Hairlike structures found on the surface of some cells.
Answers
Cilia are hairlike structures found on the surface of some cells. They are long and thin structures that protrude from the surface of cells.
The structure of cilia is composed of microtubules and a special type of protein called dynein that plays a role in their movement. Cilia serve a variety of functions in different types of cells. In the respiratory tract, for example, cilia help to move mucus and other particles out of the airways, keeping them clear and preventing infection. Cilia also play a role in the reproductive system.
In the female reproductive tract, for example, cilia help to move the egg from the ovary to the uterus. In the male reproductive system, cilia are involved in the movement of sperm. Some cells in the human body do not have cilia, while others have large numbers of them. The presence or absence of cilia can be an important indicator of a cell's function and role within the body.
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Related Questions
How long did it take for life to appear on earth?
Answers
In plant cells, what
structures contain
DNA?
A. nucleus,
and central vacuole
mitochondria,
B. nucleus, mitochondria,
and chloroplasts
C. nucleus, mitochondria,
and rough ER
D. nucleus, mitochondria,
and smooth ER
Answers
Answer:
The answer towards your question would be B.
B. nucleus, mitochondria and chloroplasts.
Explanation:
To explain it, the reason is because Nucleus is the one which contains DNA and only mitochondria and chloroplasts are the other ones which also contain DNA as their genetic material. Although, all living organisms do use deoxyribonucleic acid (DNA) including plants. The DNA in plant cells is found only in the nucleus, the mitochondria and the chloroplasts.During incubation, antimicrobials applied to the bacterial lawn become increasingly _________ as they diffuse out of the disk into the medium.
Answers
Answer:
Meee-boop
Explanation:
Ped0
1. How are organic molecules related to all living things?
Answers
Answer:
Explanation:
Organic molecules are the molecules which exist in all living things. They are life's building blocks. All things are formed from these organic molecules.
Trace the pathway a drop of blood would take from the time it leaves the aorta, to the time it returns to the left ventricle ready to leave the aorta again, describing the chambers and vessels
Answers
A drop of blood would leave the aorta and travel to the systemic circulation, where it would enter the body's tissues to deliver oxygen and nutrients.
What is systemic circulation?All body tissue has a functional blood supply thanks to the systemic circulation. It transports nutrients and oxygen to the cells as well as waste products and carbon dioxide.
The arterial system, which consists of bigger arteries that divide into smaller arterioles, is where blood would first enter from the aorta.
A drop of blood would go through the systemic circulation, the arterial system, capillaries, the venous system, the right atrium, the right ventricle, the lungs, the left atrium, and the left ventricle before returning to the left ventricle and being prepared to leave the aorta once more.
Thus, this is the pathway a drop of that blood would take from the time it leaves the aorta.
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when vela arrives at the office with her mother, who has a limited english vocabulary, she asks whether she can stay
during her mother's examination to help translate and lend support. as the preliminary examination begins, it becomes
apparent that vela is speaking for her mother and is not allowing her to answer questions concerning her own health.
how would you handle this situation? provide details and examples in your response.
Answers
In this situation, it is important to address the issue of communication while respecting Vela's desire to support her mother. We could handle this situation as follows:
1. Acknowledge Vela's role: Begin by thanking Vela for her assistance in translating and recognizing her intention to provide support for her mother during the examination.
2. Establish clear communication: Politely explain to Vela that it is crucial to hear her mother's perspective on her health concerns to ensure an accurate diagnosis and treatment plan. Encourage Vela to translate the questions and let her mother respond in her own words.
3. Provide additional resources: If available, offer to arrange for a professional medical interpreter who is trained to facilitate communication between patients and healthcare providers. This ensures that the language barrier is addressed while allowing Vela's mother to speak for herself.
4. Reiterate the importance of patient input: Remind Vela that her mother's input is vital for the healthcare provider to understand her symptoms and medical history, leading to better care and outcomes.
By taking these steps, you can help maintain a professional and supportive environment while ensuring that the patient's voice is heard during the examination process.
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Which environment will most likely result in the formation of marble?
O a bog in which dead plants and animals have collected over a very long period of time
O a shallow cavity formed by the evaporation of a lake leaving behind multicolored deposits
O a valley carved by a glacier which left behind rock fragments of various sizes and types
O an area deep underground where limestone has been exposed to intense pressure
Answers
Marble can be found from one side of the planet to the other, however, the four nations where it is most chiefs are Italy, Spain, India, and China.
The answer is an option(A)-O a bog in which dead plants and animals have collected over a very long period of time
Marbles frequently happen interbedded with such transformative rocks as mica schists, phyllites, gneisses, and granulites and are most normal in the more established layers of Earth's covering that have been profoundly covered in districts of outrageous collapsing and volcanic interruption.
Marble is a stone coming about because of the transformation of sedimentary carbonate rocks, most regularly limestone or dolomite (rock). The transformation causes variable recrystallization of the first carbonate mineral grains. The subsequent marble rock is ordinarily made out of an interlocking mosaic of carbonate precious stones.
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ima mark brainliest for real answer and thank you plz help
Answers
Answer:
wow
Explanation:
Honestly my man, I can not do this math problem and hope you find your help. KhanAcademy always helps me when noone else can
Describe the type of movement as either facilitated diffusion, osmosis, or diffusion.
Answers
Answer:
1. Diffusion
2. Osmosis
3. Diffusion
4. Facilitated Diffusion
5. Osmosis
6. Diffusion
Explanation:
Facilitated Diffusion- Move molecules across the cell membrane in a passive transportation with membrane protein.
Osmosis- Move water molecules from high concentration to low concentration.
Diffusion- Evenly spread molecules from high concentration to low concentration.
1. Gases move across the room with ease without energy.
2. Water enter skin cells allowing cells to grow and wrinkle without energy.
3. Gases move with ease without energy.
4. Glucose requires energy to transfer.
5. Water leaves throat when concentration outside of throat is less that that inside the trough so water moves outwards.
6. Oxygen is uses passive diffusion does not require energy and will with ease move in and through a cell.
Which of the following statements is true in humans?
a)Mitosis is needed for sexual reproduction to take place.
b)Meiosis produces cells that have a diploid number of chromosomes.
c)Mitosis produces cells that have a haploid number of chromosomes.
d)Meiosis produces gametes that have a haploid number of chromosomes.
Answers
Answer:
Im not sure ,lol
Explanation:
hhaahan
What are the structures and functions of a chloroplast?
Answers
Answer:
Chloroplast has a structure called chlorophyll which functions by trapping the solar energy and is used for the synthesis of food in all green plants. Produces NADPH and molecular oxygen (O2) by photolysis of water. Produces ATP – Adenosine triphosphate by the process of photosynthesis.
The grana, stroma, inner membrane, and outer membrane make up the chloroplast, a kind of plastid.
What are the chloroplast's structural elements?Oval structures called chloroplasts have an inner and an outer membrane. The distance between the outer and inner membranes, known as the intermembrane gap, is 10–20 nm wide. The inner membrane's gap is filled by the stroma, a viscous liquid found inside chloroplasts.
What purposes do chloroplasts serve?Chloroplasts produce energy to support plant development and crop output through the processes of photosynthesis and oxygen release. As a result, active substances such amino acids, phytohormones, nucleotides, vitamins, lipids, and secondary metabolites are biosynthesized by chloroplasts.
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Which part of Griffith’s experiment helped him discover bacterial transformation?
Select one:
a. When he injected virulent bacteria into lab mice, they died.
b. When he injected a mix of heated virulent bacteria and live non-virulent bacteria into lab mice, they died.
c. When he injected non-virulent bacteria into lab mice, they lived.
Answers
B. When he injected a mix of heated virulent bacteria and live non-virulent bacteria into lab mice, they died.
calculate the ni for the three strongest of the lines in the hydrogen spectrum
Answers
The ni values for the three strongest lines in the hydrogen spectrum are Lyman series: ni = 2, 3, 4, ..., Balmer series: ni = 3, 4, 5, ..., Paschen series: ni = 4, 5, 6, ...
The ni values represent the principal quantum numbers for the energy levels of the hydrogen atom. The three strongest lines in the hydrogen spectrum correspond to the transitions between the higher energy levels (nf) and the lowest energy level (n=1). To calculate the ni values, we need to determine the principal quantum numbers (ni) for these transitions.
The three strongest lines in the hydrogen spectrum are:
Lyman series (Ultraviolet region): nf = 1
This corresponds to transitions from higher energy levels (ni) to the ground state (n=1).
Therefore, ni = 2, 3, 4, ...
Balmer series (Visible region): nf = 2
This corresponds to transitions from higher energy levels (ni) to the first excited state (n=2).
Therefore, ni = 3, 4, 5, ...
Paschen series (Infrared region): nf = 3
This corresponds to transitions from higher energy levels (ni) to the second excited state (n=3).
Therefore, ni = 4, 5, 6, ...
Note that the ni values represent the starting energy levels (higher energy levels) for the transitions. The actual wavelength or frequency of the lines in the hydrogen spectrum is determined by the difference in energy between the initial (higher energy) and final (n=1) states.
Therefore, the ni values for the three strongest lines in the hydrogen spectrum are:
Lyman series: ni = 2, 3, 4, ...
Balmer series: ni = 3, 4, 5, ...
Paschen series: ni = 4, 5, 6, ...
Each series represents transitions from higher energy levels to the ground state (n=1) or lower energy levels.
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Which organelle is primary concerned with the conversion of potential energy or organic compounds into suitable form for immediate use by the cell?.
Answers
Answer:
Mitochondria
Explanation:
The mitochondria is primarily concerned with the conversion of potential energy of organic compounds into suitable form for immediate use by the cell.
1.) How does the arrangement of who eats whom compare with the arrangement of the number of individuals?
2.) What might happen to the other organisms if algae were removed from this group? What might happen if killer whales were removed?
3.) Are there any organisms in this group that eat more than on kind of food? How would you change the order of your cards to reflect this information?
If it's a good answer I'll mark brainliest
Answers
Answer:
1. The energy flow to the blue whale would be from the algae and the krill
2. If the killer whale where to be removed from the ecosystem the rest of the ecosystem would increase and wouldn't have a predator to dial down the populations so it would spiral out of control
3. if the algae population increased then the the rest of the ecosystem would increase
4. the fish population would grow and the organisms that the fish feed off of would decrease leaving the rest of the ecosystem to decrease because they would need the krill and algae
4. What could happen to our local environment if a company pumped materials into the
atmosphere which created a drastic pH change in the rain water?
Answers
Answer:
It would upset the balance of the environment and cause animals to die off from the toxic and then other animals would die since they were eating the animals that had died.
If a company pumped materials into the atmosphere which created a drastic pH change in the rainwater, it could have a number of negative impacts on the local environment like acid rain, eutrophication, risk of respiratory illness, and decreased visibility.
Acid rain: Rainwater with a pH of less than 5.6 is considered acid rain. Acid rain can damage trees, plants, and crops. It can also corrode buildings and infrastructure.
Eutrophication is the process of excessive nutrient enrichment in a body of water, leading to the growth of algae and other aquatic plants. This can deplete the oxygen levels in the water, killing fish and other aquatic life.
Increased risk of respiratory illness: Acid rain can irritate the lungs and airways, leading to respiratory problems such as asthma and bronchitis.
Decreased visibility: Acid rain can also reduce visibility, making it difficult to drive, fly, and see clearly.
The specific impacts of a drastic pH change in the rainwater would depend on the materials that were pumped into the atmosphere and the amount of material that was pumped. However, the impacts would likely be negative and could have a significant impact on the local environment.
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how many chromosomes would a sperm or egg contain if either resulted from the process of mitosis
Answers
The sperm and the egg contain 23 chromosomes each if either result from the process of mitosis.
Each sperm and egg cell has only 23 chromosomes. That's half the number of chromosomes as normal cells. Fertilization occurs when egg and sperm combine to form a zygote, a cell containing 46 chromosomes (23 pairs).
Because the woman's genital chromosome pairing exclusively has Xs, the embryo will always carry an X chromosome. Sperm can include either an X or a Y chromosome. If an X-chromosome sperm fertilizes the egg, the resultant cell will be born with two X chromosomes. One was created by the sperm of the dad and the other by the mother's egg.
When meiosis is not properly regulated, it can lead to health issues such as cancer. Meiosis, the second type of division of cells, guarantees that humans have exactly the same amount of cells.
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If a sperm or egg resulted from the process of mitosis, they would each contain the same number of chromosomes as a typical body cell, which is 46 in humans.
This is because mitosis is the process of cell division that produces two genetically identical daughter cells, each with the same number of chromosomes as the original cell.
However, it is important to note that sperm and egg cells are produced through meiosis, which involves two rounds of cell division resulting in cells with half the number of chromosomes as the original cell.
In humans, this means that sperm and egg cells each contain 23 chromosomes, which allows for the proper number of chromosomes to be present when fertilization occurs.
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In the equation 6x – 2 = –4x + 2, Spencer claims that the first step is to add 4x to both sides. Jeremiah claims that the first step is to subtract 6x from both sides. Who is correct? Explain
Answers
In the equation 6x - 2 = -4x + 2, Jeremiah is correct in his claim that the first step is to subtract 6x from both sides.
Solving algebraic equationsTo solve the equation, the goal is to isolate the variable 'x' on one side of the equation. To do this, we need to eliminate the x-terms on one side.
If Spencer were to add 4x to both sides, the equation would become:
6x - 2 + 4x = -4x + 2 + 4x
Combining like terms, we would have:
10x - 2 = 2
However, subtracting 6x from both sides, as Jeremiah suggests, would give us:
6x - 6x - 2 = -4x - 6x + 2
To simplify, we have:
-2 = -10x + 2
Now, we can proceed with solving the equation by manipulating and simplifying further. But in terms of the first step, Jeremiah's approach of subtracting 6x from both sides is the correct choice to eliminate the x-terms on one side of the equation.
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What are the main conflicts in the story and how are they resolved Of Mice and Men?
Answers
Of Mice and Men is a novel which was written by John Steinbeck in 1937. The conflicts in the story are:
1. Man vs. Nature: The main conflict here is the harshness of nature and the difficulty of finding work in the Great Depression. This conflict is never fully resolved, as it is a constant struggle for the characters throughout the novel.
2. Man vs. Himself: This is seen in George's internal struggle over his decision to kill Lennie to spare him from a worse fate. George ultimately decides to shoot Lennie himself, and though it is a difficult decision, he makes it to protect his friend.
3. Man vs. Society: This is seen in the discrimination and prejudice faced by Crooks and the other characters because of their race. This conflict is also never fully resolved, but the characters are able to find some solace in the understanding and friendship they have for one another.
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a nurse recalls the freely moveable joint is an example of which type of joint?
Answers
The freely moveable joint is an example of a synovial joint.
Synovial joints are the most common type of joint in the human body and are characterized by their ability to move freely. They are found in the limbs and are responsible for movement and mobility. These joints are surrounded by a capsule filled with synovial fluid, which helps to lubricate and protect the joint. Some examples of synovial joints include the knee, elbow, and shoulder joints. They are highly complex structures that consist of bones, cartilage, ligaments, tendons, and other connective tissues. The movement of synovial joints is controlled by muscles that attach to the bones through tendons. In summary, synovial joints are freely moveable joints that allow for a wide range of motion and are crucial for everyday activities.
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3. Why is space waste so dangerous? *
1 point
It travels as fast as bullets and can hit satellites, shuttles, and the Space Station.
Takes up too much space in the oceans.
The smell can be harmful to humans.
Space waste is NOT dangerous.
Answers
Answer:
It travels as fast as bullets and can hit satellites, shuttles, and the Space Station.
Explanation:
Answer:
it travels fast as bullets and can hit satellites, shuttles, and the space station.
Explanation:
thanks po......
please answer this for me
Answers
Answer:
THE ANSWER IS D!!!!!!!!!!!
Explanation:
How can DNA mutation affect the function of a protein?
Answers
Gene variants (also known as mutations) can sometimes prevent one or more proteins from functioning properly. A variant can cause a protein to malfunction or not be produced at all by changing the instructions for making a protein in a gene
whats the purpose of an endoplasmic reticulum
Answers
Answer:
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
Most bacterial cells are encased by a strong cell wall composed of ___________________ which is a carbohydrate matrix cross-linked by polypeptides.
Answers
Most bacterial cells are encased by a strong cell wall composed of peptidoglycan, which is a carbohydrate matrix cross-linked by polypeptides.
What is the role of peptidoglycan in bacterial cell?Peptidoglycan provides strength and rigidity to the bacterial cell wall and also helps to protect the cell from osmotic stress. Peptidoglycan is a critical component of the cell wall in bacteria, providing structural support and protection against osmotic stress. The peptidoglycan layer forms a mesh-like structure that encases the bacterial cell, providing rigidity and shape. The layer also helps to protect the cell from bursting due to changes in osmotic pressure, such as when the concentration of solutes is higher outside the cell than inside. Additionally, the peptidoglycan layer is a key target for antibiotics, which can interfere with its synthesis and cause bacterial cell death.
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Select the correct answer from each drop-down menu. If a heterozygous male with the genotype Ww is mated with a homozygous recessiv of the offspring will be heterozygous. W WW WW W W 33 W If the heterozygous, Ww, is crossed with a homozygous dominant, WW, then the pro is W . W W WW WW WW WW W WW WW Reset Next 20 Select the correct answer from each drop - down menu . If a heterozygous male with the genotype Ww is mated with a homozygous recessiv of the offspring will be heterozygous . W WW WW W W 33 W If the heterozygous , Ww , is crossed with a homozygous dominant , WW , then the pro is W . W W WW WW WW WW W WW WW Reset Next
Answers
If a heterozygous male with the genotype Ww is mated with a homozygous recessive female with the genotype ww, then the probability of heterozygous offspring is 0.5 or 50%. The offspring are Ww, Ww, ww, and ww.
What is Genotype?A genotype may be defined as the ultimate combination of the alleles of those genes which are selected for specific studies.
If a heterozygous male with the genotype Ww is mated with a homozygous dominant female with the genotype WW, then the probability of heterozygous offspring is 0.5 or 50%. The offspring are WW, WW, Ww, and Ww.
Therefore, it is well described above.
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Answer:
The guy above for the first part but was wrong for the second part.
Hope this helps!
Explanation:
how does the inclusion of cholesterol affect animal cell membranes?
Answers
Answer:
juiuiuiuiuiuiuiuiuiuiuiuiuih0[niiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiijuj
Explanation:
The diagram below shows an enzyme and a substrate it can bind. How does the structure of this enzyme help with its function?
A. Since the enzyme is larger than the substrate, catalytic reactions can occur within the enzyme itself.
B. Since the enzyme's shape matches the substrate's shape, it catalyzes only reverse reactions.
C. The enzyme's shape complements the substrate's shape, so it only catalyzes specific reactions.
D. The enzyme's active site is amorphous and can change its shape to fit any substrate.
Answers
Because the structure of the enzyme matches that of the substrate, it can only catalyze certain types of reactions. A biomolecule called an enzyme speeds up a chemical reaction.
What do you mean by Enzyme ?Catalysts are substances that accelerate chemical reactions without acting as reactants. Enzymes are the catalysts for biological reactions that take place in living things. Although certain ribonucleic acid (RNA) molecules also function as enzymes, proteins make up the majority of enzymes.
The vital function of enzymes is to reduce the activation energy of a reaction, or the amount of energy required for the reaction to start. In order to facilitate the chemical bond-forming and bond-breaking processes, enzymes bind to reactant molecules and hold them in place.
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in addition to keratinocytes, the stratum spinosum also contains another epidermal cell type called epidermal ______ cells that help to fight infection.
Answers
Keratinocytes are differentiated skin cells found in the outermost layer of the epidermis. Dendritic cells are antigen-presenting cells that play important roles in the adaptive immune response.
In addition to keratinocytes, the stratum spinosum also contains another epidermal cell type called epidermal DENDRITIC cells that help to fight infection.The stratum spinosum is an epidermal skin layer between the stratum granulosum and stratum basale.Dendritic cells are antigen-presenting cells that are capable of processing harmful antigens in order to present them on the cell surface to the T cells of the immune system.Learn more in:
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what is the purpose of an animal inflammation reaction
Answers
Answer:
Inflammation is an essential immune response that seeks to contain microbial infection and repair damaged tissue. Increased pro-inflammatory mediators have been associated with enhanced resistance to a range of important poultry and pig pathogens.
Explanation: