Answer:
Internal srtucture adaption
Based on the data, what is the probability a randomly chosen cell will be observed undergoing cell division? You may use the calculator. A.15% A. 15% B.18% B. 18% C.30% C. 30% D.85% D. 85%
Answer:
A
Explanation:
The active state of cell division covers the prophase, metaphase, anaphase, and telophase. The total number of observed cells that were undergoing cell division can, thus, be calculated by adding the number of cells in each stage of the cell division.
Total number of cell in division = 20+4+2+4
= 30
Probability that a randomly chose cell will be undergoing cell division = number of cells in division/total number of cells
= 30/200
= 0.15 or 15%
The correct option is, therefore, A.
What is the definition of malignant?
Answer:
Malignant cells can invade and destroy nearby tissue and spread to other parts of the body.
Answer:
(of a disease) very virulent or infectious. a
Explanation:
(of a disease) very virulent or infectious.
Jenna is helping her family decide which water filtration technology they should install in their house. Which of these provides the correct reasoning for method Jenna and her family should choose?
A.reverse osmosis because it requires no filters, and removes all contaminants such as bacteria and chemicals
B.ultraviolet radiation because it requires no filters, and removes all contaminants such as bacteria and chemicals
C.ultraviolet radiation because it requires no energy, and removes all contaminants such as bacteria and chemicals
D.reverse osmosis because it requires low maintenance, and removes all contaminants such as bacteria and chemicals
Answer:
B
Explanation:
The water filtration technology they should install in their house is reverse osmosis because it requires low maintenance, and removes all contaminants such as bacteria and chemicals.
Reverse Osmosis Systems have a totally excessive effectiveness in doing away with bacteria (for example, Campylobacter, Salmonella, Shigella, E. coli); Reverse Osmosis Systems have a totally excessive effectiveness in doing away with viruses (for example, Enteric, Hepatitis A, Norovirus, Rotavirus).
How does reverse osmosis work ?Reverse osmosis works through shifting water via a semipermeable membrane to filter and flush away any contaminants. Reverse osmosis structures are quality appropriate for home use and offer a surprisingly green manner to purify your ingesting water at home.
Thus it is well explained.
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How do animals add carbon dioxide to the atmosphere?
A. breathing
B. evaporation
C. cellular respiration
D. transpiration
equation of cellular respiration
C6H12O6+6O2--->6CO2+6H20
from this equation we can see that co2 is a product so the answer is C
A. How do the oxygen (O2) and carbon dioxide (CO2) levels change over time?
Answer: How does CO2 level affect oxygen production? increasing CO2 production increases oxygen production. ... Greater flow of oxygen corresponds to a higher rate of photosynthesis.
Explanation:
Oxygen ( O₂ ) and carbon dioxide ( CO₂ ) levels change over time ;
Due to man-made and natural processes
Natural processes such as Photosynthesis and the storage of carbon in the biosphere and hydrosphere. cause a varying change in the levels of CO₂ present in the atmosphere because during photosynthesis CO₂ is used by green plants while the amount of stored carbon in the hydrosphere affects the level of available carbon in the atmosphere in general.
Man-made processes which includes the burning of fossil fuels and the release of CFC's into the atmosphere through gas flaring also the indiscriminate burning of bushes contribute immensely to the levels of carbon found in the atmosphere.
Hence we can conclude that Oxygen ( O₂ ) and carbon dioxide ( CO₂ ) levels change over time ; Due to man made and natural processes
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Which of the following shows the sequence of levels of organization that are shown in the illustration above?
A.tissue, cell, organ system, organ
B.cell, tissue, organ, organ system
C.cell, organ, organ system, tissue
D.tissue, organ, cell, organ system
Answer:
B.cell, tissue, organ, organ system
Explanation:
Because the cell make up the tissue the tissue makes up an organ and an organ makes up an organ system
how much force would is required to stop a 1200kg car in 2 seconds if the car is traveling at 22 m/s
The force required to stop the car is 13200 N.
We have car of mass 1200kg.
We have to determine how much force is required to stop this car in 2 seconds.
What is Force ?
