carbon, the fundamental component for all the macromolecules.
Prior to 1850, the melanic form of the peppered moth in Europe was:______.
Roots or plant growth making cracks in concrete mechanical or chemical weathering
the carbon used in photosynthesis comes primarily from the air or surrounding aquatic environment
a. true
b. false
Answer: true
Explanation:
What is the significance of study human biology in understanding cultural capacity? Explain your answer with atleast 1 paragraph
Answer:
Hope it helps
Explanation:
The Evolution of the capacity for culture is important in order to understand how the human body works. This is also the case for developing methods necessary for solving problems that may arise from accidents, diseases, and sickness.
The significance of studying human biology in understanding cultural capacity should be explained below.
Significance of studying human biology?The Evolution of the capacity for culture should be significant in order to understand how our human body works. It should be applied for creating the methods that are significant for solving problems that may occur from accidents, diseases, and sickness.
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Describe two practical uses for an artificial chemical which behaves like chlorophyll.
Chemicals like Titanium dioxide and photovoltaic cells are artificial chemicals that behave like chlorophyll.
What do you mean by Artificial chemicals?Artificial chemicals may be defined as chemicals that are synthesized by the activity of humans and their processes.
The nanoparticles of titanium dioxide have the ability to increase the light-capturing potential of a surface, while a photovoltaic cell enables sunlight to be processed into usable electricity by exciting outer shell electrons on some metals. These substances also behave naturally and initiate the reactions in the reaction center present in the chloroplast.
Therefore, Chemicals like Titanium dioxide and photovoltaic cells are artificial chemicals that behave like chlorophyll functionally.
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which sphere regarding carbon would be the most immediately affected by a decrease in sunlight
Answer:
All of this extra carbon needs to go somewhere. So far, land plants and the ocean have taken up about 55 percent of the extra carbon people have put into the atmosphere while about 45 percent has stayed in the atmosphere. Eventually, the land and oceans will take up most of the extra carbon dioxide, but as much as 20 percent may remain in the atmosphere for many thousands of years.
The changes in the carbon cycle impact each reservoir. Excess carbon in the atmosphere warms the planet and helps plants on land grow more. Excess carbon in the ocean makes the water more acidic, putting marine life in danger.
What are the best smells
Answer:
Hope you understand this ans
Answer:
1. cookes fresh out of the oven
2. melting chocolate
3.fresh air
4.new car smell
5. vanilla
6. bacon
7. coconut
ANSWER QUICK PLS!!!
What is the purpose of greenhouse gases?
Answer:
Image result for what is the purpose of greenhouse gases
Greenhouse gases are certain molecules in the air that have the ability to trap heat in the Earth's atmosphere. Some greenhouse gases, like carbon dioxide (CO2) and methane (CH4), occur naturally and play an important role in Earth's climate. If they didn't exist, the planet would be a much colder place.
Explanation:
Answer:
Greenhouse gases are certain molecules in the air that have the ability to trap heat in the Earth's atmosphere. Some greenhouse gases, like carbon dioxide (CO2) and methane (CH4), occur naturally and play an important role in Earth's climate. If they didn't exist, the planet would be a much colder place.
Explanation:
Hope This Will Helpp
Why do sea urchins have spines (spikes)
Answer:
they are used for protection, maneuvering, and to trap food for consumption
Explanation:The spikes of the sea urchin are used for protection, to move about, and to trap food particles that are floating around in the water.
It takes just four hours for one bacterium to become _____.
Answer: 256 bacterium.
Explanation:
suppose a bacterium would divide once in every half an hour, this means it would be double in half an hour.
therefore, a number of the bacterium after half an hour will be 1 x 2 = 2.
After one hour, we would have doubled the number of bacterium =2 x 2
= 4.
Also, in one and a half hours, it would become 4 x 2
= 8.
In 2 hours, it would be 8 x 2 = 16.
Also in two and half hours, it would be 16 x 2
= 32.
In three hours, it would be 32 x 2
= 64.
In three and a half hours, it would be 64 x 2
= 128.
Funally, in four hours, the number of bacterium would have been multiplied to 128 x 2
= 256.
It takes just four hours for one bacterium to become 256 bacteria.
It should be noted that a bacterium will divide once in every half an hour. This implies that it'll be double in every half hour. Therefore, for an hour, there'll be 2 bacterium.
Since it doubles every half hour, in 2 hours, the value will be 16 bacteria. Therefore, the value in four hours will simply be:
= 16 × 16 = 256 bacterium.
Therefore, it takes just four hours for one bacterium to become 256 bacteria.
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Help me plz I need help
Answer:
The answer is C
Explanation:
Whenever a cell divides, it's always a carbon copy of the cell it originates from.
Answer:
C
Explanation:
Describe the structure of an amino acid. What makes each of the 20 amino acids unique?
Answer:
Amino acids are molecules used to build proteins. All amino acids have a central carbon atom surrounded by a hydrogen atom, a carboxyl group (COOH), an amino group (NH2), and an R-group. It is the R-group or side chain that makes each of the 20 amino acids unique.
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How do you make mind maps?
You want to measure the effect of different amounts of oxygen on the rate of yeast growth. What is the independent and dependent variable?
Answer: depndent the difrent amounts indendent yeast growth
Based on what you read, what is the importance of the Endosymbiotic Theory?
