The cells in red bone marrow that produce blood platelets are called megakaryocytes, which can be
loosely translated as big nucleus cells. These cells continue to move through the cell cycle, but they
skip mitosis and cytokinesis. Review the steps of the cell cycle. What do you think the result of this
modified cell cycle would be?
Answers
Answer:
Limits platelets population.
Explanation:
The result of this modified cell cycle would be the presence of limited population of this cell because no mitosis occurs in these cells. Mitosis is a type of cell division that increases population of the cells. These megakaryocytes are changed into platelets by releasing protoplatelets that break up into a number of smaller and functional platelets. These platelets skip mitosis and cytokinesis process which limits their population in the body.
Related Questions
Prokaryotic reproduce by a process called __
Answers
Answer:
binary fission
Explanation:
This phase of matter changes shape but does not fill the entire container.
Answers
Answer:
it is liquid…………………..
Using complete sentences, write a paragraph to explain why invasive species are harmful for the ecosystems they invade. HELPPP
Answers
Answer:
Say some stuff like, they take all the sunlight, and water (plants). They make it hard to live for natural species. If lots of invasive animals come there might not be enough food (animals). They might upset the balance or the circle of life.
Explanation:
What would happen if sex cells underwent mitosis instead of meiosis
Answers
Answer:
If gametes (sperm and egg) were made by mitosis, then they would be diploid. ... A tetraploid zygote is not viable and will most likely miscarriage.
Explanation:
It took 80,000 generations for people to utilize advanced tools such as spears and bows and
arrows. It took less than two generations for everyone to become proficient on the internet.
How can we account for this?
Answers
Answer:
Explanation:
Means to communicate accumulated knowledge from previous generations increases the speed that we can learn new things ✔ this is the correct answer I got it right on my Homework. Answer
lactose tolerance is a phenotypic trait that has been under recent positive selection in human populations, specifically in livestock farmers from northern europeans, and middle-eastern and african populations. based on this evidence, which statement is correct? group of answer choices lactose tolerance is an example of gene-culture coevolution lactose tolerance makes undesirable traits less fit human traits are always under positive selection all of the above are correct
Answers
Based on this evidence of Lactose tolerance is a phenotypic trait positive selection in human populations statement is correct is Lactose tolerance is an example of gene-culture coevolution.
It should read, "Lactose tolerance is an example of gene-culture coevolution." This is so because cultures that consumed dairy products had a selection advantage if they could digest lactose into adulthood, a feature that emerged as a result of the cultural practise of dairy farming.
A character state, phenotypic characteristic, or simply trait is a unique variation of a phenotypic trait that can be inherited or acquired by environmental factors, but it usually results from a mix of the two. For instance, an organism's eye colour is a trait, but eye colours like blue, brown, and hazel are characteristics. Generally speaking, the word "trait" refers to the phenotypic manifestation of various allele combinations in various individual organisms within a single population, such as the well-known purple vs. white blossom colours in Gregor Mendel's pea plants.
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Complete question:
Lactose tolerance is a phenotypic trait that has been under recent positive selection in human populations, specifically in livestock farmers from northern Europeans, and Middle-Eastern and African populations. Based on this evidence, which statement is correct?
a. Lactose tolerance is an example of gene-culture coevolution
b. Positive selection makes undesirable traits less fit
c. Human traits are always under positive selection
d. All of the above are correct
what is blood circulation?
Answers
Answer:
blood circulation is where blood circulate.
Explanation:
In this procees the heart purifies the blood, then oxygen is dissloved in blood
it takes oxygen to all over our body.
exocytosis is a type of cellular transport that allows materials to move across the plasma membrane of a cell. which of the statements describe properties of exocytosis?
Answers
Exocytosis is a cellular transport process that involves the release of materials from a cell by fusing membrane-bound vesicles with the plasma membrane.
