Answer:
Organisms that are more complex, such as eukaryotes, have cells that are specialized for specific functions. Gene regulation needs to be more complex to produce these specialized cells for complex organisms. Please Mark Me Brainliest
Explanation:
Which of the following best describes similarities between archae and eubacteria?
A) Both can undergo binary fission and are autotrophs.
B) Both are able to withstand extreme temperatures and lack of oxygen.
C) Both have single-stranded, helical DNA and cell walls.
D) Both lack membrane-bound organelles and are single-celled.
The answer would be A
Grey flies (G) are dominant over black flies (g). Which of the following is an example recessive genotype ?
1. Gg
2. grey flies
3. black flies
4. gg
5. GG
Answer: gg
Homozygous (same) Dominant:GG
Heterozygous (different):Gg
Homozygous Recessive:gg
The correct option is 4. gg.
In the given scenario, grey flies (G) are dominant over black flies (g). This means that the presence of at least one dominant allele (G) will result in the grey fly phenotype, while the recessive phenotype (black flies) will only be expressed when two recessive alleles (g) are present.
Let's examine the options:
1. Gg: This is a heterozygous genotype, which means the organism has one dominant allele (G) and one recessive allele (g). The dominant trait will be expressed, so this is not an example of a recessive genotype.
2. Grey flies: This option refers to the phenotype of the flies, not the genotype. Since grey is the dominant color, this does not indicate a recessive genotype.
3. Black flies: While this option refers to the recessive phenotype, it does not specify the genotype. Black flies can have either the gg (recessive) or Gg (heterozygous) genotype. Therefore, this is not necessarily an example of a recessive genotype.
4. gg: This is the homozygous recessive genotype. Both alleles are recessive (g), and as a result, the recessive trait (black flies) will be expressed. This is the correct example of a recessive genotype.
5. GG: This is the homozygous dominant genotype. Both alleles are dominant (G), and the dominant trait (grey flies) will be expressed. This is not an example of a recessive genotype.
Therefore, the genotype gg is the only option that represents a recessive genotype, as it consists of two recessive alleles, which will result in the expression of the recessive trait (black flies).
Which is most responsible for the decay of dead organisms?
A. Bacteria
B. Fossil fuel
C. Algae
D. Oil
Answer:
A) Bacteria
Explanation:
Final answer:
A. Bacteria are the primary agents responsible for the decay of dead organisms, breaking down organic material and recycling nutrients. Fossil fuels like coal, oil, and natural gas result from the ancient decomposition of organic matter over millions of years, not from the decay of recently deceased life.
Explanation:
The organisms most responsible for the decay of dead organisms are bacteria. These microorganisms play a crucial role in the breakdown of organic material, returning nutrients to the environment and allowing for the natural cycle of life to continue. While fossil fuels such as coal, oil, and natural gas are indeed the result of ancient organic matter decomposing under anoxic conditions, they are not responsible for the decay of recent dead organisms. Instead, these fossil fuels have taken millions of years to form due to the geological processes of compression and heating.
Bacteria are decomposers and are a vital part of the ecosystem, enabling decomposition by breaking down complex organic compounds into simpler substances. This process of decay happens relatively quickly in ecological terms and does not result in the creation of fossil fuels, which requires drastically longer timescales, specific conditions, and significant geological activity.
All life is made of cells, but all cells also have a shared history
Answer:Atoms
Explanation:
Which of these is considered a renewable resource?
A. gasoline
B. oil
C. uranium
D. water
Answer: uranium
Explanation:
Answer:
D. Water
Explanation:
Water is technically considered a renewable resource because it can be used over and over again and it has a rain cycle.
a gene cannot react chemically and form a trait without the proper
- molecule
-enzyme
-substrate
-chromosome
Answer: Enzyme.
Explanation: the absence of any of these essential enzymes will make it impossible for the gene to express the trait for which it is coded.
Answer:
Enzyme
Explanation:
As the seafloor spreads at an ocean ridge, basalts become normally or reversed magnetized depending on _______ at the time of their cooling.
• the age of the crust
• the temperature of the water
• the spreading rate
•the orientation of the magnetic field
Answer:
The orientation of the magnetic field
Explanation:
The earth's magnetic field is a region of magnetic force surrounding the earth. It is widely accepted that it originates from the motion of iron and nickel in the outer core.
The magnetic field of our earth has both North and South Pole. The North Pole is around the geographic north while the South Pole lies very close to the Geographic South.
From careful studies of sedimentary rocks and some igneous rocks, it has been observed that there has been changes in the magnetic field directions through geologic time. This change is based on the strength of the magnetic field.
