Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities.
Which of the following
would be a use for bacteria
in a lab setting?
A. to experiment with transformation, a
form of bacterial reproduction
B. to learn how animal cells react to
viruses
C. to learn how plant cells absorb water
D. to test how mice use oxygen
Answer:
I thinks its A or B.
Explanation:
My final answer would be A because scientists would want to study and know more how the bcatria reproduces and forms. Hope this helps
The carrying capacity for a population of squirrels is 620 squirrels, with a maximum rate of increase of 1. 0 per individual per year. Using the logistic population growth model, what is the approximate population growth rate for a population of 275 squirrels?
106 squirrels per year
153 squirrels per year
239 squirrels per year
389 squirrels per year
The approximate population growth rate for a population of 275 squirrels is 239 squirrels a year, counting deaths at the same rate.
How to calculate the population growth rate?In technical terms, to obtain the growth rate (r), 1 is subtracted from the nth root of the quotient between the final population (Pt) and the population at the beginning of the period considered (P0), multiplying the result by 100 , where "n" is equal to the number of years in the period.
With this information, we can conclude that the approximate population growth rate for a population of 275 squirrels is 239 squirrels a year, counting deaths at the same rate.
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Which form of early photosynthetic life consumed much of the CO₂ in Earth's atmosphere, allowing life to become possible?
A Cyanobacteria
B. Spirochetes
C. Protists
D. Red-Yellow algae
How long does kentucky bluegrass take to germinate.
Helpppp
Hypothesis:
In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the experiment.
Test One: If I breed a short fur, FF female with a short fur, Ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.
Test Two: If I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.
Test Three: If I breed a long fur, ff female with a long fur, ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.
Answer:
Test One= all short fur
Test Two= some long fur
Test Three= all long fur
Explanation:
Short fur is a dominant allele
I Is my answer really correct for this question or possibly noun? YES OR NO? In your own words, explain how the process of natural selection has resulted in the evolution of antibiotic resistant bacteria.
The process in natural selection has resulted in this evolution of such resistance dut to the idea of getting a mutation (adaptation) in which It helped the bacteria to be able to survive better than others kinds of bacteria. So others may die off, but this bacteria copies itself off, and now the whole species may be resistant to the antibiotic, causing a difficulty in using them to trea
Answer:
YES!!!!
Explanation:
It's correct because this is one of 10 steps invloving the bacteria state The process in natural selection has resulted in this evolution of such resistance dut to the idea of getting a mutation (adaptation) in which It helped the bacteria to be able to survive better than others kinds of bacteria. So others may die off, but this bacteria copies itself off, and now the whole species may be resistant to the antibiotic, causing a difficulty in using them to trea
The structure that controls hormone release by both the anterior pituitary and the posterior pituitary is the ________.
Describe the three (3) types of rock (include how they form and their distinguishing unique characteristics
Answer:
The three types of rocks are Igneous, Sedimentary, and Metaphoric.
Explanation:
Igneous rocks are formed out of melted rocks deep inside the Earth. A distinguishing unique characteristic is that they are hard.
Sedimentary is formed from layers of sand, silt, dead plants, and animal skeletons. A distinguishing unique characteristic is that they are easy to crumble.
Metaphoric are formed when minerals change through heat and pressure underground. Two distinguishing unique characteristics are that they may have many layers and are noticeably hard.
Answer
Explanation:
Igneous, Sedimentary, and Metaphoric.
during cell respiration, energy stored in the chemical bonds of glucose is released as energy in the form of _____
1. ATP
2.light
3.heat
4.food
Answer: During cell respiration, energy stored in the chemical bonds of glucose is released as energy in the form of ATP.
Answer:
1. ATP
Explanation:
Cells convert glucose to ATP in a process called cellular respiration.
Which planet is most like the sun?
I think the answer is venus
Which of the following would be the best activity to help you maintain a healthy skeletal system? a. exercising often and eating a balanced diet b. resting often and receiving proper immunizations c. exercising often and eating only protein for your morning meal d. resting often and eliminating calcium from your diet please select the best answer from the choices provided. a b c d
The best activity that helps to maintain a healthy skeletal system is exercising often and eating a balanced diet.
What do you mean by the Skeletal system?The skeletal system may be defined as the central framework of the body. It consists of bones and connective tissue, including cartilage, tendons, and ligaments.
A healthy skeletal system depends on our daily activities like how we sit, walk, sleep, etc. A well-established daily routine of exercises and physical activity keeps our skeletal system healthy and proper.