The endosymbiotic theory is important because it is currently the leading theory on the origin of eukaryotic and prokaryotic cells and why they are different.
Increasing the rate of an impulse is the function of the_________.
A myelin sheath
B. axon terminals
C. cell body
D. axon
Answer:
Myelin sheath
Explanation:
Increasing the rate of an impulse is the function of the myelin sheath. Thus, the correct option is A.
What is Impulse?The Impulse may be characterized as an electrical signal that can be transmitted along a nerve fiber in response to an external or internal stimulus.
The Myelin sheath increases the rate of nerve impulses. This is because it insulates the part of axons and reduces the chances of any disturbance in between due to the assemblage of voltage-gated sodium channels.
Therefore, increasing the rate of an impulse is the function of the myelin sheath. Thus, the correct option is A.
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Which term describes a pure substance that is made up of only one type of atom?
Answer:
A pure substance is something that occurs in nature. An element is made up of one type of atom only and cannot be split further. A compound has the combined properties of the elements from which it is made. Atoms show the macro properties of an element.
А _______
serves as a long-term storage area for water or nutrients.
Answer
1. reservoir
2 atmosphere
Which is the odd one out air solid liquid gas
Answer:
Air.
Explanation:
Our defined states of matter:
Bose-Einstein Condensate
Solid
Liquid
Gas
Aqueous
Plasma
Air is not defined as a state of matter in Chemistry.
What’s a hazard
A hazard that occurs unintentionally
True or false
6 different between mango and lotus
Answer:
Mango tree: ... They are also grown mostly for the mango fruit production as the mango production achieved Mangifera is their genus name . They have relatively large leaves and can grow up to the height of 40 meter. Rose plant : They are the plants which means they are relatively small and has the weak stem.
Which of the following are disadvantages of mono-culture cropping?
Select one:
A. The planting of one single crop leads to a severe loss of biodiversity
B. It may leave crops susceptible to large scale pest and disease outbreaks
C. Planting the same crop, for extended periods of time, may deplete the soil of key nutrients
D. All the above
Which sentence describes what happens to plastic that absorbs energy from
sunlight?
A. It becomes brittle.
B. It shrinks.
C. It darkens in color.
D. It becomes stronger.
Answer: A
Explanation: just took the test :)
The plastic that absorbs energy from sunlight becomes shrink. The correct option is B.
What are harmful effects of plastic?Endocrine disrupting substances (EDCs) are among them; they have been connected to a number of diseases such as infertility, obesity, diabetes, prostate cancer, and breast cancer.
In addition to these problems, chemicals have also been related to issues of neurodevelopment, growth, and reproduction.
Chlorinated plastic has the potential to leak dangerous chemicals into the soil around it. These chemicals can then seep into nearby water sources, including groundwater, and the ecosystem.
The species that consume the water may experience a variety of potentially dangerous impacts as a result.
The plastic is exposed to sunlight, which oxidises it and converts the polymers into oligomers, extremely soluble organic molecules.
Plastic breaks down into smaller molecules and absorbs UV radiation from the sun, thus how quickly it decomposes depends on how much of it is exposed to sunshine. This process is known as photodegradation in science.
Thus, the correct option is B.
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which protein is used to break food down and give?
protein digestion begins when you first start chewing. there are two enzymes in your salvia called amylase and lipase. they most break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid enzymes called proteases break it down into smaller chains of amino acids
What are the reaction of group 1 elements ?
Your mother and your grandmother were right when they said to eat your carrots for healthy eyes. Beta carotene, a carotenoid found in carrots, is a molecule that the body easily changes into vitamin A. In which group of organic molecules do carotenoids belong?
Answer:
tetraterpenoids
Explanation:
Carotenoids belong to the category of tetraterpenoids. They contain 40 carbon atoms, being built from four terpene units each containing 10 carbon atoms.
how do you use a potometer in regard to environmental factors
Different chemical elements will create a different scattering of absorption lines in the spectrum of visible light. We understand the interaction of an atom with light and because of this we can predict where the lines should be and verify this in a lab this process is called
Answer:
Hydrogen emits and absorbs light at specific wavelengths, therefore if you're looking at a distant cloud that produces a certain spectrum
Explanation:
What makes life on the Earth possible?
Answer:
The balance between the biosphere, geosphere, hydrosphere, and atmosphere make life on Earth possible. Each component of the Earth system interacts with the others to exchange matter and make life possible.
Thats the answer
Explanation:
The factors which makes life on Earth possible are: energy, carbon, water in liquid form, and various other elements such as nitrogen, phosphorus, hydrogen, and most important oxygen.
What are the conditions on Earth?
Earth has a gaseous atmosphere which is responsible for making life possible on the planet. It is the third planet from the Sun. The atmosphere on Earth contains water vapor which helps to moderate our daily temperatures on the planet. The atmosphere contains 21% oxygen, which is necessary for breathing of organisms, and 78% nitrogen.
Earth is present at the right distance from the Sun, which keeps it protected from the harmful solar radiations coming from the sun by the magnetic field, keeps it warm by an insulating the atmosphere, and also has the right chemical ingredients for life, including water and carbon.
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What is the name of the biomolecule that is influenced when a gene is altered in genetic engineering?
Answer: Protein
Explanation:
Answer:
C. protein
Explanation:
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