How does biology help the environment?
Answers
For example, biologists analyze soil, water, and air for chemical pollution as part of the protection, management, and monitoring of the land's current resources. discovering methods to clear up pollutants.
The environment is it studied in biology?A life science is biology. The living environment and the interaction between biological organisms and their surroundings are important topics to discuss when studying biology.
How is science beneficial to the environment?Science has aided in the reduction of pollutants in many regions of the world; new automobiles today are 99% cleaner than they were fifty years ago, for instance. The current global energy demand can be met by renewable resources more than 3,000 times over. We now have cleaner, safer water thanks to new discoveries and technology.
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Related Questions
Which of the following is true about high clouds?
A.) They cause most precipitation
B.) They are a sign of severe weather
C.) They generally produce lightning
D.) They are composed of ice crystals
Answers
Answer:
D.) They are composed of ice crystals
Explanation:
Asthma narrows airways to the lungs and in the lungs by contraction of muscles around the air passages, swelling of the airway lining, and build-up of excessive mucus. Because of this, asthma makes both the ___________ and ______________ systems work harder to deliver oxygen to the cells throughout the body. A) respiratory; nervous B) respiratory; muscular C) respiratory; digestive D) respiratory; circulatory
Answers
a bacterium is infected with an experimentally constructed bacteriophage
Answers
The complete question is:
a bacterium is infected with an experimentally constructed bacteriophage composed of the T2 phage protein coat and T4 phage DNA. The new phages produced would have
A) T2 protein and T4 DNA
B) T2 protein and T2 DNA
C) a mixture of DNA and proteins of both phages.
D) T4 protein and T4 DNA
E) T4 protein and T2 DNA
A bacterium infected with an experimentally constructed bacteriophage will give new phages with the virus' DNA and the type of proteins that this DNA encodes.
A bacteriophage is a virus that attaches itself to a bacteria and uses it to replicate itself. Viruses have two main parts, a protein coat and their DNA inside it.
The experimentally constructed bacteriophage has one type of protein that makes the coat, the T2. This type of protein will allow the virus to attach and infect the bacteria. Once the virus attaches itself to the bacteria, it will introduce its DNA, T4 type, and use the bacteria elements to replicate it and create new phages.As a result, the new phages will have T4 DNA, and the proteins that the virus synthesizes will be the same type as the DNA.
In conclusion, The new phages produced would have D) T4 protein and T4 DNA.
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During cytokinesis, the cell divides completely after the ___ splits.
Answers
Answer:
Cytoplasm
Explanation:
I really need help! A. Descriptive Data Analysis B. Inferential Data Analysis
Answers
Is a descriptive analysis
Answer: Your wish is my command. The answer you are looking for is B. Inferential Data Analysis. :)
Explanation:
Match the following types of fossilization to the correct description.
Answers
Answer:
Personalization ---> D
Replacement ---> B
Amber ---> C
Compression ---> A
Part A
Begin by selecting a freshwater or marine aquatic ecosystem as a model for your food web. Be specific. Choose a specific lake. Or, if you choose an ocean ecosystem, identify its geographical area and depth. Keep in mind that deep-sea organisms live in a completely different environment than surface aquatic organisms.
Next, conduct research on the following conditions in the ecosystem you chose. They influence the types of organisms that can live there.
geographical features
temperature
depth/light availability
salinity
pH
unique features that contribute to the ecosystem, such as other bodies of water that connect to it, unusual chemistry, and climate
Using the information you gathered, write a paragraph that describes conditions in the ecosystem.
Part B
Now conduct research on the types of organisms that live in the ecosystem you chose. Note that quaternary consumers and even tertiary consumers can include land animals that rely on the animals in the aquatic ecosystem for food. Collect information based on these guidelines:
Producers: Identify 2-3 species.
Primary (or first-level) consumers: Identify 2-3 species.
Secondary (or second-level) consumers: Identify 2-3 species.
Tertiary (or third-level) consumers: Identify 2-3 species.
Quaternary (or fourth-level) consumers: Identify 1-2 species.
Write down the species you’ve identified for each consumer level in the ecosystem.
Part C
Using the organisms you identified in part B, create a food web for the ecosystem you chose. Use this sample food web for reference, although your food web will contain fewer organisms. Note that your food web does not have to include images, but you may include them if you choose. However, be sure to include arrows to indicate the direction of energy flow in your food web. Design your food web using any method listed below:
Use drawing or flowchart-building tools in a word-processing program.
Hand draw your food web, and then take a picture of it.
Use a graphic-design program.
Using the Insert Image button, insert an image of your food web in the answer space.
Part D
Changes in ecosystems can be attributed to natural causes, such as natural disasters, seasonal variations in climate, currents, and tidal activity. Many of these changes can affect the amount of food resources available in an ecosystem. Research one natural change that currently affects or could affect the aquatic ecosystem you chose. Use your food web model to explain how this change can affect the competition of food resources in your aquatic ecosystem.
Part E
In addition to natural factors, human activity can also alter ecosystems. Conduct research on a human activity that currently affects or can theoretically affect your chosen ecosystem. Use your food web model to explain how this change can affect the competition for food resources.
Answers
The break down of the freshwater aquatic ecosystem is given below.
Part A
For the purpose of this exercise, I will choose the Great Salt Lake in Utah, USA as my model for a freshwater aquatic ecosystem. The Great Salt Lake is the largest saltwater lake in the Western Hemisphere, and is known for its high salinity levels and unique chemistry.
The lake is fed by several rivers, including the Jordan and Bear rivers, and has no outlet, which contributes to its high salinity levels.
The lake also experiences seasonal changes in temperature and light availability, with warmer temperatures and more sunlight in the summer and cooler temperatures and less sunlight in the winter.
What is the freshwater aquatic ecosystem about?Part B
The Great Salt Lake ecosystem is home to a variety of organisms at different consumer levels. Some examples include:
Producers:
Phytoplankton: Microscopic algae that are the base of the food web and are primary producersSodium chloride-tolerant plants like alkali bulrush and saltgrassPrimary Consumers:
Brine flies: these insects feed on the phytoplanktonbrine shrimp: these tiny crustaceans feed on the phytoplanktonSecondary Consumers:
Black brant and other waterfowl: these birds feed on the brine flies and shrimpWhite pelican: These birds feed on the brine shrimpTertiary Consumers:
Coyotes and foxes: These mammals feed on the waterfowl and other small animalsAmerican avocet: These birds feed on the brine flies and shrimpQuaternary Consumers:
Humans: they may fish or hunt the aquatic species and use the lake's resourcesPart C
This is a possible food web for the Great Salt Lake ecosystem:
Phytoplankton -> Brine Flies -> Black Brant -> CoyotesPhytoplankton -> Brine Shrimp -> Pelican -> FoxesSodium chloride-tolerant plants -> American avocet -> HumansPart D
One natural change that currently affects the Great Salt Lake ecosystem is the seasonal variation in water levels. The lake's water level can fluctuate greatly depending on the amount of precipitation and evaporation.
During drought periods, the lake's water level can drop dramatically, which affects the competition for food resources in the ecosystem.
Part E
One human activity that currently affects the Great Salt Lake ecosystem is water diversion for irrigation and human consumption. The lake's water level is also affected by the diversion of water from the Jordan and Bear rivers, which feed into the lake. This water diversion decreases the amount of fresh water that enters the lake, which affects the amount of phytoplankton and other producers in the ecosystem.
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There are three distinct categories of papilloma viruses: low-, intermediate-, and high-risk types. Explain what this means.Why is the disease in this encounter rare in humans?If Dede also suffers from tuberculosis and/or hepatitis, how might this complicate his treatment?Would the Gardasil or Cervarix vaccines have prevented this infection in Dede? Why or why not?
Answers
Papilloma viruses are a type of virus that can cause warts or cancer in different parts of the body. There are three distinct categories of papilloma viruses: low-risk, intermediate-risk, and high-risk.
Low-risk types can cause benign warts, intermediate-risk types can cause precancerous lesions, and high-risk types can cause cancer. The risk level is based on the likelihood of the virus causing cancer.
The disease in this encounter is rare in humans because it is caused by a specific type of papilloma virus that is not commonly found in humans. It is more commonly found in animals, such as cows and horses.
If Dede also suffers from tuberculosis and/or hepatitis, this could complicate his treatment because these diseases can weaken the immune system, making it more difficult for the body to fight off the papilloma virus. This could potentially lead to a more severe infection and a higher risk of developing cancer.
The Gardasil and Cervarix vaccines are designed to prevent infection from certain types of papilloma viruses, specifically the high-risk types that can cause cervical cancer. However, these vaccines may not have prevented the infection in Dede because they do not protect against all types of papilloma viruses. It is unclear if the specific type of papilloma virus that caused the infection in Dede is one of the types covered by these vaccines.
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Stomata are tiny openings found in plant leaves. specialized cells known as guard cells surround the stomata and open and close the openings. when it is very hot, plants may close their stomata to prevent water loss. when plants close their stomata, what else is affected?
Answers
When plants close their stomata, the carbon dioxide that is required for photosynthesis cannot be absorbed by plants.
The littlest openings in plant leaves are called stomata. Guard cells, which are specialized cells that open and close the stomata, encircle the stomata. Plants might close their stomata to save water during incredibly hot circumstances. When plants close their stomata, they stop the loss of water, but photosynthesis may be affected.
Respiration in leaves occurs when carbon dioxide is released into the atmosphere by diffusion of oxygen into the leaf cells via stomata. Each stoma is surrounded by two guard cells that can open and close in response to the environment. When there is a lot of moisture, the guard cells swell, opening the stoma and allowing gas to flow through.
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. Remembering that scientists often work in teams, which activities would require a scientist to
communicate with others? Activitie that Scientist co to, Communic
with the team
Answers
Explanation:
Five ways on how to address teenage pregnancy
Scientists often work in teams, so the activities that would require a scientist to communicate with others are researching, experimenting or gathering data, reflecting on results, and communicating with the wider community. All of these are correct answers.
During the research phase, scientists often need to collaborate and communicate with their colleagues, mentors, or supervisors to discuss ideas, share findings from previous studies, and gain insights into the existing knowledge related to their research topic. Conducting experiments and gathering data can be a collaborative effort, especially in complex research projects. After conducting experiments and obtaining results, scientists often engage in discussions and meetings to interpret the findings and draw conclusions. Sharing research outcomes with the broader scientific community and the public is a crucial aspect of scientific communication. Scientists typically publish their findings in peer-reviewed journals, present them at conferences, and engage in outreach activities. All of these are correct answers.
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Complete question is below.
Remembering that scientists often work in teams, which activities would require a scientist to
communicate with others? Activitie that Scientist co to, Communic
with the team
researching,
experimenting or gathering data,
reflecting on results,
communicating with the wider community.
Please help! skin melanocytes produce the protein melanin, which gives the skin pigment. muscle cells do not produce melanin. which statement explains this difference between skin melanocytes and muscle cells?
A. muscle cells rely on rna, while melanocytes rely on dna.
B. melanocytes and muscle cells express different genes.
C. muscle cells destroyed the gene for melanin, but melanocytes did not.
D. melanocytes contain different genes from muscle cells
Answers
Answer:
The correct answer is B. "Melanocytes and muscle cells express different genes."
Although all cells in an organism (such as a human) contain the same DNA, different cell types express different sets of genes. Gene expression is the process by which specific genes are activated to produce a needed protein. In this case, the gene responsible for melanin production is expressed in melanocytes, but not in muscle cells.
This does not mean that muscle cells have destroyed the gene for melanin (as stated in option C) or that melanocytes contain different genes from muscle cells (as stated in option D). All cells within an organism contain the same genes, but not all genes are expressed in every cell. The process of gene expression is regulated by the cell to ensure that each cell type functions properly.
Option A is also incorrect because all cells, including both muscle cells and melanocytes, rely on both DNA (for storing genetic information) and RNA (for transmitting that information and producing proteins). DNA is transcribed into RNA, which is then translated into proteins. This process occurs in all cells.
The statement explains the difference between skin melanocytes and muscle cells is - melanocytes and muscle cells express different genes. So option b is correct.
Melanocytes are dark, dendritic-shaped, highly differentiated cells that secrete melanin, a pigment found in melanosomes, which is the primary function of melanocytes.
Melanocytes are a type of cell derived from the neural crest. They form a synapse with keratinocytes through their dendrites in the epidermis. Melanocytes play an important part in skin pigmentation and their role in the generation and distribution of melanin has been extensively studied.
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A cell was found to have the following structures
DNA
Cell membrane
Mitchochondria
Based on the information provided what can be concluded about the cell
Answers
It could be a plant cell or an animal cell
drugs classified as depressants typically a) speed up metabolism. b) slow down neural transmission and behavior. c) increase the likelihood of the sympathetic nervous system becoming active. d) act as antagonists that block the effect of gaba.
Answers
Answer:
B
Explanation:
Depressants slow down neural activity/transmission. They are often used to relieve depression/anxiety/stress/pain for a period of time.
Drugs classified as depressants typically will slow down neural transmission and behavior. Thus, option B is correct.
What are depressants?
Drugs classified as depressants typically will slow down neural transmission and behavior. Analgesia has been known as the analgesic drug which has been used as a pain reliever or it has been also known as painkiller. The group of drugs that used to relief severe pain has been known as the analgesia. The side effects of the analgesia has that the long term use of analgesia can cause damage to liver and kidney.
There are several conditions in which analgesia are analgesic are given and these are after the surgery, if someone gets injured in case of pain and it is also given in case severe headache. The menstrual pain can also be reliefed by taking analgesia.
Therefore, Drugs classified as depressants typically will slow down neural transmission and behavior. Thus, option B is correct.
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in a population of 1000 people, 160 have the recessive genotype. what percentage of the population is homozygous dominant?
Answers
42% of the population is homozygous dominant.
Homozygous dominant is the genotype where an individual has two dominant alleles for a particular trait. In a population of 1000 people, 160 have the recessive genotype.
Therefore, the remaining individuals must have either the homozygous dominant genotype or the heterozygous genotype. To determine the percentage of the population that is homozygous dominant, we need to subtract the number of individuals with the recessive genotype from the total population and then subtract the number of individuals with the heterozygous genotype. To calculate the number of individuals with the dominant genotype:
Total population = 1000Recessive genotype = 160.
Heterozygous genotype = (1000 - 160)/2 = 420
Homozygous dominant genotype = (1000 - 160 - 420) = 420.
Percentage of the population that is homozygous dominant = (420/1000) x 100% = 42%.
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The graphs below represent two waves. The waves are traveling at the same speed through the same medium.
Compare the waves and find the amplitude is and frequency is
Answers
Answer:
The amplitude is greater for Wave 1
The frequency is greater for Wave 2
Explanation:
Amplitude is inversely proportional to frequency.
The amplitude of the waves can be determined by the displacement of the wave on the graph from its equilibrium position. The frequency can be found by counting the number of complete wave cycles that occur in a given time period on the graph. Even though the waves are moving at the same speed and through the same medium, they may have different amplitudes and frequencies.
Explanation:In order to compare these two waves, we need to focus on their respective amplitude and frequency. The amplitude is the maximum displacement of a point on the wave from its equilibrium position, normally measured in units such as meters or centimeters. You can determine this by looking at how high or low the wave reaches from its middle line on the graph.
On the other hand, frequency is the number of complete cycles (or waves) that occur in a given period of time, usually measured in cycles per second or Hertz (Hz). This can be determined by counting the number of complete waves that occur in a second (or another unit of time) on your graph's x-axis.
Even though the waves are traveling at the same speed and through the same medium, their amplitude may vary, which affects the energy they carry. Similarly, their frequency may also be different, which will influence the wave's pitch or color when applied in contexts like sound or light respectively.
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What did Native Americans call the Everglades? (5 Themes Region box on left)
Answers
Answer:
Explanation:
These Indians of the Everglades were labeled as Seminoles, which comes from the Spanish word Cimarron meaning ‘wild’, or ‘escaped slave’. In the 1950s, the Federal government tried to cut ties with all tribes and South Florida Indians then responded by forming their own tribe known as the Seminole Indians.
Here is the sticky end of a dna molecule after it has been cut by a restriction enzyme. which sequence of nucleotides would bind to this sticky end? - ATAT - TTAA - UUAA - AATT
Answers
The sticky end of a DNA molecule that has been cut by a restriction enzyme would bind to a complementary sticky end. The sticky end of the DNA molecule is composed of single-stranded regions that are created when the restriction enzyme cuts the double-stranded DNA.
In order to bind to the sticky end, the complementary sequence must be present in another DNA molecule.
Out of the four options given, the complementary sequence to the sticky end "ATAT" would be "AATT". The complementary base pairs in DNA are A-T and C-G, so a sequence of AATT would bind to the sticky end ATAT via hydrogen bonds between the complementary base pairs.
This allows the two DNA molecules to "stick" together, or anneal, through complementary base pairing. The process of joining two DNA molecules through complementary sticky ends is called ligation, and it is an important step in many molecular biology techniques, including DNA cloning.
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80 POINTS
What does Eureka mean, and who is famous for using the word and why?
What was so clever about what Archimedes did?
Answers
Answer:
Explanation:hhjnj
1. Which of the following characteristics is not shared by ALL cells?
A) Have internal, membrane-bound compartments.
B) Capable of transcription and translation.
C) Capable of respiration.
D) Utilize enzyme driven reactions.
2. Which of the following structures contains the thylakoid membranes?
A) The Nucleus.
B) Lysosomes
C) Mitochondria
D) Chloroplasts
Answers
1. The characteristic that is not shared by ALL cells is "Have internal, membrane-bound compartments." .2. The structure that contains the thylakoid membranes is Chloroplasts
Explanation:Cells come in all shapes and sizes, but they all have a few things in common. For example, they all have a cell membrane that separates them from the surrounding environment. They also have cytoplasm, which is a fluid-like substance that fills the inside of the cell.
Additionally, they all have DNA, the genetic material that controls the cell's activities. While all cells share these characteristics, they do not all have internal, membrane-bound compartments. For example, bacteria are a type of cell that lacks these compartments.
2. The structure that contains the thylakoid membranes is Chloroplasts. Explanation: Chloroplasts are organelles found in plant cells that are responsible for photosynthesis. They contain a complex system of membranes called thylakoids, which are arranged in stacks called grana.
These membranes are the site of photosynthesis, the process by which plants convert sunlight into energy. The other options in the question do not contain thylakoid membranes.
The nucleus contains DNA, lysosomes contain enzymes that break down waste products, and mitochondria are the site of cellular respiration.
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Name 3 characteristics of each physical state of matter.
Solid:
Liquid:
Gaseous:
Answers
Answer:
solid: Has a definite shape and volume. liquid: Has a definite volume, but take the shape of the container. gas: Has no definite shape or volume. change of state: When matter is converted from one of the three states (example: solid, liquid, or gas) to another state.
Explanation:
Answer:
Solid:
High Density
Definite mass, volume, and shape
Solids are incompressible and rigid
Liquid:
No definite shape (takes the shape of its container)
Has definite volume.
Particles are free to move over each other but are still attracted to each other.
Gaseous:
They are easy to compress
They expand to fill their containers
They occupy far more space than the liquids or solids from which they form
Explanation:
1. How does an increase in concentration affect a chemical reaction?
Answers
Answer:
it speeds the reaction up
Explanation:
Answer:
speeds the reaction up, making it quicker
Explanation:
Which property of water is shown in the model below?
A. pH
b. polarity
C. adhesion
d. solubility
Answers
true or false? the goal of surgical closure of the palate is to establish an intact division between the oral and nasal cavities, including a fully functional velopharyngeal system.
Answers
The given statement "the primary goal of surgical closure of the palate is to establish an intact division between the oral and nasal cavities, as well as to create a fully functional velopharyngeal system" is True.
This is important to improve speech, swallowing, and overall quality of life for the patient.
The surgical procedure involves several steps.
First, the surgeon will carefully assess the patient's palate and the surrounding structures. This assessment helps to determine the appropriate surgical approach and techniques to achieve the desired outcome.
Next, the surgeon will make incisions on both sides of the cleft palate, which will allow the tissues to be repositioned and reconnected. This process is called tissue mobilization and is essential to create an intact separation between the oral and nasal cavities.
Once the tissues have been mobilized, the surgeon will carefully suture the muscles and other soft tissues in the palate to create a functional velopharyngeal system.
The velopharyngeal system plays a critical role in speech and swallowing, as it controls the opening and closing of the connection between the oral and nasal cavities during these functions.
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In situ hybridization can be used to localize a gene of interest due to the ability of a cloned DNA sequence to hybridize to a chromosome through_______.
Answers
Answer: In situ hybridization is a technique that is used for localization and detection of specific DNA and RNA sequences in cells, preserved tissue sections, or entire tissue.
The air temperature rises in the stratosphere because of:
A. water vapor
B. nitrogen
C. carbon dioxide
D. increase in absorption of infrared energy
E. ozone
Answers
Answer:
E. ozone layer.
Explanation:
The pattern of temperature increase with height in the stratosphere is the result of solar heating as ultraviolet radiation in the wavelength range of 0.200 to 0.242 micrometre dissociates diatomic oxygen (O2).
Which technique reveals latent fingerprints on wooden furniture?
Answers
Answer: One of the most common methods for discovering and collecting latent fingerprints is by dusting a smooth or nonporous surface with fingerprint powder (black granular, aluminum flake, black magnetic, etc.).
What is the relationship between the cancer rates and the different species? Please give a detailed and long answer
Answers
Different species and cancer rates have a complicated and nuanced relationship.
All multicellular organisms, including people, animals, and plants, are susceptible to cancer. The prevalence of cancer varies greatly between species, and a variety of factors play a role in this difference.
The relationship between the cancer rates and the different speciesThe longevity of a species is one factor that influences cancer rates. In general, cancer rates are higher in longer-living species than in shorter-living species. This is due to the fact that as an organism age, it has a greater chance of developing genetic mutations, some of which may result in cancer. For instance, mice have a shorter lifespan than humans and have a higher incidence of cancer.The habitat that a species lives in has an impact on cancer rates as well. Both humans and animals are at an increased risk of developing cancer when exposed to environmental pollutants and carcinogens. As an illustration, while exposure to some environmental pollutants has been related to cancer in animals, exposure to ultraviolet light from the sun is a significant risk factor for skin cancer in people.The prevalence of cancer in many species is also influenced by genetics. Certain species may have a hereditary predisposition to particular cancer kinds. For instance, compared to other dog breeds, some breeds have a greater prevalence of certain cancers like lymphoma and bone cancer.In conclusion, there are numerous complex factors at play in the association between cancer rates and various species.
The incidence of cancer varies greatly among species, depending on factors such as life expectancy, the environment, genetics, nutrition, and lifestyle.
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A molecule that possesses both a protein component and an RNA component is referred to as a ________
Answers
Answer:
Ribosome
Explanation:
Their subunits are made of rRNA and protein.
Can someone check my work?
Answers
Answer:
I think these are right but I am not 100% sure
Answer:
All wrong, but fix now
Explanation:
heredity is the passing of traits from parent to offspring
alleles are different forms of the same gene
genotype is genetic make up
phenotype is what an organism looks like
genes are instructions for a trait
genetics is the study of heredity
traits characteristics passed on to offspring
some fossils provide evidence to suggest that earths climate has changed over time ? check all that apply
Answers
Answer:
a tempetures
Explanation: