Answers
Answer:
Charles Darwin came up with the theory of evolution.
Charles Darwin is a writer who wrote the book Orgin of species . He is the one that gave the idea of evolution . his proposition that all species of life have decended over time from common ancestors. He is a english naturalist, geologist and biologist
Related Questions
What does the field of proteomics study? The structure and function of cellular lipids and how they interact to contribute to traits. The structure of carbohydrates and how they are converted into a useable form of energy for the body. The interaction between cellular proteins and how they make up the bulk of the cell membrane. The structure and function of cellular proteins and how they interact to contribute to traits. The structure of prions and how they can lead to various diseases within the body.
Answers
Answer:
The structure and function of cellular proteins and how they interact to contribute to traits.
Explanation:
Proteomics is a research area that studies proteomes and their interactions with other cellular components (e.g., transcription factors involved in DNA-protein interactions, ribonucleoprotein complexes involved in RNA-protein interactions, etc). A proteome can be defined as the entire set of proteins synthesized by an organism. The proteomics field allowed us to identify common protein functions (structural and enzymatic functions), as well as understand how protein expression (which is regulated by genetic and environmental factors) influences cellular metabolic activities (e.g., iron uptake).
Why use needle loop to prepare fungi slide??
Answers
Answer:
The needle loop is use to transfer fungi to a soft agar and this will cause or create more fungal growth to occur in the slide.
Explanation:
Needle loop is a tool or device use in microbiology to inoculate microorganisms like bacteria and fungi in media to boost their growth. It is use for sampling and transferring specimens or microorganisms into a media for further analysis, examination and serial dilution.
Can someone help me please quickly
Find one article, podcast, or video about a location dealing with a water scarcity issue to discuss with your classmates. Your selection should come from a reliable source that is based on valid empirical evidence, not pseudoscience.
Write your reflection summary in the worksheet. Your reflection summary should include the following:
Identify the location referred to in the podcast, video, or story.
Describe the effects of water scarcity on public health and quality of life.
Discuss strategies that could solve the water scarcity problem.
Current Event:
Provide a citation for the current event you chose. Be sure to include a general citation for the article or media piece that includes the title, author, publication (or posting) date, and/or the website link of the video or podcast.
Current Event Summary:
Summarize the main idea and key points of the article in one paragraph below.
Evidence:
Use information from your current event to provide at least three pieces of evidence to support the claim.
Reasoning:
Use information about the environment and human health and your current event to provide reasoning connecting your evidence to your claim.
Answers
Some reliable sources that you can find related articles are:
A .edu websiteA libraryAn encyclopedia, etc.What is Water Scarcity?This refers to the lack of water supply to people in a given geographical area over a period of time.
Hence, there are some effects of water scarcity on a given location and these can include:
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Your first assignment is to provide information to the firm BigMoney Inc., a chemical producer in Kansas interested in using microbes to clean toxic spills (bioremediation). BigMoney Inc. has had a major spill of inorganic S that contaminated the soil around their plant. Scientists at BigMoney have developed mechanisms for removing H2S from soil, but have not found one for S. They want to know on a strictly theoretical basis (regardless of whether bacteria exist in nature that actually do these specific reactions) if there are any types of bacteria that could use S to give rise to H2S. (7 points total)
S ? H2S (-0.274)
a) is this an oxidation or reduction?
b) is S serving as an electron acceptor or donor?
c) Which of the following metabolisms (aerobic respiration, anaerobic respiration, aerobic chemolithotrophy and anaerobic chemolithotrophy) could be used to carry out this reaction? You can assume the reaction given above is either the initial oxidation reaction or the final reduction reaction. You must think about whether each of these metabolisms can oxidize or reduce inorganic materials. Remember, think strictly theoretically. Note, you must indicate ALL metabolisms that could be used. (1 point)
d) For each of the metabolisms that could be used, describe exactly how H2S will be formed providing the following information: (5 points)
Is the initial electron donor (from where are the electrons being taken) organic or inorganic?
Which of the pathways discussed in class (glycolysis, TCA, electron transport chain, chemolithotrophy, photosynthesis, and fermentation) will be used to get the electrons?
Is the final electron acceptor oxygen or not oxygen, and is it organic or inorganic?
Please provide a specific example of a half reaction (either initial oxidation or final reduction) that would work with the half reaction provided in this scenario, and briefly describe why it was chosen. Hint: your answer must consider the reduction potential of the electron acceptor compared to that of the electron donor and the half equation given must be either the donating or accepting reaction. Note: you may assume other molecules, both organic and inorganic, are present in the soil.
Answers
Answer:
i dont know how to answer this question
Explanation:
The_ of the cell directs cell activity and acts like the control center.
Answers
Answer:
Nucleus
Explanation:
The Nucleus is the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Answer:
nucleous
Explanation:
itacts like the control center
18F-
9
(Florine)
What is the number of electrons?
Answers
Answer:
9
Explanation:
Number of electrons = Number of protons = 9
What caused the
evolution of
peppered moths?
A. their food source died off
B. a forest fire destroyed their habitat
C. their number of predators increased
D. the change in the color of their environment
Answers
Your answer would be D.
Explanation:
The change in the colour of their environment makes them blend in with surrounding area, therefore, making it harder for prey to find them. You're welcome, Mate!
What is Obama´s last name
Answers
Answer: Obama
Explanation:
Answer:
Barack Hussein Obama
Explanation:
Barack Hussein Obama
The transfer of thermal energy is always the same from
Answers
Answer:
thermal energy is transferred to the object that has the higher temperature to the object that has the lower temperature
describe how impulse are transmitted across a synapse
Answers
A tiny electric message moves through a long part of a brain cell called the axon. When a message goes to the end of a nerve, it sends chemicals called neurotransmitters. These substances move through a tiny gap and attach to special parts of another nerve cell's outer covering.
What are the impulse?Messages called impulses are sent from one nerve cell to another through a connection called a synapse. This process is called synaptic transmission. Synapses are connections between nerve cells or between nerve cells and other cells, like muscles or glands.
The neuron sending the signal is called the presynaptic neuron. When a signal travels down a nerve cell, it causes little sacs called vesicles to release chemicals called neurotransmitters.
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Which section of ocean floor is near the coastlines of all continents?
• neritic zone
O open ocean
shallow ocean
O intertidal zone
Answers
Answer:
Your answer would be:
C.) Shallow ocean
The shallow part of the ocean floor begins at the shoreline and gently slopes underwater to an average depth of about 430 feet. It is covered with thick layers of sediment.
Explanation:
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Histoplasmosis is a disease of
Answers
Answer:
Histoplasmosis is an infection caused by a fungus called Histoplasma. The fungus lives in the environment, particularly in soil that contains large amounts of bird or bat droppings.Got it from the internet.
There are two large endocrine glands located in the neck and upper chest region. What is their identity, and what do they regulate?
A Thymus: immune system; thyroid: growth and development
B Thyroid: immune system; thymus: growth and development
C Pancreas: blood glucose levels; adrenal: emergency response
D Adrenal: emergency response; pancreas: blood glucose levels
Answers
Answer:
A Thymus: immune system; thyroid: growth and development
Thymus comes under immune system it encompasses thyroid which is responsible for growth and development. The correct option is A.
What is thymus?A tiny gland in the lymphatic system called the thymus produces and develops T-cells, specialized white blood cells.
Your immune system fights sickness and infection with the aid of the T-cells. Before birth, your thymus gland produces the majority of your T-cells.
At the base of the neck, just below the Adam's apple, is the thyroid, a tiny, butterfly-shaped gland.
Thyroxine (T-4) and triiodothyronine are the two primary hormones produced by the thyroid gland (T-3).
Every cell in the body is influenced by these hormones. They support how quickly the body consumes carbohydrates and lipids.
Thymus is a part of the immune system and contains the thyroid, which is in charge of growth and development.
Thus, the correct option is A.
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four interview questions on inhumane farming methods could lead to ill-health
Answers
Do you regret your decisions that have caused the suffering of others?
Do you plan on continuing to use inhumane farming methods or will you change this in the future?
What do you have to say about those who have fallen ill from your methods of farming?
Hope this helped a little
An effective way to reduce the waste released into the environment would be to pass a law
OA. limiting the number of fish that can be caught in the river.
OB. requiring the company to release its wastewater into a local pond.
a
OC. requiring the factory to pump its water to a treatment plant.
OD. requiring people to avoid boating and fishing on the river.
Answers
Answer:
OC
Explanation:
In OA, by limiting the number of fish caught does not have any connection with the waste released. Its totally different idea.
In OB, pond is still a part of environment. Pond too have its own habitat and no mater if the company release less waste or too much waste, it still affect the environment.
In OD, by avoiding boating we dont have much to do. Still there is no correlation with redcing the waste released.
WILL MARL BRAINLIEST!!!!
The islands bordering the deep-sea trenches
A. result from a series of quiet, continuous basaltic eruptions.
B. are accumulations of sediments on the margins of the trenches.
C.are formed from the activities of coral and other organisms.