We have a normal polarity when magnetic lines of force leaves the South and enters the North and it is reversed when the direction changes.
Some magnetic minerals like magnetite in rocks would align their magnetic domains as they crystallise out of magma to the prevailing magnetic field of the earth. When the Curie temperature is reached, the alignment stops and the domains have been aligned.
For a magma that crystallise when the polarity was normal, the magnetic minerals will bear the records. When the polarity reverses in the presence of crystallising magnetic minerals, the record is also taken.
Daffodils are able to reproduce sexually, using its seeds, and asexually, using its bulb. What is a potential consequence of reproducing asexually?
A.
Over time, the daffodil population will have increased mutations because of decreased genetic variation.
B.
Over time, the daffodil population will have a lower chance of being eaten by a consumer because of increased genetic variation.
C.
Over time, the daffodil population will have a lower chance of surviving in a changing climate because of increased genetic variation.
D.
Over time, the daffodil population will have a lower chance of surviving a new disease introduced to the ecosystem because of decreased genetic variation.
D. Over time, the daffodil population will have a lower chance of surviving a new diseases introduced to the ecosystem because of decreased generic variation.
Over time, the daffodil population will have a lower chance of surviving a new disease introduced to the ecosystem because of decreased genetic variation.
Answer: Option D
Explanation:
Daffodils are able to reproduce sexually, using its seeds, and asexually, using its bulb. Over the time the potential consequence of reproducing asexually is that , the daffodil population will have a lower chance of surviving a new disease introduced to the ecosystem because of decreased genetic variation.
The genetic variation caused due to sexual reproduction induces mutations that help the organism to survive through extreme conditions , whereas when the organism keeps reproducing asexually it does not have any genetic variation and thereby the survival rate becomes minimal.
Which mineral scratches Dolomite and is scratched by Olivine?
1.Galena
2.Quartz
3.Potassium Feldspar
4.Muscovite Mica
Please answer!! 10 points!!
Answer:
Option (3)
Explanation:
The above-given question is based on the Mohr's hardness scale, which shows the hardness of the minerals ranging from 1 to 10, where the mineral with hardness 1 is Talc which is a soft mineral, and 10 is Diamond which is the hardest of all the minerals.
Dolomite is a mineral which has a hardness of about 3.5 to 4Olivine is another mineral with hardness 6.5 to 7Galena has a hardness of 2.5 or slightly more than that.Quartz has a hardness of 7Potassium feldspar has a hardness of 6 to 6.5Muscovite mica has a hardness of 2-2.5So from the above data, we can conclude that Potassium feldspar is the mineral which can scratch the surface of a Dolomite mineral and is scratched by Olivine, because its hardness (6-6.5) is more than Dolomite (3.5-4) but lesser than that of Olivine (6.5-7).
Thus, the correct answer is option (3).
By using the Mohs Hardness Scale, we can determine that Quartz is the mineral that can scratch Dolomite and be scratched by Olivine. It has a hardness of 7 while Dolomite and Olivine have respective hardnesses of 3.5-4 and 6.5-7.
Explanation:The mineral that scratches Dolomite and is scratched by Olivine is Quartz. This is determined by the Mohs Hardness Scale, a relative scale that gauges a mineral's resistance to scratching. On this scale, Quartz has a hardness of 7, Dolomite has a hardness of 3.5-4, and Olivine has a hardness of 6.5-7. Therefore, Quartz, being harder than Dolomite, can scratch it, but being softer than Olivine, can be scratched by it.
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which of these is an example of bioaccumulation?
a. an increased growth in microorganisms results in oxygen depletion .
b. the mercury contained in fish builds up on animals that eat the fish.
c. there are millions of cholera cases per year due to contaminated water.
d. materials that contain metal are toxic to organisms that live in them.
An example of bioaccumulation is b. the mercury contained in fish builds up on animals that eat the fish. This is because bioaccumulation is defined as a steady build up over time of a chemical in a living organism.
In the example, mercury is the chemical that builds up on animals that would eat the contaminated fish.
Answer:
B.
Explanation:
match the word to its definition
Answer:
Coal goes under number 4
and Oil goes under number 1
Which statement correctly describes the difference between cellular respiration and photosynthesis
Answer:s
Explanation:
Which of the following are examples of exocytosis?
Exocytosis is basically when your vesicles transport materials out of a cell.
Once the neurotransmitters are synthesised and packaged into vesicles, they are transported until the vesicles reach the cell membrane. Then the 2 bilayers rearrange themselves so that the vesicles are able to fuse with the membrane . Once that occurs, the neurotransmitters will spill out whatever it was carrying.
Two examples of exocytosis are
1) your nerve cells releasing transmitters (explained in the description above)
2)your T cells sending vesicles filled with enzymes to viral infected cells
Exocytosis is a biological process used by cells to expel materials to the exterior. Examples of exocytosis include secretion of neurotransmitters in neurons, secretion of digestive enzymes in stomach and pancreatic cells, hormone release in endocrine cells, and histamine release in immune cells.
Explanation:Exocytosis is a process within the cell that allows it to expel certain materials, moving them from inside the cell to the exterior, or extracellular fluid. This usually involves enveloping these materials into vesicles, which are small, membrane-bound structures within the cell. This vesicle then fuses with the cell's plasma membrane and releases its contents to the outside.
Some examples of exocytosis include the secretion of neurotransmitters at synapses between neurons, where vesicles containing these neurotransmitters fuse with the cell membrane and release their chemical contents to the exterior. This process is critical to the functioning of the nervous system.
Furthermore, our bodies utilize exocytosis in the digestive system as well. Cells of the stomach and pancreas produce and secrete digestive enzymes through this process. Similarly, endocrine cells produce and secrete hormones that are transported throughout the body, and certain immune cells generate large quantities of histamine, a chemical used for immune responses - both examples of exocytosis.
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Pleaseeee help me! :)
The peripheral nervous system is the part of the nervous system that consists of the nerves and ganglia on the outside of the brain and spinal cord. So I'm guessing the answer is B
I believe that the answer is B
How are photosynthesis and cellular respiration related? A. They are both used during fermentation. B. One forms glucose and the other breaks it down. C. Both processes require an input of sunlight. D. They are both ways of forming glucose molecules
Answer:
B
Explanation:
https://youtu.be/xmfhKbmQhq0
Photosynthesis vs. Cellular Respiration Comparison
On a branching chart showing the evolution of species over time, what does each branch
represent?
Answer
The branching pattern indicates how species evolved from a sequence of common ancestors. The tip of each line or branch indicates a separate species.
Explanation:
If the mRNA reads AGC, what will be the tRNA anticodon?
Answer:
UGC
Explanation:
In RNA, Uracil (instead of Thiamine as is the case with DNA) pairs with Adenine. Cytosine pairs with Guanine like in DNA. The anticodon in tRNA is used to 'detect' the codon in mRNA and therefore bring in the requisite amino acid in the translation complex during translation.
What Latin word related to clouds means “wispy”?
Answer:
cirrus
Explanation:
cirrus means curl in latin and these kind of clouds look like wisps of hair
Final answer:
The Latin word that means 'wispy' and is related to clouds is 'cirrus,' which refers to thin, ice-crystal clouds often seen high in the troposphere with a feathery appearance.
Explanation:
The Latin word related to clouds that means “wispy” is cirrus. Derived from the Latin word for a curl of hair or ringlet, cirrus clouds are characterized by their thin, feather-like appearance. They are usually found high in the troposphere and composed mostly of ice crystals. When viewed in the sky, these clouds can be identified by their wispy strands that are sometimes stretched across the sky by high-altitude winds, giving them a fibrous look that may curve at the ends, akin to a horse's tail.
Can somebody come thru with the answer?
Do you need an answer to all of the questions?
Answer:
Do you need answer for all of them?
Explanation:
Which is NOT found in a prokaryotic cell?
a
Cell membrane
b
Cell wall
c
Cytoplasm
d
Nucleus
Answer:
D: Nucleus
Explanation:
Prokaryotic cells contain a cell membrane, a cell wall, and cytoplasm. However, they do not have a nucleus. Eukaryotic cells have a nucleus.
Which of the following is not a source of carbon for the carbon cycle? (a) shells of marine organisms (b) oil (c) detritus (d) fertilizer
The source not involved in the carbon cycle is (d) fertilizer. The carbon cycle includes proteins like oil, shells of marine organisms and detritus, but fertilizer aids in soil nutrient content and not the carbon cycle directly.
Explanation:The source that is not part of the carbon cycle is (d) fertilizer. The carbon cycle includes the processes by which carbon circulates among the earth's air, oceans, and land. It is exchanged via biological processes like respiration, decay of organisms, and ocean-atmosphere exchange.
Shells of marine organisms (a), oil (b), and detritus (c) are sources of carbon in the carbon cycle. The shells of marine organisms contain calcium carbonate which decomposes after their death to release carbon. Oil is a fossil fuel formed from ancient plants and animals, and thus a carbon source. Detritus, dead plant and animal matter, decomposes, releasing carbon back into the soil.
