Answer: it’s fertilization
Explanation: Fertilization in flowering plants happens through a process called pollination. ... Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule. After fertilization occurs, each ovule develops into a seed. • Each seed contains a tiny, undeveloped plant called an embryo.
A young man leaped from his hotel room to avoid burning to death in a fire. If he landed on his heels, what bone was likely to fracture? Unfortunately for the young man, a 240-pound fireman ran by and stepped heavily on the distal part of a young man’s foot (not the toes). What bones now could be broken?
The young man in question who leaped from the hotel room onto his heels and was then stepped on by a fireman is likely to have fractured 11 bones in each of his feet.
The feet of most individuals are comprised of 7 tarsal bones, 5 metatarsals, and 14 phalanges (2 for the "big toe" and 3 for all others). The only group with names are that of the tarsal bones, which are:
CalcaneusTalusCuboidNavicularMedial, middle, and lateral cuneiformsThe question states that the young man landed on his heels. This would mean that the bone that absorbed the impact of the fall is the calcaneus, which comprises the heel of the foot.
The young man's foot is then stepped on by a 240-pound fireman. Assuming that all of the bones stepped on are fractured, the young man will have fractures in each of the tarsal bones with exception of the talus which comprises the ankle as well as the metatarsal bones.
The question states that the fireman steps on the distal part of the man's foot, but not the toes. This area of the foot is comprised of the tarsal bones mentioned above, and the metatarsals. This is why all of the these bones listed above except the talus are likely fractured.
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I need help with this
Answer:
Fusion of hydrogen atoms into helium atoms
Explanation:
Fusion basically means that two hydrogen atoms combine themselves to form helium atom.This process releases very huge amount of heat and energy .how does the structure of the cell relate to the function of the tissue
Answer:It determines how the cell will function, as well as the basic structure of that cell. All of the functions for cell expansion, growth and replication are carried out in the cytoplasm of a cell. Tissue is a group of cells that have similar structure and that function together as a unit.
2. What color rabbit seemed to camouflage the best in this snow habitat and why? What color rabbit seemed to camouflage the best in the summer habitat and why?
In the snow habitat, the white rabbit would camouflage the best due to its fur color blending with the snowy background. In the summer habitat, the brown rabbit would camouflage better as its fur color matches the earthy tones of the environment.
1. Snow Habitat:
In the snow habitat, the rabbit that would camouflage the best is the white rabbit. The reason for this is that its fur color matches the snowy background, providing effective camouflage. Predators in the area would have a harder time spotting the white rabbit against the white snow, increasing its chances of survival.
2. Summer Habitat:
In the summer habitat, the rabbit that would camouflage the best is the brown rabbit. The brown fur color of the rabbit blends well with the earthy tones of the environment during this season. This camouflage helps the rabbit hide from predators by making it less noticeable among the vegetation and natural surroundings.
Camouflage plays a crucial role in an animal's survival by allowing it to blend in with its surroundings and avoid detection by predators. In snowy habitats, animals with white or light-colored fur have an advantage as their colors match the snowy landscape. Conversely, in environments with lush vegetation and earthy tones, animals with brown or green coloration are better able to conceal themselves.
It is important to note that camouflage effectiveness may vary depending on factors such as lighting conditions, specific shades of fur color, and the presence of other visual cues in the environment. However, in general, white rabbits would be more successful at camouflage in snow habitats, while brown rabbits would have better camouflage in summer habitats.
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What is the genotype and phenotype ratios for F2 from last punnet square?
Answer:f2 is better
Explanation:
Every year thousands of people in the UK have heart attacks.
A heart attack is caused when the heart muscle cells do not get enough oxygen, causing the cells to die.
Statins and stents are two treatments used to reduce the risk of someone having a heart attack.
Evaluate the use of statins compared with the use of a stent to reduce the risk of a heart attack. [6 marks]
Statins lower cholesterol and prevent plaque buildup, while stents restore blood flow. Statins are preventive, stents are reactive; both reduce heart attack risk (option b).
Statins are medications that help reduce cholesterol levels and prevent plaque buildup in the arteries, thus decreasing the risk of heart attacks.
They are typically used as a preventive measure for individuals with high cholesterol or existing heart issues. Stents, on the other hand, are small mesh tubes inserted into narrowed or blocked arteries to restore blood flow.
They are a reactive treatment, used after detecting significant artery blockage or following a heart attack.
Both statins and stents have their own advantages in reducing heart attack risk, with statins acting as a preventive measure and stents providing immediate relief to blocked arteries.
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Discuss the definition of bioavailability relative to ecotoxicology and pharmacology.
Bioavailability in both ecotoxicology and pharmacology is concerned with the availability and accessibility of substances to organisms or target sites, considering various factors that influence their absorption, distribution, and elimination.
Bioavailability refers to the proportion of a substance that is available to have an effect on an organism, either in ecotoxicology or pharmacology. In ecotoxicology, bioavailability relates to the uptake and availability of contaminants in the environment to organisms.It considers the processes that affect the ability of organisms to absorb, distribute, metabolize, and excrete contaminants. In pharmacology, bioavailability refers to the extent and rate at which a drug reaches its target site and is available to produce a therapeutic effect. It involves factors such as drug absorption, distribution, metabolism, and elimination.For more questions on Bioavailability
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which two statements correctly relate RNA amino acids , and proteins
The two correct statements that relate RNA, amino acids, and proteins are C and D.
RNA, Amino acids, and ProteinsRNA is used to build the amino acid sequence: RNA molecules, specifically messenger RNA (mRNA), serve as templates for protein synthesis. During a process called translation, the sequence of nucleotides in mRNA is read by ribosomes, and the corresponding amino acids are assembled in a specific order to form a protein.
Long amino acid sequences fold in a specific way to form proteins: Proteins are composed of long chains of amino acids. After the amino acids are synthesized and linked together, the resulting chain folds into a three-dimensional structure, which is critical for the protein's function. This folding process is driven by various interactions between the amino acid residues in the chain, allowing the protein to adopt its specific shape and perform its specific function.
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Order the steps of protein synthesis.
Explain the limitation binomial nominclature (15 marks)
Answer:
- Binomial nomenclature is a widely accepted naming system, which is used in the naming of living things. Multiple native names make it extraordinarily tough to establish an organism globally and maintain an observation of the variety of species. Thus, it creates quite a lot of confusion. To eliminate this confusion, a normal protocol came up. According to it, every organism would have one scientific title which might be utilized by everybody to establish an organism.
What is binomial nomenclature?
Binomial Nomenclature follows a universally accepted naming system, which is used to provide a scientific name to a known organism.
Binomial Nomenclature also known as the binary nomenclature.
It uses two-terms during the nomenclature of a specie (plants, animals, and living organisms) that is why it called two-term naming system.
The scientific name of an organism or binomial nomenclature consists of two words, such as the generic epithet and describes the genus and the specific epithet and refers to the species of the organism.
Both of this term is written in italic and the genus name is capitalized.
Binomial nomenclature was given by Swedish botanist and physician Carl Linnaeus. He also called the founder of modern taxonomy.
Carl Linnaeus described and classified thousands of species of plants and animals in his book Systema Naturae.In this technique, there are particular guidelines that are followed while naming organisms. This normal algorithm is relevant to plants and animals whereas giving them distinctive names inside a given system.There are two worldwide codes such as the International Code of Botanical Nomenclature (ICBN) deal with the biological nomenclature for plants and the International Code of Zoological Nomenclature (ICZN) deal with the biological nomenclature of animals.
These two codes agreed upon by all of the biologists over the world for the naming protocol. These codes ensure that every organism will get a selected identity and that identity is globally recognized.
Summary of the limitation binomial nominclature:
- Some of the main drawbacks of binomial nomenclature are: If two or more names are actually in use in compliance with the priority rule, the appropriate name will be used first and the other names will end up being synonyms because authenticity is synonymous with the senior.
How might you use the viking spacecraft photograph differently from the mars surveyor photograph to find out about the planet
Both the Viking spacecraft photograph and the Mars Surveyor photographs are valuable tools for studying the planet Mars, but they provide different types of information and may be used differently in scientific investigations.
The Viking spacecraft photograph was taken in the 1970s and provides a broad overview of the Martian surface. It can be used to study the planet's geology, topography, and atmospheric conditions on a large scale. Scientists can use the photograph to identify features such as craters, valleys, and mountain ranges, and to study the composition and distribution of minerals and rocks across the planet.
On the other hand, the Mars Surveyor photograph provides higher-resolution images of specific regions of interest on the Martian surface. It can be used to study smaller-scale features such as rocks, boulders, and geological formations in greater detail. Scientists can use these images to identify and study specific geological processes such as erosion, sedimentation, and volcanic activity.
In summary, the Viking spacecraft photograph is useful for getting a broad overview of the Martian surface, while the Mars Surveyor photograph is better suited for studying specific regions of interest in greater detail. Both photographs are important tools for scientists studying Mars and can be used in complementary ways to advance our understanding of the planet.
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ions but you do not want to increase the volume of the blood by reabsorbing large amounts of water from the filtrate. Assuming the aldosterone and ADH are both present, how would you adjust the hormones to accomplish the task
Answer:
Aldosterone and ADH are part of the renin angiotensin aldosterone system, this system is a system regulated by the kidney and lungs to be able to raise blood pressure.
Explanation:
This system is a retainer of liquids and water, to increase the blood volume of our body, in this way arterial hypotension is compensated.
Another mechanism with which blood volume can be increased is with the stimulation of thirst, and the need to ingest a liquid because of the dry mouth that our central nervous system perceives.
Both mechanisms prevent hypotension and dehydration.
1. Many of the terms involving cells have a similar word form in them: prokaryote, eukaryote, and karyotype for example. Try to find out why (what the root word is and where it comes from), and report your findings here. Why do you think the root word is contained in all these words?
To answer this question we need to decompose each word so we can find where is the part that relates these words.
The three words have a greek root, as we can see:
Prokaryote: Pro= before, Karyon= nucleus
Eukaryote: Eu= New, after, Karyon= nucleus
Karyotype= Karion, Typos=Type
So prokaryotes are cells without nuclei and evolutive speaking are older than eukaryotes. Eukaryotes on the other hand possess a nucleus and are more recent than prokaryotes. A karyotype is the count and pairing of chromosomes of a eukaryotic organism.
In conclusion: all three words are related to the presence/absence of the nucleus and are related to their evolutive history.
please can you help me
Theme 11. Inflammatory
odontogenic cyst of jaw from deciduous and permanent teeth.Etiology, pathogeny, differential diagnostics, treatment.
1 What cysts are usually associated with the roots of carious or non-vital primary
teeth?
A dentigerous
B radicular
C paradental.
D follicular.
E residual.
2 Reduced regeneration of red blood cells identifies by presence (in blood test):
A atipical lymphocytes
B increasing the number of red blood cells.
C basophilic granulation of erythrocytes.
D poikilocytosis, microcytes with reduced number of reticulocytes.
E incrised level red blood cells sedimentation.
3 What size of bone resorption corresponds cystic formation?
A 8-10 mm
B 5 mm.
C 5-8 mm.
D more 10 mm.
E 10-15 mm.
4 Criteria by which to judge the seriousness of the infection:
A toxic appearance
B local warmth or heat near the caused tooth.
C temperatures elevated to 38.3° to 38.8°c.
D pulse rates of up to 100 beats, respiratory rate is 14 to 16 breaths per minute.
E involvement of extraoral fascial spaces, such as buccal space infections or
submandibular space infections.
5 Primary goal in surgical management of infection is:
A to remove the cause of the infection
B to provide drainage of accumulated pus and necrotic debris.
C removal of caused tooth.
D regional nerve block anesthesia.
E obtaining a specimen of the pus for culture and sensitivity (c&s) testing.
6 Drainage from the abscess cavity has stopped usually:
A 5-6 minutes.
B 2 to 5 days.
C 1-2 hours.
D 5 to 7 days.
E 1-2 days.
7 Indications for antibiotic use in oral surgery:
A severe pericoronitis, with temperatures higher than 100° f, trismus, and some swelling of the lateral aspect of the face
B acute-onset infection with diffuse swelling and moderate-to-severe pain.
C patients who have infections of any severity.
D infection that has progressed to involvement of extraoral fascial spaces.
E all above listed.
Answer:
B. Radicular cysts are usually associated with the roots of carious or non-vital primary teeth.
D. Reduced regeneration of red blood cells is identified by the presence of poikilocytosis, microcytes with reduced number of reticulocytes.
D. A bone resorption size of more than 10 mm corresponds to cystic formation.
E. The involvement of extraoral fascial spaces, such as buccal space infections or submandibular space infections, is a criterion by which to judge the seriousness of the infection.
B. The primary goal in the surgical management of infection is to provide drainage of accumulated pus and necrotic debris.
D. Drainage from the abscess cavity usually stops after 5 to 7 days.
E. Indications for antibiotic use in oral surgery include severe pericoronitis, acute-onset infection with diffuse swelling and moderate-to-severe pain, patients who have infections of any severity, and infections that have progressed to involvement of extraoral fascial spaces.
Explanation:
Which word best describes both texts I will mark brainiest
Answer:
Informative
Explanation:
Both texts provide information about mucus and its importance to the human body, as well as its origin.
........................................................
Answer:
It means that unavoided modification has accumulated on the original version.
Explanation:
When an engineer at a transmission station reports receiving noise, it means that they have detected unwanted and disruptive signals or interference in the transmission system. This noise can manifest as electrical disturbances, random signals, or other forms of electromagnetic interference that disrupt the quality and clarity of the transmitted information or data.
Receiving noise in a transmission system can have various causes, including environmental factors, electrical equipment malfunctions, electromagnetic interference from nearby sources, or signal degradation during transmission. It is essential for the engineer to identify and address the source of the noise to ensure the integrity and reliability of the transmitted signals. This may involve troubleshooting the equipment, adjusting signal filters, implementing shielding measures, or improving the overall transmission system design to minimize noise and maintain signal quality.
