Answer:
A small cap of extra nucleotides is added to both ends of the RNA
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The statement 'exons are spliced together' is TRUE. The exons are the coding regions of genes.
RNA splicing is a eukaryotic mechanism by which non-coding sequences of genes called 'introns' are removed from the precursor messenger RNA (pre-mRNA), whereas protein-coding sequences called 'exons' are spliced together.These gene coding sequences (exons) are spliced together by a macromolecular complex known as the spliceosome.In consequence, a pre-mRNA is converted into a mature mRNA, which is subsequently used for protein synthesis.In conclusion, the statement 'exons are spliced together' is TRUE.
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Most chemical reactions within cells do not occur spontaneously. Instead, they need a catalyst to get them started. Why do you think this is so?
Answer:
A catalyst is a chemical involved in, but not changed by, a chemical reaction. Many enzymes function by lowering the activation energy of reactions. By bringing the reactants closer together, chemical bonds may be weakened and reactions will proceed faster than without the catalyst.
what does erythropoietin do
Answer:
Erythropoietin (EPO) is a hormone produced primarily by the kidneys, with small amounts made by the liver. EPO plays a key role in the production of red blood cells (RBCs), which carry oxygen from the lungs to the rest of the body. This test measures the amount of erythropoietin in the blood 2020
Explanation:
Condition present: EPO level
Polycythemia: Normal or low
Anemia: High
What prezygotic reproductive isolating mechanisms best explains why salamanders that mate in May do not successfully mate with salamanders that mate in July?
Answer:
If the inter breeding absent between the individual of different species due to some barrier or mechanism calles reproductive isolation.
A hypothesis is a plausible explanation for a particular fact, observation, or process. Write a hypothesis about how the various concentrations of acid will affect the amount of limestone that is dissolved from each jar.
The hypothesis will state as follows: IF the concentration of acid increases, THEN, the amount of limestone dissolved will also increase.
WHAT IS A HYPOTHESIS?
A hypothesis is a crucial part of the scientific method. It is a testable explanation of an observation or a proposed answer to a scientific question. A hypothesis, which must be testable via experimentation, can either be accepted or rejected depending on the outcome of the experiment. A hypothesis is an IF, THEN statement that must include the independent and dependent variables of the experiment i.e. it must show how the dependent variable (effect) is affected by the independent variable (cause).In this case regarding the dissolution of limestone with respect to different concentrations of acid, a possible hypothesis will state as follows:
"IF the concentration of acid increases, THEN, the amount of limestone dissolved will also increase".
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Answer:
The hypothesis will state as follows: IF the concentration of acid increases, THEN, the amount of limestone dissolved will also increase.
WHAT IS A HYPOTHESIS?
A hypothesis is a crucial part of the scientific method. It is a testable explanation of an observation or a proposed answer to a scientific question.
A hypothesis, which must be testable via experimentation, can either be accepted or rejected depending on the outcome of the experiment.
A hypothesis is an IF, THEN statement that must include the independent and dependent variables of the experiment i.e. it must show how the dependent variable (effect) is affected by the independent variable (cause).
In this case regarding the dissolution of limestone with respect to different concentrations of acid, a possible hypothesis will state as follows:
"IF the concentration of acid increases, THEN, the amount of limestone dissolved will also increase".
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Explanation:
credit - the guy above me
3 ways of transporting carbon dioxide in blood
Carbohydrates stored in the liver are in the form of starch.
True
False
Answer:
It is false. carbohydrates are stored in form of glycogen.
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True or false?
Where did abiogenesis take place
Answer: Hi, There! Your Answer is Below :)
as deep below Earth's surface
Explanation:
More Information below!
abiogenesis is the theory that life came from non living matter. Cell theory says that life comes from life or more correctly cells come from other cells. abiogenesis says that cell theory is wrong and that at some time in the distance past cells came into being by accidental random natural causes.
