The part of a bone that contains mostly stored fat is the medullary cavity, also known as the marrow cavity.
The medullary cavity is located within the diaphysis, or the shaft, of long bones such as the femur and the humerus. It is a hollow, cylindrical space filled with a specialized connective tissue called yellow bone marrow.
Yellow bone marrow consists primarily of adipose cells, which are responsible for storing fat. In addition to serving as an energy reserve, this stored fat plays a crucial role in maintaining the body's overall metabolic balance, providing a source of energy during periods of high demand, such as physical exertion or when the body's energy reserves are low.
While red bone marrow, found in the spongy bone of the epiphyses, is responsible for blood cell production, yellow bone marrow does not share this function. However, in cases of severe blood loss or hematopoietic disorders, yellow bone marrow can convert back into red bone marrow to help meet the increased demand for blood cell production.
In summary, the medullary cavity of long bones is the primary site of fat storage in the skeletal system, with yellow bone marrow being the specialized tissue responsible for this function. This fat plays a critical role in maintaining the body's energy balance and metabolic processes.
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in the gluconeogenesis pathway, the enzyme glucose-6-phosphatase reverses which step in glycolysis?
Gluconeogenesis pathway is an anabolic pathway by which glucose is synthesized from pyruvate in the liver and kidneys.
During gluconeogenesis, the enzyme glucose-6-phosphatase reverses the step of hexokinase enzyme in glycolysis. This means that glucose-6-phosphate is converted to glucose in gluconeogenesis, and glucose is phosphorylated to glucose-6-phosphate in glycolysis.
Glycolysis is the catabolic process that breaks down glucose into pyruvate with the help of several enzymes. This process takes place in the cytoplasm of most cells in the body. The process of gluconeogenesis takes place in the liver and kidneys, in which glucose is synthesized from pyruvate and other non-carbohydrate sources. Gluconeogenesis is a reverse process of glycolysis, and it has several steps that involve different enzymes.Glucose-6-phosphatase is an enzyme that catalyzes the hydrolysis of glucose-6-phosphate to glucose and phosphate in the liver and kidneys.
This enzyme is present in the endoplasmic reticulum of liver and kidney cells. During gluconeogenesis, glucose-6-phosphatase reverses the step of hexokinase enzyme in glycolysis. In glycolysis, hexokinase catalyzes the phosphorylation of glucose to glucose-6-phosphate, while glucose-6-phosphatase catalyzes the hydrolysis of glucose-6-phosphate to glucose in gluconeogenesis. This step is the final step in gluconeogenesis that allows glucose to be released from the liver and kidneys into the bloodstream.
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Suggested evidence of natural selection at work in humans is the observation of Select one: a. low hemoglobin levels despite high elevation in Tibetan populations over generations b. increase in hemoglobin level when the average person travels from low to high elevation c. an increase in body fat in preparation for winter months at high elevation d. increase in muscle mass from extensive weight training over several months e. mountaineers using oxygen tanks when climbing at high altitude
Answer:
a. low hemoglobin levels despite high elevation in Tibetan populations over generations.
Explanation:
Natural selection can be defined as a biological process in which species of living organisms having certain traits that enable them to adapt to environmental factors such as predators, competition for food, climate change, sex mates, etc., tend to survive and reproduce, as well as passing on their genes to subsequent generations.
Simply stated, natural selection entails the survival of the fittest. Therefore, the species that are able to adapt to the environment will increase in number while the ones who can't adapt will die and go into extinction.
A suggested evidence of natural selection at work in humans is the observation of low hemoglobin levels despite high elevation in Tibetan populations over generations. This is as a result of a low level of oxygen in the blood of a living organism such as humans.
—————. Are small round structures in cells that break down large food particles into smaller ones
Answer:
Lysosomes
Explanation:
Lysosomes also break down old cell parts and release the substances so they can be used again.
Where would Igneous rocks that have crystals that are small, like "salt and pepper" have
cooled?
Select the correct answer. Which muscle is the woman using to lift the ball over her head? A basketball player lifting a ball over her head A. Biceps B. Deltoid C. Extensor digitorum D. Gluteus maximus E. Triceps
Answer:
B. Deltoid
Explanation:
The deltoid muscle is a thick muscle on the human shoulder. When the basketball player is lifting the ball, the shoulder muscle is being used to lift over her head.
Answer:
Got 100% right on plato!
Explanation:
What is the acid produced by stomach?
Answer:
Hydrochloric acid
Explanation:
Answer:
I think its Hydrochloric Acid
How does Stem cell therapy work?
Please in detail
he protein-coding content of the human genome is not greatly different than the protein-coding content of organisms such as drosophila fruit flies and c. elegans roundworms, and is only several-fold larger than that of e. coli. given the complexity of humans, how is this possible?
The complexity of an organism is not solely determined by the number of protein-coding genes it possesses. While it is true that the human genome does not have a significantly higher number of protein-coding genes compared to organisms like fruit flies, roundworms, or even bacteria like E. coli, the complexity of humans arises from various other factors.
Alternative Splicing: Humans, along with other complex organisms, possess the ability to produce multiple protein isoforms from a single gene through a process called alternative splicing. Alternative splicing allows different combinations of exons within a gene to be included or excluded, resulting in the production of multiple protein variants from a single gene. Regulatory Elements: The human genome contains numerous regulatory elements, such as promoters, enhancers, and non-coding RNAs, that control gene expression and regulate cellular processes. Post-translational Modifications: Proteins produced from the same gene can undergo various post-translational modifications, such as phosphorylation, methylation, acetylation, and glycosylation, which greatly expand their functional diversity. Protein Interactions and Networks: Proteins do not function in isolation but often interact with each other to form complex networks.
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Does this look correct?
(second image is the word bank)
why is cooling of the plant important
Answer:
When temperatures are too high, energy systems (metabolic functions) slow, and growth and flowering slows or stops.
Explanation:
-cooling the plant and pumping water and minerals to the leaves for photosynthesis. Plants need to cool themselves for several reasons.
What is the difference between a dehydration synthesis and a hydrolysis
reaction? What role does water play in each reaction?
The opposite of dehydration synthesis, which produces water when a polymer is created from its constituent monomers, is a reaction called hydrolysis, which breaks down polymers into their component monomers using water.
While hydrolysis reactions break down molecules and generally release energy, dehydration synthesis reactions build molecules up and generally demand energy. These kinds of reactions build and degrade proteins, nucleic acids, and carbohydrates, however the monomers in each case differ.
Dehydration synthesis does not need water as an input; instead, water is simply discharged as a result. A bigger molecule splits into two or more smaller ones during a hydrolysis reaction, which also uses water as a reactant.
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Does “survival of the fittest apply to domesticated animals? Why or why not? *
Answer:
Yes.
Explanation:
This survival of the fittest is instinct helps domestic animals live. Just because an animal is domesticated, does not mean that instincts go away. Those instincts like hunting may get suppressed, but not taking away.
Answer:
Survival of the fittest does not apply to domesticated animals. This is because these animals don't live in the wild so they don't have to run after things and kill them. Their food comes out of a tin and is provided by human beings. They don't have any predators so their lives are seldom at risk. Thus, they don't need to be fitter or more powerful than other animals in any way.
Lets take the example of pet dogs. We keep them for our support or simply because we enjoy their company. We provide them with food, shelter etc. and protect them. Since, we basically do everything for them; they need not evolve into a stronger, more powerful species.
However, in the case of stray dogs, they have to fight for their survival. They have to fight with other dogs for food and shelter. Hence, survival of the fittest will apply here as the strongest dog gets to eat.
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Please mark me as brainliest.
Can bacteria break down plastics?
Answer:
i don't think bacteria can break down plastic
up, are then matched with their partner ar
chromosomes). Once all the chromosom
chromosome can be found and the exac
Pre-Lab Questions:
1. What is nondisjunction?
2. What is karyotyping?
3. How many chromosomes does an indi
Check all possible effects of this selective pressure.
Flock X may try to eat other foods.
Flock X could migrate in search of fruit.
Flock X could slowly decrease in number.
Flocks Y and Z could benefit and increase.
Flock X could try to mutate.
Answer:
Check all possible effects of this selective pressure.
✓ Flock X may try to eat other foods.
✓ Flock X could migrate in search of fruit.
✓ Flock X could slowly decrease in number.
✓ Flocks Y and Z could benefit and increase.
✕ Flock X could try to mutate.
Explanation: Got 100% on warm-up on edge. good luck :)
Answer:
A, B, C, D
Explanation: Big Brain
i need help,, this should help move my grade up and i currently have an f:)
Para el color de las flores, el púrpura (P) es dominante sobre el blanco (p). Entonces, ¿cuál de los siguientes cruces corresponde al efectuado entre dos líneas puras distintas para dicho carácter?
