Why is the Huronian Supergroup rock formation particularly interesting to scientists?
A .because it looks like a cross-section of a giant, stone encyclopedia
B .because it formed during the period when oxygen began to accumulate in the atmosphere
C .because it contains unusually large amounts of oxygen and sulfur
D .because it formed during the period when oxygen began to accumulate in the atmosphere
Answer:
B and D are the same answer..
It's B and D I suppose either one works
Explanation:
B. Because it formed during the period when oxygen began to accumulate in the atmosphere.
What is Huronian Supergroup rock formation?The Huronian Supergroup is a rock formation that formed about 2.4 billion years ago, during the Huronian Era of Earth's history. This period is particularly interesting to scientists because it marks the time when oxygen began to accumulate in the Earth's atmosphere.
Prior to this, the Earth's atmosphere was mostly composed of methane, ammonia, and other gases, and the development of oxygen in the atmosphere represented a major turning point in the evolution of life on Earth. As a result, the Huronian Supergroup and other rock formations from this period are of great interest to scientists studying the early history of the Earth and the development of life on our planet.
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what effect would the enzyme have on the amount of product made in 3 seconds?
Answer: I believe it should be increase. If that doesn’t work, let me know and I’ll correct it.
Explanation:
The effect that an enzyme would have on the amount of product made with time would be to increase it.
Basically, what enzyme does is to the lower energy barrier that reactants need to cross in order to get to products - the activation energy.
The similitude of using enzyme in a reaction is like using a shorter route to get to a destination. You gain time as compared to someone that used a longer route. Hence, your rate of reaction is increased.
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A population of ground squirrels lives in underground burrows several miles from an ocean shore. If a hurricane strikes the shore, which effect of the hurricane would probably do the most damage to the squirrel population?
Answer:
flooding
Explanation:
The hurricane brings in enormous amounts of rainfall with it, often resulting in flooding. The ground squirrels in this scenario live relatively close to the ocean shore. They live in burrows, spending big portion of their time in them, as well as having their young ones sheltered in them. The heavy rainfall and the flooding of the area will result in filling the burrows with water. The damage for the population of ground squirrels will be enormous, with their young ones all drowning for sure, and the majority of the adults getting drowned as well, or maybe even all of them. Hope this helps!!!!!
Practice 1: What is so important about DNA? Select all correct answers.
A. DNA is found in all organisms and carries instructions to build those organisms
B. DNA found in one organism probably shares similar instructions found in another species
C. DNA is composed of only four bases that repeat in a sequence that is different for each species
D. Some organisms don’t actually have DNA
E. The DNA of each organism is made out of different types of chemical
Answer: A B C
Explanation: I did this and got it correct!
Which kingdoms include unicellular organisms?
Answer:
Older system divides eukaryotic organisms into Animalia, Plantae, Fungi, Chromista and Protista. All of these 5 kingdoms contain unicellular species, except for Animalia. Note: Eukarya, Bacteria and Archea are not "kingdoms" as some people wrote. They are "domains" of life or "superkingdoms"!
i hope this helps :)
Explanation:
The kingdoms that include unicellular organisms are Protista, Archaea, and Bacteria. While Protista consists of both unicellular and multicellular organisms, the Archaea and Bacteria kingdoms are strictly unicellular.
Explanation:The kingdoms that include unicellular organisms are Protista, Archaea, and Bacteria. Organisms in the Protista kingdom can be unicellular or multicellular, but many are unicellular like amoebas and paramecia.
On the other hand, all organisms in the Archaea and Bacteria kingdoms are unicellular and represent some of the earliest forms of life on Earth.
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The picture represents a lipid before it undergoes the process of digestion. The chains that are broken during the process of digestion are known as:
sugar
fatty acid
nucleic acid
complex carbohydrate
Answer:
Fatty acid chains
Explanation:
A Triglyceride molecule is made up of 3 fatty acid chains and 1 glycerol molecule held together by ester bonds.
Digestion of lipids using lipases hydrolysed the ester bonds to release 1 molecule of glycerol and 3 molecules of fatty acid chains.
The behaviorist B.F skinner was a __ when it came to explaining how children learn language
Answer: nurturist
Explanation:
The American psychologist and behaviorist Burroughs Frederick Skinner ( 1904 – 1990) was a Harvard Professor of Psychology. He is considered the pioneer of modern behaviorism. He explained in his book “Behavior of Organisms “ how environmental variables control behavior. He believed that parents’ nurturing shape the child’s language behavior.
