The new deadly coronavirus can no longer spread, 80% (0.8) of the population would need to be vaccinated.
To determine the proportion of the population, Pc, that needs to be vaccinated to ensure the new deadly coronavirus can no longer spread, we'll use the concept of herd immunity. The basic reproductive number, R₀, is 5 in this case. The formula to calculate the required proportion is:
Pc = 1 - (1 / R₀)
Step 1: Substitute the given R₀ value into the formula:
Pc = 1 - (1 / 5)
Step 2: Perform the calculations:
Pc = 1 - 0.2
Step 3: Simplify the result:
Pc = 0.8
Therefore, to ensure that the new deadly coronavirus can no longer spread, 80% (0.8) of the population would need to be vaccinated.
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3. What do cells create that help them do their job?
I
Answer:
No entiendo
Explanation:
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i need help with this bio question
Answer:
its C
Explanation:
In living things, cells must be in a _____________________ solution where water leaves and enters the cell at _________________________________________.
Answer:
isotonic; the same rate
Explanation:
Cell Theory as as commonly known gives the best definition for cells. All organisms that ever existed are made up of one or more cells. The theory state that the cell is a basic unit, that is of all living things, and that all cells come from cells that have existed.
For cell that is in an isotonic solution,no net flow of water into or out of the cell will be experienced, the volume of the cell is at a state of stability. When the level or concentration of solute in and out of the cell is at the same pace or level, the the cell membrane does not allow solutes to cross, leading to the solution being isotonic to the cell.
A farmer wants to produce sweeter grapes using artificial selection. Which of these strategies can he use to achieve this goal?
Answer:
Crossbreed the two sweetest vines in the vineyard to produce new plants.
Explanation:
Artificial selection is the method used by the humans to produce traits in plants and animals according to teh desired thought. In this process of evolution, desirable characteristics of plants and animals are reproduced.
In the given excerpt, the farmer can adopt the method of crossbreeding two vines which are sweetest in order to produce sweeter grapes.
Which type of organism gets energy from the sun?
Producers
All Types of Consumers
Herbivores
Carnivores
Omnivores
Decomposers
A group of four students is participating in a marble race. Each marble has a different mass and the same force is applied to each marble.
Marble Data
Marble
А
Mass
(9)
30
50
70
Force Applied
(N)
60
60
60
F
H:T:
mxa
B
С
D
90
60
Which marble will experience the least acceleration?
O Marble A
O Marble B
Marble C
Marble D
Answer:
Marble D
Explanation:
According to this question, a group of four students is participating in a marble race. Each marble is said to have different mass but the same force were applied to each of them.
The relationship between the mass, force and acceleration of an object has been explained with the equation: F (force) = mass (m) × acceleration (a).
F = ma
Hence, a = F/m
Based on this, with a constant force, the acceleration is inversely proportional to the mass of an object. This means that when the mass increases, the acceleration decreases and vice versa. Based on the table showing the value for mass and uniform force for each marble, the marble with the highest mass (90) will have the least acceleration (0.66666). This marble is MARBLE D.
ii Why can you not produce plumcot seeds through reproduction between two plumcot plants?
Answer:
It's a great tree for small properties because you only need one to produce fruit. Pluots are similar fruits. ... The seeds from the cross-pollinated fruit produce a different type of tree that has some characteristics of both trees.
Explanation:
sorry
A plumcot plant is produced from the cross breeding between a plum and an apricot tree. It is hybrid fruit tree.
As the plants is a hybrid fruit tree, it is not possible to produce plumcot plants through fertilization of their seeds.
A plumcot plant is derived from the reproduction between a plum and an apricot. It takes skill and planning to be able to carry out the cross pollination. Most of the time this occurs when they are found growing near each other.
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______ is the transfer of energy through spaces as electromagnetic waves in all directions?
A. Conduction
B. Radiation
C. Fission
D. Convection
Answer:
electromagnetic radiation Transfer of energy by electromagnetic waves across space or through matter.
Answer:
radiation
Explanation:
7. Which of the following is not an example of an abiotic factor?
O Water
O Soil
O Disease
O Air
Please help
Answer:
Disease
Explanation:
Water, Soil and Air are all biotic except for disease.
Jonathan has type O blood. What must his parents be for Jonathan to get type O blood?
There are 4 possibilities
Earth follows an orbit as it makes a revolution around the Sun. What is the relationship between a revolution and an orbit?
Answer:
An orbit is essentially the motion of an object (be it a planet, a moon, a spacecraft) around a star, moon, or planet. Now a revolution is the movement of an object around an axis of rotation, or a centre, or another object. So the earth revolves around the sun, but the earth is also in orbit around the sun.
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how extrusive igneous rocks and intrusive igneous rocks form?
Answer:
Intrusive igneous rocks are formed when magma cools slowy and large crystals are formed
Extrusive igneous rocks are formed when magma cools quickly, and small or no crystals are formed, it may be vesicular meaning it may contains air bubbles.
54:58
Hunter-gatherer societies traditionally occupied the same territories year-round in order to care for their livestock.
Please select the best answer from the choices provided
OT
F
Mark this and retum
Save and Exit
Next
Submit
Answer:
CORRECT ANSWER IS FALSE.
Explanation:
I JUST DID THE QUIZ
E2021
Answer:
False
Explanation:
Edge 2021 ;)
Why is the moon abiotic?
Answer:
The moon is abiotic because it doesnt move and it's not a living thing.
Regan is trying to determine if an unknown element is a metal. She does not want to damage or change the physical appearance of the element in any way. Design an experiment that could determine if the mystery element is a metal without changing its appearance.
Explanation:
Well, one could use a magnet to see if it's ferrous. One could melt it to check which type it is, use a metal detector, or just use their senses: If it dings or clinks like metal, and feels like it’s texture. If it polishes with metal polish, is reflective, can be shaped or shape when heated… It usually is a metal. If it rusts, or oxidizes, it is or contains metal. If it “smells" like metal, most likely, it is metal. Finally, if it walks like metal, and quacks like metal, most likely we have a metal
Explain how a semi-permeable membrane works.
Semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.
Which small-scale mutation would be most likely to have the least negative effect on the function of a protein?
A substitution of one base for another within the sequence
A base deletion near the start of a gene
A base deletion near the end of the coding sequence, but not in the terminator codon
A deletion of three bases near the start of the coding sequence, but not in the initiator codon
Answer:
substitution
Explanation:
has a chance to cause silent mutation, which doesnt do anything to a protein.
The small-scale mutation that would most likely have the least negative effect on the function of a protein is ; ( A ) A substitution of one base for another within the sequence.
A substitution of one base for another within the sequence of a protein will cause an insignificant/silent mutation within the protein sequence and this mutation will not be evident in the protein.
When a base is deleted either near the start of a gene or near the end of the coding sequence, it will have a significant effect because this will change the sequence of the DNA ( due to the deletion of at least one nucleotide ).
Hence we can conclude that the small-scale mutation that would most likely have the least negative effect on the function of a protein is ; A substitution of one base for another within the sequence.
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A defendant's attorney can claim insanity in his or her defense for a crime against another person.
False
True
Answer: The answer is true.
Answer:
True
Explanation:
edge business law 2023
According to atomic theory, all matter is made up of particles called atoms Why is this considered to be a theory and not a law?
A. Atomic theory may change when new evidence is found that does not support the theory. A law has been proved with scientific evidence.
B. Atomic theory is a description based on observations. A law is based on mathematical calculations.
C. Atomic theory is an explanation of the nature of atoms. A law describes natural events but does not attempt to explain them.
D. Atomic theory is supported by research. A law is merely an educated guess
B
hope thats correct, not too sure tho:(
is spirogyra a protist or thallophyta
Answer:
Protista
Explanation:
Kingdom: Protista and Division: Charophyta
Answer:
protista
Explanation:
it exists in haploid cells reproduced by binary fission
"An organism is hungry, so it eats some food".
What is the stimulus and the response?
What is the function of a coenzyme?
1. Binds to the substrate to raise activation energy
2. Inhibits the metabolic pathway of the enzyme
3. Couples with an enzyme to help remove or add electrons in order for the reaction to be catalyzed
4. Is a secondary protein complex that produces ATP
How are environmental issues and food production related?
Answer: Food consumption and production have a considerable impact on the environment. Food production contributes
Explanation: , for example, to climate change, eutrophication and acid rain, as well as the depletion of biodiversity. It is also a considerable drain on other resources, such as nutrients, land area, energy, and water.
What happens during the pathway of glycolysis?
A. Glucose is broken down into private
B. Carbon dioxide is produced
C. More ATP is consumed than is produced.
D. Lactic acid is produced
Answer:
the correct answer is A :Glucose is broken down into pyruvate
Answer:
If I'm correct, the glucose is broken down into pyruvate and energy.
Explanation:
I hope this helps! ^^
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Darcy put three healthy plants in pots. She put them in three places. Each plant had good soil, air, and water. After three weeks,
Darcy checked on the plants.
Based on the results, where do you think Darcy put plant #2?
es )
A)
in the shed
B)
under a tree
)
on the back deck
D)
in the front yard
Fr
Answer:
A)in the shed
Explanation:
Just did the usa test prep
If a cell has 40% solute and is placed in a solution with 60% water what will happen to the cell
There will be no net movement of water in or out of the cell.
Water moves out of the cell when a cell is placed in a hypertonic solution. This is a solution that contains more solute than does the cell. When a cell is placed in a hypotonic solution, water enters into the cell from the solution until the cell finally bursts. However, if the cell and the solution contain the same amount of solute, there is no net movement in or out of the cell.
We can see here that the cell has 40% solute and is placed inside a solution that has 60% water. This means that the solution also contains 40% solute. There will be no net movement of water in or out of the cell.
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You catch, tag, and release 35 fish back into a pond. Then, you catch 70 more fish, 12 of which have tags on them. What is the best estimate of the number of fish in the pond?
Answer:
204
Explanation:
The estimated total number of individuals in a population using the capture and recapture method is given by the following equation;
N = (M x C)/R
where N = estimates of the number of individuals in the population, M = number of individuals captured and marked the first time, C = total number of individuals captured (marked and unmarked) in the second attempt, and R = number of marked individuals captured in the second attempt.
In this case, M = 35, C = 70, and R = 12
Hence,
N = 35 x 70/12 = 204.16
Therefore, the estimated number of fish in the pond is 204.
Right now we have the ability for genetic modification (plants, animals, diseases, or humans). Discuss a positive or a negative use and whether you agree or disagree with it.
Answer:
There are pros and cons in genetic modification.
Explanation:
Pros: It will help with plant growth and because of global warming it can help keep the plants alive. It can also help cure some diseases and help humans stay alive with what is coming for us in the future.
Cons: If we do this, we would gain more diseases and have new mutations going on in the world. The Plants may mutate and we may lose some types of animals to new diseases.
Briefly describe the impacts of climate change on ecosystem
.
Answer:
can alter where species live, how they interact, and the timing of biological events, which could fundamentally transform current ecosystems and food webs. Climate change can overwhelm the capacity of ecosystems to mitigate extreme events and disturbance, such as wildfires, floods, and drought.
Explanation:
PLZZ HELP IM DOING A UNIT ASSESMENT!!!!
What types of cells would contain cell walls and what types of cells would contain a cell membrane?
Answer:
I agree with the other person
have a good day :)
Explanation: