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If all cells have the same DNA how do they become different types of cells?
Which of the following would likely move through the phospholipids of the
cell membrane most easily? *
CO2
Glucose
K+
Starch
Answer:
CO2
Explanation:
Oxygen and CO2 can move through the cell membrane through simple diffusion because they are small molecules.
It's possible that CO2 travels through the lipid bilayer far more quickly than any other molecule. Therefore, option (A) is correct.
What is the structure of cell membrane ?According to the fluid mosaic model, the plasma membrane is a mosaic of components—primarily, phospholipids, cholesterol, and proteins—that move freely and fluidly in the plane of the membrane.
All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.
Therefore, small and simple molecules like water, H2O , CO2 can pass through the cell membrane easily as it is partially permeable.
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Answer:
1/4 = 25%
Explanation:
AO x BO = 1 AB, 1 AO, 1 BO, 1 OO
Modern classification is based on
A. structural similarities
B. Biochemical evidence
C. evolutionary relationships
D. analogous structures
Answer:
A. structural similarities
Explanation:
Answer:
A. structural similarities
Explanation:
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which of the following would be considered a healthy pattern of weight gain in a pregnant woman?
Answer:
Underweight women should gain 28 to 40 pounds. And overweight women may need to gain only 15 to 25 pounds during pregnancy. In general, you should gain about 2 to 4 pounds during the first three months you're pregnant and 1 pound a week during the rest of your pregnancy.
What are some ways we can stop global warming in the arctic?
Help!
Answer:
Reducing your carbon emissions and dependence on fossil fuels can help save the Arctic.
Discover practical ways you can make a difference, from joining our campaigns to shopping greener at the supermarket and making your home energy efficient.
Answer:
Reducing your carbon emissions and dependence on fossil fuels can help save the Arctic.Discover practical ways you can make a difference, from joining our campaigns to shopping greener at the supermarket and making your home energy efficient.Tell your government you want them to back green energy – to fight climate change and stop the rush to exploit Arctic energy resources.Reduce Water Heating Requirements.That's it...
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How do you think the Law of Universal Gravitation State connects why apples fall down and planets circle in orbit?
what products are yielded during electron transfer in cellular respiration?
Answer:
ATP, Carbon dioxide, and water?
Explanation:
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Answer:
last option is a correct answer.
Explanation:
the moon and the earth spin around each other.
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The breathing rate , heart rate , and blood hormone levels of an individual would directly provide information about that individuals ?
Answer:
Health
Explanation: Knowing an individuals breathing rate heart rate and or blood hormone levels could help you find weather or not that person has any heart problems or just health problems in general. Hope this helped :)
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List five organelles eukaryotes have that prokaryotes do not have.
Answer:
nucleus, mitochondria, golgi apparatus, endoplasmic reticulum and lysosomes
what is the four chambers for the heart?
Answer:
The heart has four chambers: two atria and two ventricles.
Explanation:
The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
Answer:
The four chambers of the heart are the Right atrium,Left atrium,Right ventricle and Left ventricle.
Explanation:
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How can humans best limit the negative impact that farming has on soil quality?
Answer:
rasenshuriken jk f these resources, soil and water have provided humans with the ability to ... to fertile soils; 3) the impacts of intensive agriculture on soil degradation; and 4) the ... in a severe limitation of crop yield — an example of the principle of limiting factors. ... to generate new soil, it is imperative that agricultural practices utilize best ...
Explanation:
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Speciation, which leads to diversity among species through natural
selection, occurs when
Once similar species are no longer able to mate and produce fertile
offspring
Organisms develop characteristics that mimic traits of a completely
different species.
Species experience change within their lineage and develop new
characteristics.
Species interact with other species in an ecosystem and develop
similar traits to each other.
Answer:
Natural selection and speciation: 'Ecological speciation'. ... Natural selection is generally recognized as a central mechanism of evolutionary change within species. Thus, natural selection plays a major role in generating the array of phenotypic and genetic diversity observed in nature.
Describe the impact of technology on the environment today.
Answer:
These mainly occur as a result of agriculture, mining, water usage and consumption of fossil fuels, all of which have been enabled by advancements in technology. Due to the increasing global population, levels of natural resource degradation are also increasing.
Answer:
technological advancements had lead to the industrial society, which has greatly increased pollution and habitat destruction. however, today technology is being utilized to reduce human impact on the environment.
Explanation: its the possible answer on edge 2021
Which of the following functions belongs
to the cellular membrane?
A. keeps the organelles in place
B. protects the cells from its surroundings
C. acts as an "ID card" for cells
D. allows large molecules to move from one side of a cell
Answer:
I believe B would be the answer
Answer:
B. protects the cells from its surroundingsExplanation:
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a natural hazard is best defines as _____.
a.) any hazardous event that requires the declaration of a national state of emergency
b.) any large disaster that requires large amount of money and time for recovery
c.) any natural event that requires international assistance and aid
d.) any natural process that threatens human property and human lives
Answer:
D. any natural process that threatens human property and human lives.
Crude oil escaped from the well at an average rate of barrels per day. Calculate how many barrels of 60,000 crude oil flowed from the well from May 1 to May 31, 2010.
Answer:
1,800,000 barrels
Explanation:
60,000 barrels x 30 days
True or False. If the air pressure is high, the weather is usually stormy.
Answer:
True
Explanation:
what is osmosis? Explain in detail with examples?
movement of water molecules from a dilute solution to a concentrated solution
Explanation:
I put a process by which molecules of solventtend to pass through through a semi permeable membrane from a less concentrated into more concentrated one
example :feeling thirsty after having salty food
which answer is correct, ( i inserted a picture) please help ill give brainliest if correct
Answer:
D
Explanation:
Bohr determined that there are discrete (unique, different from one another) energy levels in the atom and that electrons will orbit the nucleus within these energy levels, known as orbitals.
Which is an extreme disturbance to any ecosystem
Answer:extreme temperature change
Explanation:
I took the quick check
Adelaide and Emma Rose created two brand new breeds of flowers: one lime green (G) and one bright orange (O). Green is codominant with orange. If they cross a lime green flower with a bright orange flower, what percentage will be speckled?
Answer:
20%
Explanation:
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Adelaide and Emma Rose created two brand-new breeds of flowers: one lime green (G) and one bright orange (O). The percentage that will be speckled is 20%.
What is crossing over?When chromosomes of the same type are paired together during meiosis, a biological event called crossing over takes place. Parts of the chromosome can be exchanged when two chromosomes, one from the mother and one from the father, line up.
The same genes may be present on the two chromosomes in different versions. The genetic material in the germ line can switch places, a process is known as crossing over.
Pairs of chromosomes from each parent align to allow similar DNA sequences from the paired chromosomes to cross over one another during the development of egg and sperm cells, commonly known as meiosis.
Therefore, the percentage that will be speckled is 20%.
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True or false: All herbivores are autotrophs.
Answer:
false
Explanation:
Autotrophs, organisms that produce their own food, are the first trophic level. These include plants and algae. Herbivores, which eat autotrophs, are the second trophic level. Carnivores, organisms that consume animals, and omnivores, organisms that consume both plants and animals, are the third trophic level.
Will Betelgeuse become a Neutron star or Black hole?
☁️ Answer ☁️
Scientists believe that Betelgeuse will most likely become a neutron star after it goes through a supernova event.
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True or False: Mass changes when gravitational force changes.
A
True
B
False
Answer:
the answer is B false. mass does not change with gravity.
True or False
Continental drift is the theory that states that the continents were separate and then slowly drifted together to form single landmass