Final answer:
B.F. Skinner, a behaviorist, believed children learn language through reinforcement and feedback, but his view was challenged by Noam Chomsky who proposed an innate capacity for language. Today, language acquisition is understood as an interplay of nature and nurture, combining Skinner's behavioral perspective with innate elements suggested by Chomsky.
Explanation:
The behaviorist B.F. Skinner was a proponent of the idea that children learn language through the process of reinforcement and feedback. This perspective posits that behavioral responses, including language, are shaped by environmental stimuli and consequences, such as rewards or punishments. For example, when a child uses a word like cookie, they are met with reinforcement if they receive a cookie or punishment if they are denied. Skinner saw no fundamental difference between verbal behavior, like asking for a cookie, and non-verbal actions, like reaching for one. Skinner's analysis of language suggests that all complex verbal behavior develops from simple beginnings and is then shaped into its more abstract forms, in the same way as any other behavior.
However, Skinner's view on language acquisition was challenged by the linguist Noam Chomsky, who introduced the idea of an innate language acquisition device (LAD) that humans are born with, suggesting that there is an inherent capacity for language learning. Current researchers generally believe that language learning is a combination of innate abilities and environmental influences, a view that combines elements from both Skinner and Chomsky's theories. Consequently, while Skinner's approaches were influential, they are now seen as part of a larger framework that includes biological and cognitive factors.
2. If 28% of the bases in a DNA strand are guanine, what percentage are thymine?
3. DNA replication is semi-conservative. What does this mean?
4. Match the DNA replication enzyme with Its correct function:
1.__ Helicase
2.__ primase
3.__ DNA polymerase
a. Adds new DNA nucleotides
B. Unwinds the DNA strand
C. Add an RNA primer to signal where replication should begin
Answer:
2) According to Erwin Chargaff's rule:
* Purine adenine is equimolar with pyrimidine thymine
* Purine guanine is equimolar with pyrimidine cytosine
i.e. A = T & G = C
So, If G = 28% then C = 28%
Total bases = 100%
A + T + G + C = 100%
2T + 2G = 100%
2T + 56% = 100%
2T = 100% - 56%
2T = 44%
T = 22%
Percentage of thymine = 22%
3) Watson and Crick proposed a scheme for DNA replication that suggest that the two stands of DNA would separate and act as template for the synthesis of complementary strands. After the completion of replication, each DNA molecule would have one parental and one newly synthesized strand. This scheme was termed as semi-conservative DNA replication.
4) 1. Helicase - B. Unwinds the DNA strand
2. Primase - C. Add an RNA primer to signal where replication should begin
3. DNA polymerase - A. Adds new DNA nucleotides
UL
Virus
1. Disease can be caused by viruses, bacteria,
fungi, parasites, or toxic chemicals. Which of these
diseases is the result of toxic chemicals?
O A. Polio
B. Impetigo
O c. Malaria
D. Emphysema
Which element is more metallic: cesium (Cs) or barium (Ba)?|
Answer:
Cesium
Explanation:
Answer:
Cesium (Cs) is more metallic.
Explanation:
Please give me brainliest.
Which animal is an ectotherm? eagle turtle whale kangaroo
Answer:
Turtles are ectotherms.
A scientific theory can be defined as a well-supported and widely accepted explanation of nature. According to this definition, which statement describes a scientific theory.
A) The Earth is older than 100,000 years.
B) Matter cannot be created or destroyed.
C) For every action, there is an equal and opposite reaction.
D) Natural selection is one of the mechanisms by which evolution occurs.
PLEASE HELP! I AM MARKING BRAINLIEST!
Answer:
I specifically think A is the answer ur looking for. I mean take real smarts to know that right ?
If individual III-3 married a woman who was heterozygous for dimples, what is the percent chance their children will have dimples?
A.) 0%
B.) 25%
C.) 75%
D.) 100%
Answer:
B 25 percent
Explanation:
right answer on edge 2021
Answer:c its c trust me
Explanation:
How are organisms in the domain Eukarya different from those in the domain
Archaea?
O A. Eukaryotes have one cell.
B. Eukaryotes have a cell wall.
O C. Eukaryotes have DNA.
D. Eukaryotes have organelles in membranes.
organisms in the domain Eukarya different from those in the domain Archaea are - D. Eukaryotes have organelles in membranes.
The Eukarya differ from the Archea and Bacteria. The eukarya domain has eukaryotic cells whereas the Archaea domain has prokaryotic cells.
Eukarya consist up of a "membrane-enclosed nucleus" and "other membrane-enclosed organelles".Cell wall present in all Archaea and some of the eukarya.DNA is the genetic material in all domains.Eukarya organisms can be unicellular or multicellularThus, organisms in the domain Eukarya are different from those in the domain Archaea are - D. Eukaryotes have organelles in membranes.
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Eukaryotes, found in the domain Eukarya, have a nucleus and other membrane-bound organelles whereas organisms in the domain Archaea do not. Archaea instead are prokaryotes with no nucleus or membrane-bound organelles.
Explanation:Organisms in the domain Eukarya are different from those in the domain Archaea in several ways, most notably in their cellular structure. The key distinguishing factor is that Eukaryotic cells, found in Eukarya, have a nucleus that contains their DNA and have other distinct membrane-bound organelles such as mitochondria and Golgi bodies. This is option D: Eukaryotes have organelles in membranes.
In contrast, organisms in the domain Archaea don't have these features. They are prokaryotes, meaning their cells do not contain a nucleus or other membrane-bound organelles. Their DNA is found in the cytoplasm rather than a membrane-bound nucleus.
It is also important to note that while some eukaryotes do have cell walls (like plants and fungi), not all eukaryotes do (animals, for instance). By contrast, all archaea have a cell wall, but it's made up of different material than the cell walls in Eukarya.
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why do ecosystems require continuous input of energy from the sun, and what is the process that converts the suns energy to chimical energy
Answer:
Ecosystems require continuous input of the sun's energy, to support the plant life, which feeds the herbivores of that community, and so on throughout the trophic levels. The process that converts the sun's energy to chemical energy is known as photosynthesis.
Explanation:
hope this helps!
You just read an article on the Endosymbiotic Theory. Based on what you read, what is the importance of the Endosymbiotic Theory? its asking for a paragraph pls help!!
Answer:
The endosymbiotic theory which is also sometimes referred to as symbiogenesis states that all the organelles of the eukaryotic cells are prokaryotic cells that tends to live in a much larger host. This theory is important because it does explains how the eukaryotic cells are able to obtain the needed nourishment that is believed to be replenished by the prokaryotic cells.
Explanation:
The endosymbiotic theory provides the foundational bases of the cellular biology field and it enables to understand the evolution of eukaryotic cells.
In a similar manner to the evolutionary theory, endosymbiotic biology is fundamental to understand the evolution of eukaryotic cells.The endosymbiotic theory states that eukaryotic cells evolved by a symbiotic (positive) relationship among a primitive eukaryotic cell and prokaryotic cells. Mitochondria and chloroplasts are organelles that evolved from this cooperation.This theory allows us to understand several features of mitochondria and chloroplasts:Both chloroplasts and mitochondria have their own genetic material (DNA).Chloroplasts and mitochondria have bacterial-like ribosomes, which are responsible for protein synthesis.
In conclusion, the endosymbiotic theory provides the foundational bases of the cellular biology field and it enables to understand the evolution of eukaryotic cells.
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Urgent!!!
Where is the majority of Earth's water found?
glaciers
oceans
ground
rivers and lakes
Answer:
Oceans would be your answer
Explanation:
That is where the majority of water found on Earth is
Answer:
Oceans
Explanation:
The ocean holds about 97 percent of the Earth's water; the remaining three percent is found in glaciers and ice, below the ground, in rivers and lakes.
why do sperm cells need energy?
Sperm cells need energy primarily to move towards and fertilize the egg. This energy is provided by ATP, produced by mitochondria densely packed in the sperm's midpiece. Sperm's functionality and survival depend on this energy, especially during the journey within the female reproductive tract.
Explanation:Sperm cells require energy for several reasons. As highly specialized cells, they are designed to travel a significant distance to reach and fertilize an egg. The midpiece of a sperm is densely packed with mitochondria, organelles known as the powerhouses of the cell, which produce adenosine triphosphate (ATP) — the energy currency of the cell. This energy is crucial for the motion of the sperm’s tail, a long flagellum, allowing it to propel itself forward effectively.
Considering that sperms are minuscule, and so many are produced daily, the speed at which they must move to reach the oocyte is comparable to a human walking briskly. This is a remarkable feat and demands vast amounts of ATP. Additionally, during capacitation, fluids in the female reproductive tract further prepare the sperm for fertilization, which also requires energy.
Help!!!! ASAP!!! Please!!
If we grow more green plants to we can get more solar energy, will no energy from the sun will be wasted???
Answer:
The suns energy will not be wasted because the suns energy is a resource that is infinite to us.
Based on the information of the graph , which regions population will change the least in the next 40 years?
A -Oceania
B -africa
C-United states
D-Europe
Answer:
D. Europe
Explanation:
is carbon atoms move between the atmosphere and organisms connecting earths biosphere and atmosphere true or false
What would be the complementary strand for the following template?
CTAGGAAGTTC
OCTAGGAAGTTC
O GATCCTTCAAG
O TCGAAGGCCT
O AGCTTCCTGGA
Answer:
GATCCTTCAAG
I believe
What is the main cause of an earthquake?
O force of gravity
O the shaking of the ground
stress caused by plate movement
waves that ripple from the epicenter
Answer:
stress caused by plate movement
Stress caused by plate movement is the main cause of an earthquake. So, the correct option is C.
What is an earthquake?A abrupt discharge of energy in the Earth's earth's crust that results in seismic waves causes an earthquake, which is the shaking of the planet's surface.
Sudden movement along Earth's fault lines causes earthquakes. The motion releases "elastic strain" energy that has been accumulated in the form of seismic waves, which travel through the Earth and cause the earth to tremble.
The primary cause of an earthquake is stress brought on by plate movement. Buildings, dams, etc. can sustain significant damage as a result of earthquakes. They might also bring about tsunamis, land slides, floods, and fatalities. A disturbance deep within the earth's crust is the reason behind it.
Therefore, the correct option is C.
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The diagram illustrates one method of genetic recombination.
A paternal and maternal gene cross-over.
Which method of genetic recombination is illustrated in the diagram?
a.)crossing over
B.)independent assortment
c.)fertilization
d.)tetrad formation
Answer:
A cross over
Explanation:
hope that helped
Answer:
A. crossing over
Explanation:
Which feature do prokaryotic and eukaryotic cells share?
A) nucleous
B) cytoplasm
C) Nuclear Membrane
D) Membrane-bound organelles
Explanation:
B) Cytoplasm
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What breaks down and provides the body with glucose?
When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose. The stomach and small intestines absorb the glucose and then release it into the bloodstream.
just FYI you can look up these answers in google
How are the different types of Spectra created?
Different types of spectra are created through processes like emission, absorption, and continuous radiation.
Different types of spectra are created based on how light or electromagnetic radiation interacts with matter:
Emission Spectra: Emission spectra are produced when atoms or molecules emit light as electrons transition from higher to lower energy levels. When an external energy source, such as heat or electricity, excites the electrons within an atom or molecule, they move to higher energy levels. As they return to their ground states, they release energy in the form of specific wavelengths of light. Each element or compound has a unique set of emission lines or spectral lines, allowing scientists to identify the composition of substances and their energy levels.
Absorption Spectra: Absorption spectra are generated when matter absorbs specific wavelengths of light from a continuous spectrum. When light passes through a medium, such as a gas or a liquid, atoms or molecules within that medium can absorb photons with energies that match the energy differences between their electron energy levels. As a result, dark lines or bands, known as absorption lines, appear in the spectrum where light has been absorbed. Absorption spectra help identify the elements or compounds present in a sample and provide information about their energy levels.
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Which of the following best describes Earth's orbital position in our solar system?
A. Outside of the gas giants
B. An inner planet
C. An outer planet
D. Outside of three smaller planets
Answer:B: the inner planet
Explanation:
Earth as an inner planet best describe Earth's orbital position in our solar system. (Option B)
Earth's orbital position in the Solar SystemEarth is the third planet from the sun after Mercury and Venus and orbits at an average distance of 93 million miles, meaning that it takes sunlight about eight minutes to arrive. As you move outward from the sun, the planets are spaced increasingly farther apart. Jupiter is about five times as far from the sun as earth, while Neptune is some thirty times farther.
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A cross between two pure parents for contrasting traits, e.g. tall and short , result in offspring trait are referred to as: (a) medium (b) short (c) hybrids (d) pure for both traits
Answer:
A. Medium
Explanation:
The offspring would get a mix of both of the traits.
What causes the change from day to night and vice versa?
OA.
The orbit of Earth around the sun.
OB.
The rotation of Earth on its axis.
OC. The orbit of the sun around Earth.
OD. The moon's rotation around Earth.
Answer:
its right
Explanation:
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