Answer:
A structure within a cell that performs a specific function is an organelle.
Explanation:
An organelle is a structure inside the cell that preforms functions that are necessary for the cell.
Examples of organelles are the ER, the Golgi Apparatus, and the Mitochondria.
Hope this helps.
A structure within a cell that performs a specific function is an organelle. An organelle is a subcomponent of a cell.
What are cell organelles?Cell organelles are the ultrastructure's present in the cell and they show division of labor.
These organelles perform specific function for the cell and thus constitute the framework of all living organisms.
The basic structure of cell contains a plasma membrane, nucleus and cytoplasm. However, ultra-microscopic structures are embedded in the cell cytoplasm and they are designated as organelles in a cell.
Endoplasmic reticulum, Golgi apparatus, mitochondria, ribosomes, microtubules, lysosomes etc. are the specialized organelles present in cell.
Each of these organelles perform specific function. For instance, mitochondria help in energy production, Golgi helps in protein modification and packaging.
Cell organelles are thus important structural and functional elements of a cell.
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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:
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:
Which of the following correctly organizes these genetic terms in order from smallest to largest?
chromosome, gene, nucleotide, DNA molecule
O nucleotide, gene, DNA molecule, chromosome
O DNA molecule, nucleotide, gene, chromosome
O DNA molecule, nucleotide, chromosome, gene
i believe that answer B. nucleotide, gene, DNA molecule, chromosome is correct :)
have a good day :D
Answer:
B
Explanation:
Lit
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.
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:
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:
Mark as brain list answer
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Which is an inherited trait?
O flavor of an apple from a particular tree
O hierarchical status of a wolf ina pack
O ability to ride a bike
O interest in starhp collecting
Answer:
A. flavor of an apple from a particular tree
Explanation:
edge
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.
Which type of transport requires input of energy from the cell?
How does the molecule marked C and D leave our body
Use the chart above to determine which substitution mutation has the potential to cause more damage? Highlight your answer. (2pts) a. Substitution of 3rd N-base to go from CAU to CAC b. Substitution of 3rd N-base to go from UGU to UGC c. Substitution of 3rd N-base to go from UCU to UUU 3. Explain WHY: (3pts)_________________________________________
Answer:
This question is incomplete
Explanation:
This question is incomplete because of the absence of the chart referred to in the question. However, what appears to be the case is that the three nitrogenous bases represent codons (and the missing chart is the codon chart). The mutation that has the potential to cause more damage will be the one that would change the amino acid formed from the codon change.
A. CAU to CAC: The codons CAU and CAC both form the amino acid histidine and thus is not expected to cause a major damage.
B. UGU to UGC: The codons UGU and UGC both form the amino acid cysteine and thus is not expected to cause a major damage.
C. UCU to UUU: Codon UCU forms the amino acid serine while the codon UUU forms the amino acid phenylalanine. Thus, this eventual change in the amino acid formed has the potential to cause a major damage and thus option C is the correct option.
NOTE that a codon is a sequence of three DNA/RNA nucleotides that corresponds to a single amino acid.
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.
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.
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:
If the mountain lion is removed from the food web. what will most like happen? A Nothing will happen in the food web B the robin population will increase C deer population will increase D fox population will increase
Answer:
C
Explanation:
I'm assuming that the mountain lion eats deer, so the deer population would increase if the lion population was removed. The population of whatever the lion eats would increase.
Answer:
D.) Deer population will increase
Explanation:
Because the lions wont eat the deer anymore
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:
Hi how are you doing today Jasmine
1 point
Earth's layers can be described by either chemical composition or by
physical properties. Going out from the center of the earth, the layers of
earth as described by their chemical composition are: *
Core, Mantle, Crust
Crust, Mantle, Core
O Inner Core, Outer Core, Mesosphere, Asthenosphere, Lithosphere
Answer:
Core, Mantle, Crust
Explanation:
The layers of the earth are the inner core, the outer core, the mantle, and the crust.
Bone deformities occur due to the excess intake of
A) Phosphore B) Potassium
C) Fatty acid D) Fluorine
Answer:
D) Fluorine
Hope this helps :)
Which is an example of osmosis?
The opossum, which is native to North America, and the kangaroo, which is native to Australia, are marsupials.
The fact that both these mammals incubate their immature offspring in a pouch provides evidence that they -
O are descended from a common ancestor
O belong to the same species
O must range great distances to eat
have very similar skeletal structures
Answer:
Belong to the same species
Explanation:
Marsupials carry their young in "pouches", and are therefore related to other marsupials, like the kangaroo, opossum, wombats, and koala to name a few.
The opossum is a native of North America as the kangaroo is a native to Australia and both of them are mammals thus boh belong to the same specie. Thus option B is correct.
What are mammals?A mammal is an animal that is warm-blooded and has hair, vertebrates, and backbone. These creatures share human relations and produce milk for their young ones. The kangaroo is like an opossum that is marsupials carry their young in "pouches".
Find out more information about mammals.
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How do cells, tissues, organs, and organ systems work
together in a multicellular organism?
Answer:
Key points. Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive. ... Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs.
Explanation:
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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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:
Which property of water allows for a balloon to NOT pop under a flame?
Answer:
The water absorbs the heat
Explanation:
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.
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
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).
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
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
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: