WILL GIVE BRAINLIEST !! (question from ED20)
In this lab, you will explore the microscopic process of building proteins from RNA. Instead of working with variables, you will focus on the steps of that process. What investigative question will you answer by exploring this process? Write your question below.
Answers
Answer:
What steps occur inside the cell to build proteins?
Explanation:
Hope this helped
RNA is the single-stranded molecule that determines the sequence of amino acids to build up the polypeptides. Transcription and translation are the two processes through which the DNA will convert into the sequence of amino acids.
In the lab, the steps of processes are being focused on. The investigatory questions of the experiments include:
How are the proteins formed using the information given by the RNA molecule?How are the processes of central dogma, transcription, and translation are involved in the formation of protein?What are the steps involved in the building up of proteins within a cell?Thus, the investigatory question in a laboratory experiment generally starts with 'how' and 'what.'
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Related Questions
Blood vessels cover approximately ________% of the alveolar surface.
A. 80-90
B. 10-20
C. 90
D. < 10
E. 50
Answers
Blood vessels cover approximately 80-90% of the alveolar surface. The alveoli are tiny air sacs in the lungs where oxygen and carbon dioxide exchange takes place.
The walls of the alveoli are thin and are surrounded by a dense network of capillaries, which allow for efficient gas exchange between the lungs and the bloodstream. This close proximity of the alveoli and capillaries enables the transfer of oxygen from the air to the bloodstream and the removal of carbon dioxide from the bloodstream to the air. Therefore, the high percentage of blood vessels covering the alveolar surface is essential for efficient gas exchange and proper lung function.
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Electrophysiological cell-recording studies have indicated that the _______ may be especially important in the control of internally guided motor sequences, whereas the _______ may be especially important in the control of externally guided motor sequences. A. supplementary motor cortex; premotor cortex B. premotor cortex; supplementary motor cortex C. cerebellum; basal ganglia D. basal ganglia; cerebellum
Answers
Answer:
A. supplementary motor cortex; premotor cortex
Explanation:
The supplementary motor cortex, also known as the supplementary motor area (SMA), is an area of the cerebral cortex located anterior to the premotor cortex. This area (SMA) is involved in the execution of complex and rapid sequential movements (e.g., typing). Moreover, the premotor cortex is an area of the motor cortex located between the primary motor cortex and the prefrontal cortex. This area (premotor cortex) is activated during motor tasks including, among others, spatial and sensory guidance of movement.
If you are going to allow a population of mice to randomly mate for 5 generations and you want to limit inbreeding to a maximum of 14.678481% after generation 5 (assuming you started with zero inbreeding), how many males do you need if you have 20 females?
a) 5
b) 10
c) 50
d) 2
e) 8
Answers
The answer is (b) 10. To limit inbreeding to a maximum of 14.678481% after 5 generations, we need to calculate the expected amount of inbreeding in each generation and then adjust the number of males to add to the population accordingly.
The expected amount of inbreeding in each generation can be calculated using the formula:
Expected inbreeding = (1 - (1/2)^(generation/2)) * (1 - (1/2)^(generation/2)^2) * ... * (1 - (1/2)^(generation/2)^(14))
Substituting the value of generation=5 gives:
Expected inbreeding = (1 - (1/2)^5) * (1 - (1/2)^5)^2 * ... * (1 - (1/2)^5)^(14)
= 0.81924005762932
The maximum amount of inbreeding allowed is 14.678481%. Substituting this value gives:
Maximum inbreeding = 14.678481 / 0.81924005762932
= 17.5937535396166
Therefore, to limit inbreeding to a maximum of 14.678481% after 5 generations, we need to add at least 17.5937535396166 males to the population.
Solving for the number of males needed if we have 20 females, we get:
17.5937535396166 = (20 * 1 - 14.678481) / 20
= 3.45344278981875
Rounding to the nearest whole number, we get:
The number of males needed is 3.
Therefore, the answer is (b) 10.
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what are two instances when it is desirable to conduct a case-control study (rather than using some other study design)?
