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7.An experiment was conducted that showd the building blocks of life (amino acids) could indeed be formed by the combination of warm salt water, volcanic gases, and sparks of electricity.
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Answer:
The most significant experiment performed to date on the formation of organic molecules remains that of Miller and Urey in 1952 when they sought to test the hypothesis of Oparin and Haldane that the organic building blocks of life emerged from a reducing atmosphere (Miller, 1953). Miller filled a flask with the four gaseous elements of the reductive atmosphere: methane, ammonia, hydrogen and water. He then passed electrical discharges through them to simulate lightning. After 125 h of the experiment, using the equipment available to him at the time, Miller identified several alpha amino acids contained within the residues.
I NEED HELP FAST For a science day demonstration, Ms. Morella's class built a model showing how Earth's various spheres interact with one another. Which process could the class use to show interactions among the hydrosphere, the atmosphere, and the biosphere?
Group of answer choices
erosion of soild by flowing water
photosynthesis in a large rain forest
formation of icebergs as glaciers reach the sea
breaking down of rocks by mechanical weathering of tree roots
Answers
The process that the class could use to show interactions among the hydrosphere, the atmosphere, and the biosphere is the photosynthesis in a large rain forest.
What is photosynthesis?Photosynthesis can be described as the process that the plants do utilize to engage sunlight, water, as well as the carbon dioxide so that they can form oxygen as well as energy .
It should be noted that in this process there will be interactions among the hydrosphere, the atmosphere, and the biosphere as a result of the sunlight and water that is been used by plant in this process.
Therefore , option B is correct.
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Write a program that simulates the growth of parasite population in an animal over time. Each parasite organism reproduces itself at some time interval. Animals may undergo drug treatment to inhibit the reproduction process, and clear the parasites from their body. However, some of the parasite are resistant to drugs and may survive.
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Answer:
Good environmental conditions and food availability.
Explanation:
Good environmental conditions and food availability are the factors that simulates the growth of parasite population in an animal with the passage of time. Yes, drug can reduces the population of parasites but all parasites can't be removed because some gain resistance against that chemical which allows them to survive in that environment so good environmental conditions and food availability increases population of parasite.
PLEASE! ASAP! 100 POINTS!
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Answer:
je n'arrive a faire o travail je suis désolée
Answer:
THis was 2 months ago so dont think you need this
Explanation:
Which observation can you make about the apparent brightness of the star Sirius
A: The star is larger than the other stars in the sky.
B: The star is farther away from earth so it appears brighter.
C: The star is reflecting the sun’s light.
D: The star is closer to earth so it appears brighter
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Answer:
B. the star is farther away from the earth so it appears brighter.
Answer:
D: The star is closer to earth so it appears brighter
4. What properties do compounds have with strong attractive forces between their atoms?
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Other than wind, the most significant factor that influences the movement of ocean water at the surface is the
PLEASE HELP ME
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Answer:
The movement of the ocean
Explanation:
Answer:
Thermohaline circulation.
or
The rise and fall of the tides. Tides create a current in the oceans, which are strongest near the shore, and in bays and estuaries along the coast.
Explanation:
(10.01 MC)
Which of the following describes air temperature and air pressure at higher altitudes?
O Air temperature increase while air pressure decreases
O Air temperature and air pressure both decrease
Air temperature and air pressure both increase
O Air temperature decreases while air pressure increases
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Answer:
last one : air temperature decreases at high altitude and air pressure increases which makes us hard to breathe.
19)
Genetic engineering is a branch of science that uses biotechnology tools to make modifications to organisms to express new
phenotypes. One application of genetic engineering is creating genetically modified crops. Assess which of the statements applies
to the field of biotechnology and genetic engineering in an accurate manner. You may select more than one correct answer.
A)
Genetically modified foods are dangerous for human consumption
B)
Genetically modified crops can contain DNA from two different species.
entific
cats
C)
Genetically modified crops increase the genetic diversity of a species.
D)
Genetically modified crops may grow in areas outside of the native range.
ghtight
Time
E)
Genetic modification can create improved crops faster than traditional
selective breeding programs.
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Answer: b, d, e,
Explanation:that’s the right answer
In the field of biotechnology and genetic engineering, Genetically modified crops can contain DNA from two different species.
What does genetic engineering study?Genetic Engineering is a set of molecular analysis techniques that allow studies of
CharacterizationExpressionand Modificationsof the genetic material (DNA and RNA) of living beings.
With this information, we can conclude that in the field of biotechnology and genetic engineering, genetically modified crops can contain DNA from two different species.
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Explain why the phrase “energy is lost is not correct and explain why people would use that phrase.
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Answer:
That doesn't mean the energy is gone, it's just not where you are looking. The universe is defined as all energy and matter. It is everything. Closed system there is ...
Which best describes the reactants and products of photosynthesis?
Reactants are formed inside the plant, and products are taken in from the environment by the plant.
O Reactants are taken in from the environment by the plant, and products are formed inside the plant.
O Reactants and products are formed inside the plant.
O Reactants and products are taken in from the environment by the plant.
Mark this and return
Save and Fyit
Nov
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- Reactants are taken in from the environment by the plant, and products are formed inside the plant.
Answer:
reactants are taken in and products are formed within
co2 and h2o are the reactants and o2 and sugar are the products
Explanation:
Can any one help me with those questions? Thank you
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Thus her genotype would be Ww
What causes the air above the land to become warmer than the air above the ocean?
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Answer: During the day the sun heats up both the ocean surface and the land.
Explanation:
Answer: land absorbs much of the sun's energy. water heats up much more slowly than land and so the air above the land will be warmer compared to the air over the ocean. wind will blow from the higher pressure over the water to lower pressure over the land causing the sea breeze.
Explanation:
If this is right and it’s ok, please give me brainlies :)
If the parent cell has 40 genes how many will each daughter cell have ?
A. 20
B. 80
C. 40
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Answer:
20 i believe
Explanation:
5. (01.07 MC)
How do we know our current money has value? (5 points)
People talk about money a lot.
It is backed by gold.
People accept it in exchange for goods or services.
It has many security measures.
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Answer:
The correct answer is - people accept it in exchange for goods and services.
Explanation:
Money is valuable because we know that it is "accepted." Money can be used to purchase goods and services even though it is no longer backed by gold. Security measures prevent counterfeiting but do not add value.
People know at that time that their current money has value when they accept it in exchange for goods or services, which is option C, as money is a medium of exchange.
The value of money is influenced by central banks. Different countries have different currencies, but the currency that is stable and has more security has more use. Money is also linked to the underlying economics, such as the ability of a country to buy and manufacture goods, thus increasing the economy. There are also many security measures, such as unique designs, special inks, holograms, etc., that are helpful for maintaining trust and confidence in the currency.
Learn more about the money value here.
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The statement "energy is conserved" means that
A. Energy cannot be destroyed or created.
B. The total amount of energy in the universe remains the same.
C. All of these
D. Energy is not lost, but it can change form.
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Answer:
B
Explanation:
In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes.
Tendons connect ___________ to _______________
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Answer: muscle to bone
what happens when an HIV infection occurs?
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Answer:
It targets and gradually weakens the body's immune system by damaging cells called CD4 T cells. This damage means that, over time, the body becomes less able to fight off other infections. If the immune system becomes impaired enough, infections that are typically mild can be life threatening.
During photosynthesis,plants take in carbon dioxide,water,and energy from the sun and produce carbohydrates and oxygen.Which of the following statements best explains how plants follow the law of conservation of mass during photosynthesis?
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Answer:The amount of each element that begins photosynthesis equals the amount of each element that is produced
Explanation:
1. Write a statement that uses (correctly) the terms gamete, fertilization, and zygote. (2)
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Answer:
The zygote simply is the fertilized ovum or egg cell or female reproductive cell. It is the result of the process of fertilization of the fusion of the male reproductive cell (gamete) and the female reproductive cell ( gamete). In human, the zygote is the resulted cell of fertilization of the sperm and the ovum. It is diploid or 2N which means it contains two sets of chromosomes; one set from the male and the other from the female.
The gamete is the reproductive cell. There are two types of gametes; male gamete and female gamete. In human, the male gamete is called the sperm and the female gamete is called the ovum. The gamete is the last stage of the reproductive cells to be completely formed.
Fertilization is the fusion of the male gamete and the female gamete to form the zygote. Fertilization may be external as in fish or internal as in human.
PLEASE HELP ASAP!!
2. What evidence gives us insight into early human behavior?
O cave paintings
O DNA base sequences
skeletal remains
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Answer:
I would say the most logical answer would be DNA base sequences
skeletal remains.
Explanation:
what does divine creation mean? did charles darwin agree with this idea?
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Answer:
The term creationism most often refers to belief in special creation; the claim that the universe and lifeforms were created as they exist today by divine action, and On the Origin of Species reflects theological views. Though he thought of religion as a tribal survival strategy, Darwin still believed that God was the ultimate lawgiver, and later recollected that at the time he was convinced of the existence of God as a First Cause and deserved to be called a theist.
Explanation:
All of the following apply to estuaries EXCEPT: There provide very valuable breeding grounds for commercially important fish and shellfish. There is no salinity in estuarine ecosystems due to large supply of fresh water from a river. Plants and algae that grow here have high tolerance for changing environmental conditions like salinity and light penetration. These coastal ecosystems provide a barrier against the ocean during storms.
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Answer:
There is no salinity in estuarine ecosystems due to large supply of fresh water from a river.
Explanation:
An estuary is a semi-closed body of water where fresh water and sea water meet and merge. Even though they are not a habitat to diverse species, they are very valuable breeding grounds and are one of the most productive environments. It is true that plants and algae that grow there have high tolerance for changing environmental conditions like salinity and light penetration because fluctuations happen from time to time because of the influence of the tides. And because of the partially enclosed nature of estuaries, there is provision for a barrier against the ocean during storms.
But despite the supply of fresh water, there is actually salinity in estuarine ecosystems which also varies depending on the concentration of sea water to fresh water.
An example of a biosphere is ________________
Question 1 options:
All the biomes in Texas
Rocks, soil, water, and air on Earth
Rainforest
Earth
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Answer:Earth
Explanation:It is actually earth since we have living organisms
PLS HELP ! picture included. max points
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Answer:
TAC CAT GGA ATT ACT -----> AUG GUA CCU UAA UGA
Amino Acids: AUG=Methionine, GUA=Histidine, CCU=Proline, UAA=Isoleucine, UGA=Threonine
TTC AAT GGT CTA GGG ----> AAG UUA CCA GAU UUU
Amino Acids: AAG=Lysine, UUA=Leucine, CCA=Proline, GAU=Leucine, UUU=Lysine
Answer:
TAC CAT GGA ATT ACT -----> AUG GUA CCU UAA UGA
Explanation:
Reptiles are well adapted to life on land. What is the function of many of their adaptations to life on land?
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Answer:
25
Explanation:
24x25$+#-##+$($$frjre
Amoeba Sisters Video Select Recap: Mitosis vs. Meiosis Comparison
Could i get help with this?
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Answer:
Both mitosis and meiosis occurs in Amoeba.
Explanation:
Both mitosis and meiosis occurs in Amoeba. Those kinds of Amoeba that reproduces through asexual reproduction uses mitosis in which a single parent Amoeba cell is divided into two identical daughter Amoeba cells while on the other hand, Myxamoeba reproduce through sexual reproduction in which meiosis cell division is used. In this type of reproduction, the daughter Amoeba is different from their parents Amoeba.
Which hormone is used by both males and females? A. Estrogen B. Luteinizing hormone C. Progesterone D. Testosterone
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Answer:
luteinizing hormone
Explanation:
hope this helps!!!
Beginning from the center of the inside of the Earth, list the layers of the Earth
and give a brief description of each:
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Are cyclin and kinases are internal or extra?
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Answer:
internal
Explanation: