The mRNA strand is complementary to the DNA template strand; however, uracil instead of thymine is paired with adenine.
How, explain briefly?Protein synthesis which encompasses how gene is used to synthesize proteins consists of two processes namely; transcription and translation.
- Transcription is the process whereby the sequence of a DNA template is used to synthesize a mRNA strand. The mRNA sequence is synthesized using the COMPLEMENTARY BASE PAIRING RULE, which states that Adenine base (A) will always hydrogen pair with Thymine (T) while Guanine (G) will always pair with Cytosine (C).
Thus,This means that the mRNA strand produced is complementary to the DNA template strand that was transcribed. However, Uracil base (U) replaces thymine (T) in the mRNA molecule because Thymine is not found in RNA. Hence, Uracil instead of Thymine pairs with Adenine in the mRNA.
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what happens when a cold front replaces a warm front
Answer:
When a cold front overtakes a warm front, it creates what's called an occluded front that forces warm air above a frontal boundary of cooler air masses.
Please help i'm stuck on this and it's due soon, questions are in the images, will give brainliest!
(the images go with part A and B)
Part A :
In a wooded area in North Carolina, two teenagers discovered an abandoned pistol and a few other items that led them to call 911. Crime scene personnel and investigators processed the scene and found human remains along with other items. They then photographed all the evidence at the crime scene. Analyze the photographs of the skeletal remains and other items and determine the gender and age of the victim.
Part B: Examine visible trauma marks and other evidence found at the crime scene and make a preliminary hypothesis on the cause and manner of death.
Part C:Research four databases and describe how these databases would help you investigate this case.
From the photographs presented, investigation reveals that the gender and age of the victim are:
Age: Elderly, at least 40 years old;Gender; Female. This is clear from the hip and the shoe type discovered as the scene.What is the preliminary hypothesis on the cause and manner of death?The hypothesis or cause of death is a gun shot to the head. This is evidenced by the exhibit 23 - a bullet shell and the hole in the skull of the victim.
The databases that can help with these kind of investigations are:
The Crime DatabaseThe Police Database.Learn more about investigations at:
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Which of the following is a scientific observation about the bird pictured
below?
Scarlet ibis
A. The pink feathers are especially beautiful.
B.The long beak helps the bird eat insects.
C.The scarlet ibis is the national bird of Trinidad.
D. The bird's features are red.
Answer:
B. the long beak helps the bird eat insects.
Where are some places where carbon is found?
Answer:
rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms.
Explanation:
carbo is found in these places for example:
Which of the following is a severe weather consequence that results in crop reduction from lack of precipitation? (4 points)
Drought
Tornadoes
Mold
Floods
The consequence of lack of precipitation is drought.
What is drought?Drought refers to the lack of or inadequate precipitation in an area.
When there is drought, crops suffer from inadequate water. Inadequate water will impair important growth and reproductive processes in plants, resulting in crop failure.
Without adequate water, plants cannot photosynthesize, divide mitotically or meiotically, and the required nutrients for growth become unavailable in the soil.
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How long can the nerve cell in your leg get?
Answer:
1 meter
Explanation:
i am 99% sure that it is 1 meter
Explanation:
Help please . when and where would you expect to find the highest rate of primary productivity?
o a. in the temperate regions during the summer months
o b. in the polar regions during the summer months
c. in the polar regions during the fall
o d. in the tropics during the fall
Expected to find the highest rate of primary productivity in the tropics during autumn
In which ecosystems is primary productivity highest?The more sunlight the system receives, the greater the productivity. Thus, in tropical regions — where there is more sunlight and temperatures are higher throughout the year — productivity is higher than in places with a
temperatecold or polar climate.With this information, we can conclude that Expected to find the highest rate of primary productivity in the tropics during autumn
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What is a scientific definition for an evolution a b c or d
Answer:
Don't know the answer but here is the definition
Explanation:
Evolution is the change in the inherited traits of a population through successive generations.
Which of the following could result in the extinction of a species?
Increased population size will result in the extinction of a species of organisms.
What is Extinction?This is defined as the dying out or disappearance of species as a result of various factors.
When population size increases, it leads to unavailability of food and reduction of species due to starvation and death.
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Which routine is best suited for muscular endurance?.
Identify at least one environmental, economic, social, and political issue for population growth(human)
Answer:
Overpopulation is associated with negative environmental and economic outcomes ranging from the impacts of over-farming, deforestation, and water pollution to eutrophication and global warming.
Explanation:
These are some environmental problems, due to human population growth.
How much faster does sound travel through water than through air?
a/two times faster
b/five times faster
c/four times faster
Answer:
c/ four times
Explanation:
the sound wave travels over four times faster than it would in air
Answer:
four
Explanation:
What is the first step of the scientific method?
A. Hypotheses
B. Control
C. Question
Answer:
C. Question
Explanation:
The carbon cycle involves an exchange of carbon between _______.
a.
the geosphere and atmosphere
b.
the atmosphere and hydrosphere
c.
the geosphere and hydrosphere
d.
the geosphere, hydrosphere, and atmosphere
Answer:
D
Explanation:
3. What drives the ATP synthase reactions that produce ATP?
A the redox reaction that changes NADH to NAD*
B the formation of water at the end of the electron transport chain
C the energized electrons from the electron transport chain
D the hydrogen ion concentration gradient across the membrane
Answer:
D the hydrogen ion concentration gradient across the membrane
Explanation:
gradient created by this drives hydrogen back through the membrane, through ATP synthase
Hydrogen ions flow down a concentration gradient from the thylakoid space to the stroma through ATP synthase, releasing energy that can be used to produce ATP from ADP + Pi
ATP synthase is a mitochondrial enzyme localized in the inner membrane, where it catalyzes the synthesis of ATP from ADP and phosphate, driven by a flux of protons across a gradient generated by electron transfer from the proton chemically positive to the negative side.
At the electron transport chain, hydrogen is built up on one side of the electron transport chain and the electrons which are their way down the chain are building up on the other side. The electrons and hydrogen are attracted to each other due to their charges. These for the hydrogen flows though the gradient in the membrane to reach the elections. Once the hydrogens pass though this gradient it produces the ATP from the hydrogen
Once the hydrogens pass though this gradient it produces the ATP from the hydrogen “turning” the protein. At the end the oxygen is placed at the bottom of the electron transport chain to accept the hydrogen which makes water
quizlet
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Explain how blood type contributes to your identity.
Answer:
Each biological parent gives one of their two ABO alleles to their child. For example, a father who has blood type AB has the genotype AB, so he can give either an A or a B allele to a child of his. If the mother has blood type O, her genotype must be OO, and she can only give an O allele to a child.
Type AB blood
Type O blood
Type A blood
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Question 12 of 30 Which of the following best describes the goal of technology? A. To apply scientific knowledge to ethical decision making B. To use scientific knowledge to solve problems or to make tasks easier C. To make more industrial jobs D. To improve the economy
Changes in environmental conditions always result in new ecosystems and loss of biodiversity characterized by an increase in the number of some species, the evolution of new species, and the extinction of some species.
Changes to the environmental conditions can indeed result in new ecosystems and a change in the species equilibrium.
Ecosystem disruptionThe abiotic conditions of an ecosystem determine the kind of species that will inhabit the ecosystem
A change to the abiotic or environmental conditions will likely result in a new ecosystem entirely. Organisms that are able to adapt to the changes will gradually fade off the ecosystem while those that are able to withstand the changes will proliferate and dominate the populations of organisms in the ecosystem.
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how do bacteria cause disease?
How is a postindustrial society likely to address the problem of a shortage of
fossil fuels?
A. By developing and using solar energy technologies
B. By creating more-efficient methods of food preservation
C. By cutting down forests to produce more cropland
D. By having power plants switch from burning coal to burning oil
A post-industrial society is likely to address the problem of a shortage of
fossil fuels A. By developing and using solar energy technologies. Thus, option "A" is correct.
What are fossil fuels?Fossil fuels are non-renewable. Hydrogen is not a fuel. It is a way of storing or transporting energy. Distribution and infrastructure need to be refurbished to cope with hydrogen, which can metal by making them brittle.
Thus, option "A" is correct.
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Which part of the nervous system is the first to respond when Joshue feels a raindrop fall on his arm?
Answer:
The right answer is the sensory neuron.
Explanation:
The sensory neuron, or sensory neuron, is a neuron located in a sensory ganglion that plays a role in the perception of a stimulus. Sensory neurons are often referred to as "afferent fibers". For example, a sensory neuron can be used for the perception of heat, or contact with an object.
When the influenza virus enters into an epithelial cell within the respiratory tract, the infected cell responds by
When the influenza virus enters an epithelial cell, the infected cell responds by posting antigens and acting as a flag for cytotoxic T cells.
What is the cell-mediated response?The cell-mediated response is a type of immune response where the organism is able to respond to pathogens by immune cells.
Macrophages (as well as other immune cells ) can act during cell-mediated immune responses.
In conclusion, when the influenza virus enters an epithelial cell, the infected cell responds by posting antigens and acting as a flag for cytotoxic T cells.
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e
00
O
O
O
D
00
O
A
B
Which of the following states why one of the models is better for moving
more nutrients in and out of the cell?
A. B is better because it has more surface area.
B. B is better because it has more volume.
C. A is better because it has more volume.
D. A is better because it has less surface area.
Answer:
A
Explanation:
........................
I need a better understanding
on what so that I can actually help u to answer it fast
2. why is returning by-catch to the sea not always useful as it might appear?
Returning by-catch to the sea is not always useful as the sudden change in pressure will result in damage to internal organs of fishes.
What is by-catch?By-catch refers to other sea animals which are caught along with the intended catch in a fishing expedition.
In some instances some people tend to return by-catch to the sea.
However, this is not always useful as the pressure above sea level or on the sea surface is less than that in the depths of the sea.
A sudden change in pressure will result in damage to internal organs of fishes.
Therefore, returning by-catch to the sea not always useful as it might appear.
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7. Which is an example of a gliding joint?
O elbow
O shoulder
O vertebrae
O skull
Answer:
the shoulder
Explanation:
because that is a gliding joint
Answer:
elbow
Explanation:
A gliding joint is a joint formed between the bones which meet at a flat or articular surface.
An example of a gliding joint is the elbow.
What is a chromosome?
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Explanation:
Chromosomes are thread-like structures in which DNA is tightly packaged within the nucleus. DNA is coiled around proteins called histones, which provide the structural support. Chromosomes help ensure that DNA is replicated and distributed appropriately during cell division.
Answer: A chromosome is a thread-like structure made up of DNA. Chromosomes are found in the nucleus of each cell
or just DNA makes up a chromosome
Explanation:
hope this help
Be able to explain how different “links' ' can show a relation between two species. Explain what evidence shows different correlations and causations between the two species.
Links can show ecological relationships between two species such as parasitism, commensalism or predation.
What are ecological links between species?The ecological links or relationships between species can be defined as biological interactions between them.
Moreover, correlation in biology indicates a statistical association while causation indicates a modification in a variable that leads to a modification in another.
In conclusion, links can show ecological relationships between two species such as parasitism, commensalism or predation.
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How Is The Fruit Like A Dichotomous Key?
Answer:
apple tree, water-lily, fir tree, dandelion, astroturf, seaweed. Dichotomous keys may be simple or complex depending on what is being identified.
Explanation:
As the pond gets older, the number of plants increases. When they die,
they fall to the bottom of the pond, rot, and become mud. After a very
long time, what do you think will happen to the pond?
A.There will be more water
B.There will be less water
C.There amount of water will stay the same
Obviously C
The water would stay the same the rotten plants would sink and eventually disappear, the water will not increase or decrease