An man about 80 years old, lives alone. He looks very weak and undernourished. His lower limbs bones are tender and thin. Due to poor diet and loneliness, he lacks the essential vitamins and minerals for his bone formation. Explain bone formation (ossification) , and bone marrow formation which this man is lacking.​

Answers

Answer 1

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All bone formation is a replacement process. During development, tissues are replaced by bone during the ossification process. In intramembranous ossification, bone develops directly from sheets of mesenchymal connective tissue. In endochondral ossification, bone develops by replacing hyaline cartilage, bone formation, also called ossification, process by which new bone is produced. ... Soon after the osteoid is laid down, inorganic salts are deposited in it to form the hardened material recognized as mineralized bone. The cartilage cells die out and are replaced by osteoblasts clustered in ossification centres.

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Related Questions

Explain why water is essential for the light reactions.

Answers

Answer:

During the process of photosynthesis, six molecules of carbon dioxide and six molecules of water react in the presence of sunlight to form one glucose molecule and six molecules of oxygen. The role of water is to release oxygen (O) from the water molecule into the atmosphere in the form of oxygen gas (O2).

Explanation:

Water is important for photosynthesis because it the source of hydrogen for the sugars created through photosynthesis

HOPE THIS HELPS PLS MARK ME BRANLIEST

The magic word is:

A) Ostoma

B) cristae

C) chemiosmosis

D) chromosome

E) aneuploidy

F) gene

G) meristem

H) zygote

Answers

Answer:

What is this off of, can you give me more information so I can help you

Explanation:

What are the two reasons why viruses have such small genomes. (Select both correct options) Viruses have fewer genes than living organisms. Increased selection for multiple chromosomes in viruses Viruses utilize a variety of genetic material for their genome Viruses have very little non-coding DNA

Answers

Answer:

WITHDRAWN

The publisher has withdrawn permission for online, public display of this title via the NLM Literature Archive. For additional information, please contact the publisher.

Two reasons for which viruses have such small genomes include 'viruses have fewer genes than living organisms' and 'viruses have very little non-coding DNA'.

What is the genome?

The genome is all the genetic material present in the cells (either somatic or geminal cells) of an organism.

In eukaryotic organisms, the genome is big because it contains many genes required to synthesize different cellular components.

Moreover, the eukaryotic genome also contains many non-coding regions, which are laking in smaller simpler genomes.

In conclusion, two reasons for which viruses have such small genomes include 'viruses have fewer genes than living organisms' and 'viruses have very little non-coding DNA'.

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descibe 3 impact due climate change

Answers

Answer:

Ice melting habitat lossHeating and cooling of the earth's atmosphere

At plasma glucose levels of greater than 300 mg/100 mL plasma, what happens to the glucose that is not reabsorbed

Answers

Answer:

I think it's gets stored up in the liver

Explanation:

Something's including glucose that are in access in the body gets stored up in the body

As more and more people exist on Earth, which of the following will
DECLINE?
5 points
The amount of construction materials required on a yearly basis
The amount of solar energy that is retained in the troposphere and in the atmosphere
as a whole.
The area available to wildlife and other animals.
The use of energy needed to sustain communication and residential needs.

Answers

Answer:

the area available to wildlife and other animals

Explanation:

makes sense

57- From classes of Phylum: Annelida
A- Cestoda
B- "Trematoda
C- Myriapoda
D- Oligochnota​

Answers

Answer:

D- Oligochnota.

......

What is the characteristic of tropical rainforest?

Answers

Answer:Hey buddy

Explanation:

The tropical rainforest biome has four main characteristics: very high annual rainfall, high average temperatures, nutrient-poor soil, and high levels of biodiversity (species richness)

The trapezius is a(n) _____ to the pectoralis major.

Answers

Answer:

complement

Explanation:

The trapezius is a complement to the pectoralis major.

What is Trapezius?

The trapezius may be characterized as one of the widest and most superficial muscles that are located in the upper back and trunk region. It is triangular in structure, wide, and thin that encircles the upper back of the shoulders and neck.

While the pectoralis major is the most superior and largest muscle that is located within the region of the anterior chest wall. This muscle is thick, fan-shaped in appearance positioned beneath the breast tissue, and constructs the anterior wall of the axilla.

Both of these muscle types complement each other in every aspect such as location, structure, appearance, etc.

Therefore, The trapezius is a complement to the pectoralis major.

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Based on your knowledge of the cell structures of living things, what is one reason viruses are not considered alive?
A.They lack cell walls
B.they lack nuclei
C.they lack chroroplast
D.they lack cell membranes​

Answers

Answer:

What does it mean to be 'alive'? At a basic level, viruses are proteins and genetic material that survive and replicate within their environment, inside another life form. In the absence of their host, viruses are unable to replicate and many are unable to survive for long in the extracellular environment.

Answer:

B

Explanation:

The nuclei is basically like the heart of a cell.

What is the food web for Altamaha shiner ?

Answers

Answer:

The bottom of the pyramid was fertilizer or something and the little top triangle was a silhouette of a man. Those were simple days and the food chain seemed simpler.

Explanation:

The closing on your ad gives details about your services.
True
False

Answers

Answer:

True

Explanation:

In the closing, often a brief explanation is given on the company's name what they do how u can contact them and maybe some other information

P.s I do not take this subject

help!
Which description is not a property of an acid?

Sour taste
Slimy Feel
dissolve metals
corrosive

brainliest will be possible!! ​

Answers

Answer:

Slimy feel, you can know this because citric acid or Lemmon juice

Explanation:

ASTRONOMY NEED HELP FASTTTT


Which law states that when an object gets smaller, the velocity of its spin increases
proportionally to its size?

Answers

Answer:

casue it's lighter

Explanation:

Which method of timber harvesting removes all trees from the harvest area?

Answers

Clear-cutting is the most common method of timber removal. Clear-cutting removes all the trees in a given area, often by using large machinery. From an economic standpoint, the benefit of this approach is that humans can harvest maximum timber with minimal energy and cost.

Mount St. Helens is a volcano that erupted with great force in 1980. Which phrase best describes this eruption?
Quiet eruption
Gentle lava flows
Magma low in silica
High viscosity magma

Answers

I’d say “magma low in silica” hope it’s right also looooooooooooooove your pfp

high-viscosity magma

have a good day :D

Please help I am confused between option (b) and (c)​

Answers

Answer:

option B

Explanation:

the cell is nucelated

What is the genetic makeup of offspring resulting from mitosis?

Answers

At the end of mitosis, one cell produces two genetically identical daughter cells.

Which of the following correctly describes one way that cellular respiration contributes to the carbon cycle?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
Cellular respiration breaks down carbon-based molecules and releases oxygen into the atmosphere.

(Choice B)
B
Cellular respiration takes carbon dioxide from the atmosphere and uses it to make carbon-based molecules that are stored as biomass.

(Choice C)
C
Cellular respiration helps move carbon from the bodies of living organisms into the atmosphere.

Answers

Answer:

Choice A

Explanation:

Recall that trees release oxygen as a byproduct of photosynthesis. And you need oxygen to breathe. Do you know why? So your cells can perform cellular respiration and make ATP.

Cellular respiration contributes to the carbon cycle as cellular respiration helps move carbon from the bodies of living organisms into the atmosphere.

How does cellular respiration contribute to the carbon cycle?

During cellular respiration, organic molecules are broken down using oxygen molecule and carbon dioxide is released into environment.

This carbon dioxide is used by plants during photosynthesis and they synthesize organic matter.

This is how respiration contributes to carbon cycle.

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What is the function of the cell membrane? The cell membrane controls what goes into the cell (food) and what leaves the cell (waste). The cell membrane protects the cell from damage. The cell membrane controls the amount of water that goes into the cell and stores it there if it doesn't rain. The cell membrane allows air to enter, but won't allow water to enter into the cell.

Answers

Answer:

Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot. Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly

Explanation:

the heart is an organ made from​

Answers

Your heart is an organ that's largely made up of muscle. It has the vital function of working to pump blood to the organs and tissues of your body.

Compare the population growth rate in industrially developed countries to that in developing countries

Answers

Answer:

The worlds developing regions will see 1.2 billion people added, a 20.7% increase; while the population of developed countries will increase a mere 3.3% adding 41 million to the current 1.3 billion people. ... There is a difference of more than ten years between the median age in developing and developed regions.

The population growth rate in industrially developed countries is much lower than that in developing countries.

The population growth rate is the number of births per 1,000 people in a population in a year. The population growth rate in industrially developed countries is typically around 1%, while the population growth rate in developing countries is typically around 2%.

There are several reasons why the population growth rate is lower in industrially developed countries. First, people in industrially developed countries tend to have fewer children. This is due to a number of factors, including the availability of birth control, the increasing participation of women in the workforce, and the rising cost of raising children.

Second, people in industrially developed countries tend to live longer. This is due to advances in medicine and healthcare. As a result, the number of people in the population who are of childbearing age is lower in industrially developed countries than in developing countries.

The lower population growth rate in industrially developed countries has a number of implications. First, it means that the population in these countries is aging. This is because the number of people who are of working age is shrinking, while the number of people who are retired is growing.

Second, the lower population growth rate means that there is less pressure on resources such as land, water, and food. This can help to reduce poverty and improve the standard of living in these countries.

However, the lower population growth rate also means that there is a smaller pool of workers to support the economy. This can lead to labor shortages and economic problems.

Overall, the lower population growth rate in industrially developed countries has both positive and negative implications. It is important to carefully consider these implications when making policy decisions.

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Which one of the following fuels directly produces CO2 but is considered carbon neutral?

Question 2 options:

a)

Wind


b)

Biomass


c)

Oil


d)

Coal


e)

Hydropower

Answers

Answer:

A. wind

B. coal

Explanation:

there are two fuels directly produces CO2 but is considered carbon neutral which are wind and coal

2. According to the graph below, what temperature will result in the highest rate of photosynthesis?
1004 Oxygen flow (ml)
80
50
40
20
0
0
Temperature (1)
50
10
20
30
40
O A 5°C
OB. 40°C
O C.30°C
O D. 25°C

Answers

Answer:

At medium temperatures, between 50 and 68 degrees Fahrenheit, or 10 and 20 degrees Celsius, the photosynthetic enzymes work at their optimum levels, so photosynthesis rates gauge high. Depending on the particular plant in question, set the greenhouse thermostat to a temperature within this range for best

Why don't people's cells starve from lack of glucose while they are fasting​

Answers

Answer:


Fasting can definitely raise blood glucose. This is due to the effect of insulin falling and the rising counter-regulatory hormones including increased sympathetic tone, noradrenaline, cortisol and growth hormone, in addition to glucagon. These all have the effect of pushing glucose from liver storage into the blood. This is normal. If you are not eating, you want to use some stored glucose. The question is this – if you are not eating, and your blood glucose went up, where did that glucose come from? It can only have come from your own body (liver). So, it’s a natural phenomenon, and the fasting now allows your body to use some of the glucose for energy.


Draw a model that correctly illustrates cellular division and differentiation in stem cells...


What should I draw?

Answers

Answer:

I dotnt know that but you can do that

Cellular division (Mitosis) is the biological process whereby a parent cell breaks itself into different parts called daughter cells.

This process is important because it helps to divide cells so that they can:

Experience growth Repair broken cells Reproduce, etc

Cellular differentiation is the process of a cell going from one form to a more specialized cell.

A good example of this is the process of a fetus being formed from a single celled zygote.

Attached below is an image of cell differentiation and cellular division.

If all burning of fossil fuels was stopped today, why will temperatures continue to rise? A) Fossil fuel emissions are not responsible for the enhanced greenhouse effect. B) Greenhouse gases remain in the atmosphere for many years. C) Deforestation must also be stopped in order for temperatures to decline. D) Increased methane emissions will more than make up for the difference.​

Answers

Answer:

I think it's d)

Explanation:

What's your guess?

If the burning of fossil fuels was stopped immediately, the temperature still continues to rise because of the green house gases which remain in the atmosphere for many years. Thus, the correct option is B.

What causes global warming?

Global warming is the increase in the temperature of the planet as a whole due to many factors such as burning of fossil fuels, deforestation, pollution, increase in green house gases, etc.

Global warming lead to the depletion of ozone layer and affect the air quality which can cause various diseases. If the burning of all fossil fuels was stopped today, the temperature of the planet still continues to rise because of the green house gases which remain in the atmosphere for many years. These are the heat-trapping gases.

Therefore, the correct option is B.

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How many iodine atoms are in a molecule of the compound carbon
tetraiodide?
A. 4
B. 5
C. 6
D. 3

Answers

Awnser:

6

Explanation:

it Is 6 because their is 2 electrons on the inside and 4 electrons in the outside

Answer: its 4

Explanation:

mention the 7 groups of Baitmore classification of viruses​

Answers

Answer:

Structure of some viruses classified by Baltimore group: HSV (group I), HCV (group IV), DENV (group IV), IAV (group V), and HIV-1 (group VI) HIV-2(group VII)

una característica que se puede observar o medir sin cambiar la composición de la materia es una propiedad química ¿cierto o falso ?​

Answers

Answer:

Falso, una propiedad química cambia no solo su apariencia, sino que la cambia por completo. Por ejemplo, la madera sigue siendo madera hasta que la pones al fuego y QUÍMICAMENTE se convierte en col. =)

Explanation:

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