(d) Fertilizer does not contribute to the carbon cycle directly. It's used to increase the fertility of the soil by enhancing its nutrient content, not contributing to the carbon cycle itself.
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All the given options except fertilizers contribute to the carbon cycle. Shells of marine organisms, oil, and detritus are all sources of carbon, but fertilizers, which are rich in nitrogen, phosphorus, and potassium, do not contribute directly to the carbon cycle. Therefore, the answer is (d) fertilizer.
Explanation:In the carbon cycle, carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere. Carbon is found in various sources such as the shells of marine organisms (a), oil (b), and detritus (c). These sources contribute to the bioavailable carbon, which is ready to be incorporated into biological macromolecules.
Shells of marine organisms contain calcium carbonate, which is a source of carbon. Oil and detritus are also rich sources of carbon. These, when decomposed or combusted, release the carbon into the atmosphere. This carbon is taken up by plants and used for photosynthesis, contributing to the carbon cycle.
However, fertilizers (d) are not a source of carbon for the carbon cycle. Fertilizers are typically rich in nitrogen, phosphorus, and potassium and are used to increase the fertility of soil; they do not contribute directly to the carbon cycle. Therefore, the answer is (d) fertilizer.
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The vascular cambium _____.
is part of a plant's secondary growth
produces secondary phloem and xylem tissue
increases in ring size each year
all of the above
a layer of cells in a plant stem from which new tissue grows
Answer: Option B.
Explanation:
The vascular cambium is referred as the main part of the dicot and gymnosperm plant.
Vascular cambium helps in producing secondary xylem and phloem. Xylem is produced inwards, towards the pith and phloem is produced outwards, towards the bark.
Vascular cambium do not support transport water, minerals or food through the plant and also known as main cambium, bifacial cambium, and wood cambium.
Vascular cambium are found in dicots and gymnosperms and not in monocots so it lack secondary growth.
Hence, the correct option is B.
Which of the following is NOT a way that water is used in a nuclear power station?
question options;
a) Running water cools the rotating turbines.
b) Water cools the steam in the turbine chamber.
c) Steam makes the turbines rotate.
d) Water is changed to steam by heat released by the reactor core.
Answer:
A) Running water cools the rotating turbines.
What is a habitat ???
Answer:
the natural home or environment of an animal, plant, or other organism.
Explanation: An easy to remember the definition is to think of where you live and relate that to animals.
what is a tradition held by a society called
Answer:
Custom, Cultural Practice, Festival, Fiesta, Anniversary, ...
Any of these. Choose one!
Hope this helps!!!
[tex]Sofia[/tex]
Traditional society is called as the tradition held by a society called as traditional effects on the society.
What are the importance of the tradition ?
Tradition contributes a feel of consolation and belonging. It brings households collectively and allows humans to reconnect with friends. Tradition reinforces values consisting of freedom, faith, integrity, an excellent education, private responsibility, a robust paintings ethic, and the fee of being selfless.
A subculture is a notion or behavior (peoples custom) exceeded down inside a collection or society with symbolic that means or unique importance with origins withinside the past. sociology, conventional society refers to a society characterised through an orientation to the past, now no longer the future, with a essential function for custom and habit.
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What conclusion does the fossil record support
Species have changed over time
The answer is species have changed over time
cells from a blank organism cannot survive independently
Answer:
This is because these individual cells can independently carry out all the functions ... Moreover, individual cells of multicellular organisms cannot carry out all the ... vessels etc) that carry out different functions for the survival of the organism.
Explanation:
I am the answer giver and this is your answer.
What is the impact of using renewable energy from a global stance?
Less carbon dioxide in the air which decreases global warming.
Adaptions and variations show evidence of past ____.
A) Fossils
B) Evolution
C) Diversity
D) Offspring
Answer:
C. Diversity
Explanation: Hope this helps
A synonym for the word careens in paragraph 3 is
A) drifts.
B) creeps.
C) speeds.
D) splashes.
Answer:
speeds C
Hope This Helps! Have A Nice Day!!
Answer:
Option C, speed
Explanation:
Careen means moving swiftly and uncontrollably in any direction. Drifting means moving slowly from one place to other. Speed in technical term signifies the rate at which a movement is being carried or in other word it signifies the movement of an object rapidly in any direction. Splashes means to strike or hit something.
Thus, out of all the given option the one which closely resembles the meaning of careens is option C speed