Answers
Case-control studies are observational studies used to identify and assess the potential cause and effect relationship between an exposure and an outcome.
They are conducted to determine the risk factors associated with a particular disease. They are most useful in situations when the disease or outcome of interest is rare.
Here are two instances when it is desirable to conduct a case-control study:
1. Rare disease: Case-control studies are ideal for studying rare diseases or outcomes. Since the disease is rare, it is difficult to recruit sufficient participants, and it takes a long time to follow them up. In a case-control study, it is easy to identify all the cases since they are already sick, which reduces the sample size, and they are inexpensive. This means that the study can be conducted within a short time frame.
2. Studying many risk factors: Case-control studies are also suitable for studying many risk factors for a particular outcome. They are effective in identifying a wide range of risk factors that are related to the disease outcome. Researchers can collect information about the possible risk factors, and participants can be classified according to whether or not they have been exposed to the risk factor. In summary, case-control studies are useful when studying rare diseases or outcomes and when studying many risk factors.
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Science has all the facts. true or false
Answers
Answer: false
Explanation:
A defensive soccer player is having trouble reacting quickly to the movements of the opposing player. How can the soccer player adjust her base of support to improve her reaction time?
Answers
Answer:
decrease the base of support and centralize her line of gravity
Explanation:
A wider base of support leads to an unsteady gait. The base of support is the contact between the feet of the soccer player and the surface (the field) supporting him. The root cause of the player's inability to react quickly to the movements of the opposing player is a lack of balance.
Balance is the ability of an individual to sustain the line of gravity which runs the center of gravity. For the player to regain his balance, she needs to decrease the base of support and centralize her line of gravity, so as to maintain balance.
Acell with a 90% water concentration is placed in a beaker with an 85% water
concentration. What will happen to the cell over time?
Answers
Answer:
The cell will lose H2O and shrink
Explanation:
This is because the water will move out of the cell, also meaning that it is hypertonic.
Think about the concept of evolution.
Would you say this is a hypothesis or a theory? Think about the difference between a theory and a hypothesis and try to apply it to the concept of evolution.
Definitions:
In science, a theory is more like a scientific law than a hypothesis. A theory explains a set of observations or events. It must be verified multiple times by many different scientists. One scientist cannot create a theory on his or her own.
A hypothesis is an educated guess based upon observation. It is an explanation of a single event based upon what is observed. A hypothesis has not been proved but can be supported by experimentation.
Answers
its for the first onehypothesis
h
Concept of evolution is a theory.
It is a scientifically accepted explanation of the facts that life and many forms has changed over year.What is evolution?Evolution is a the change in the characteristics of a species over several generation and relies on the process of natural selection.
What is natural selection?
It is the process through which a population of a organism adapt to changing environment and pass its gene to the next generation.
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It is possible to have a zero displacement but non zero distance travelled why?
Answers
Yes, it's possible if to have a zero displacement but non zero distance travelled an object moves in a closed loop or circular path, ending up at its starting point.
It is possible to have a zero displacement but a non-zero distance traveled. This can occur when an object moves in a closed loop or a circular path, ending up at its starting point. Displacement refers to the change in position of an object from its initial to final position, considering only the straight-line path between the two points. However, distance traveled measures the total length of the actual path taken by the object, regardless of direction. In the case of a closed loop or circular motion, the displacement is zero because the object returns to its original position, but the distance traveled is non-zero as it covers the entire circumference of the loop or circle.For more such questions on Displacement:
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3) How far did the ice sheets flow southward during the last
ice age?
15 points nd brainly
Answers
Covered an area of more than 13,000,000 square km 5,000,000 square miles.
hope this helped
Explain how dna methylation and the formation of a dna loop control the expression of lgf2 gene in mamals. How is this gene imprinted so that only the paternal copy is expressed in offspring?
Answers
DNA methylation control the expression of lgf2 gene in mammals and the insulin-like increase component 2 gene IGf2 encodes an crucial increase factor and is imprinted in diverse mammalian species.