Therefore, the best activity that helps to maintain a healthy skeletal system is exercising often and eating a balanced diet.
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Answer:
A :)
Explanation:
edge 2023
You have 24 offspring, 23 with black fur and 1 with white fur. What was the genotype of the wild mouse?
Answer:
i think that the white mouse is a mutation. can you provide the answer choices.
Explanation:
Based on the map choose the location in order from highest (top) to the lowest (bottom) risk of an earthquake happening
Answer:
Use the key at the bottom to find the highest and lowest areas on the map
Predict what would happen to the environment and the health of people if a community's solid waste was not tended to and disposed of in some way.
Explain why e-waste is a problem and present one possible way of mitigating the growing e-waste problem.
Explain three things you think local governments can do to encourage more primary and secondary waste prevention
Answer:
1.I predict that plants and animals would get sick, die, and lose their homes, while us humans would get sick and we would live in filth.
2.E-waste is a growing problem because as the want for electronical devices grows, people get rid of their new ones in the wrong ways when they could be recycling the parts and contribute to the worlds waste a lot. One was of mitigating this problem is to encourage people to recycle their e-waste.
3.Three things local govermants can do to encourage more primary and secondary waste prevention are setting stricter laws on waste disposal, encourage locals to recycle, and put stricter waste control on factories and businesses.
Explanation:
A blender can be used to break down the strawberry tissue in homogenization step. True False.
A blender can be used to break up the strawberry tissue in the homogenization step, because the strawberry needs to be macerated so that the chemicals used for extraction reach all of its cells more easily.
What cell structures were disrupted in the strawberry experiment?The solution for extracting DNA, also known as the lysis solution, is so named because of its function in disrupting the plasma membrane and other membranes.
With this information, we can conclude that a blender can be used to break up the strawberry tissue in the homogenization step, because the strawberry needs to be macerated so that the chemicals used for extraction reach all of its cells more easily.
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1 point
Which one of the following is NOT a reason proteins are needed in the
body?
Othey serve as a structural component of cells/the body
Othey play a role in cellular communication
Othey are the building blocks of DNA
O they are a vital part of immune response and carrying out chemical reactions
The reason proteins are not needed in the body is that they are the building blocks of DNA. Details about proteins are found below.
What is protein?Proteins are one of the four biological molecules found in living systems. The other three are as follows:
Nucleic acidsCarbohydratesLipidsProteins are vital components of living systems as the play the following roles:
They serve as a structural component of cells/the bodyThey play a role in cellular communicationThey are a vital part of immune response and carrying out chemical reactionsTherefore, the reason proteins are not needed in the body is that they are the building blocks of DNA.
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Select the correct answer from each drop-down menu. plants are autotrophs because they can prepare their own food. photosynthesis takes place in leaves. leaves contain that allow for the exchange of gases during the process, and also help with the process of .
Plants are autotrophs because they can prepare their own food. Photosynthesis takes place in leaves which contain stomata that allow for the exchange of gases.
What do you mean by Photosynthesis?Photosynthesis may be defined as the process that converts carbon dioxide into glucose in the presence of sunlight.
Leaves of plants possess stomata through which the exchange of gases and loss of water takes place. These pores in the leaves of plants also help in the process of transpiration.
Therefore, it is well described above.
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Answer:
i hope this one helps
Explanation:
What does the writer use to help readers understand the sequence of steps? what should the writer add when verbally presenting the procedure to a group?
Using a sequence of steps to present ideas will help a writer to communicate effectively, thus helping learners to apply the ideas.
Why is it important to present ideas in a sequence of steps?Ideas are thoughts which explain or describe a given situation.
Ideas can be learnt, discarded or modified.
When presenting new ideas, it is important that a writer presents it in a sequence of steps in order to help a learner to grasp the new idea, consolidate and apply the new idea.
When verbally presenting the procedure to a group, a writer can add a hands-on or practical approach to aid understanding.
Therefore, using a sequence of steps to present ideas will help a writer to communicate effectively.
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Answer:
a numbered list
a demonstration
Explanation:
just did it
As the megaspore nuclei divide in the ovule of a flower bud, the two outer layers of the ovule differentiate into the ______.
Answer:
As the megaspore nuclei divide in the ovule of a flower bud, the two outer layers of the ovule differentiate into the integuments.