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~DarkSpirit~
The ear is on the blank surface of the head
Answer:
The ear is on the blank surface of the head is the most superier
Explanation:
Which approach is most directly concerned with assessing the relative contributions of heredity and experience to personality development?
a. biological
b. cognitive
c. biopsychosocial
d. psychodynamic
The biopsychosocial approach is most directly concerned with assessing the relative contributions of heredity and experience to personality development (Option C)
The Biopsychosocial Approach is an interdisciplinary model which was first developed by George Engel and Jon Romano (1977).The biopsychosocial approach is a type of model that recognizes biological (inheritance), psychological, and social (environmental) factors as well as the interactions among these factors to understand the health and illness state of an individual.Social factors include economical, environmental, and cultural factors (e.g. work concerns and family issues).Biological factors include both genetic and biochemical factors.According to this approach, both mind and body determine the health of the subject.Learn more in:
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I need help really badly
Answer: esay
Explanation:
multiply
Is this a good problem/observation?
Which statement about human population growth is FALSE?
a) From 1350 AD to the present, the world has experienced continuous population growth.
b) From 200,000 BC through 8,000 BC, the global population was low.
c) The global population is expected to peak at 7 billion, then begin decreasing.
d) The world population doubled between 1959 and 1999.
Which statement about human population growth is FALSE?
Choose: c) The global population is expected to peak at 7 billion, then begin decreasing.
The false statement is: The global population is expected to peak at 7 billion, then begin decreasing.
What is meant by population growth?
Population growth is the increase in the number of humans on Earth. For most of human history, our population size was relatively stable. But with innovation and industrialization, energy, food, water, and medical care became more available and reliable.
Was there population growth in 2020?Population gains attributable to natural increase rose as high as 1.1 million in 2016-17, but dropped to 677,000 in 2019-20 and then again to 148,000 in 2020-21.
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where y chromosomes go if all children are female
Answer:
All males have a Y chromosome, and females do not
When glycogen is formed from monosaccharides, it occurs by a process called hydrolysis.
True
False
Answer:
yes its true. it occurs by a process called hydrolysis
The formation of glycogen from monosaccharides happens through the process of dehydration. So the statement is false.
What is the process of glycogen formation?
The process of formation of glycogen is called glycogenesis. Glycogen is the storage form of glucose, a primary carbohydrate in the liver and the muscle cells of animals
The process of Glycogenesis happens when the levels of glucose in the blood are high enough to allow the excess glucose to be stored.
The process of glycogenesis is stimulated by the insulin hormone. It helps the muscle cells to uptake glucose into themselves. Insulin is not required for the transport of glucose into the liver cells.
However, insulin has very important effects on the metabolism of glucose inside the liver cells. Insulates stimulates the process of glycogenesis and inhibit the process of glycogenolysis, which is the breakdown of glycogen into glucose.
Therefore the statement is false.
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Why are conservation groups pushing for worldwide restrictions on whaling
Answer:
Why are conservation groups pushing for world-wide restrictions on whaling? Unrestricted whaling could lead to their extinction. A population of bacteria is treated with an antibiotic.
Explanation:
Why do you blink
This is what it looks like when you blink with your eyes and mouth
LOL
Ans我们每一个人都在不断地眨眼，正常人每分钟要眨眼10～20次，每次眨眼的时间约0.2～0.4秒
除去睡眠时间，一个人一天要眨眼1万次左右，人体中最忙碌的算是提睑肌了
每次眨眼间隔时间仅4～5秒钟wer:
lanation:
do you think that giving a person oxygen would be effective treatment ? answer right now
Answer:
It depends on the case, there is not enough information given to fully answer this question do to not knowing the patients symptoms and our what they have, but if the question is asking will giving oxygen to sustain the patients airflow and they have an open airway, then yes it would be an effective help but not full treatment.
Explanation:
Yes
The process by which plants produce food is known as photosynthesis. This process requires sunlight, carbon dioxide, chlorophyll and ……………..
A) Sodium B) Potassium C) Water D) Oxygen
Answer:
Option C. Water is the correct choice here.
Explanation:
Photosynthesis is the change of water and CO2 to glucose in the presence of chlorophyll and sunlight.
can someone explain what the mitochondria does to APT and how it produces energy, I need it for my notes.
Answer:
Mitochondria produce energy through the process of cellular respiration. Respiration is another word for breathing. The mitochondria take food molecules in the form of carbohydrates and combine them with oxygen to produce the ATP. They use proteins called enzymes to produce the correct chemical reaction.
Explanation:
Hope it helps.. if yes, plz mark me as brainliest :)
NEED ASAP
James wanted to investigate how weathering, erosion and deposition
changed the surface features on Earth.
What model would best
demonstrate these processes?
a)stream table
b)shake table
c)globe
d)rock cycle diagram
d rock cycle diagram because all of the above is related to rocks
A well designed experiment includes an experimental group and a control group.
True or false
Answer:
True
Explanation:
A good experiment needs the control group to see what the base is and an experimental group to be tested.
hope this helps. . . <3
Digestion is ________. Group of answer choices Only mechanical Neither mechanical nor chemical Both mechanical and chemical Only chemical
What is found in the cryosphere?
O A. Mostly seawater from Earth's oceans
O B. Most of Earth's freshwater
O C. Only frozen water at the polar caps
D. Only frozen soil known as permafrost
At Geometry Inc. Susy works 8 hours and gets paid $96. How much would Tony get pay if
he works 12 hours?
Ricky recently moved from a quiet rural area into a more chaotic urban location for work. He has been struggling to sleep due to the loud noise of police sirens at night, but has noticed that the sirens have been disturbing his sleep less as he gets used to the noise. Which of the following terms best describes what Ricky is experiencing?
a. Sensitization
b. Habituation
c. Operant conditioning
d. Extinction
Answer:
吧b
Explanation:
Ricky has been struggling to sleep due to the loud noise of police sirens at night, but has noticed that the sirens have been disturbing his sleep less as he gets used to the noise. Ricky is experiencing habituation.
What is habituation?habituation is a type of response where complete elimination of a particular response or zero frequency of occurrence occur.
If the stimulus continues for an additional number of trials, although no changes occur but the response will exhibit lower levels of recovery.
Habituation is a non-associative learning in which an automatic decrease in the intensity of a response occur which is repetitive, weak stimulus, without serious consequences, for example, ignoring stimuli
Habituation defines as the fading of the response over the course of monotonous stimulation, and sensitization refers to processes of increased response.
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Chemosynthesis is the main source of
energy capture
A. where light energy is not available.
B. in oxygen-rich environments.
C. when water has a pH of 7.
Answer: the answer would be a
Explanation: because I had the same question too on acellus and got a right
Photosynthesis makes use of light energy while chemosynthesis is the main source of energy capture where light energy is not available.
What is photosynthesis?It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy through the process of cellular respiration.
Some of the energy which is converted is stored in molecules of carbohydrates like sugar and starches which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.
The process begins with proteins absorbing light energy which are called reaction centers and contain a green pigment which is called chlorophyll . In plants ,these pigments are present inside organelles called chloroplasts while in bacteria they are present in plasma membrane.
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Group of cells make:
Group of tissues make:
Group of organs make:
Answer:
Group of cells make: A tissue
Group of tissues make: An organ
Group of organs make: Organism
Answer:
group of cells make tissue
group of tissues make organs
group of organs make organism
Explanation:
hope this helps
Do you think a charger would be a good example for mitochondria?
Answer:
not really because mitochondria break down and convert material into energy. a charger just resembles pulling energy from a bigger source.
Complete the sentence. Members of _________ formulate policy in committees and subcommittees to address environmental needs.
the courts
Congress
interest groups
the presidency
Answer:
The answer is Congress
Explanation:
I took the quiz and got it right.
Answer: B
Explanation:
