Answers
Related Questions
what is a light reaction ?
Answers
Answer:
the reaction of something, especially the iris of the eye, to different intensities of light.
hope it helps
Answer:
Well
A reaction which occurs as the first phase of photosynthesis, in which energy in the form of light is absorbed and converted to chemical energy in the form of ATP.
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Scientists found members of a plant species they did not recognize. They wanted to determine if the unknown species was related to one or more of four known species, A, B, C, and D. The relationship between species can be determined most accurately by comparing the results of gel electrophoresis of the DNA from different species. The chart below represents the results of gel electrophoresis of the DNA from the unknown plant species and the four known species.
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Complete question:
Scientists found members of a plant species they did not recognize. They wanted to determine if the unknown species was related to one or more of four known species – A, B, C, D. The relationship between species can be determined by comparing the results of gel electrophoresis of the DNA from different species. The chart below represents the results of gel electrophoresis of the DNA from the unknown plant species and the four known species.
Which two known plant species is the unknown plant species most closely related to?
Answer:
Species C is the most closely related, followed by species D.
Explanation:
Gel electrophoresis technique is used to separate different fragments of DNI, RNA, and other macromolecules or proteins, concerning their size/weight and charge.
Gel electrophoresis of DNI lets us visualize how many different fragments of the molecule are present in a sample and how they differ from each other. The presence of fragments of the same size will be distinguished as a line named band. Each band represents many DNI fragments of similar size placed in the same position. The result of the gel electrophoresis will be different bands in different positions according to their sizes. The biggest ones will not migrate in the gel as much as the smallest ones.
In the exposed example we can assume that the most closely related species is C. The second most similar is species D.
The gel electrophoresis of the DNA from the unknown plant species resulted in five different bands, which means five types of fragments of different sizes.
Four of the five bands expressed by the unknown species coincide with the bands of species C. Species C only lack one band to be exactly the same.Species D coincides in three bands and lack two bands to be exactly the same as the unknown species. Species A only coincides in one band. Species B does not coincide in any band, meaning that this is the most different oneFor a better understanding, look at the attached files, where you will find the chart.
Which type of junctions must there be between cells to form a barrier?
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Experimental Scenario
Donna has observed that her father can control the speed of their grandfather clock by adjusting the
height of the weight on the end of the pendulum. Donna thinks that the pendulum will move faster
when the weight is lowered, and wants to test her idea. Donna gets a stopwatch and measures the
time it takes for the pendulum to swing twenty times when the weight is moved to its lowest position.
Donna begins to move the pendulum up by 1 cm and continues to measure the time for twenty swings
of the pendulum. Donna records her data
SCI 1.4 Investigation Plan
1) Provide a brief description of the methods that are being used to run the experiment
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Answer:
Reduce the mass and measure the speed of pendulum.
Explanation:
First measure the swings of the pendulum at its original weight. After that some weight is removed from the pendulum and again measure the number of swing of pendulum at specific time period. We have to reduce mass of pendulum and then measure the number of swings. In this way, this experiment moves forward and we can find out the impact of mass on the speed of pendulum.
there is a decreased in the production of
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Answer:
Espero sirva mi respuesta
Explanation:
Suerte
whats sex? BTW i am 15
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Answer:
it is where two people who like each other do things. your 15 and dont know
Explanation:
What does Eubacteria mean?
A. True bacteria
B. Old bacteria
C. Safe bacteria
D. Ancient bacteria
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Answer:
It means "True bactria" --> A.
Answer:
A. True bacteria
Explanation:
Eubacteria means "True bacteria".
What is photosynthesis
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CARRYONLEARNING(◕ᴗ◕✿)
During the Second Industrial Revolution, which building material became one of the most important in the world?
brick
wood
stone
steel
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Amoebas make exact copies of themselves. Therefore, they reproduce
A. asexually buy the process of MEIOSIS
B. sexually by the process of MITOSIS
C. sexually by the process of MEIOSIS
D. asexually by the process of MITOSIS
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Answer:
D.
Explanation:
You can rule out B and C because offspring produced sexually are not identical to their parents. The amoebas reproduce by binary fission, which is a form of asexual mitosis.
Answer:
D. asexually by the process of MITOSIS
Explanation:
Mitosis is a form of asexual reproduction in simple living organisms. The outcome of each cell cycle is two identical cells. Mitotic checkpoints happen at certain stages of mitosis to ensure that each cell receives the same amount of DNA.
