Donald is trying to get through a door but his friend Goofy is blocking the way using 15 N of force. Donald finally pushes on the door with 20 N and gets through knocking Goofy out of the way. Solve for net force.
Answer:
5 N
Explanation:
Goofy is blocking the way with 15 N force and Donald was only able to knock Goofy off using a 20 N force. The net force would be the difference between the applied force of Donald and that of Goofy.
Hence,
20 N - 15 N = 5 N
The net force is, therefore, 5 N.
HELP
What is a hydrogen bond?
Answer:
A hydrogen bond is a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
A segment of DNA is represented in the illustration.
Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code
Explanation:
As a sequence of nucleotides it is the information for a specific protein carried on the DNA molecule. The correct option is A.
What is nucleotide sequence?The most fundamental understanding of a gene or genome is its nucleotide sequence.
Without having this information, no understanding of how genes function or how evolution works would be complete. It is the blueprint that carries the instructions for developing an organism.
The four nucleotides that make up DNA are adenine (A), thymine (T), guanine (G), and cytosine (C) (C).
The two DNA strands are connected by base pairs, which are formed when the nucleotides (A with T and G with C) bind to one another.
It is the data for a particular protein contained on the DNA molecule as a sequence of nucleotides.
Thus, the correct option is A.
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Your question seems incomplete, the complete question is:
A segment of DNA is represented in the illustration. How is information for a specific protein carried on the DNA molecule?
answer choices
As a sequence of nucleotides
In the double-helix shape of the condensed chromosome
In the ratio of adenines to thymines
As a pattern of phosphates and sugars
Bone deformities occur due to the excess intake of
A) Phosphore B) Potassium
C) Fatty acid D) Fluorine
Answer:
D) Fluorine
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What is the sentence of pluripotent?
The interaction between genes and development in behavior is known as:
A. extrinsic-intrinsic
B. Nature-nurture
C. gene environment
D. Developmental interaction
Answer:
B. Nature-nurture
Explanation:
genes = nature
development = nurture
What does the presence of new rock near an oceanic ridge indicate?
A: There is always a deep-sea trench underneath
B: There is evidence of seafloor spreading
C: They are made from oceanic crust
D: They have iron oriented in different directions
Answer:
This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.
Answer:
Its A
Explanation:
im doing the test
A cross between organisms with two different phenotypes produces offspring with a third phenotype in which both of the parental traits appear together.
Answer:
With codominance, a cross between organisms with two different phenotypes produces offspring with a third phenotype in which both of the parental traits appear together. This statement is true.
Answer:
Co-dominant trait
Explanation:
For the Usa test prep
Question 14 of 25
Use the word bank below to answer the questions that follow:
landfills limiting factor nonpoint source
habitat destruction
stop
migration biodiversity carbon dioxide
reverse
carrying capacity commensalism selective cutting
extinction adaptation ozone layer population density
nonpoint source
succession fossil fuel ecological footprint
symbiosis point source competition cost-benefit
Fill in the Blank
If a forest ecosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem disappear. Their loss is due to
Answer:
habitat destruction
Explanation:
A forest ecosystem offers a variety of ecosystem services and functions. Prominent among the services offered include habitats to a variety of fauna, watershed protection, carbon sequestration, etc.
When the trees in a forest are removed by clear-cutting, some of the services and functions specific to the tree layers cease. The various habitats provided are destroyed and the organisms that live in these habitats disappear.
Hence, if a forest ecosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem disappear. Their loss is due to habitat destruction.
Answer:
Habitat destruction
Explanation:
Why do temperatures differ between air, land, and water?
(science btw)
Answer:
The ocean water isn't moving into or through the atmosphere as a result of the sun's heating of the water, convection isn't the process influencing air and water temperature difference. The heat of the ocean is being given off radiated into the air, as a result making the air substantially warmer
Explanation:
Which of these was not characteristic of the first cells on earth
Answer:
Can you elaborate and I will be happy to get back to you with a response after!
Explanation:
please help me if you only know
Answer:
(1) Translation begins when a ribosome (gray) docks on a start codon (red) of an mRNA molecule in the cytoplasm. (2) Next, tRNA molecules attached to amino acids (spheres) dock at the corresponding triplet codon sequence on the mRNA molecule.
Explanation:
1st one.
Answer:
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What is the sentence stem cell?
Answer:
Sentences Mobile
Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.
Explanation:
Sentences Mobile
Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.
What is one way people have negatively affected land resources?
A) Habitat restoration
B) Urbanization
C) Terrace farming
D) Reforestation
Answer:
b
Explanation:
Urbanization is one way people have negatively affected land resources. Therefore, the correct option is B.
What is Urbanization?The process of urbanization occurs when the percentage of a country's population living in urban areas increases. This is a result of rural-urban migration, which occurs when people move from rural to urban areas in search of better job prospects, social services, and living standards. Urbanization has both beneficial and harmful effects on the environment and society.