Force is defined as the product of mass and acceleration. Mathematically-
F = ma
According to the question -
Using first equation of motion -
v = u + at
0 = 22 + a x 2
-22 = 2a
a = -11 m/s².
The force required to stop the car = M x a = 1200 x |a| = 1200 x 11 =
13200 N
Hence, the force required to stop the car is 13200 N.
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Fermentation is a process where
organic compounds are broken down in the presence of oxygen
most of the ATP is made in cellular respiration
sugars are created in photosynthesis
organic compounds are broken down in the absence of oxygen
Answer:
organic compounds are broken down in the absence of oxygen
Explanation
for example alcoholic fermentation done by Saccharomyces Cerevisae
C6H12O6-->2CO2+2C2H5OH
Please answer ASAP
Unlike the rest of the organic carbon
compounds, which of the following
elements do lipids contain a smaller amount
of?
A. nitrogen
B. oxygen
C. phosphorus
Answer:
I believe that it's C. phosphorous, because it says a lipid contains phosphorous in some cases.
Explanation:
Lipids are composed of carbon, hydrogen and oxygen atoms, and in some cases contain phosphorus, nitrogen, sulfur and other elements.
A cross between a white rooster and a black hen results in 100% blue offspring. When two of these
blue offspring are mated, the probable phenotypic ratio seen in their offspring would be
A) 1:1:2 B) 3:1 C) 1:2:1
D) 2:1:1
Answer:
c
Explanation:
they each contain a gene from their father, their mother, and themselves, since they are both blue there will be 2 blue genes, 1 black and 1 white
A cross between a white rooster and a black hen results in 100% blue offspring, so when two of these blue offspring are mated, the result is 1:2:1, which is option c, as 1 is white, 2 are blue, and 1 is black.
What is the significance of the genetic crossing?Due to incomplete dominance, genetic crossing occurs between two animals, such as one black hen and one white rooster, and the offspring are blue. When these two heterozygous blue birds cross, a total of four hens and roosters offspring are formed: 1 is black, 1 is white, and 2 are blue and this genetic crossing can also increase genetic diversity within a population due to meiosis.
Hence, a cross between a white rooster and a black hen results in 100% blue offspring, so when two of these blue offspring are mated, the result is 1:2:1, which is option c, as 1 is white, 2 are blue, and 1 is black.
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What is the starting point for an argument?
a
Counterclaim
b
Bridge
c
Claim
d
Support
Answer:
i think its c
Explanation:
Answer:
c
Explanation:
claim
If a certain organism is a secondary consumer, what best explains its position in the food web?
X, because organism X feeds on producers
Y, because organism Y feeds on producers
X, because organism X feeds on a carnivore
Y, because organism Y feeds on a herbivore
Answer:
Y because organism y feed on herbivore
Explanation: using process of elimination this one makes sense and i got it right on the test.
What is the function of RNA polymerase in the process of transcription?
A. It turns RNA into a polymer (long chain of repeating molecules)
B. It turns DNA into a polymer (long chain of repeating monomers)
C. It unzips RNA
D. it unzips DNA
The deforestation of rainforests in South America is an example of what specific type of
threat to biodiversity?
Answer:
habit destruction
Explanation:
deforestation gets rid of homes to the animals.
PLEASE HELP IM TIMED.
Both an electric motor and a generator spend an electromagnet inside of a permanent magnet. However, the input and output energies are different. Explain the differences.
Answer:
An electric motor converts electricity into mechanical energy, providing a power source for machinery. A generator does the opposite of this, converting mechanical energy into electricity.
Explanation:
how are the genetics of people and the corona different?
Answer:
biology
Explanation:
PLEASE HELP! Easy 10 points
Answer:
We exhale i think
Explanation:
We exhale to get Rid of carbon dioxide
What is the name of length of time needed for us to pay back our oxygen debt?
O2 oxygen debt time may vary from individual to individual, but the average is 2 minutes for normal individuals.
What is O2 Oxygen Debt?Oxygen debt is a physiological phenomenon that occurs when someone consumes oxygen at a faster rate than it can be replaced, leading to an oxygen deficit that causes increased respiration as the body tries to replace used oxygen.