Here are some properties of exocytosis:
1. Energy Requirement. Exocytosis requires energy in the form of ATP (adenosine triphosphate) to power the fusion of vesicles with the plasma membrane. 2. Vesicle Formation. Before exocytosis can occur, the materials to be transported are packaged into vesicles within the cell. These vesicles are formed by the Golgi apparatus or endoplasmic reticulum. 3. Targeted Delivery. Exocytosis allows specific materials, such as proteins, neurotransmitters, or hormones, to be transported to their intended destinations. Each vesicle carries specific cargo molecules that are released at the precise location where they are needed. 4. Bulk Secretion. Exocytosis can also be used for bulk secretion, where large amounts of materials are released from the cell simultaneously. For example, in gland cells, exocytosis helps in the secretion of hormones or digestive enzymes. 5. Recycling of Membrane. During exocytosis, the membrane of the vesicle fuses with the plasma membrane, thereby adding new lipids and proteins to the cell membrane. This fusion helps in maintaining the size and integrity of the plasma membrane. 6. Regulation. Exocytosis is a regulated process, meaning it can be controlled by various signals. For example, nerve cells use exocytosis to release neurotransmitters in response to a stimulus, allowing communication between neurons. To summarize, exocytosis is a cellular transport process that requires energy, involves vesicle formation and targeted delivery, can be used for bulk secretion, recycles membrane, and is regulated by signals.About ExocytosisExocytosis is a mechanism for transporting large molecules such as proteins and polysaccharides across the plasma membrane from inside to outside of the cell by fusing the vesicles containing these molecules with the plasma membrane. Transport vesicles that leave the Golgi apparatus are transferred by the cytoskeleton to the plasma membrane. The process of exocytosis occurs when the cell secretes certain molecules through the fusion of vesicles with the plasma membrane. When the vesicle membrane and plasma membrane come into contact, a specific protein regulates the lipid molecules, so that the two fuse together. Many processes that take place to keep the body healthy and functioning are carried out at the cellular level, one of which is exocytosis. Cells carry out exocytosis to expel solids or liquids through the membrane.
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what is the net total of ATP produced by eukaryotic and prokaryotic cells
Answers
Answer:
In the eukaryotic ell, the aerobic respiration occurs in mitochondria as well as the cytoplasm. The Electron Transport Chain (ETC) that yields the maximum ATPs is located in the inner membrane of the mitochondria. So, the NADH made during the glycolysis in cytoplasm have to be transferred to the mitochondria using the shuttle system and for this, 2 ATPs are consumed. However, in the bacterial cell, since there is no mitochondria, the whole process of respiration occurs within the cytoplasm so no ATP is consumed in transporting across the organelle. Therefore, 38 ATPs are made form one glucose in bacteria while 36 are made in an eukaryotic cell.
Hence, the correct answer is '38'
Explanation: here is the answer hope it helps you please make me the brainliest
⦁ The interaction between worms and lima beans is called?
⦁ Why is the interdependence of the worms and plants a good example of commensalism? PLEASE HELP ME!!!!!
Answers
2. In commensalism, one organism benefits, and the other neither benefits nor is harmed. In this case, plants benefited and worms seemed neither to benefit nor be harmed
Source:
Brainly
Answer:
In commensalism, one organism benefits, and the other neither benefits nor is harmed. In this case, plants benefited, and worms seemed neither to benefit nor be harmed.
include the following options
the definition of commensalism
the benefits to the plants from the worms
the lack of observed harm to the worms
the lack of observed benefit to the worms
Explanation:
please give brainliest
Someone please answer I really need help!
Answers
Answer: ash is one of them
Explanation:
PLEASE HELP DUE RIGHT NOW
Answers
Answer:
Its either A or C
Explanation:
Which direction is the river flowing?
Answers
Answer:
West
Explanation:
Many foods, for example, bacon and salt cod, are preserved with high concentrations of salt applied to the outside of the meat. how can high concentrations of salt inhibit the growth of bacteria?
Answers
High concentrations of salt can inhibit the growth of bacteria by causing the bacteria to shrink because water leaves the bacterial cell.
What is a Hypertonic solution?This is defined as a type of solution which has a large amount of particles which are dissolved thereby making it have a high concentration.
High concentrations of salt applied to the outside of the meat means it is hypertonic and therefore causes the bacteria to shrink because water molecule leaves the cells thereby destroying their structure preventing metabolic reactions from occurring which leads to their death.
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(c) Joseph puts a small amount of water into a flat dish in Diagram 1.
Diagram 1
He then leaves the dish outside in the warm sunshine. After a while the water disappears. Explain what happens to the water particles.
Answers
Highlight
Which level of organization contains all other levels?
O Tissues
O An Organism
O Cells
O Organ System
O Organ
ARDEA
1957
WENDY
Answers
Answer: An Organism
Explanation: A tissue is a group of similar cells.An organ is a structure comprised of two or more tissues.Two or more organs like stomach ,intestine that work together to perform a specific function are the organ systems.And different organ systems make up an individual.
Study the model of the water cycle.
Water in clouds
Water in plants
B
Water in the
ground, or
groundwater
D
Water in lakes
and other
surface water
Water as
snow and ice
Water in
the air
C
Water in
the ocean
Which letter shows one way gravity moves water
through the water cycle?
ΟΑ
OB
OD
Answers
Explanation:
sssssszxxdt frfedddsssswwd
The peppered moth population in England changed in response to darkening forests due to air pollution during the Industrial Age. Dark-colored moths became much more common, a characteristic that helped camouflage them on dark trees which, prior to the industrialization of England, were light in color. Which is the most likely reason that dark coloration became more common in peppered moths populations?
