Answers
False: during the process of bone remodeling, osteoblasts resorb existing bone and osteoclasts form new bone.
Hematopoietic cells called osteoclasts have the ability to resorb bone and take part in bone remodelling and bone marrow development.
Giant cells called osteoclasts have 10 to 20 nuclei.
By tying their surface integrins to a bone protein known as vitronectin, they form a tight bond with the bone matrix.
The osteoclast can create a microenvironment that promotes bone resorption thanks to the close apposition, which closes off a portion of the bone beneath it.
Multiple infoldings of the osteoclast cell membrane create a "ruffled border" in the osteoclast's vicinity to the bone.
Bone remodelling is a process that replaces discrete sections of old bone with freshly produced packets of proteinaceous matrix, maintaining bone strength and ion balance.
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Related Questions
Which of the following is not a limitation of the biological species concept
Answers
Answer:
to be considered a species, a population must be reproductively isolated from other species
NEED ANSWERED ASAP WORTH 30 POINTS
“Activity levels at the end of adolescence are
alarmingly low, and by age 19, they are
comparable to 60-year-olds," says a study
conducted by senior author, Vadim
Zipunnikov, assistant professor in the
Bloomberg School's Department of
Biostatistics. "For school-age children, the
primary window for activity was the afternoon
between two and six P.M. So the big question
is how do we modify daily schedules, in
schools for example, to be more conducive to
increasing physical activity?"
PLEASE ANSWER SOON WORTH 30 POINTS AND PLEASE ANSWER CORRECTLY THIS IS IMPORTANT. THANK YOUUU
Answers
Activity levels decline sharply in late adolescence, equivalent to 60-year-olds. To boost physical activity, we must adapt school schedules to prioritize the afternoon window of 2-6 P.M.
According to a study conducted by Vadim Zipunnikov, the activity levels of individuals at the end of adolescence are shockingly low, comparable to those of 60-year-olds. The study found that the primary window for activity among school-age children was the afternoon, specifically between two and six P.M. This raises an important question: How can we modify daily schedules, particularly in schools, to promote increased physical activity? By addressing this challenge, schools can create an environment that encourages and facilitates physical activity among students. Possible solutions could include incorporating more physical education classes, recess breaks, or after-school sports programs during this crucial time window.By making these changes, we can foster healthier habits and ensure that young people have ample opportunities to engage in physical activities, improving their overall well-being.For more such questions on Activity levels:
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All of the following are
periods within the Mesozoic era, except:
Jurassic
Triassic
Cretaceous
Cambrian
Answers
Answer:
cambrian
Explanation:
Which of the following is a reactant (input) of cellular respiration?
O energy
O carbon dioxide
O glucose
water
Answers
Answer: oxygen and glucose are reactants of cellular respiration
Explanation:
Oxygen and glucose is what is needed in order for the cellular respiration process to work
True or false when a haploid sperm and a haploid egg join the result is a diploid cell  
Answers
Answer: true
Explanation:
Once fertilized, the egg is called a zygote. Fertilization is not complete, however, until the two haploid nuclei (called pronuclei) have come together and combined their chromosomes into a single diploid nucleus.
4-toed mom with (t t) and 5-toed dad with (T t)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
~
5-toed mom (T t) and 5-toed dad (T T)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
~
5-toed mom (T t) and 5-toed dad (T t)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
Answers
Answer:
the probability to have a 4 toed baby is 0% chance and the probability for a normal toed baby is 100%
Explanation:
Question 12
The researchers predicted that they would see evidence of eutrophication in the upper estuary d
to its close proximity to urbanization, and that they would not see evidence of eutrophication in
lower estuary due to it being further away from urbanization.
Use complete sentences to write a conclusion discussing whether the data you calculated and
graphed supported this prediction or not, and why.
Edit View Insert Format Tools Table
12
12pt Paragraph ✓ BIUAT²V
Answers
The researchers' hypothesis that eutrophication was present in the estuary was partially supported by the calculated and analyzed data. According to the graph, dissolved oxygen concentrations decrease as the river moves further from the mouth, supporting the idea that eutrophication brought on by urbanization is occurring in the upper mouth.
The research, however, also suggests that there is a comparable drop in dissolved oxygen levels in the lower estuary, defying the assumption that eutrophication would not occur here. The observed decline in dissolved oxygen in the lower estuary may be due to other factors, such as agricultural runoff or natural processes.
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How does scarcity determine the economic value of an item?
Answers
The way in which scarcity determine the economic value of an item is: D. by the resources consumed in production.
What is economics?Economics can be defined as a field of science that is focused on the analysis and examination of various principles that influence the production, demand and supply of goods and services, including the allocation of scarce (limited) resources.
Additionally, economics is typically focused on the problem of scarcity, which is generally created due to scarce (limited) resources and consumers who have unlimited needs and wants.
In conclusion, we can reasonably and logically deduce that the economic value of an item (product) is determined by scarcity based on the amount of resources that are consumed in production.
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Complete Question:
How does scarcity determine the economic value of an item?
by the amount of goods that are produced
by the capital required to build the factory
by the unlimited wants of the consumers
by the resources consumed in production
select all that apply. Which organisms are in competition for mangrove tree crabs?
a.) snook (fish)
b.) alligator
c.) ghost shrimp
d.)cuckoo(bird)
Answers
Organisms in competition for the mangrove tree crabs in a mangrove ecosystem;
alligatorcuckoo(bird)What is the mangrove?The mangrove is a swampy area that is filled with a lot of shrubs and is home to a large number of organisms. The feeding relationships in the mangrove also involve predator and prey relationships just as you have in other ecosystems.
The ecosystem is a self supporting system in which there is an exchange of materials and energy. We know that predation is a situation in which one organism feeds on another. This is an intricate part of the food chain in every ecosystem. The mangrove ecosystem is filed with a lot of these myriads of predator prey relationship in the ecosystem.
The following are the animals that are in competition for the mangrove tree crabs in a mangrove ecosystem;
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The stronger the social connections:
O the more likely to live long and strong
O the fewer complications in pregnancy
O the more secure the children feel
O all of the above
Answers
Answer:
O all of the above
Explanation:
Stronger social connections have been associated with various positive outcomes, including longer and healthier lives, fewer complications in pregnancy, and increased feelings of security in children. Numerous studies have shown that individuals with strong social networks and support systems tend to have better overall health, lower mortality rates, and reduced risk of certain health conditions. Additionally, social support has been found to positively impact pregnancy outcomes, such as lower rates of preterm birth and improved maternal well-being. Furthermore, children who have secure and supportive relationships with their caregivers and peers tend to experience better emotional and psychological development.
( need asap :) )What is the key to the linking of nucleotides that form the sugar-phosphate backbone of DNA?
A. a weak hydrogen bond
B.a covalent bond
C.a polar bond
D.a phosphoester bond
Answers
Answer: D
Explanation:
I believe that’s the best choice but then again it’s a diester bond not a single eater bond but I guess that’s close enough.
HELP what modern movement emerged in Syrias revolt against the French in 1920s?
Answers
Answer: Shahbandar returned in 1921 and organized the Iron Hand Society to agitate against French rule. This was the first Syrian nationalist group to emerge in Damascus during the Mandate and Shahbandar organized its spread to Homs and Hama.
Result: French victory, revolt suppressed
Date: 1925–1927
Question 13 of 20 :
Hydrogen bonds form....
A. to hold one molecule of water together, bonding one hydrogen atom and two oxygen atoms.
B. to hold one molecule of water together, bonding one oxygen atom and two hydrogen atoms.
C. between the positively charged oxygen of one water molecule and the negatively charged hydrogen of another water molecule.
D. between the negatively charged oxygen of one water molecule and a positively charged hydrogen of another water molecule.
Answers
Answer:
D
Explanation:
Hudrogen bond is formed between the negatively charged oxygen of one water molecule and the positively charged hydrogen atom of other molecule.
HELP PLEASE Name any two of the major types of chemical substances that are broken down in chemical digestion. For each substance, name an enzyme that breaks them down and what final product is actually absorbed by the body for use or storage.
Answers
Two major types of chemical substances that are broken down in chemical digestion are carbohydrates and proteins. Carbohydrates are broken down by the enzyme amylase, which is found in saliva and the pancreas.
Proteins are broken down by a group of enzymes called proteases, which are produced by the stomach and pancreas. Proteases break down proteins into smaller peptides and individual amino acids, which can be absorbed by the body and used to build new proteins or as a source of energy. Overall, the breakdown of carbohydrates and proteins in chemical digestion is crucial for the body to obtain the nutrients it needs for energy, growth, and repair. Amylase breaks down complex carbohydrates into simpler sugars, such as glucose and fructose, which can be absorbed by the body and used for energy or stored as glycogen in the liver and muscles.
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Explain how sunlight is the primary source of energy for your own life
Answers
2. What does it mean for your body to be out of homeostasis?
Answers
Answer:
If homeostasis is disrupted, it must be controlled or a disease/disorder may result. Your body systems work together to maintain balance. If that balance is shifted or disrupted and homeostasis is not maintained, the results may not allow normal functioning of the organism.
Explanation:
5.) What are the small sacs in an ovary that contain a developing egg cell?
6.) When does a woman run out of eggs?
Answers
Answer:
5.) What are the small sacs in an ovary that contain a developing egg cell?
A.) Follicle
6.) When does a woman run out of eggs?
A.) your ovaries cease to make estrogen, and you will go through the menopause. At the age of 45 to 50.
-TheUnknownScientist
Answer:
mast cell and nerve cell
Characteristics and Roles Mitosis Meiosis both
1. Produces body cells
2. Ensures genetic stability
3. Divides the parent cell once
4. Divides the parent cell twice
5. Produces four daughter cells
6. Gives way to genetic diversity
7. Produces gametes or sex cells
8. Produces daughter cells with same number of chromosomes like the mother cell
9. Aids in the repair of genetic defects
10. Associated with sexual reproduction
11. Associated with asexual reproduction
12. Produces two identical daughter cells
13. Occurs in the gonads (testes and ovaries)
14. Produces diploid or haploid daughter cells
15. Helps in the repair of damaged cells/tissues
Answers
Characteristics and Roles:
Mitosis:
1. Produces body cells
3. Divides the parent cell once
8. Produces daughter cells with the same number of chromosomes as the mother cell
9. Aids in the repair of genetic defects
12. Produces two identical daughter cells
15. Helps in the repair of damaged cells/tissues
Meiosis:
1. Produces gametes or sex cells
4. Divides the parent cell twice
5. Produces four daughter cells
6. Gives way to genetic diversity
10. Associated with sexual reproduction
13. Occurs in the gonads (testes and ovaries)
14. Produces haploid daughter cells
Both Mitosis and Meiosis:
2. Ensures genetic stability
7. Produces gametes or sex cells
11. Associated with asexual reproduction
A child with cystic fibrosis has a mutated protein in his cells which does not behave normally. The mutated protein stops chloride ions from leaving the cells. This causes water to be retained in the cell creating thicker fluids. These fluids cause a buildup of mucus which leads to breathing problems.
Which cell structure is most likely being negatively affected by the mutated protein?
A.The mutated protein is most affecting the cell membrane because the protein is causing water to be stored in the cell and water storage is a function of the cell membrane.
B.The mutated protein is most affecting the nucleus because the protein is preventing DNA production which is a function of the nucleus.
C.The mutated protein is most affecting the cell membrane because the protein is not allowing certain materials to leave the cell, which is a function of the cell membrane.
D.The mutated protein is most affecting the ribosomes because the protein is causing the production of excess mucus which is a function of the ribosomes.
Answers
Answer: Hope this helps :)
Explanation: It is either A C
A fly has two alleles for the color of its eyes. The green allele is recessive, and
is represented by q. The blue allele is dominant, and is represented by p. If 28
of 100 organisms are green, what is p?
Homozygous dominant+ Heterozygous + Homozygous recessive = 1
OA. 0.72
B. 0.28
C. 0.53
D. 0.47
✓
p+2pq+q² = 1
Answers
The frequency of the dominant blue allele, represented by p, is D. 0.47. This means that 47% of the creatures in the population have the blue eye colour allele.
The equation p + 2pq + q² = 1 represents the Hardy-Weinberg equilibrium equation, which describes the frequencies of alleles in a population.
In this case, p represents the frequency of the dominant blue allele, q represents the frequency of the recessive green allele, and p + q = 1 because these are the only two alleles in the population.
Given that 28 out of 100 organisms are green (q² = 28/100), we can find the value of q. Taking the square root of q², we get q = √(28/100) = 0.53.
Since p + q = 1, we can substitute the value of q to find p. Therefore, p = 1 - q = 1 - 0.53 = 0.47.
So, the value of p, representing the frequency of the dominant blue allele, is 0.47. This indicates that 47% of the organisms in the population have the blue allele for eye color. Therefore, Option D is correct.
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Species Characteristics
X Short canine teeth, small prey size
Y 1-foot-long canine teeth, large prey size
Which species will most likely survive if the prey population in the area decreases?
A- Species X because it is difficult to bring down a small prey
B- Species X because short canines are less likely to break
C- Species Y because long canines are less likely to break
D- Species Y because it is easy to bring down a large prey
Answers
The species will most likely survive if the prey population in the area decreases (A). Species X because it is difficult to bring down a small prey is correct option.
If the prey population declines, species X, which has short canine teeth and is specialized for small prey, would benefit. This is so because of how tough it is for them to take down a large prey due to their physical makeup. In contrast, due to their specialised traits, Species Y, with 1-foot-long canine teeth and an adaptation for huge food, may encounter difficulties when hunting smaller species. Therefore, in a scenario where the population of the prey drops, Species X has a higher chance of surviving.
Therefore the correct option is (A).
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Progressive muscle relaxation is commonly defined as an interaction with the interior self that facilitates the relationship between mental and biological response. a. true b. false
Answers
True Progressive muscle relaxation is frequently described as an engagement with the inner self that supports the connection between the brain and the body.
What is the name of the stress-reduction method that involves the contraction and relaxation of muscular groups?One of the most basic and straightforward relaxation techniques is progressive muscle relaxation (PMR). The early 1920s saw the invention of this now-common practice by Dr. Edmund Jacobson.
What hormones are produced by the body to prime it for fast physical action?Your adrenal glands produce the hormone adrenaline (also known as epinephrine) to aid in your preparation for stressful or dangerous circumstances. The rapid release of adrenaline into your blood is known as an adrenaline rush. Your body begins to prepare for a "fight or flight" reaction as a result.
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If a plant died from lack of food provided by photosynthesis, which structure is most likely missing or damaged
Answers
1. SELECT ONE NATURAL HAZARD IN THE PICTURE AND SUGGEST WAYS ON HOW PEOPLE MUST BE PREPARED TO FACE THE HAZARD IN TERMS OF THE DIFFERENT PERSPECTIVES GIVEN BELOW
CHOSEN HAZARD: VOLCANIC ERUPTION
Pa help po pls... I really need help po. I'll mark brainliest po who answered po.
Example: Earthquake
Answers
The natural hazard chosen is volcanic eruption and ways in which people can prepare for it is by closing and locking all windows and outside doors and organizing emergency supplies.
What is Volcanic eruption?This is referred to as a situation in which lava and gas are released from a volcano and could be in an explosive manner.
The best ways in which people can prepare for it is by closing and locking all windows and outside doors to prevent particles from entering into the house which should cause injuries and also organizing emergency supplies in the case of a fire incident etc.
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Umm.. Hi there! Can someone please help me out with this? (only for those who know the answer)
Bcoz I really need this rn :(
DUEEEE AFTERRR LUNCHH! :(:(:(:(
If your answer is NONSENSE it will be deleted as soon as possible!
But if your answer is CORRECT, HELPFUL, HAS AN EXPLANATION, I'll chose your answer as the BRAINLIEST ANSWER!
Answers
Answer:
The name of the element is Potassium.
it's got 19 electrons in total and 1 valence electron.
electrons are arranged in the respective orbitals as (2, 8, 8, 1). from lowest to highest ~ {s, p, d, f}
no. of electrons in s orbital = 2 no. of electrons in p orbital = 8no. of electrons in d orbital = 8no. of electrons in f orbital = 1symbol of the element is K.
what is the difference between cork formation and gum formation in the plants as an immune mechanism
Answers
Answer:
Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.
Explanation:
what is geological substratum
Answers
Answer:
Explanation:
Geological substratum refers to the solid rock or layer of Earth's crust that lies beneath the soil, sediment, or other surface materials.
Hope it helps!!
the semicircular canals are fluid-filled structures and respond to head motion. these sensors are linked with the visual system .
Answers
The semicircular canals are fluid-filled structures and respond to head motion. These sensors are linked to the visual system in the brainstem.
The three semicircular, connecting tubes known as semicircular canals or semicircular ducts are found in the inner ear, which is the innermost portion of each ear. The three canals are the posterior semicircular, superior semicircular, and horizontal semicircular canals.
A part of the bone labyrinth that is at right angles to one another is the semicircular canals. A dilated sac known as an osseous ampulla, which is larger than the canal's diameter, is present at one end of each of the semicircular canals.
The optic nerve primarily conveys information to the cerebral cortex, where visual perception takes place, via the thalamus, but it also sends information to two locations in the brainstem necessary for the mechanics of vision.
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Creates unique set of DNA.
Does Mitosis or meiosis? Or both
Answers
Answer:
Meiosis
Explanation:
Mitosis creates an identical set of daughter cells to the parent cells through asexual reproduction but meiosis creates a set of sex cells that are identical to each other but not to the parent cell and this is through sexual reproduction.
Which refers to the ends of a magnet where the forces are stongest?
a. attracting Forces
b. opposing forces
c. magnetic fields
d. magnetic poles
Answers
Answer:
d. magnetic poles
Explanation:
The correct answer is option (d) magnetic poles.
What are magnetic poles?
A magnetic pole is a point at end of a magnetic field where the magnetic force is concentrated and strongest.
Why other options are incorrect?
a. Attracting Forces : The force by which one object attracts another are attractive forces
Hence a. is incorrect.
b. Opposing forces : There is nothing termed as opposing forces in the types of forces so this option is incorrect.
c. Magnetic fields : The area around a magnet, magnetic object, or an electric charge in which magnetic force is exerted.
So , this option is also incorrect
Hence Option D is correct
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