With this information, we can conclude that the time of o2 oxygen debt can vary from individual to individual, but the average is 2 minutes for normal individuals.
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Does the stratosphere have a high or low temperature also what is the temperature
Answer:
Explanation:
The stratosphere is the second-lowest layer of Earth’s atmosphere, starting at 10 kilometers above the surface. Unlike the troposphere, the temperature in the stratosphere increases with altitude. At the top, the temperature is around 32°F – almost 100 degrees higher than the bottom.
how do the geocentric and heliocentric models of the solar system differs?
Answer:
The main difference is that the geocentric has the Earth at the center, and the heliocentric has the sun at the center.
Answer:
The geocentric has the Earth at the center while the heliocentric has the sun at the center.
Explanation:
:)
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Answer:
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Matthias Schleiden and Theodor Schwann looked at plant and animal cells. Schwann wrote the first part of what is known as the cell theory. Which statement did he write? A. All organisms are composed of one or more cells. All cells come from existing cells. B. All organisms are composed of one or more cells. The cell is the basic unit of life in all living things. C. All cells come from existing cells. The cell is the basic unit of life in all living things. D. All cells are microscopic in size. All cells come from existing cells.
Answer:
B. all organisms are composed of one or more cells. the cell is the basic unit of life in all living things.
Explanation:
This is the first part of the cell theory.^-^
how does sequencing genes provide evidence for evolution
Answer:
how does sequencing Gene's brain function as an instrument for me and my
As the ability to sequence the nucleotides making up DNA has improved, it also has become possible to use genes to reconstruct the evolutionary history of organisms. Because of mutations, the sequence of nucleotides in a gene gradually changes over time.
PLEASE I NEED HELP NOW!! this is from a Gizmo//Mutation and Selection, Compare the fitness to percentages to the insect colors. How does fitness relate to the color of the insects
Why is unlined landfill a point source pollution
PLEASE HELP
Answer:
Septic systems is the BEST example of a non-point source of water
pollution.
Explanation:
Residue from inappropriately oversaw building destinations, harvest and woods terrains, and disintegrating streambanks. Salt from water system practices and corrosive seepage from surrendered mines. Microbes and supplements from domesticated animals, pet squanders and broken septic frameworks. Residue from inappropriately oversaw building locales, harvest and woods grounds, and disintegrating streambanks.
Myosin is plentiful in muscle cells, but is not found at all in lens cells. Lens cells contain large amounts of crystallins, which are not found in muscle cells. Why do some proteins appear in one type of cell but not in another?
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Marshes, deltas, beaches, and barrier islands are created when sediment is dropped off by agents like waves, wind, and rivers. What process is responsible for the formation of these environments?
Weathering
Deposition
Erosion
Stratification
Answer:
Deposition
Explanation:
Deposition is the geological process by which material is added to a landform or land mass. Fluids such as wind and water, as well as sediment flowing via gravity, transport previously eroded sediment, which, at the loss of enough kinetic energy in the fluid, is deposited, building up layers of sediment.
Matthias Schleiden and Theodor Schwann looked at plant and animal cells. Schwann wrote the first part of what is known as the cell theory. Which statement did he write?
A.
All organisms are composed of one or more cells. All cells come from existing cells.
B.
All organisms are composed of one or more cells. The cell is the basic unit of life in all living things.
C.
All cells come from existing cells. The cell is the basic unit of life in all living things.
D.
All cells are microscopic in size. All cells come from existing cells.
Which statements best describe shared characteristics? Select two options.
a. Shared characteristics always exist in the common ancestor and in the modern organism
b. Shared characteristics never exist in the common ancestor or in the modern organism.
c. The more characteristics organisms share, the more closely related they are.
d. The fewer characteristics organisms share, the more closely related they are.
e. Shared characteristics can exist among organisms that belong to different species.
f. Shared characteristics only exist among organisms that belong to the same species.
Select the correct answer.
How are 3-D printers useful in studying evolution?
A.
to color the fossils of organisms
B.
to create clones of extinct organisms
C.
to create replicas of fossils
D.
to prepare paper cutouts of organisms
E.
to study the composition of fossils
They create replicas of fossils.
Answer:
c
Explanation: