Answer:
B. Pesticides from the farm up the road made their way into the pond and poisoned the fish.
Explanation:
Which of the following best explains how viruses replicate?
Answer:During attachment and penetration, the virus attaches itself to a host cell and injects its genetic material into it. During uncoating, replication, and assembly, the viral DNA or RNA incorporates itself into the host cell's genetic material and induces it to replicate the viral genome.
Explanation:
Virus replication is the formation of biological viruses during the infection process in the target host cells. Viruses must first get into the cell before their replication can occur.
What do you mean by Viruses?Viruses may be defined as infectious microbes consisting of an element of nucleic acid surrounded by a protein coat.
There are six steps that govern the replication of a virus. They are given below:
Adsorption or attachment: This step attaches the virus particle to the plasma membrane of the host cell. Penetration: It is done by receptor-mediated endocytosis and the virus now enters into the cytoplasm of the cell.Uncoating: This step breaks the whole structure of the virus particle and allows its genetic material to reach inside the nucleus of the host cell.Viral Genome replication: This is done in the nucleus of the host cell.Maturation: It involves the growth of replicated virus particles.Release: It allows the replicated virus particle to move outside the host cell by bursting it.Therefore, it is well described above.
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Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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What is demonstrated as necessary by this experiment for photosynthesis to occur?
Answer:
Light
Explanation:
This is one of the major factors in photosynthesis.
Why did my systolic BP decrease when I got less sleep?
Shouldn’t my BP increase when getting less sleep ?
Answer:
The decrease in systolic blood pressure following reduced sleep might be due to a number of factors, including:
1. Dehydration: If you're not drinking enough fluids or if you're losing fluids (through sweating, for example) during the night, your blood volume could be affected, leading to a temporary drop in blood pressure.
2. Fatigue: The stress associated with sleep deprivation could cause your body to produce more adrenaline, which might lead to a temporary drop in blood pressure as your body tries to conserve energy.
3. Parasympathetic activation: Sleep deprivation may cause an increase in the activity of the parasympathetic nervous system, which tends to lower heart rate and blood pressure.
4. Individual variations: Your body's response to sleep deprivation might simply be unique to you. There is considerable variability in how people's blood pressure responds to changes in sleep patterns.
It is important to remember that these explanations are general and speculative. If you have concerns about your blood pressure or the effects of your sleep patterns, it is important to consult a healthcare professional for personalized advice.
group of students is walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind. What caption can the student use for this picture?
gene mutation in action
gene flow at work
genetic drift as it happens
natural selection in progress
Answer:The answer is "gene flow at work."
Explanation:
Answer:
HACCP is a program designed to create awareness of potential points
of contamination in a food-processing facility.
a. true
b. false
2 Answer:
A bacteriostatic agent uses static electricity to remove bacteria
from a surface.
a. true
b. false
3 Answer:
The three major sources of contamination in a food processing plant
are people, processing equipment, and the plant environment.
a. true
b. false
4 Answer:
Water hardness is a measure of the presence of substances in water
that form insoluble precipitates with soap.
a. true
b. false
5 Answer:
The floor of a food processing facility should have an unfinished
concrete surface for easy cleaning.
a. true
b. false
Answer:
i want points please...................
Villi in small intestine helps to increase area of absorption for minerals and nutrients.
True
False
Answer:true
Explanation:The function of the plicae circulares, the villi, and the microvilli is to increase the amount of surface area available for the absorption of nutrients. Each villus transports nutrients to a network of capillaries and fine lymphatic vessels called lacteals close to its surface.
(02.07 LC)
A plant has to produce carbohydrates because
a) carbohydrates are needed to move ATP from cell to cell
b) carbohydrates are needed for building material
c) carbohydrates store the genetic material within the cells
d) carbohydrates store energy for a long time
If you were to teach your friend about Sustainable Development Goals #13 Climate Action, how would you explain it?
Answer:
Please read below...
Explanation:
Sustainable Development Goal #13, known as Climate Action, is a global initiative aimed at addressing the urgent challenges posed by climate change. It recognizes that climate change is one of the most pressing issues of our time and calls for collective action to mitigate its impacts and build resilience to future changes.