Explain spermatogenesis and oogenesis.
Answers
Answer:
yep, my explanation
Explanation:
you see, it is a very dirty cycle, when you have a dioploid cell, you have your typical duplication of sister chromotids, but producing sex cells or gametes which would become a zygote through dirty interactions come to form one dioploid cell and it will start doubling like the rest of the human body, until it comes out of the other human's body. meiosis, or the formation of gamates are created with a crossover where one diolpoid cell takes one half of the chromosome and the other half and exchange a tiny bit of it before splitting into 2 DIFFERENT gametes cells because of the cross-over and hence ther term natural selection
somebody pls help I’m not even sure how to answer but I think it’s between a and d
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Answer:
A
Explanation:
insulin and glucagon are produced in the;
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Glucagon is a peptide hormone, PRODUCED by alpha cells of the pancreas.
Insulin is a hormone made by an organ located behind the stomach called the pancreas. There are specialised areas within the pancreas called islets of Langerhans (the term insulin comes from the Latin insula that means island).
And Islet cells in the pancreas are responsible for releasing both insulin and glucagon.
Glucagon raises concentration of glucose and fatty acids in the bloodstream, and is considered to be the main catabolic hormone of the body.[3] It is also used as a medication to treat a number of health conditions. Its effect is opposite to that of insulin, which lowers extracellular glucose.[4] It is produced from proglucagon, encoded by the GCG gene.
Question 4 of 10
What percentage of the air is found in the bottom two layers of the Earth's
atmosphere?
A. 1%
B. 29%
C. 99%
D. 49%
SUBMIT
Need ASAP
Answers
Answer: 99%
Explanation:
The troposphere itself contains 99% of air.
In humans, brown eyes are dominant to
blue eyes. What is the probability
that two heterozygous brown-eyed
parents will have a child with blue
eyes?
J. 25%
K. 50%
L. 75%
M. 100%
Answers
Answer:
j
Explanation:
since brown eyes are more dominant than blue eyes chances of it is 3/4
Answer:
The answer is J. 25%.
Explanation:
In this problem, we know brown eyes are dominant to blue eyes. We can let the dominant allele for brown eyes be represented by "B" and the recessive allele for blue eyes be represented by "b". Since it is given that both parents are heterozygous, we know that they must have the genotype Bb.
When two Bb individuals are crossed, the offspring will be 1 BB : 2 Bb : 1 bb, or 3 brown : 1 blue ratio. Therefore, 1/4 of the offspring will have blue eyes, which represents 25%. Thus, the correct answer is choice J, 25%.
Hope this helps!
Each Taxonomy (category) gets less and less specific as they go further down the list.
A. True
B. False
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Answer:
B. False
Explanation:
The taxonomies get more specific as you move down the line. The current eight levels go like this:
Kingdom (most general)PhylumClassOrderFamily/SubfamilyTribe/SubtribeGenusSpecies (most specific)As you can see, the taxonomies get increasingly more specific as we go further down.
Which of the organisms shown does not eat another organism for food.
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Answer:
it's cockroach it carries it
Answer:
fungi
They don't eat each other
What would happen to aquatic organisms if solid water were denser than liquid water
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Answer:
If water in its solid form was denser than water in its liquid form, lakes and ponds would freeze solid to the bottom during winter, and no longer provide viable habitats.
what is the device used to observe cells ?
Answers
Answer:
Microscope
Explanation:
A microscope is an instrument that can be used to observe small objects, such as cells. The image of an object is magnified through at least one lens in the microscope.
Question
What is the device used to observe cells?
Answer
MicroscopesWhat is Microscopes?
Microscope is an instrumet or device that can be used to observe small object , even cells or smal organisms.#LearnwithBrainly
Why do Galapagos sharks lie still on the ocean floor?
O A. They are being social.
OB. Scientists still don't know why.
O C. They are sleeping.
OD. They are waiting for food.
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Answer:
Either B. or D.
Explanation:
I don't know for sure, these two answers just seem better than the others.
What are three benefits of vertical farming that provide an advantage over horizontal farming.
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Answer:
Minimise water usage
Weather doesn't affect the crops
There is less exposure to chemicals and disease
Explanation:
assume that cody used a weak magnet and the flake of cereal was not attracted to it what conclusion might he have drawn?
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Answer: he might have concluded that the flake of cereal was not magnetic
Explanation:
Human beings belong to .........
A. Kingdom Protista
B. Kingdom Fungi
C. Kingdom Plantae
D. Kingdom Animalia
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Answer: D. Kingdom Animal
Explanation: Among other animal characteristics, humans can move on their own, so they are placed in the animal kingdom. Further, humans belong to the animal phylum known as chordates, because we have a backbone. The human animal has hair and milk glands, so we are placed in the class of mammals.
Answer:
D. Kingdom Animalia
Explanation:
Human beings belong to kingdom Animalia. So, option (D) is correct.
Heat and light on Earth are unevenly distributed because they cannot receive heat and light equally in all parts of the earth.
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Answer:
True
Explanation:
The earth receives unequal amount of light energy and heat energy form the sun. There is variation in the solar energy at different parts of the world due to factors like atmospheric circulation as well as the distribution of the land and the sea.
The main factors which results in the unevenly distribution of the heat and light from the sun to the earth are :
length of the daythe angle of inclination of the rays of the sunearth's rotationconfiguration of the land patternstransparency of the atmosphereThe sun provides more light and heat at the equatorial regions than the polar regions.
please solve this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Answer:
cbca
Explanation:
Vaccinations help prepare the body to fight invasions of a specific pathogen by
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Answer:
2. Stimulating antibody production.
Explanation:
Protein synthesis involves (Hint...look at the diagram)
A. DNA creating mRNA which is used to make a polypeptide
B. the production of energy
C. the production of a gene and DNA
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Answer:
A. DNA creating mRNA which is used to make a polypeptide
Explanation:
Protein synthesis process involves the DNA creating mRNA, which is used to make a polypeptide.
Name & describe the six essential activities of the digestive tract.
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Answer:
Ingestion: Consuming something orally, whether it be food, drink, medicine, or other substance; the first step of digestion. bolus: a round mass of something, especially of chewed food in the mouth or alimentary canal.
Propulsion: Propulsion means to push forward or drive an object forward. A propulsion system is a machine that produces thrust to push an object forward. On airplanes, thrust is usually generated through some application of Newton's third law of action and reaction.
Mechanical Digestion: Mechanical digestion is a purely physical process that does not change the chemical nature of the food. Instead, it makes the food smaller to increase both surface area and mobility. It includes mastication, or chewing, as well as tongue movements that help break food into smaller bits and mix food with saliva.
Chemical Digestion: Chemical digestion involves the secretions of enzymes throughout your digestive tract. These enzymes break the chemical bonds that hold food particles together. This allows food to be broken down into small, digestible parts.
Absorption: Absorption is a condition in which something takes in another substance. The process of absorption means that a substance captures and transforms energy. The absorbent distributes the material it captures throughout whole and adsorbent only distributes it through the surface.
Defecation: Defecation is the term given for the act of expelling feces from the digestive tract via the anus.
Explanation:
Hope this helps <3
Which of the following best describes the role of scientific knowledge in society?
a.
Advances in scientific knowledge have predictable consequences.
b.
Advances in scientific knowledge can be beneficial to society if applied responsibly.
c.
Advances in scientific knowledge lead to few changes in society.
d.
Society is uninfluenced by advances in scientific knowledge.
Answers
Answer:
b
Explanation:
edg 2021
The role of scientific knowledge in society is that the advances in scientific knowledge can be beneficial to society if applied responsibly. Thus, the correct option will be B.
What is the role of Scientific knowledge?Scientific knowledge is referred to as a generalized body of laws and theories which are used to explain a phenomenon or a behavior of interest that are acquired by people using the scientific method and knowledge.
Laws are observed patterns of phenomenon or behaviors, while the scientific theories are systematic explanations of the underlying phenomenon or the behavior observed.
The role of scientific knowledge in society is that the advances in the scientific knowledge can be beneficial to the society as a whole if applied responsibly.
Therefore, the correct option will be B.
Learn more about Scientific knowledge here:
https://brainly.com/question/10601194
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Identify two processes that from igneous rocks
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Answer: Igneous rocks are formed by the melting and cooling of molten rock.
Explanation: Extrusive rocks are those that erupt as lava from volcanoes onto the surface. Intrusive rocks, on the other hand, are created when magma cools underneath.
hope this helps best of luck mate! :)