Answer:
most ocean pollution comes from plastic waste and garbage flood
Answer:
Ocean pollution is caused by the introduction of toxic materials and harmful pollutants such as agricultural and industrial waste, chemicals, oil spills, and plastic litter into the ocean waters.
why is the silkworm called a useful insect?
An antibiotic is effective in killing 95% of a population of bacteria that reproduce by
the process shown below. Which statement best describes future generations of these
bacteria?
The statement that best describes the future generations of these bacterias is that they will be produced by asexual reproduction and will be more resistant to the antibiotic. So the correct option is 1.
What are antibiotics?Antibiotics are drugs that will be used to combat bacterial infections that cause diseases, hindering their reproduction and growth. It is important to know which is the agent that is affecting the individual to see if the use of antibiotics is necessary, since if their use is abused and used in viral diseases, resistance can be generated, making it difficult in the future to combat bacterial infections. It can also affect the intestinal flora by consuming it continuously.
Antibiotic resistance is generated when bacteria survive a specific antibiotic, losing its effectiveness. The bacterium learns to survive and defend itself against this antibiotic.
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Which of the following was not a desired goal of hydrogenating polyunsaturated fatty acids in butter- like spreads? a) To make the compound have the consistency of butter b) To make the compound a solid at room temperature c) To put trans double bonds into the molecule d) To remove some of the double bonds in the molecule
It was not the expected consequence of hydrogenating polyunsaturated fatty acids in butter-like spreads to introduce trans double bonds into the molecule.
Describe what fatty acids are.The basic elements of fat in our bodies and the food we eat are called fatty acids. The body turns lipids into fatty acids during digestion so that they may be taken into the circulation. Three fatty acid molecules are joined together to form a molecule called a triglyceride.
Which two essential fatty acids dominate?The most crucial fats, though, are those that our bodies are unable to produce and must obtain from diet. These essential oils (EFAs) are composed primarily of the omega-6 group linoleic acid.
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An organism that carries out photosynthesis and occupies the lowest trophic
level is called a(n)___.
A. primary consumer
B. autotroph
C. secondary consumer
D. heterotroph
Answer:
autotroph
Explanation:
that's the answer
Explain what cells, tissues ,or organs would have to change for animals to successfully photosynthesis.
Answer:
In order for animals to successfully be able to go through photosynthesis,
Explanation:
animals would need a chloroplast since photosynthesis occurs in the chloroplast of plant cells.
ASAP!!!A scientist designed an experiment to test where a plant's matter came from. She
measured the starting mass of a willow tree, the soil, and the container. After five
years, she repeated the measurements and observed that the tree gained 74 kg (164
lbs) but the soil had not changed much at all (only lost 57 g, approximately 0.12 lbs).
1. Use evidence, from the results, to explain that the idea that the mass of a tree
comes from the soil, is incorrect. 2 points
2. Why is it incorrect to say that the tree's mass comes from sunlight? 1 point
3. If the mass of the tree does not come from the soil or sunlight, explain the trees
increase in mass. 2 points
Explanation:
The fact that the soil did not change significantly after five years, while the tree gained 74 kg, suggests that the tree's mass did not come from the soil alone. If the tree had gained all its mass from the soil, the soil would have lost an equivalent amount of mass, which did not occur. Therefore, this evidence suggests that the mass of a tree does not come solely from the soil.
While sunlight is necessary for photosynthesis, which allows the tree to produce glucose, the mass of a tree does not come directly from sunlight. Rather, the tree uses the glucose produced during photosynthesis to build its own tissues, such as leaves, branches, and roots. Therefore, while sunlight is necessary for the tree to grow, it is not the source of the tree's mass.
The tree's increase in mass is primarily due to the process of photosynthesis. During photosynthesis, the tree uses energy from sunlight to convert carbon dioxide and water into glucose, which it then uses to build new tissues. Additionally, the tree may have also taken up nutrients, such as nitrogen and phosphorus, from the soil, which it incorporated into its tissues. However, it's important to note that the majority of the tree's mass comes from the carbon that it takes up during photosynthesis, rather than the nutrients in the soil.
ASAP ASAP 50 POINTS
In three to four sentences explain both the positive and negative effects of mutations.
Answer:
positive mutations means positive impacts of mutations i.e it leads to mutations. while negative effects leads to chromatic aberration that occurs during phenyl ketonuria!
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Explain how this experiment showed that genetic drift was not a cause of the antibiotic resistance
By demonstrating a consistent pattern of antibiotic resistance increase rather than random fluctuations, the experiment provided evidence against genetic drift as a significant cause of antibiotic resistance in the studied bacterial population.
To explain how an experiment showed that genetic drift was not a cause of antibiotic resistance, let's consider the following scenario:
In the experiment, a population of bacteria with varying levels of antibiotic resistance was divided into two separate groups: Group A and Group B. Each group was kept in separate environments and exposed to the same antibiotic over a period of time.
If genetic drift were a significant factor in the development of antibiotic resistance, we would expect to observe random fluctuations in resistance levels within each group over time, leading to divergent resistance patterns between the two groups.