Climate Action encompasses various strategies and measures designed to reduce greenhouse gas emissions, promote sustainable practices, and adapt to the effects of climate change. Here are some key points to explain this goal:
Urgency and Scope: Climate change is a global phenomenon affecting all nations, ecosystems, and sectors of society. It poses significant risks to the environment, human well-being, and economic stability. Climate Action emphasizes the urgency of addressing these challenges to safeguard our planet and future generations.
Mitigation: One essential aspect of Climate Action is reducing greenhouse gas emissions responsible for global warming. This involves transitioning to cleaner and more sustainable energy sources, increasing energy efficiency, adopting eco-friendly practices in industries, promoting sustainable transportation, and preserving forests that act as carbon sinks.
Adaptation: Another crucial aspect is building resilience and adapting to the impacts of climate change. This includes developing strategies to protect vulnerable communities, infrastructure, and ecosystems from rising sea levels, extreme weather events, water scarcity, and other climate-related risks. It involves planning resilient cities, improving disaster preparedness, and implementing sustainable agriculture practices.
International Cooperation: Climate change is a global challenge that requires collective action. The Climate Action goal emphasizes the importance of international cooperation, collaboration between governments, private sector engagement, and involvement of civil society to achieve meaningful impact. Initiatives like the Paris Agreement aim to unite nations in their efforts to combat climate change.
Co-benefits: Climate Action recognizes that addressing climate change can bring multiple benefits beyond environmental protection. It can create new employment opportunities, stimulate innovation and technological advancements, improve air quality and public health, enhance energy security, and foster sustainable economic growth.
By explaining these key points, you can help your friend understand the importance of Sustainable Development Goal #13 and how it aims to tackle climate change through collective efforts, sustainable practices, and resilience-building strategies.
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15 points also
A flask containing photosynthetic green algae and a control flask containing only water are exposed to a cycle of 12 hours of light and 12 hours of darkness. Which of the following statements best describes how the relative dissolved oxygen concentration in the flask with algae will compare to the control flask?
A. The dissolved oxygen in the flask with algae will not be different from the control flask at any time.
B. The dissolved oxygen in the flask with algae will always be higher.
C. The dissolved oxygen in the flask with algae will be higher in the light, but lower in the dark.
D. The dissolved oxygen in the flask with algae will always be lower.
E. The dissolved oxygen in the flask with algae will be higher in the light, but the same in the dark.
The option that correctly describes the relative dissolved oxygen concentration in the flask with algae will compare to the control flask is C. The dissolved oxygen in the flask with algae will be higher in the light but lower in the dark.
What factors can increase the amount of dissolved oxygen in water? Temperature, pressure, salinity and biological organisms are the major contributing factors that affect dissolved oxygen. If the medium contains a photosynthetic plant that too in the presence of light, then this will increase the dissolved oxygen. On the other hand, increased salinity and warm water decrease the amount of oxygen dissolved in water. As given above, the flasks containing the green algae and water are given 12 hours of light and then put 12 hours in darkness. The flask that contains the algae contains more dissolved oxygen during the light hours as algae are photosynthesis in nature and thus, they will do photosynthesis during 12 hours of lighting. But, the control flask contains only water and thus, there will be no addition of dissolved oxygen.Thus, we can conclude that flask that contains algae have more amount of oxygen dissolved than the control flask containing only water. During 12 hours of darkness, no photosynthesis occurs and hence algae containing flask will have a lower amount of dissolved oxygen.
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In what way are thermal pollution and eutrophication similar in their impacts on aquatic ecosystems?
A) Both processes are caused by sewage effluent.
B) Both processes occur often in the spring and rarely in the winter.
C) Both processes increase the nutrients that are available in the freshwater ecosystem.
D) Both processes can lead to lowered dissolved oxygen and reduced biodiversity in lakes and rivers.
Answer:
“Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use”.
Explanation:
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HELP ME , THIS IS A UNIT QUIZ !! I WILL MARK BRAINLIEST!!
A subduction zone is a _____ boundary where ____.
A) divergent
an oceanic plate moves under a continental plate
B) convergent
an oceanic plate moves under a continental plate
C) convergent
two oceanic plates meet and form a ridge
OD) divergent
two continental plates move apart
Convergent boundaries can occur between oceanic plates, beteen continental plates, and between an oceanic and a continental plate. B) convergent an oceanic plate moves under a continental plate.