On the plus side, urbanization can promote economic growth, better infrastructure, and greater access to social services, including healthcare, education, and social assistance. Additionally, it helps reduce stress on rural communities, which may experience issues of resource scarcity, resource overabundance, and environmental degradation.
Therefore, the correct option is B.
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what would happen to the concentrations of pyruvate, NADH and intermembrane H* if the Krebs Cycle stopped working
Answer:
pyruvate - increase
NADH and intermembrane H* - decrease
Explanation:
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An organ system is made up of similar cells that work together to perform a specialized function. (True or False)
Answer:
True
Explanation:
FLVS answer ur welcome
Answer:
true
Explanation:
10. DNA and RNA are examples of which Biomolecule? *
Carbohydrates
Protein
Lipids
Nucleic Acid
Answer:
option D - Nucleic acid
Explanation:
Nucleic acids, macromolecules made out of units called nucleotides, come in two naturally occurring varieties: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
How does the molecule marked C and D leave our body
Will the middle one shrink swell or neither and the same with the one on the right
Answer:
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What term best describes the tail end of a phospholipid?
Answer:
The tail of the phospholipid is hydrophobic because it is composed of carbon and hydrogen atoms.
Explanation:
part of the plant where photosynthesis generally occur
If transpiration didn't take place, would water be able to enter the roots of the plant? Explain your reasoning
Answer:
If the process of transpiration stops in plants, then the excess water inside the plants will not be able to come out.the plants will burst due to the presence of excess of water inside them.
Explanation:
the answer is with explaination
Nerves cross over from the left to the right side of the brain and vice versa in the what ?
Answer: The left side of the body crosses over to the right side of the brain and information from the right side of the body crosses over to the left side of the brain. Therefore, damage to one side of the brain will affect the opposite side of the body.
Explanation:
Mistletoe is a green plant that can make its own food, but also derives food from the mesquite tree on which it lives. In this way mistletoe is able to steal water and valuable minerals from the tree. 1. What is the advantage and disadvantage of this relationship to each organism? 2. What would happen to the mistletoe population if mesquite trees increase in number? 3. What type of symbiosis is this?
Answer:
1. Mistletoe is parasitic to the mesquite tree, it steals from the tree without giving anything valuable back to it. In this case, only the mistletoe gains an advantage.
2. If the mistletoe population on the tree were to increase, the mistletoe would probably end up slowly killing the tree. I say this because its a parasite to the tree. Its constantly stealing water and valuable minerals that it needs and doesnt give back anything that could help the tree. With all the water and minerals being stolen and an uneven rate with no way for the tree to replenish it all quickly enough it'll die.
3. Its parasitic since the mistletoe just takes and takes harmfully
Mistletoe plant is a parasite on the mesquite tree as it takes all the valuable minerals and water from the plant and does not give anything valuable in return to the mesquite tree.
What is Mistletoe plant?
Mistletoe plant is a parasite on the mesquite tree, it steals water from the tree without giving anything valuable back to it. In this case, only the mistletoe gains an advantage.
If the mistletoe population were to increase on the tree, the mistletoe plant would probably end up killing the mesquite tree. This is because it is a parasite to the tree. It is constantly stealing water and valuable minerals from the tree which it needs and doesn't give back anything valuable that could help the tree.
It is a parasite plant since the mistletoe plant just takes all the valuable minerals and water from the tree and thus is harmful.
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Homeostasis is the regulation and maintenance of a stable internal environment of an organism to support life at the cellular level. (True or False)
Answer:
True
Explanation:
It is a little misleading but ultimately correct. Homeostasis is maintaining a stable internal environment despite changing external conditions.
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Answer: C
Explanation:
complete mitosis in shorter time
What do scientists need to extract the DNA from? How much DNA is there?
Answer:
DNA extraction is a routine procedure used to isolate DNA from the nucleus of cells. When an ice-cold alcohol is added to a solution of DNA, the DNA precipitates out of solution. If there is enough DNA in the solution, you will see a stringy white mass.
Explanation:
Turn to the back of your worksheet to answer the rest of the questions. 1. How are igneous rocks formed? Group of answer choices weathering and erosion into sediments, then deposition and lithification rocks get buried deep in the earth where they melt and then cool rocks are under heat and pressure so they can change rock is split into larger pieces and then dissolves in water where it hardens into rock
Answer and Explanation:
Igneous rocks form most of the earth´s crust. They are the result of the solidification of rocky, molten material, the magma. Rocks are melt in the interior of the earth´s crust or in the mantle, and then, as they are less dense than the other rocks, tend to ascend toward the surface. As they ascend, they get cold and solidify.
There are two kinds of igneous rocks, according to the moment of solidification. Extrusive igneous rocks are the ones formed when the molted material gets to get to the earth´s surface and crystalize there. Intrusive rocks get formed when the magma loses its motility before reaching the surface, ending by crystalizing in the deepness.
What is the role of cellular respiration in plants?
A.To produce ATP
B.To absorb carbon dioxide
C.To release oxygen
D.To form glucose
Answer:
To produce ATP
Explanation:
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