However, the experiment showed that both Group A and Group B displayed a consistent increase in antibiotic resistance over time. This implies that there was a selective pressure favoring the bacteria with higher resistance, indicating that natural selection, rather than genetic drift, was driving the increase in resistance.
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A.
B.
C.
D.
Astronomy.
Your Answer is Option "C"- Carbon dioxide.
Explanation:
The atmosphere of Venus is made up almost completely of carbon dioxide. It also includes small doses of nitrogen and clouds of sulfuric acid.
Linda received the flu vaccine this year.
Which of the following statements is true?
Linda's T-cells will produce memory cells against the virus.
Linda's body will produce antigens against the flu virus.
Linda's immune system will produce lifelong immunity against any form of the flu.
Linda's immune system will produce antibodies against the flu virus.
Answer:
Linda's immune system will produce antibodies against the flu virus
Answer:
Linda's immune system will produce antibodies against the flu virus
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state the general name for plants that live in and are adapted for dry conditions
In general, bacterial cells are prokaryotic. Which cells are eukaryotic?
• animal and plant cells
• bacteria cells
What is the probability of two cystic fibrosis carriers having a child with cystic fibrosis?
A. 0%
B. 25%
C. 50%
D. 100%
Answer:
Each time two CF carriers have a child, the chances are: 25 percent (1 in 4).
Therefore, your answer is B.
Please help mee I don’t have much time wit all the questions
Answer:
0.5 ........
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Find the speed of a caterpillar that crawls a distance of 6.0 cm every
2.0 seconds. The equation for speed is v=d/t.
Answer:
3 cm per second
Explanation:
6/2=3 cm per second
Write a description of the chromosomes within the cells of a diploid plant with 8 chromosomes per diploid cell at the end of each phase of meiosis by filling out the table below. Recognize that cytokinesis is completed by the end of telophase and that two cells will be present for every cell that enters telophase.
A cell with 8 chromosomes will enter cytokinesis to produce two daughter cells with 8 chromosomes each, and before that, it will be one single cell with 16 chromosomes in telophase.
What is cytokinesis?Cytokinesis is the process of division of cytoplasm in eukaryotic cells during mitosis or meiosis.
A diploid cell in telophase has two complete pair sets of homologous chromosomes that separate during this phase.
In conclusion, this cell enters cytokinesis to produce two cells having 8 chromosomes each, and before that it is one cell with 16 chromosomes.
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what are the similarities of mitosis and miosis?
Answer:
Mitosis and meiosis are two processes by which eukaryotic cells may divide and share several similarities: They are both preceded by interphase (which includes DNA replication) They both divide according to a common pathway (prophase → metaphase → anaphase → telophase) They both split their cells via cytokinesis.
Explanation:
Answer:
Explanation:
Mitosis and meiosis are the two ways by which cells reproduce. As a result, they share several steps in their respective processes. Meiosis adds another division and a step that mixes the genetic material from the parent cells, but in both cases the cell must duplicate its DNA, pull it apart into two sets, place the sets on each end of itself, and then divide down the middle. Both mitosis and meiosis produce fresh new cells based on their parent cells' genes.
internal factors include
Where do the reactions for photosynthesis happen in a cell? Why is it important?
The reactions for photosynthesis happen in the chloroplast of the cell, an organelle that is unique to plant cells.
What is Photosynthesis?Photosynthesis may be defined as the process through which green plants and some algae synthesize their own food (glucose) with the help of carbon dioxide and water in the presence of sunlight.
The light reaction of the photosynthesis occurs in the thylakoid region of the chloroplast, while the dar reaction occurs in the stroma of the chloroplast.
This is important because the needs for both reactions are delivered by different regions. For example, the enzymes of the stroma do not require light but require ATP and NADPH which are already prepared by the light reaction in the thylakoid membrane.
The light reaction uses light energy that produces ATP and NADPH.
Therefore, it is well described above.
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Why do species occur where they do
The survival of a species rely on both physical and biotic factors. Its distribution is not the same in various places. Every species have their own prefered habitat to live. Certain animals luive in certain places. Cities can provide more food, shelter and protection to wildlife. They can reproduce more and get more food in the cities than in other places.
These are referred to as abiotic factors. It includes the temperature, sunlight, and moisture level. They based their choice of habitat on these factors. If the species' needs are not met in certain place, they will move to a better habitat.
which theory states that living things change slowly over time in response to their environment
Which of the following is an example of the letter "o" in a SOAP note?
The blood pressure is 160/90 mm Hg
Will order prescription refill for blood pressure medication
The patient complains of high blood pressure
The patient should return in 2 weeks
That which is an example of the letter "o" in a SOAP note is this: The patient complains of high blood pressure.
What is the meaning of the letter O?In an objective report, the letter O stands for objective observations that the caregiver makes with respect to the patient. For instance, when the caregiver observes that the patient has a blood pressure reading that seems quite high, then they are making observations.
The O stands for both the observations being made and the objectivity they come with.
