Addresses Questions About the Natural and Material World.
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