Question 1 options:
Nature selected for the more fit dark-colored peppered months in the new environment.
The original peppered moths stopped reproducing.
The pollution in the air settled on the peppered moths' wings, causing discoloration.
Dark coloration is a dominant trait, making it more likely to be passed on to the next generation.
Answers
As a result of natural selection, the dark-coloured moths were favoured over the light-coloured moths therefore the light-coloured moths died out and didn't have the chance to reproduce while the dark-coloured moths thrived, allowing them to pass on their genes to the next generation of peppered moths.
The correct answer is the first option.
A sequence of dna that codes for a specific, detectable product, such as a protein or rna is called a
Answers
Gene is a sequence of DNA that codes for a specific, detectable product, such as a protein.
What is a Gene?
This is defined as the basic physical and functional unit of heredity and occupy a fixed position on a chromosome.
It is also the sequence of DNA that codes for a specific, detectable product, such as a protein or RNA.
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A sequence of DNA that codes for a specific, detectable product, such as a protein or RNA is called a Gene.
What do you mean by RNA?RNA may be defined as a single-stranded molecule that has a shorter chain of nucleotides that carries genetic information that is translated by ribosomes into various proteins necessary for cellular processes.
Gene is the sequence or stretch of the DNA which carries genetic information. It is the nucleotide sequence that can synthesize functional proteins or enzymes.
Therefore, a sequence of DNA that codes for a specific, detectable product, such as a protein or RNA is called a Gene.
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Which is contraindicated in a patient with hyperkalemia?
a) acetazolamide.
b) ethacrynic acid.
c) chlorthalidone.
d) spironolactone.
e) chlorothiazide.
Answers
Answer:
e
Explanation:
because it is health ............
Why is the cheetah gene pool small today?
Answers
When a natural disaster dropped their total world population down to less than seven individual cheetahs.
What two features do biogeochemical cycles have in common.
Answers
Answer:
The same atoms are recycled over and over in different parts of the Earth. This type of cycle of atoms between living and non-living things is known as a biogeochemical cycle. All of the atoms that are building blocks of living things are a part of biogeochemical cycles.
Explanation:The same atoms are recycled over and over in different parts of the Earth. This type of cycle of atoms between living and non-living things is known as a biogeochemical cycle. All of the atoms that are building blocks of living things are a part of biogeochemical cycles.
After soaking in the vinegar, the egg’s exterior is soft and flexible. The egg is translucent, and the yolk can easily be seen using a flashlight, as shown in the image on the right. Part A: What animal cell organelles are represented well in Makena’s model?
Answers
Answer:
Cell membrane/plasma membrane;
Nucleus;
Cytoplasm
Explanation:
Makena's model is synonymous with that of an animal cell.
The soft flexible putter layer of the egg can be likened to the cell membrane of an animal cell. Cell membrane, also called plasma membrane, just like the soft and flexible exterior of the egg, is a semi-permeable that serves as a barrier between the external environment of the cell and it's inner environment. It controls what goes in and out of the cell, as well as help in the selectively exchange of ions and molecules, in and out of the cell.
The yolk in Makena's model represents the nucleus of an animal cell.
Also, the surrounding area between the yolk and the exterior of the egg, represents the cytoplasm found in animal cells. The cytoplasm is filled with fluids and surrounds the nucleus.
Answer:
The animal cell organelles that are represented are.
Cell membrane/plasma membrane
Nucleus
Cytoplasm
I hope this helps
the translation process in eukaryotes requires ________
Answers
The translation process in eukaryotes requires mRNA, ribosomes, Transfer RNA, amino acids, and Initiation, elongation, and termination factors.
The translation process in eukaryotes requires several components and processes to occur accurately and efficiently. These include:
1. mRNA: The messenger RNA carries the genetic information from the DNA in the nucleus to the ribosomes, where translation occurs. It contains the codons that specify the sequence of amino acids in the protein.
2. Ribosomes: Ribosomes are the cellular structures responsible for protein synthesis. They consist of large and small subunits that come together to form a functional ribosome complex.
3. Transfer RNA (tRNA): tRNA molecules are responsible for carrying amino acids to the ribosome during translation. Each tRNA molecule contains an anticodon that matches with the codon on the mRNA, ensuring the correct amino acid is added to the growing protein chain.
4. Amino acids: The building blocks of proteins, amino acids are brought to the ribosome by tRNA molecules and are linked together to form the protein chain.
5. Initiation, elongation, and termination factors: These factors assist in different stages of the translation process, including initiation, elongation of the polypeptide chain, and termination of translation.
During translation, the ribosome reads the mRNA sequence and matches it with the appropriate tRNA molecules carrying the corresponding amino acids.
As the ribosome moves along the mRNA, new amino acids are added, forming a growing polypeptide chain. The process continues until a stop codon is encountered, leading to the termination of translation and the release of the completed protein.