What is a convergent boundary?Convergent boundaries refer to the event that occurs when two plates move forward to each other and end up colliding, causing deformation in one or both plates.
Three possible collisions might occur,
Two oceanic plates might collide ⇒ subductionThe thickest plate subduces and causes a deformation on the other plate edge, creating an oceanic trench.
Hot magma rises to the surface by these trenches and creates volcanoes on the superior plate. These volcanoes can be underwater or emerge from the ocean surface forming island arcs or insular volcanic arcs.
Japanese islands and the Philippines are examples.
Two continental plates might collide ⇒ obduction
Both plates are too light to subduce (equally dense), so neither sinks under the other.
Occurs a vertical deformation on both plates' edges, which remain attached by a suture area. The result is an inland mountain chain formation.
Examples of these are Alpes, Urales, and Himalayan mountains.
Oceanic plate and a continental plate collide ⇒ Subduction
When the oceanic plate collides with the continental plate, the first one sinks under the continental plate.
Magma rises to the surface by crevices resulting in the mountain chains or volcanic chains formation due to the deformation caused on the continental plate edge.
The Himalayas and Los Andes are examples of these collisions. Also, collisions create volcanic arches and continental arches.
The correct option is B) convergent an oceanic plate moves under a continental plate.
A subduction zone is a convergent boundary where an oceanic plate moves under a continental plate.
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Mitosis is a type of cell division. Organize the images below to show the steps of mitosis.
The steps of mitosis in the correct order as shown in the attached image is:
F, E, C, G, H, A, D, and BWhat is mitosis?Mitosis refers to the process of cell division in which two daughter cells are produced from a single parent cell.
During mitosis, the cell and its contents are divided into two. The chromosomes are also duplicated to ensure that the number of chromosomes in each daughter cell is diploid.
The steps of mitosis are as follows:
interphase,prophase,prometaphase,metaphase,anaphase, andtelophaseInterphase: this stage is composed of the first cell growth phase, G1, an S phase involving DNA synthesis, and the second cell growth phase, G2.
Prophase: here, centrioles move apart, chromatin is condensed and chromosomes become visible.
Metaphase: chromosomes separate to the equators.
Anaphase: sister chromatids separate and move to the opposite poles of the cell.
Telophase: sister chromatids become new chromosomes, centriole pairs form outside each of the nuclei.
Cytokinesis occurs and then the genetic material of the new daughter cells is no longer condensed.
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How are astronomers able to determine what elements are found in other stars and galaxies?
Answer:
This type of study is called spectroscopy. The science of spectroscopy is quite sophisticated. From spectral lines astronomers can determine not only the element, but the temperature and density of that element in the star. The spectral line also can tell us about any magnetic field of the star.
Explanation:
Explain why tate of diffusion of carbon dioxide increases during exercise
Answer:
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Explanation:
When the body undergoes exercise, your body needs more energy, which means your tissues consume more oxygen than they do at rest.
Consuming more oxygen means you will also produce more carbon dioxide because your metabolic rate is elevated.
Answer:
During exercise, blood spends up to half the normal time (one second at rest) in the pulmonary capillaries due to the increase in cardiac output moving blood around the body more quickly.
Explanation:
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12. A postpartum woman came to clinic secking for a non-hormonal and long-acting contraceptive as she does not need more children. The nurse explained about the benefits and side effects of the contraceptive method requested and planned to provide the service for the woman What is the most appropriate time to provide this contraception after delivery? A. 45 days 48 hours C. Six months IX. Nine month
The most appropriate time to provide contraception after delivery is 45 days. Hence option (A) is the answer.
When should a woman start contraception after giving birth?In general, women with additional risk factors for venous thromboembolism should not take combined hormonal contraceptives for the first 21 days postpartum, and they should not use them for up to 42 days postpartum. However, after 42 days postpartum, they may be used without restriction.
If you intend to nurse your child, you should refrain from taking the majority of hormonal birth control methods for 4 to 6 weeks following your pregnancy. Because your milk production could be impacted by the hormones. They are often ready for use three weeks after delivery if you don't intend to breastfeed. To avoid unwanted pregnancies, however, effective contraception is necessary up until menopause.
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Listed in the Item Bank are key terms and expressions, each of which is associated with one of the columns. Drag and drop each item into the correct column. Order does not matter.
(Picture Posted)
According to the question the Sexual Reproduction: Horse egg and sperm unite.
What is Reproduction?Reproduction is the biological process by which organisms produce new individuals of their own kind. In most cases, it involves the fusion of two specialized reproductive cells, the female egg and the male sperm, to form a new and unique organism. Reproduction is a fundamental characteristic of all known life forms and is the process by which living things propagate their species. Asexual reproduction, which is reproduction without the fusion of gametes, is also common in some species, such as bacteria and plants. Reproduction is essential for the continuation of life on earth and is the foundation of the human population.
Asexual Reproduction: Bacteria divide by fission, A mushroom releases spores, A yeast cell develops a "bud", A pine tree releases pollen that gets trapped in a seed cone, Strawberry plant with runners.
Bacteria swap DNA during conjugation: Bacteria swap DNA during conjugation.
Gametes from protozoans fuse: Gametes from protozoans fuse.
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Suppose in a strain of soybeans, high oil (H) content in the seeds is dominant to low oil content and four seeds (E) in a pod is dominant to two seeds in a pod. A farmer crosses two soybean plants, both with (High oil / four seeds: High oil / two seeds: Low oil / four seeds: Low oil / two seeds). What genotype were the parent plants?
The genotype of the parent plants in this cross is HhEe.
Based on the given information, we can determine the genotypes of the parent plants by examining the phenotypes of their offspring.
Let's denote the high oil content allele as H and the low oil content allele as h. Similarly, let's denote the four seeds allele as E and the two seeds allele as e.
The given parent plants have the following phenotypes:
- High oil / four seeds (unknown genotype)
- High oil / two seeds (unknown genotype)
- Low oil / four seeds (unknown genotype)
- Low oil / two seeds (unknown genotype)
From this information, we can deduce the possible genotypes of the parent plants by analyzing the inheritance patterns observed in their offspring.
If we cross two plants with the genotype HhEe (High oil / four seeds), we would expect the following ratios in their offspring:
- High oil / four seeds: 9/16
- High oil / two seeds: 3/16
- Low oil / four seeds: 3/16
- Low oil / two seeds: 1/16
Since the observed ratio matches the given phenotypes of the parent plants, it is likely that both parent plants have the genotype HhEe (High oil / four seeds).
Therefore, the genotype of the parent plants in this cross is HhEe.
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where is genetic information stored in human epithelium
Your chromosomes contain the blueprint for your body – your genes. Almost every cell in the human body contains a copy of this blueprint, mostly stored inside a special sac within the cell called the nucleus. Chromosomes are long strands of a chemical substance called deoxyribonucleic acid (DNA).
How is the skeletal system like a machine
Answer:
it is a machine because it helps to see your skeletons.
Explanation:
which of the following is not an accessory organ to the skin? group of answer choices sensory receptors nails hair sweat glands
The correct option is A ; sensory receptor , The D. Dermis is not considered a skin accessory structure. The dermis is a layer of skin beneath the epidermis that contains several accessory structures such as hair follicles, hair, sebaceous glands, and sudoriferous sweat glands.
Hair, nails, sweat glands, and sebaceous glands are examples of skin accessory structures. These structures develop embryologically from the epidermis and can extend into the dermis and hypodermis.
Understanding the skin necessitates knowledge of its supporting structures. Hair, nails, sweat glands, and sebaceous glands all develop embryologically from the epidermis.
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Full Question;
Which is NOT an accessory organ to the skin?
A. sensory receptor
B. hair
C. nail
D. sweat gland
HIGHSCHOOL
Use the same article to answer the following question.
Strongest Muscle
Explain why the heart can be considered the muscle with the greatest elastic strength.
Which of the following did you include in your response? Check all that apply.
+The heart pumps 2 ounces (71 grams) of blood at every heartbeat
+The heart pumps 2,500 gallons (9,450 liters) of blood each day.
+The heart beats over three billion times in a person’s lifespan
Responses included are:
The heart pumps 2 ounces (71 grams) of blood at every heartbeat. The heart pumps 2,500 gallons (9,450 liters) of blood each day. The heart beats over three billion times in a person’s lifespan. Why does the heart muscles have great elastic strength?The heart is a four-chambered organ that is located in the center of the chest. The two upper chambers of the heart are called the atria, and the two lower chambers are called the ventricles. The atria receive blood from the body, and the ventricles pump blood to the lungs and the rest of the body.
The heart is a vital organ that is essential for life. It is responsible for pumping blood throughout the body, which delivers oxygen and nutrients to the cells and removes waste products. The heart is a strong and resilient organ, but it can be damaged by disease or injury. If the heart is not functioning properly, it can lead to a number of health problems, including heart failure, stroke, and heart attack.
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What does f(10) represent? The number of dollars it costs for 10 people to rent the house The number of houses that can be rented for 10 days The number of days the house can be rented for a cost of $250 The number of dollars it costs to rent the house for 10 days
The total cost f(x), in dollars, for renting a vacation house for x days is shown:
f(x) = 10 + 250x
The function f(x) = 10 + 250x represents the total cost, in dollars, for renting a vacation house for x days. In this case, f(10) represents the cost of renting the house for 10 days, which can be calculated as 10 + 250(10) = 2510 dollars. Option 4 is correct.
To find out what f(10) represents, we simply substitute 10 for x in the given function:
f(10) = 10 + 250(10)
f(10) = 10 + 2500
f(10) = 2510
This function can be used to calculate the total cost of renting the house for any number of days, making it a useful tool for budgeting and planning purposes. Hence option 4 is correct.
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--The complete Question is, What does f(10) represent?
The number of dollars it costs for 10 people to rent the house The number of houses that can be rented for 10 days The number of days the house can be rented for a cost of $250 The number of dollars it costs to rent the house for 10 daysThe total cost f(x), in dollars, for renting a vacation house for x days is shown: f(x) = 10 + 250x --
How can friction be lessened?
A). Add less force
B). Add more force
C). increase the speed
D). add wheels
Which statements describe advantages of medical sensors with cellular internet connections? Select the two correct answers.
The statements that describe advantages of medical sensors with cellular internet connections are :
A. Real-time MonitoringC. Increased Privacy and SecurityWhat are the advantages of medical sensors with cellular internet connections ?Medical sensors with cellular internet connections allow for real-time monitoring of vital signs and health parameters, facilitating timely interventions and proactive care management.
Medical sensors with cellular internet connections offer enhanced privacy and security measures to protect patient data, ensuring confidentiality and compliance with data protection regulations. Medical sensors with cellular internet connections can be used to collect data from a variety of sources, which can help to improve research and development in the healthcare industry.
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Options include:
A: Real-time Monitoring
B: Cost Efficiency
C: Increased Privacy and Security
D: Longer Battery Life
E: Compatibility with Legacy Systems
explain why a plant need nitrogen, phosphorus, magnissium, potassium
Photosynthesis and cellular respiration are related processes in living things. What is true about these processes?
A.
Plants perform only photosynthesis.
B.
Animals perform both photosynthesis and cellular respiration.
C.
Plants perform both photosynthesis and cellular respiration.
D.
Animals perform only photosynthesis.
Answer:
C. plants perform both photosynthesis and cellular respiration
. Mushroom is under............
i. Genus
ii. Donail
iii. Taxonomy
iv. Species
Answer:
Mushrooms are classified under the categories of "Genus" and "Species" in taxonomy. The genus refers to a group or category that includes closely related species, while the species represents a specific type or kind of organism. So, the correct options for mushrooms would be "i. Genus" and "iv. Species."
A group of students did a biotechnology experiment with fermented coconut water and certain micro-organism, so the product produced several characteristics: Fluffy and a little bit taste sour, based on the data can be concluded that the micro-organism is
A. Acetobacter xylinum that changes glucose to cellulose and excess acetic acid
B. Lactobacillus bulgaricus that change glucose to cellulose and excess lactic acid
C. Neurospora sitophila that change protein to citric acid
D. Saccharomyces cerevisiae that changes starch to alcohol and CO
It can be concluded that the micro-organism is Acetobacter xylinum that changes glucose to cellulose and excess acetic acid. Option A
What is Acetobacter xylinum?From the experiment with fermented coconut water and a micro-organism, it could be deduced that the the fluffiness and soar taste are characteristics of the micro-organism involved called Acetobacter xylinum.
Acetobacter xylinum is a species of acetic acid bacteria that is known for its ability to convert glucose into cellulose and acetic acid. This produces a gel-like fluffiness.
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