The presence of an epiphyseal plate indicates that the bone is still growing. Epiphyseal plates are hyaline cartilage zones situated in long bones during development and are involved in linear growth. The epiphyseal plate is involved in bone growth and elongation and is located at the end of long bones.
It is an area of hyaline cartilage in children that is gradually replaced by bone tissue as they mature. The epiphyseal plate serves as a growth plate, allowing bones to expand in length until they reach their full size and shape. The epiphyseal plate is a part of the metaphysis, which is the transitional region of the bone between the epiphysis and the diaphysis.
The epiphyseal plate comprises four distinct zones, including the reserve zone, the proliferative zone, the hypertrophic zone, and the calcified zone. The growth hormone, thyroid hormone, insulin-like growth factor, estrogen, testosterone, vitamin D, and other hormones and nutrients help to stimulate and regulate bone growth.
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Atom A has six protons , five neutrons and five electrons. Atom B five protons , six neutrons, and five electrons . Are atoms A and B of the same element ?
1. no, because they do not have the same number of protons
2. no, because they do not have the same number of neutrons
3. yes , because they have the same number of electrons
4. yes , because both have 16 protons , neutrons, and electrons combined
Answer:
no, because they do not have the same number of protons
Explanation:
No of protons represents atomic number which decides the characteristics of an atom . Two atoms having same number of protons but different number of neutrons are same element . They differ only in some physical characteristics . They are called isotopes . In respect of chemical properties they are same . In a neutral element number of protons and number of electrons are same . But in some case number of electrons may differ . In that case they form ions of the element . In positive ion , number of electrons is shorter than number of protons .
In the present case , atom A and atom B differ in respect of number of protons so they represent different element .
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Chapter 21 Cell Structure and Function
1
18. What is the difference between rough endoplasmic reticulum (ER) and smooth endoplasmic reticulum (ER)?
1. Rough ER has lysosomes covering the organelle while smooth ER does not
b. Rough ER has ribosomes covering the organelle while smooth ER does not
C. Smooth ER releases energy while rough ER absorbs energy
d. Rough ER is found on the inside of the cell while smooth ER is found on the outside of the cell.
What are the components of nucleotides?
Answer: they consist of sugar molecules in RNA or you could define it as the deoxyribose that consists in DNA
Explanation: my answer be original
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Cellular Respiration Worksheet
1. Write the overall reaction for cellular respiration.
2. What are the 3 phases of the cellular respiration process?
3. Where in the cell does the glycolysis part of cellular respiration occur?
4. Where in the cell does the Krebs (Citric Acid) cycle part of cellular respiration occur?
5. Where in the cell does the electron transport part of cellular respiration occur?
6. How many ATP are made in the glycolysis part of cellular respiration?
7. How many ATP are made in the Kreb's cycle part of celluar respiration?
8. How many ATP are made in the electron transport part of cellular respiration?
9. In which phase of cellular respiration is carbon dioxide made?.
10. In which phase of cellular respiration is water made?
11. In which phase of cellular respiration is oxygen a substrate?
12. In which phase of cellular respiration is glucose a substrate?
13. On avarage, how many ATP can be made from each NADH during the electron transport process?
14. On avarage, how many ATP can be made from each FADH2 during the electron transport process?
15. What would happen to the cellular respiration process if the enzyme for one step of the process was missing or defective?
Cellular respiration involves glycolysis, the Krebs cycle, and the electron transport chain, occurring in different parts of the cell, producing ATP and various byproducts like carbon dioxide and water.
What are the key aspects of cellular respiration and its processes?1. The overall reaction for cellular respiration is: C6H12O6 + 6O2 -> 6CO2 + 6H2O + energy (ATP).
2. The three phases of cellular respiration are glycolysis, the Krebs (Citric Acid) cycle, and the electron transport chain.
3. Glycolysis occurs in the cytoplasm of the cell.
4. The Krebs cycle occurs in the mitochondria of the cell.
5. The electron transport chain occurs in the inner membrane of the mitochondria.
6. Two ATP molecules are made in the glycolysis part of cellular respiration.
7. The Krebs cycle produces two ATP molecules.
8. The electron transport chain generates a total of 32-34 ATP molecules.
9. Carbon dioxide is produced in the Krebs cycle as a byproduct.
10. Water is produced in the electron transport chain as a byproduct.
11. Oxygen serves as a substrate in the electron transport chain.
12. Glucose is a substrate for the glycolysis phase.
13. On average, each NADH molecule can produce about 2.5 ATP during the electron transport process.
14. Each FADH2 molecule can produce about 1.5 ATP on average during the electron transport process.
15. If an enzyme for one step of the cellular respiration process is missing or defective, it could disrupt or halt that particular step, leading to an overall impairment of cellular respiration and a decrease in ATP production, potentially impacting the cell's energy supply and overall cellular function.
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True or False: If a planet were to stop moving relative to the sun, gravity would draw that planet into the sun.
Answer: true
Explanation:
(b) Explain why the pulse and breathing rates of both students increased during exercise.
Answer:
Because a victim is changing a respiration form from Aerobic to anaerobic forms.
What caused the tree bark to become darker?
Answer:
i would think pollution
Explanation:
cuz it might color the tree darker
1.)what are non examples solutions for water pollution
2.) How has water pollution been solved in the past?
So both the questions are very similar and asks for solutions to pace water pollution. Below they are introduced:
Improve wastewater: treatment: Enhance and expand wastewater treatment facilities to ensure effective removal of pollutants before discharge into water bodies. Implement advanced treatment technologies, such as activated sludge, membrane filtration, and ultraviolet disinfection, to remove contaminants effectively.
Implement stricter regulations: Enforce and strengthen environmental regulations and laws related to water pollution. Establish stringent standards for industrial and agricultural practices to prevent the release of harmful substances into water sources.
Encourage sustainable farming practices: Promote the use of organic fertilizers and reduce the reliance on chemical pesticides and herbicides in agriculture. Encourage precision irrigation techniques, such as drip irrigation, to minimize water usage and prevent runoff of fertilizers and pesticides into water bodies.
Control industrial pollution: Enforce stricter regulations on industries to limit the discharge of pollutants into water bodies. Implement waste management practices to reduce the release of toxic chemicals and heavy metals.
Prevent oil spills and leaks: Implement stringent safety measures for offshore drilling, transportation, and storage of oil and petroleum products.
Protect and restore wetlands: Preserve and restore wetlands as they act as natural filters and buffer zones, effectively removing pollutants from water.
how are genetically modified organisms used in biotechnology for medicine. please help me!
Answer:
Genetically modified organisms (GMOs) are used in biotechnology for medicine to produce therapeutic proteins, such as insulin and growth hormone, and to create genetically modified cells for use in gene therapy. Additionally, GMOs are also used in the production of vaccines.
Answer: How? I shall explain...
Explanation:
So Biotechnology is the mix of natural sciences and engineering sciences in order to achieve applying organisms, cells and organic matter for products and services.
Think about if someones DNA has malfunctioned and the scientists need to change it. They use bio-engineered cells to go in the nucleolus of the cell and edit the DNA. (To the best of my tiny knowledge)
Scientists can't perform molecular sized operations for cells and organisms, so they use bio-engineered cells to do it. (Tell me if I'm wrong)
They can also create situations in contained environments to experiment with modified cells to see the results.
What is the name of the structure labeled A in the diagram below?
1. Bacteria. Two bacteria were placed in a dish. The number of bacteria quadruples every hour. There are now 131,072 bacteria in the dish. How many hours have passed since the original two bacteria we
To determine the number of hours that have passed since the original two bacteria were placed in the dish, we can use the fact that the number of bacteria quadruples every hour.
Starting with two bacteria, we can observe the progression:
Hour 1: 2 bacteria
Hour 2: 2 x 4 = 8 bacteria
Hour 3: 8 x 4 = 32 bacteria
Hour 4: 32 x 4 = 128 bacteria
Hour 5: 128 x 4 = 512 bacteria
Hour 6: 512 x 4 = 2048 bacteria
Hour 7: 2048 x 4 = 8192 bacteria
Hour 8: 8192 x 4 = 32768 bacteria
Hour 9: 32768 x 4 = 131072 bacteria
Therefore, it took 9 hours for the number of bacteria to reach 131,072.
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Status, habitat features associated with remnant populations, and identification of sites for restoration and translocation of New England cottontails.
In the Northeastern United States, the New England cottontail's (NEC, Sylvilagus transitionalis) distribution has drastically shrunk since 1960.
What are the characteristics of NEC?In comparison to uninhabited quads, human-dominated habitats with a greater number of developed and disturbed areas, less forest cover, more edge habitats, and less snowfall were connected with the northeastern and southeastern populations. In comparison to unoccupied landscapes, NEC-occupied landscapes in these areas had a greater number of possible dispersal pathways. In contrast, the quads that NEC occupied in the ancient range's southwest were in rural areas where woodlands and agricultural fields predominated. At the landscape scale, NEC-occupied regions were less closely associated with southwestern populations and had more agricultural lands surrounding them.Learn more about cottontail here:
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What are the types of tissues
Answer:
There are four basic tissue types defined by their morphology and function:
.epithelial tissue.
.connective tissue.
.muscle tissue.
.nervous tissue.
Which answer choice has the correct information?
Group of answer choices
1 Ly = 9.5 trillion km,1 AU = Distance from Earth to Sun (150,000 million Km)
1 Ly = 9.4 trillion km; 1 AU = Distance from Earth to Moon (150,000 million Km)
1 Ly = 9.5 trillion miles,1 AU = Distance from Earth to Sun (150,000 million Km)
1 Ly = 9.5 trillion miles, 1 AU Distance from Earth to Moon (150,000 million Km)
Answer:
1 ly = 9433962264150.9 km
Fresh milk has several parts that a farmer can separate and sell. A farmer removed the top layer of fat from fresh milk. What property does the farmer use to separate the fat from the rest of the milk?
Answer: The fat has a lower density than the other parts of the milk.
Explanation:
Milk is a dairy product which is produced by the mammary gland of mammals such as cow, goat, pigs and even human beings used for the nourishment of their younger ones. Milk gotten for cow is usually processed and consumed by man. It's constituents includes the following:
-> water,
-> lactose
-> fat
-> protein and
-> minerals.
The fat component of milk can be separated by simply allowing the fresh milk to stand for a period of time and the top layer of fat removed. This is possible because fat has a lower density than the other parts of the milk. In the dairy processing, when fresh milk is allowed to stand for a period of time, the fat globules would begin to rise to the surface in a phenomena called creaming.
Answer: Density
Explanation:
I just took the quiz
Both fungi and ferns grow through mitosis.
True
False
Answer:
True
yes
Both are eukariyotic organisms.They grow by mitotic cell divisions.
Explanation:
Answer:true
Explanation:
most of the elements in the periodic table are classified as
Answer:
Transition Metals
Explanation:
The majority of elements in the periodic table are classified as metals. The transition metals lie in the center of the table, spanning groups three through 12.
Most of the elements in the periodic table are classified as transition metal.
What types of experiments could be conducted on the elements?
Silver is a shiny metal that conducts electricity very well . It can be molded into thin sheets it means it can spread into a like a sheet and these type of properties is known as malleability.
Potassium is dull and brittle it means that it can't be change into sheet when you try to change in sheet it will break and these properties are called as brittlness and when it is has been dissolved into water, which it does quite easily. Physical properties of matter include color, hardness, malleability, solubility, electrical conductivity, density, melting points and boiling points.
Carbon is an element which is a chemical by nature and it is represented by C and the atomic number of carbon is 6. The atomic mass of carbon is 12.011 u and the carbon contain 2, 4 electrons per shell with the electronegativity of 2.55 .
Therefore, Most of the elements in the periodic table are classified as transition metal.
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if sally marries a man who is an asymptomatic carrier for alkaptonuria, what is the probability that they would have a son with alkaptonuria
Alkaptonuria is passed down through the generations as an autosomal recessive condition. When an individual receives the same faulty gene for the same trait from both parents, they are said to have recessive genetic diseases. If a person is born with one normal gene and one illness gene, he or she will be a carrier for the disease but will not display symptoms. With each pregnancy, there is a 25% chance that two carrier parents will both carry the faulty gene and, as a result, have an afflicted child. With each pregnancy, there is a 50% chance of having a child who is a carrier like the parents. A child's chance of receiving normal genes from both parents and being genetically normal for that attribute is 25%.
The risk is the same for males and females alike.
geotropism is a response by plants to which force?
Geotropism is a response by plants to the force of gravity. It is the movement or growth of a plant in response to gravity and is divided into two types: positive and negative.
Positive geotropism is the growth of a plant towards gravity and is usually seen in the roots of the plant. The root tips contain statoliths, which are special cells that are heavy enough to respond to the pull of gravity, thus allowing the root to grow downwards.
Negative geotropism is the growth of a plant away from gravity, which is usually seen in the shoots of the plant. The shoot tips contain auxin, which is a plant hormone that helps cells elongate more on the lower side of the stem than the upper side. This difference in cell elongation causes the stem to bend away from gravity. In conclusion, geotropism is a response by plants to the force of gravity and is divided into positive and negative geotropism.
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by moving substances into and out of cells,_____, the process of keeping stable conditions inside a cell, is maintained
Answer:
love you quieres ser mi novio
Answer:
Homeostasis
Explanation:
This process maintains sugar, salt nutrients and other substances within a certain range to maintain safety
What is weather? and what is the 4 seasons
describe how competition, predation and
symbiosis influence the population size of the organisms concerned.
Answer:
Interactions among organisms in an environment include predation, competition, and symbiosis. It's conceivable that the population sizes of species that benefit from such an association will grow. Similarly, if a contact is harmful to an organism, the population size of that creature is likely to decline.
When a predator hunts for another organism, it is called predation. The prey is the organism that is hunted. Predators will have more food if the number of prey grows. Predators will have a larger population as a result of this. More prey will be consumed when there are more predators. As a result, the prey population will shrink. As a result, a predator-prey population cycle emerges.
In a given habitat, competition occurs when two organisms or species compete for the same limited resource. Light, food, and shelter are examples of limited resources. The population size of the species receiving less of the resource is likely to shrink. Similarly, the population size of the species receiving more of the resource is expected to grow.
A symbiotic relationship is a close relationship between at least two species that. At least one species involved in a symbiotic relationship benefits. The other member(s) involved in the relationship is/are either helped, harmed, or not affected. Mutualism is a symbiotic relationship that benefits all species involved in the relationship. Therefore, the population sizes of the members involved in a mutualistic relationship are likely to increase. Commensalism is a type of symbiotic relationship in which one member benefits and the other member is neither helped nor harmed. The population size of the species that is helped within such relationship will increase. The population size of the species that aren't harmed won't alter. A parasite and its host form a third sort of symbiotic connection known as parasitism. The parasite gains from the relationship, but the host suffers as a result of it. As a result, parasite population sizes are likely to grow. Similarly, the size of the host population is likely to shrink.
I need this in the next 10 minutes
Organelle
A mitochondria
B nucleus
C. Cell membrane
D. Cell wall
E vacuole
F chloroplast
G cytoplasm
name the functions of the organelles?i
Answer:
mitochondrion energy production from the oxidation of glucose substances and the release of adenosine triphosphate
nucleus DNA maintenance, controls all activities of the cell, RNA transcription
vacuole storage, transportation, helps maintain homeostasis
Explanation:
please help
20 points
77. Select the words from the word box below to complete the statements.
After morning class, with your stomach growling, you stagger to the cafeteria and devour a large pasta entree for lunch. Following this meal, your tissues shuttle glucose into liver and muscle to synthesize ____________ and into adipose to synthesize ______________.
After your morning class, with your stomach growling, you stagger to the cafeteria and devour a large pasta entree for lunch. Following this meal, your tissues shuttle glucose into the liver and muscle to synthesize glycogen and into adipose tissue to synthesize triglycerides.