You approach the edge of a pond filled with ducks. the ducks are swimming, but when they see you, they approach the shore and congregate around you. what might best explain this behavior? question 8 options: the ducks have associated people with food handouts and so they become close. the ducks are diurnally migrating to humans. the ducks are competing for territories on the shore. the ducks have imprinted on the humans.
Answer:
the ducks have associated people with food handouts and so they become close.
Explanation:
Answer:
the ducks are competing for territories on the shore.
Explanation:
THINK IT IS IF NOT SORRY
Answer these questions based on what you learned from the passage. The flagella are like. The pili are like dd2. The cell wall is like the. The ribosomes are like. The nucleoid is like the. The cell membrane is like. The cytoplasm is like.
Answer:
The flagella are like
✔ legs
.
The pili are like DD2
✔ arms and hands
.
The cell wall is like the
✔ skeletal system
.
The ribosomes are like
✔ carpenter
.
The nucleoid is like the
✔ brain
.
The cell membrane is like
✔ skin
.
The cytoplasm is like
✔ blood
.
Explanation:
Edge 2022
Answer:
i hope this helps :)
Explanation:
Which of the following is an example of natural selection?
A.
To produce a more desirable fruit, a farmer crosses a tree that produces sweet oranges with a tree that produces large oranges.
B.
Rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.
C.
Pesticides are sprayed in a field, resulting in an increase in crop growth and a decrease in insect population.
D.
Cricket frogs prefer to sleep during the day, while red-eyed tree frogs prefer to sleep during the night.
cloud A has absorbed heat and cloud B has released heat. Which cloud will release rain and why?
CLoud b would release rain because it is the first one to release heat.
Why is it thought that the majority of natural selection is stabilizing selection?.
Answer:
Why is it thought that the majority of natural selection is stabilizing selection? Mutations produce extreme phenotypes, which are selected for. Artificial selection is the most common, which is a type of stabilizing selection. Most mutations are beneficial and produce intermediate phenotypes.
Explanation:
Deposition of calcium and phosphorus in the bones is influenced by:.
Vitamin D is one of the fat-soluble vitamins that acts in normal bone formation, it influences the deposition of calcium and phosphorus in the bones.
What is vitamin D?It is a fat-soluble vitamin that plays a leading role in the formation of bones and teeth, being essential for their growth, development and strengthening.
It is essential for the absorption of calcium and the formation of the skeleton, that is, it participates in the calcium-phosphorus homeostasis of the organism.
Therefore, we can conclude that vitamin D is one of the fat-soluble vitamins that acts in normal bone formation, it influences the deposition of calcium and phosphorus in the bones.
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ANSWER THIS PLEASEE FOR BRAINLIST ILL DO ANYTHING!!!
Six different plug-in hybrid vehicles were tested for their electric-only driving range. The same six cars were tested seven days in a row. Their batteries charged to full capacity
overnight. The average range for each vehicle is listed in the table.
PHEVs Range (miles)
Car 1
96
Car 2
130
Car3
85
Car 4
75
Car 5
135
Car 6
100
What is the median range of the PHEVs tested in the chart?
98 miles
103.5 miles
100 miles
135 miles
Answer:
98
Explanation:
A 98 miles would be the middle from the totals provided above
Which of these behaviors represents an example of migration? question 12 options: a skunk sprays a foul-smelling oil when a predator comes too close to it. a male bird sings a specific song to attract female birds of the same species. a beaver slows down its activities and remains in its home throughout the winter. caribou travel hundreds of kilometers before winter starts, and then return in the spring.
The cladogram above diagrams the evolutionary history of chordates. Which structural adaptation led to greater motion and a more diverse diet? A) lungs B) true bone C) vertebrate D) jaws and paired appendages
Answer:
D) Jaws and paired appendages
Explanation:
Jaws provided the ability to churn and grind food, while paired appendages enabled various locomotive methods such as running, walking, hopping, etc.
Alternation of generations means that plants produce.
Answer:
Plants produce both haploid gametes and haploid spores in alternation of generations.
Explanation:
In alternation of generations, the multicellular haploid form, known as a gametophyte, is followed in the developmental sequence by a multicellular diploid form, the sporophyte. During this process, plants produce gametes and spores. Gametes are always haploid, and spores are always haploid in the plant alternations of generations life cycle, but may not be haploid in plants that do not undergo alternation of generations.
I hope this helps!
What is the molecular tool that can cut dna at specific recognition sequences so a gene of interest can be inserted into a plasmid?.