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Which statement best explains the process of subduction? (1 point) O Magma rises through the cracks in a solid rock plate. O An oceanic plate covers a continental plate. O A denser plate pushes down under a lighter plate. O One plates slides past another plate horizontally.
The correct answer choice from the above statement best explains the process of subduction is:
An oceanic plate covers a continental plate
Option a is the correct answer choice
What is subduction?Subduction can simply be defined as a kind of geological process or recycling which occurs at a convergent tectonic plate boundaries or where two tectonic plates come crashing together.
So therefore, the correct answer choice from the above statement best explains the process of subduction is:
An oceanic plate covers a continental plate
Option a is the correct answer
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A denser plate pushes down under a lighter plate.
why animal distribution considered a phenomenon
Animal distribution is considered a phenomenon as a result of the variations in their presence and interactions in different parts of the world where they are present.
What is Distribution?This is defined as the way something or a organism is spread across a particular area over a given period of time and is usually influenced by factors such as climate, predation etc.
Animal distribution is however regarded as a phenomenon as a result of their different ways and manner of movement to different places in search of food and water. This is also denoted with how they interact with their surrounding environment and also to boost their survival chances thereby preventing extinction.
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What causes the earths tides; describe the conditions for the largest tides?
Answer:
Earth's rotation and the gravitational pull of the sun and moon create tides on our planet. Because the sun is so much larger than the moon (27 million times more masssive), it has a much bigger graviational pull on Earth.
Do dead trees have cells
Offensive behavior must be targeted at the person to be illegal?
Answer:
I guess
Explanation:
i guess you could say that
No, offensive behavior does not have to be targeted at the person to be illegal.
Offensive behavior can be considered illegal even if it is not specifically directed towards a particular person. Here's a step-by-step explanation: 1. Offensive behavior refers to actions or language that is disrespectful, hurtful, or inappropriate towards others.
2. In legal terms, offensive behavior can fall under different categories such as harassment, hate speech, or discrimination.
3. Harassment involves unwanted conduct that violates a person's dignity, creates an intimidating, hostile, degrading, or offensive environment, or causes them distress.
4. Hate speech refers to any speech, gesture, or conduct that may incite violence or discrimination against individuals or groups based on attributes such as race, religion, ethnicity, nationality, sexual orientation, or gender.
5. Discrimination occurs when someone is treated unfairly or unequally based on certain characteristics, such as age, gender, race, religion, disability, or sexual orientation.
6. These behaviors can be illegal regardless of whether they are targeted at a specific person or a group of people.
7. Laws vary from country to country, but many have legislation in place to protect individuals from offensive behavior and ensure their safety and well-being.
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which of the following diseases has been all but eliminated from the united states because of wastewater treatment plants? which of the following diseases has been all but eliminated from the united states because of wastewater treatment plants? west nile virus yellow fever cholera lyme disease malaria
Cholera has been almost eliminated from the United States because of wastewater treatment plants. Here option A is the correct answer.
Wastewater treatment plants help to prevent the spread of cholera by treating the sewage, removing pathogens and contaminants, and releasing clean water.
This decreases the likelihood of cholera-causing bacteria being present in the environment and spreading to humans through contaminated water sources. While it has not been completely eradicated, widespread use of wastewater treatment has significantly reduced the incidence of cholera in the United States and other developed countries.
Other diseases, such as the West Nile virus, yellow fever, Lyme disease, and malaria, are not primarily spread through contaminated water and have not been eliminated by wastewater treatment.
Complete question:
Which of the following diseases has been all but eliminated from the united states because of wastewater treatment plants?
A - Cholera
B - Typhoid
C - Polio
D - Smallpox
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The interior of the phospholipid bilayer is _______ meaning it repels polar molecules, such as water
The cell membrane's inside is hydrophobic, meaning that water won't cling to it. In order to effectively separate fluid inside the cell from fluid outside the cell, phospholipids form a two-layer cell membrane.
Why do polar molecules repelled by the phospholipid bilayer?Large hydrophilic polar or ionic molecules find it difficult to pass through the phospholipid bilayer. The cell membrane prevents the passage of any size charged atoms or molecules.
What component of the phospholipid bilayer is water-repellent?While the tails (the lipid component) are non-polar, the heads (the phospho part) are polar. The tails, which face the inside of the cell membrane, are "hydrophobic" (fearful of water), whereas the heads, which make up the exterior and inner linings, are "hydrophilic" (lovers of water).
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Gene expression is determined by several factors, including
O chemicals in the body
O senescence
O protein synthesis
O the brain
Gene expression is determined by several factors, including chemicals in the body, senescence and protein synthesis (options 1, 2 and 3).
What are gene expression patterns in the cells?Gene expression patterns in the cells refer to all genes that are being transcribed in a cell, which depends on different factors such as the presence of regulatory proteins (transcription factors), epigenetic marks, etc.
Therefore, with this data, we can see that the regulation of gene expression in the cells is variable and this process depends on the presence of diverse factors that work together to shape transcription.
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