So, I think the bottom left is the right one.
Blood type has how many alleles associated with it?A. 1B. 3C. 4D. 2
The four main blood types are A, B, AB, and O. There are three alleles associated with the human blood type known as A, B, and O. We inherit one allele from our mother and the other from our father.
Answer - B. 3
Read each question carefully. Write your response in the space provided for each part of each question. Answers must be written out in paragraph form. Outlines, bulleted lists, or diagrams alone are not acceptable and will not be scored.
White blood cells called B cells produce proteins that can be used for the treatment of certain illnesses. However, these B cells do not live for very long on their own. To keep the B cells growing for a long time in laboratories, scientists fuse the B cells with cancer cells (fused B-cancer cells) that do grow for a very long time. The particular cancer cells used for the fusion are treated with chemicals that make them unable to produce the nitrogenous bases adenine and guanine, but the B cells with which they are fused do produce these nitrogenous bases. The scientists grow the large fused B-cancer cells in a growth medium that contains necessary nutrients for the cells and includes a source of carbon.
(a) Describe the role of carbon in biological systems.
(b) The membranes of both B cells and the cancer cells are largely composed of phospholipids. Explain how, when the membranes are fused, the polar parts of the phospholipids from one cell will interact with the phospholipids from the other cell and how the nonpolar parts of the phospholipids from one cell will interact with the phospholipids from the other cell.
(c) Make a claim about the most immediate effect on the fused B-cancer cells if the fused cells are transferred to a growth medium that lacks a source of nitrogen.
(d) Provide reasoning with evidence based on the composition of biological macromolecules to support your claim.
Answer: they can be ruduce
Explanation:
9. Javier is a navigator for the navy His ship has just lost all power in the middle of the ocean, including access to your GPS. Which astronomical tool would be MOST helpful in this situation?
Which option shows the correct order of mountains from the smallest grouping to the largest grouping
Answer:
D. peak, range, system, belt
Explanation:
1) What were the main lessons you learned about living things?
2) What were the main lessons you learned about nonliving things?
3) Is there any interrelationship between living and nonliving things?
4) What is the name given to the science that is concerned with the study a
living things?
StMary's a good day for me and you are the kids going ❤️❤️ a good time☺️☺️
Answer:
Im not sure
Explanation:
Im not sure because there could be many different answers
7. I'm full of holes flexible and thin. I control what gets out
As well as what Comes in .
Answer:
cell membrane
Explanation:
Answer:
CELL MEMBRANE AND NUCLEAS
Im thinking the answer is bacteria but I'm not sure
Answer:
Yes you are right
Explanation:
I did it in test
PLEASE HELP
How does the environment impact a species’ survival?
What carries nutrients and oxygen from the mother to the fetus.
A. Umbilical cord
B. Fallopian Tubes
Answer:
Umbilical Cord
Explanation:
The unbilical cord uses the blood of the mother to carry oxygen to the blood of the fetus through the placenta.
what is peace and conflict??
Help I dont understand
Answer:
Confused. Can you please include the article so i can edit this when i get a chance?
Explanation:
Changed my mind, I believe the answer is turns on. Just a guess without the article?
evolutionary significance of bryophytes
The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.
Here are some key evolutionary significance of bryophytes:
Adaptation to land: Bryophytes are considered some of the earliest land plants.
They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.
They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.
Moisture retention: Bryophytes have adaptations that enable them to retain moisture.
They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.
This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.
Soil formation: Bryophytes, especially mosses, contribute to soil formation.
They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.
Their decomposed remains also contribute organic matter to the soil, enriching its fertility.
Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.
Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.
They contribute to the overall biodiversity and ecosystem functioning.
Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.
Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.
Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.
Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.
Monitoring bryophytes can provide insights into the health and integrity of ecosystems.
Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.
Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.
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The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.
Here are some key evolutionary significance of bryophytes:
Adaptation to land: Bryophytes are considered some of the earliest land plants.
They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.
They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.
Moisture retention: Bryophytes have adaptations that enable them to retain moisture.
They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.
This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.
Soil formation: Bryophytes, especially mosses, contribute to soil formation.
They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.
Their decomposed remains also contribute organic matter to the soil, enriching its fertility.
Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.
Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.
They contribute to the overall biodiversity and ecosystem functioning.
Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.
Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.
Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.
Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.
Monitoring bryophytes can provide insights into the health and integrity of ecosystems.
Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.
Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.
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I need the answer pls it’s in scince WILL MARK BRAINLIST
Answer:
invasive species
An invasive species is an organism that causes ecological or economic harm in a new environment where it is not native
Explanation:
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Types of amino acids and discuss