In conclusion, the translation process in eukaryotes requires mRNA, ribosomes, tRNA molecules, amino acids, and various factors involved in initiation, elongation, and termination. These components work together to ensure the accurate and efficient synthesis of proteins, which are essential for cellular functions and processes.
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After doing an endospore staining procedure on an unknown bacteria, you looked at it under the microscope and saw the picture below. What can you conclude?Vegetative cells are present, but no endosporesEndospores are present, but no vegetative cellsBoth endospores and vegetative cells are presentThe bacilli in the photo are acid fast
Answers
From the photo, it can be concluded that there are both endospores and vegetative cells present. The endospores can be seen as smaller cells staind in blue, while vegetative celles are staind in red.
anybody willing to do this for me? the questions are
1) what colors did you see in the spectrum on the wall?
2) what color is at the top of the spectrum?
3) what color is at the bottom of the spectrum
Answers
Answer:
1 what colors did you see in the spectrum on the wall?
Answer: it was Shining the colors of yellow and green.
2. what colors is at that top of the spectrum?
Answer: it was yellow.
3. what colors is at the bottom of the spectrum?
Answer: Bule.
Answer:
Explanation:
a rainbow
it was yellow.
Bule.
Does photosynthesis occur in all plant cells?
Answers
Answer:
No- not all, but most.
Explanation:
The newly discovered plant — named Gastrodia kuroshimensis — occurs in the dark understory of forests where little light penetrates. So instead of using sunlight or photosynthesis to generate nutrients, the plant parasitizes the fungi in the forest soil for its daily dose of nutrition.
Answer:
No Not all, but most
Explanation:
____ testing is to show that there are no errors/bugs/defects in the software.
Answers
Validation testing is to show that there are no errors/bugs/defects in the software.
In order to make sure that a software system or program satisfies the requirements and operates correctly without any mistakes, flaws, or defects, validation testing is carried out. Verifying that the software meets the intended usage and operates as expected in the intended environment is the main objective of validation testing. It focuses on evaluating the software's overall quality and accuracy to ensure that it fulfills the demands and expectations of the user.
Verification testing, which tries to verify that the software has been produced in accordance with the stated criteria, is normally carried out after validation testing is finished. The two types of testing—verification, and validation—are both crucial steps in the software testing process, but they accomplish different things. Validation testing concentrates on proving that the program works effectively and meets the user's expectations, whereas verification testing checks to see if the product was developed correctly.
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How do energy and chemical elements differ from each other in the way they flow through ecological communities
Answers
Energy and chemical elements are two primary components that flow through ecological communities. Both elements are vital to life processes in ecological systems. However, they differ significantly in the way they flow through ecological communities.
Energy is the currency of ecological systems. It flows through the food chain and is transferred from one organism to another in the form of heat or chemical energy. Energy is never created or destroyed; instead, it is transformed from one form to another. Solar radiation is the primary source of energy in ecological systems. Energy is transferred from plants to herbivores and then to carnivores. When animals consume plants or other animals, they use some of the energy they obtain for their own life processes and lose the rest as heat during metabolism. This energy loss limits the length of food chains and the transfer of energy between organisms.
Chemical elements, on the other hand, are nutrients that flow through ecological systems in a cyclical pattern. They are absorbed by living organisms and returned to the environment through excretion, decomposition, and other biological processes. The major chemical elements in ecosystems are carbon, nitrogen, phosphorus, and sulfur. Carbon, for instance, is absorbed by plants during photosynthesis and then transferred to herbivores and then to carnivores. Nitrogen is another important chemical element in ecosystems, which is needed for the formation of proteins and nucleic acids. It is recycled between plants, animals, and the environment in a cyclical pattern.
Overall, the flow of energy and chemical elements in ecological communities is crucial for the maintenance of life processes in ecological systems. However, they differ in their transfer mechanisms and patterns. While energy flows linearly through food chains and is lost as heat during metabolism, chemical elements flow cyclically through ecological systems and are recycled between organisms and the environment.
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What is "Precautionary Principle" and why is it important?
Answers
Answer:
Explanation:The precautionary principle states that when a human-induced activity raises a significant threat of harm to the environment or human health, then precautionary measures should be taken even if there is no scientific consensus regarding cause and effect.
The precautionary principle enables decision-makers to adopt precautionary measures when scientific evidence about an environmental or human health hazard is uncertain and the stakes are high.
Answer:
The precautionary principle encourages decisions and policies to protect the environment even when there is not enough information.
Explanation:
This means that for decision-makers faced with uncertainty and potentially significant environmental impacts, a precautionary approach encourages decisions and policies to be made that will protect the environment even if there is not enough information to truly understand the problem.
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