When you consume a meal rich in carbohydrates like pasta, your body breaks down the carbohydrates into glucose. Glucose is then transported to various tissues for energy utilization and storage. In response to elevated glucose levels, the liver and muscle cells take up glucose and convert it into glycogen through a process called glycogenesis. Glycogen serves as a storage form of glucose, readily available for energy when needed.
Additionally, excess glucose can be converted into triglycerides through a process called lipogenesis. Adipose tissue, commonly known as fat cells, plays a key role in storing triglycerides as a long-term energy reserve. The synthesis and storage of triglycerides in adipose tissue help maintain energy balance in the body, especially during times of excess glucose intake.
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This artery changes names to the ____________ when passes through the adductor hiatus and is located in the posterior knee region.
The artery changes names to the popliteal artery when it passes through the adductor hiatus and is located in the posterior knee region.
The popliteal artery is a continuation of the femoral artery, which runs down the thigh. As it passes through the adductor hiatus, a narrow opening in the thigh muscles, it changes its name to the popliteal artery. The popliteal artery then continues down the back of the knee, supplying blood to the structures in the posterior knee region, including muscles, ligaments, and the surrounding tissues. It plays a crucial role in providing oxygenated blood to the lower leg and foot.
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Mice are offered two different colors of cotton to
make nests with pink and brown. Out of 20 mice, 16
chose pink cotton to build their nests and 4 chose brown
Answer:
1. There is no control group.
2. independent variable is the colors.
3. The dependent variable is how many of each color the mice chose.
Explanation:
Im assuming you were talking about control group, independent, variable, and dependent variables.
If the density of ethanol is 0.789 g/mL, how many milliliters are produced in this reaction?
C6H12O6 --> 2 C2H5OH + 2 CO2
The volume of the ethanol is 6.7 mL
What is the density of the ethanol?We know that density is defined as the ratio of the mass to the volume of an object. We know that the density is said to be an intrinsic property and this means that we can use the density of the object to be able to obtain the kind of object that we are dealing with.
We have the information that the mass of the carbon dioxide that can be obtained from the reaction is about 10 g. We can now use this to obtain the number of moles by the use of the formula;
Number of moles = mass/ molar mass
= 10 g/44 g/mol
= 0.23 moles
From the reaction equation:
1 mole of ethanol produces 2 moles of carbon dioxide
x moles of ethanol produces 0.23 moles of carbon dioxide
x = 0.23 × 1 /2
= 0.115 moles
Mass of ethanol = 0.115 moles × 46 g/mol
= 5.29 g
Volume of the ethanol = mass/density
volume = 5.29 g/0.789 g/mL
= 6.7 mL
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T-cells are a type of immune cell system that recognizes pathogens in the body.
True
False
The statement is true that T-cells are a type of immune cell system that recognizes pathogens in the body.
T-cells are the lymphocytes that are involved in providing acquired immunity to the body. They can recognize the pathogens presented by the antigen presenting cells. There are two types of t cells: helper T cells and Cytotoxic T cells.
Immune cells are the cells of the immune system that are involved in protecting the body from infection, allergies and foreign pathogens. There are several immune cells that perform several functions. The example of such cells are: phagocytes, lymphocytes, dendritic cells, etc.
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Juan is visiting Costa Rica. He notices there is a lot of moisture in the air and lots of biodiversity, but the soil is thin and lacking nutrients. What type of biome is he in?
Desert
Temperate grasslands
Tropical rain forest
Tundra
Answer:
C. Tropical rain forest
Explanation:
C. Tropical rain forest
When there is a lot of moisture in the air and lots of biodiversity, but the soil is thin and lacking nutrients, this biome is a condition for tropical rain forest.The air beneath is almost always humid. The trees themselves give off water through the pores (stomata) of their leaves. Tropical rainforests are lush and warm all year long! Temperatures don't even change much between night and day.The soils in this biome are very old and low in fertility, but since there is a dry season, more of the nutrients can stay in place. In the tropical rainforest, however, rainfall is year round, and can be daily. This strips out most of the nutrients.Learn more:
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