Answer:
The correct answer to the given question is,
Purple color is dominant than the white color because the dark is always dominant and thus when the two are mixed purple is more visible and the white color is not much visible or even if visible it is less than purple which is the dominant color.
Explanation:
The correct answer to the given question is,
Purple color is dominant than the white color because the dark is always dominant and thus when the two are mixed purple is more visible and the white color is not much visible or even if visible it is less than purple which is the dominant color.
Compare and contrast the reproductive cycles of a flowering plant and a human. Include two similarities and two differences in your answer.
Answer:
Similarities: 1) They both reproduce sexually by fertilization 2) They both have male and female reproductive parts
Differences: 1) Plants can either be monosexual or bisexual while humans are always bisexual
2) Plants employ double-fertilization while humans don't
Explanation:
All organisms including plants and humans have to reproduce in order to produce young generations. However, there are similarities and differences between the reproductive cycles of these organisms. According to the question, we'll be comparing and contrasting reproduction in flowering plants and humans.
SIMILARITIES:
Both flowering plants and humans have sexual means of reproducing, which involves fusion of male and female gametes to produce a ZYGOTE, a process called FERTILIZATION.
Also, the opposite gametes that fuses during fertilization are produced by distinct male and female parts on both flowering plants and humans. For example, the anther produces the pollen containing the male gametes, while the ovary produces the egg cells in flowering plants. The testes and ovary produce the sperm and eggs in humans.
DIFFERENCES:
Flowering plants can either be monosexual i.e. bear both male and female reproductive structures on same plant or bisexual i.e bear the different reproductive structures on different plants. Humans are always bisexual i.e. they bear different reproductive structures depending on the sexuality.
A phenomenon unique to flowering plants called Double Fertilization occurs. This is a process whereby a triploid endosperm is formed from the fusion of two haploid nuclei with a sperm cell. This process only occurs in flowering plants and is absent in human reproductive cycle.
The Venn diagram compares aerobic respiration and anaerobic respiration. Which statement could be categorized in the overlapping section of the Venn diagram?
A: uses pyruvic acid
B: has commercial uses
C: regenerates NADH
D: produces 36 ATP
Answer:
C. regenerates NADPHExplanation:
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A particular type of inclusion body that is used to orient bacteria in three-dimensional space in a fluid environment is the metachromatic granule. Ogas vacuole. carboxysome. sulfur granule.
A particular type of inclusion body that is used to orient bacteria in three-dimensional space in a fluid environment is a carboxysome.
In instance, cyanobacteria and other chemoautotrophic bacteria have carboxysomes, a form of inclusion body. Enzymes associated with carbon fixation, notably the enzyme RuBisCO (ribulose-1,5-bisphosphate carboxylase/oxygenase), are found in these proteinaceous compartments. It is well known that carboxysomes are essential for the cyanobacteria's photosynthesis process.
The carbon fixation process is made more effective by carboxysomes, which have a characteristic polyhedral form and are involved in the concentration of carbon dioxide (CO2) surrounding RuBisCO. In order to prevent oxygen from interfering with the activities involved in photosynthetic life, they are also in charge of maintaining the ideal level of carbon dioxide.
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Consider the following project. Each activity is independent. There are essentially 6 paths with only 1 activity on each. What is the minimum cost to reduce the project by three time periods
To determine the minimum cost to reduce the project by three time periods, we need more information about the specific activities and their costs. The cost of reducing a project's time can vary depending on the activities involved and the specific strategies or options available.
However, in general, reducing the project duration by three time periods typically involves employing strategies such as resource allocation, schedule compression, or adding additional resources. These strategies can incur costs associated with overtime pay, hiring additional personnel, or utilizing expedited delivery methods.
To calculate the minimum cost, you would need to assess the cost associated with each time reduction option and determine the most cost-effective approach. Without specific information about the activities, their durations, and the associated costs, it is not possible to provide an exact minimum cost.
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which of the following are not considered as examples of asexual reproduction of plants?
a. ginger, onion, garlic
b. camote, carrot,potatoes
c. banana,bamboo,turmeric
d. avocado, papaya,mango tree
Which statement describes why hypotheses are valuable, even if incorrect? Select one: a. Adds to existing knowledge b. Answers a defined problem c. Allows theories to be proven d. Allows theories to be disproved A theory doesn't get disproved without large amounts of da
Answer:
The correct option is a: "Adds to existing knowledge"
Explanation:
A hypothesis is an idea that is brought forth based on an observation. It needs to be tested by carefully and thoroughly planning an experimental design that either supports or refutes the hypothesis. So even if it comes out to be incorrect, it still allows us to understand some aspect of a phenomenon that was unknown till then.
What is the evolution of sex?
Answer:
Sex evolved as an extremely efficient mechanism for producing variation, and this had the major advantage of enabling organisms to adapt to changing environments. Sex did, however, come with a cost. In reproducing asexually, no time nor energy needs to be expended in choosing a mate.
Calculate the momentum of a 0.15 kg ball that is moving toward home plate at a velocity of 40m/s.
Answer:
the answer is 6kg·m/s .............
a petechial rash starting on the hands and feet and spreading to the torso is characteristic of ____
A. rmsf.
B. necrotizing fasciitis.
C. anthrax.
D. smallpox.
E. herpes gladiatorum.
A. RMSF (Rocky Mountain spotted fever).
A petechial rash starting on the hands and feet and spreading to the torso is characteristic of Rocky Mountain spotted fever (RMSF). RMSF is a bacterial infection caused by the bacterium Rickettsia rickettsii, which is transmitted through tick bites. One of the prominent symptoms of RMSF is the development of a petechial rash, which appears as small red or purple spots on the skin. The rash typically begins on the wrists, ankles, and palms, and then spreads to the arms, legs, and torso. This rash is an important diagnostic feature of RMSF and distinguishes it from other conditions listed in the options (B, C, D, E) that have different characteristic rashes or symptoms.
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Nicotine replacement and self-management techniques are two approaches to smoking__________________.
What is the name of the method in which a smoker tries to avoid tempting situations and manages feelings that lead to nicotine use?
True or False Most people pick up smoking habits in adulthood.
Making sure your friends know you are tobacco-free and sticking to that decision in the face of pressures and influences requires ________________skills.
Critical Thinking Identify 5 health benefits of smoking cessation (stop smoking) that occur throughout the years after you quit, as well as those you see within a few days.
Can someone pls help me.
Answer:
It requires trolling your friends skills
All of the following are true regarding solids except for:
A) Molecules are tightly packed in a solid.
B) Molecules vibrate at a slow speed, in a fixed position
C) Molecules move quickly and freely past one another in a solid.
D) A solid has a definite shape and structure,
Answer:
C
Explanation:
This is because a solid particles are so packed tightly together, they're fixed in their position and can't move past one another, unlike liquids particles.
in prokaryotes, the plasma membrane can form internal pouches called ____________ , which are thought to increase the internal surface area for the attachment of enzymes in metabolic activity.
In prokaryotes, the plasma membrane can form internal pouches called mesosomes, which are thought to increase the internal surface area for the attachment of enzymes in metabolic activity.
Mesosomes are invaginations of the plasma membrane that are thought to play a role in cellular processes such as DNA replication, cell division, and respiration. They are typically found in prokaryotic cells, which lack membrane-bound organelles. The increased surface area provided by mesosomes is thought to facilitate the attachment of enzymes involved in metabolic activity, thereby increasing the efficiency of these processes.
However, the exact function of mesosomes is still not fully understood and is the subject of ongoing research.
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Changes that occur during the lifespan of an organism is the definition of
A. Development
B. Adaptation
C. Mutation
D. Growth
During the lifespan of an organism, various changes occur that contribute to its overall growth and maturation. Development refers to the series of progressive changes and transformations an organism goes through from conception to adulthood. These changes encompass both physical and behavioral aspects. Development is the correct answer (option a).
A. Adaptation: While adaptation is a crucial process in evolution, it refers to the ability of an organism to adjust to its environment over multiple generations, not within the lifespan of an individual organism.
C. Mutation: Mutation refers to a change in the DNA sequence of an organism's genome. Although mutations can occur during an organism's lifespan, they are not the defining characteristic of the changes that occur throughout the entire lifespan.
D. Growth: Growth refers to an increase in size, mass, or number of cells in an organism. While growth is a component of development, it does not encompass the entirety of the changes that occur during an organism's lifespan.
In conclusion, development best describes the changes that occur during the lifespan of an organism, encompassing both physical and behavioral transformations from conception to adulthood.
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