D. are explosive volcanoes that emit lavas.
Answers
Answer:
i think its d
Explanation:
(19) Another spacecraft that uses Plutonium-238 to generate electricity is the Voyager 1 spacecraft, which launched in 1977. If Pu-238 has a half-life of 87.7 years, what percent of the nuclear fuel remains in the RTG aboard Voyager 1 today? Show your work. [Hint: Use the equation N = e^(-0.008 t)]
(20) How many years will pass before 25% of the Pu-238 in Voyager 1 remains? Show your work or explain your reasoning.
Answers
The percentage of Pu-238 that remains today is 70%. The time required for 25% of the nuclear fuel to remain is 176 years.
According to the question, we have to use the equation;
N =Noe^(-0.008 t)
Where;
N = amount of Pu-238 present at time t
No = amount of Pu-238 initially present
Now;
N/No = e^(-0.008 t)
The time elapsed between 1977 and today is 44 years
N/No = e^(-0.008 × 44)
N/No = 0.7
N = 0.7No
The amount of the nuclear fuel that remains = 0.7No
Percentage that remains = 0.7No × 100 = 70%
Hence 70% of the nuclear fuel remains today.
From;
0.693/t1/2 = 2.303/t log No/N
When N = 0.25No
t1/2 = 87.7 years
We need to find t
0.693/ 87.7 = 2.303/t log No/0.25No
0.693/ 87.7 = 1.3865/t
0.0079 = 1.3865/t
t = 1.3865/0.0079
t = 176 years
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Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
Answers
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
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The only way to have blue eyes is:
Answers
Answer:
The only way to present blue eyes is to inherit two copies of the blue-eyed gene. However, brown-eyed parents can pass a recessive blue-eyed gene. Therefore, two brown-eyed partners can birth a blue-eyed baby.
Answer:
The only way to have blue eyes is to have two copies of the blue eye gene.
in natural selection, the species that are most likely to survive are pick an answer better at camouflagebetter trainedbetter at avoiding predatorsbetter adaptedj
Answers
A general rule of natural selection is that only the fittest survive. This does not necessarily mean that the strongest or the largest will survive.
It means that those that are best adapted to a specific environment will survive, for example, in a snowy environment certain animals will be the fittest, but in a jungle environment, the fittest will be others.
Another important rule is that natural selection selects the fittest not only to survive but to leave offspring and therefore perpetuate the genes suitable for a specific environment.
Therefore, the answer would be D (the most likely to survive are those who better adapt to a specific environment leaving offspring)
Explain how preventive measures be used to mitigate land-use problems?
Be specific and give examples of the land use and the problems it causes, and provide a solution.
42 points!!
Answers
Answer:
Explanation:
Preventive measures can be used to mitigate land-use problems by implementing policies and practices that focus on sustainable land management, conservation, and responsible development. This can include measures such as land-use zoning, environmental impact assessments, sustainable agricultural practices, afforestation, protected areas, and promoting public awareness and education about responsible land use. By proactively addressing potential issues and promoting sustainable practices, preventive measures help minimize negative impacts on land resources, ecosystems, and communities.
how to determine sample size when dealing with plants
Answers
1. Define population size or number of people.
2. Designate your margin of error.
3. Determine your confidence level.
4. Predict expected variance.
5. Finalize your sample size.
What is the study of standards of conduct and moral judgment that outline the rights and wrongs of human conduct and character? Type the answer in the textbox below.
Answers
Ethics is the study of standards of conduct and moral judgment that outline the rights and wrongs of human conduct and character.
What is ethics?The study of ethics, often known as moral philosophy, involves systematizing, defending, and endorsing conceptions of good and bad action. Normative, meta and practical ethics are the traditional divisions of ethics. Ethics is a creation of the human mind, it is not a natural science.
Thus, the study of standards of conduct and moral judgment that outline the rights and wrongs of human conduct and character is called ethics.
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Palisade mesophyll cells have very large vacuoles.
Explain how water moves from the xylem in the leaf into these vacuoles.
Answers
Answer:
Images
Books
News
Shopping
Videos
Maps
Flights
Finance
All filters
1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3- Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.
please 5 adaptations of animals in the Savannah ASAP
Answers
Answer:
Explanation:
Long Legs: To travel swiftly and effectively across the grasslands, many species in the Savannah have long legs, including giraffes, zebras, and antelopes. These creatures' long legs also enable them to see farther and see predators from a distance.
Camouflage: Many species in the Savannah, including cheetahs, lions, and leopards, have developed camouflage as a way of adapting to their environment. Their fur coats conceal them from both predators and prey since they mix in with the Savannah's grass and trees.
Several animals in the Savannah, like camels, have internal water reservoirs. This spares them from having to constantly look for water in the harsh, dry climate of the Savannah.
Several animals in the Savannah exhibit social behavior, including zebras and vast herds of wildebeests. They are better able to find food and stave off predators because to this habit.
Several creatures in the Savannah, like the lion and hyena, have nighttime habits. At night, when it is cooler and there is less competition for food, they hunt and forage. This adaption enables them to endure in the harsh Savannah environment
Discuss the role of proteins in membrane structure and transport of molecules across the membrane?
Answers
The role of proteins in membrane structure and transport of molecules
across the membrane include the production of hydrophilic pores to aid
movement of molecules into the cell.
Proteins are organic substances found in cells which produce pores which
have a high affinity to water thereby allowing other important molecules
enter into the cell.
It is a very important feature of the cell membrane as it ensures there are
enough nutrient needed by the cell to prevent starvation and death.
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2. Describe how the lac operon functions, and explain how it permits E.
coli to produce the enzymes needed to break down lactose when it
is present in the bacterium.
Answers
Answer:
The lac operon is an operon, or group of genes with a single promoter (transcribed as a single mRNA). The genes in the operon encode proteins that allow the bacteria to use lactose as an energy source. coli normally metabolise glucose, but if glucose is not available in a new environment, the lac operon can allow E. coli to metabolise lactose, the sugar found in milk using the structural genes beta-galactosidase and lactose permease. The lac operon of E. coli contains genes involved in lactose metabolism. ... It normally blocks transcription of the operon, but stops acting as a repressor when lactose is present. The lac repressor senses lactose indirectly, through its isomer allolactose.
Explanation:
Bunnies: Black fur is dominant to white fur. Use the letter “B” and “b” to answer the following questions.
6. Complete the punnet square to show the possible offspring of a true-breeding black rabbit and a true-breeding white rabbit. (true breeding parents are homozygous, know this for the test!)
7. What ratio would you see in the F1 genotypes?
8. What ratio would you see in the F1 phenotypes?
9. If you crossed two of these offspring, what would this generation be called?
10. Cross two offspring from the F1 generation. (Complete your Punnett square on scratch paper)
a. genotypes:
b. phenotypes:
Answers
Answer:
they are all 100% heterogenous ,,their genotype is Bb,, their prototype is black fur
Explanation:
look at my demonstration
________________ best summarizes how Durkheim's approach to religion differed from that taken by Wallace.
Answers
Answer:
Durkheim underscored the common, public, and all-encompassing nature of religion. It also speaks to the definitions that it embodies and how it causes people to emote.
Explanation:
Durkheim is a sociologist of french origins who believed that society was more powerful than the individual.
This according to him, was so because society is held together by ideas that resonate across more than one individual. These ideas show up like norms, beliefs, and values which are subscribed to by many thus creating a collective consciousness. This collective consciousness makes it easy to predict how people generally are likely to behave either as a people or an individual.
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HELP DUE NOW 80 POINTS SCIENCE
Lab Report
Mutations
1. What was the purpose of the experiment?
Type your answer here:
2. How are genes related to organisms’ traits?
Type your answer here:
Experimental Methods
1. Describe the procedure that you followed to test the paper airplanes.
Type your answer here:
Data and Observations
1. Record your observations in the data table.
Type your answer here:
Table 1. Distance Travelled by Paper Airplanes Released from the Same Height
Airplane Qualitative distance travelled compared to airplane 1 (greater, shorter, equal)
Trial 1 Qualitative distance travelled compared to airplane 1 (greater, shorter, equal)
Trial 2 Qualitative distance travelled compared to airplane 1 (greater, shorter, equal)
Trial 3
2
3
4
Conclusions
1. What conclusions can you draw about how structural changes to genes (mutations) affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism? Write an evidence-based claim that cites evidence from the results of the paper airplane test as a model.
Type your answer here:
2. Which fruit fly wing mutation(s) do you think is/are harmful to the fruit fly’s ability to fly? Explain by comparing the wing structure of the fly with the mutation to the wing structure of a fly without a mutation.
Type your answer here:
Answers
The purpose of the experiment was to investigate the effects of structural changes to genes, known as mutations, on proteins and their potential impact on the structure and function of organisms.
How to explain the informationGenes are segments of DNA that contain instructions for building proteins, which play a vital role in determining an organism's traits. Proteins are involved in various biological processes and are responsible for the development and functioning of different structures and functions within an organism.
Based on the results of the paper airplane test, structural changes to genes (mutations) can have varying effects on proteins and their impact on the structure and function of organisms. In this experiment, different qualitative distances traveled by the paper airplanes suggest that modifications in the design or structure of the airplanes resulted in variations in their performance.
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