DNA methylation regulates gene expression by recruiting proteins involved in gene repression or by means of inhibiting the binding of transcription element to DNA. throughout improvement, the sample of DNA methylation within the genome changes due to a dynamic procedure concerning both de novo DNA methylation and demethylation.
Methylation blocks the promoter website at which transcription factors bind to, preventing gene expression. changes to DNA methylation patterns play a first-rate position inside the onset of most cancers.
Methylation seems to influence gene expression by affecting the interactions with DNA of each chromatin proteins and specific transcription factors. even though methylation styles are very strong in somatic cells, the early embryo is big changes in DNA amendment.
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for fun
if you had to choose what animal would you be^-^
Answers
Answer:
Husky. Why not?
Explanation:
What part of the microscope is used to move an objective lens into place?
Answers
Answer:
The ocular micrometer has no units. Revolving Nose Piece - Several objective lenses of varying magnification and numerical aperture are mounted on the revolving nosepiece. The nosepiece must click into place for the objective lens to be in proper alignment.
an agricultural biologist was evaluating two newly developed varieties of wheat as potential crops. in an experiment, seedlings were germinated on moist paper towels at 20c for 48 hours. oxygen consumption of the two day old seedlings was measured at different temeratures
Answers
Indirect metabolic rate measurements are made using oxygen uptake and carbon dioxide production. This works because food is metabolized by cells while they produce energy, water, and carbon dioxide through cellular respiration.
It was discovered that increasing temperature generally increased the rate of oxygen consumption and ammonia excretion. From 0.97 mg O2/g/hr at 30 degrees C to 2.2 mg O2/g/hr at 35 degrees C, it was discovered that oxygen consumption increased. The absolute O2 concentration and, consequently, the output of the O2 sensor, are temperature-dependent, just like barometric pressure. If the temperature correction is not used for relative measurements, the relative O2 concentration fluctuates while remaining constant at 20.95%.
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What is the primary function of the Cell Wall?
1.Take in carbon dioxide
2.builds proteins
3.to protect and provide support for the cell
4.convert solar energy to chemical change
Answers
1. What is the difference between Environmental Science and Environmental Engineering?
2. Why do we need to understand Environmental Science before studying Environmental Engineering?
3. Summarize and make a process flow diagram describing the Biogeochemical Cycles for the following: 4. Water Cycle, Carbon Cycle, Nitrogen Cycle, Sulfur Cycle, Phosphorus Cycle.
5. Explain how human beings are altering these biogeochemical cycles.
6. Define sustainability. How can you contribute to sustainable development with your awareness on the environment?
Answers
The difference between Environmental Science and Environmental Engineering: Environmental Science and Environmental Engineering are closely related disciplines with different focuses.
Environmental Science studies the natural environment and its interactions with living organisms, including humans. It is a field that is broad and interdisciplinary, geology, and physics. In contrast, Environmental Engineering is a more specialized field that focuses on the application of engineering principles to environmental problems.
The reason why we need to understand Environmental Science before studying Environmental Engineering: Environmental Engineering builds on the principles of Environmental Science and requires an understanding of the natural environment and the ways in which human activities impact it.
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if one were to attempt gene therapy, would a recombinant form of the insulin gene be needed?
Answers
If one were to attempt gene therapy, a recombinant form of insulin gene will not be needed.
In the field of science, gene therapy can be described as replacing a faulty gene with a new gene.
A recombinant form of insulin will not be needed for gene therapy because the insulin gene regulatory region will allow the expression of the insulin gene in the pancreas. If insulin were to be produced by any other cells of the body, then the insulin gene regulatory region for that cell of the body will be required.
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Estelle wants to find out which plants are most abundant in her yard. Which kind of scientific investigation should she use
Answers
Answer:
The answer is "a field study"
Explanation:
A scientific investigation is a finding process through which scientist makes observations on the world and things in it and looking for possible answers through research and the other scientific process.
A field study is a type of scientific Investigation where findings are carried out on the subject to be investigated while in their natural environment outside the laboratory. The most important thing is the subject to be investigated is not changed from its natural settings and data are collected directly.
which one of the types of proteins interacts directly with a stop codon?
Answers
Release factor types of proteins interacts directly with a stop codon.
A release factor is a protein that allows for the termination of translation by recognizing the termination codon or stop codon in an mRNA sequence. They are named so because they release new peptides from the ribosome.
A stop codon (also known as a termination codon) is a codon (nucleotide triplet within messenger RNA) that indicates the end of the current protein's translation process in molecular biology, more specifically in protein biosynthesis. A stop codon signals the end of this process by binding release factors, which cause the ribosomal subunits to dissociate and release the amino acid chain. The majority of messenger RNA codons correspond to the addition of an amino acid to a growing polypeptide chain, which may eventually become a protein.
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Which one of the following types of proteins interacts directly with a stop codon?
transcription factor
release factor
elongation factor
initiation factor
sigma factor
The nucleus includes all of the following structures EXCEPT
a
cytoplasm.
b
a nuclear envelope.
c
DNA.
d
a nucleolus.
Answers
Answer:
A. Cytoplasm
Explanation:
Cytoplasm is outside of the organelles, and is the jelly-like substance that holds all of the organelles and cell parts in place.
So, cytoplasm is not within the nucleus, because it is outside of the organelles, such as the nucleus.
On the other hand, the nuclear envelope, DNA, and nucleolus are all in the nucleus.
The nucleus includes all of the following structures except cytoplasm.
Thus, Cytoplasm is the name for the liquid that makes up cells. It includes additional organelles suspended in the cytosol along with filaments, ions, proteins, and macromolecular structures.
However, recent findings imply that the conventional notion of cytoplasm is no longer accurate. It was thought to be a fluid-like substance decades ago, but current research shows that it is more like liquids that create glass.
With the exception of the nucleus, the cytoplasm of eukaryotic cells is associated with the contents of the cell. Prokaryotic cells, however, lack a distinct nuclear membrane and instead store their genetic material in their cytoplasm.
Thus, The nucleus includes all of the following structures except cytoplasm.
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What system contains transitional epithelium?
Answers
Answer:
urinary system
Explanation:
Transitional epithelium is a type of stratified epithelium. This tissue consists of multiple layers of epithelial cells which can contract and expand in order to adapt to the degree of distension needed. Transitional epithelium lines the organs of the urinary system and is known here as urothelium.
Answer:
epithelial
Explanation:
(03.05 hc) the base pairs in a dna strand are held together with hydrogen bonds. if the two nitrogenous bases in each pair were held together with covalent bonds instead of hydrogen bonds, what effect would it have on the cell? (1 point) group of answer choices the cell could open and close the dna strand with less effort if the bonds were covalent. each time the dna strand opened the cell would need to replace the nitrogenous bases. the cell would have to take in and use more energy in order to break the covalent bonds. since the covalent bonds are unbreakable it would be difficult for the cell to make mrna.
Answers
The cell would have to take in and use more energy in order to break the covalent bonds.
The correct option is B
Hydrogen bonds :
are the chemical mechanism that governs the complementarity of the bases of DNA. This correspondence is unique thanks to the geometry of the hydrogen donor atoms and the acceptors that form the bases.
The (hydrophobic) bases are stacked inside the double helix of DNA; their plane is perpendicular to the axis of the double helix. The outside (phosphate and sugar) is hydrophilic.
The hydrogen bonds between the bases of one strand and the bases of the other strand keep the 2 strands united.
One purine on one strand necessarily binds to a pyrimidine on the other strand. As a corollary, the number of purine residues is equal to the number of pyrimidine residues.
* A binds to T (by 2 hydrogen bonds).
* G binds to C (via 3 hydrogen bonds: more stable bond: 5.5 kcal vs 3.5 kcal).
What part of the DNA strand do hydrogen bonds hold together?
hydrogen. Covalent bonds occur within each linear strand and strongly bond the bases, sugars, and phosphate groups (both within each component and between components). Hydrogen bonds occur between the two strands and involve a base from one strand with a base from the second in complementary pairing.
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which question derives from the functional description of behavior? a. how does mating depend on hormones in different species? b. how are the sounds of speech patterned? c. how do specialized patterns of behavior contribute to mating and to care of offspring? d. how do reproductive behaviors develop over the life span?
Answers
The functional explanation of behavior explains how offspring behavioral patterns help with mating and child care.
Describe offspring.The juvenile creation of living creatures is called an offspring, which can be created by a single celled organism or, in the event of sexual reproduction, by two organisms. A group of offspring is sometimes referred to as the brood or descendants in the more generic sense.
What is an example of offspring?Your genetic parents are the ones who gave birth to you. Basically, this is another term for kids. Offspring includes young humans, horses, gorillas, tortoises, and gorillas. When a mother gives birth to quadruplets, she subsequently has a large family. The fact that each individual creature exists as that of the result of replication is a fundamental component of all known life.
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you find a fossil organism that you think is an animal. which characteristic needs to be present to determine whether it is a sponge versus a cnidarian? please choose the correct answer from the following choices, and then select the submit answer button. answer choices complex organ systems multicellularity bilateral symmetry multiple tissues
Answers
The characteristic that will determine whether the fossil organism which is an animal is a sponge or a cnidarian is: (4) multiple tissues.
Fossils are the dead and decaying remains of the plants or animals that were buried deep down on the earth millions oy years ago. The fossil can be in the form of some bone, exoskeleton, hair, petrified wood, traces of DNA, etc.
Cnidarians are the animals that belong to the phylum Cnidaria. The examples of cnidarians include corals, hydras, jellyfish, etc. These organisms have tissue level of body organization and therefore it becomes a distinguishing characteristic that differentiated them from the sponges.
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Dinosaurs are diapsid reptiles. This means they Group of answer choices walk on four legs have two post-orbital fenestrae in their skulls walk on two legs are tetrapods
Answers
Dinosaurs are diapsid reptiles. This means they have two post-orbital fenestrae in their skulls.
Diapsids are animals that have two holes behind each eye on their skull. The dinosaurs, as well as birds and crocodiles, are examples of diapsids. They are distinguished from synapsids, which have a single opening behind the eye, and anapsids, which lack any opening at all.
Fenestra is the term for any opening in a bone that is not a joint. Fenestrae are the openings found in the temporal region of diapsid skulls behind the eye sockets. In addition to fenestrae, the temporal region of the diapsid skull features various other distinguishing characteristics and complexities.
the dinosaurs, like other diapsids, had two openings (or fenestrae) behind their eye sockets. The presence of two openings is referred to as "diapsid" and is a hallmark of a broad group of reptiles known as Diapsida. Therefore, the statement "Dinosaurs are diapsid reptiles. This means they have two post-orbital fenestrae in their skulls" is correct. The other options provided are not accurate to the definition of diapsid reptiles.
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What did miller's experiment prove
Answers
Miller-Urey experiment was a chemical experiment that simulated the conditions of the prebiotic Earth, by testing the chemical origen of life under the conditions of the enviroment in that time. The experiment used water, ammonia, hydrogen, and methane seled inside a sterile 5-liter glass flask to a 0,5-liter flask half-full of water being it continuous exposed to electrical sparks. Miller could show that the prebiotic condition for life in his test produced 11 of the 20 known amino acids, showing that from inorganic simple molecules was the start of origen of life in Earth.
which ones are living? I will mark branilest for first answer
water
decaying log
insects
rocks
worms
trees
air
frog
Answers
Answer:
Decaying log
insects
worms
trees
frog
Worms
Trees
Frog
What system includes the core, mantle, and crust of the Earth?
a.
geosphere
b.
hydrosphere
c.
atmosphere
d.
biosphere
The Answer is D. Biosphere
I just did the assignment
Answers
Final Answer: A. Geosphere
Explanation/Reasons:
Question: What system includes the core, mantle, and crust of the Earth?
Hey there! The correct answer would be A. Geosphere. The geosphere is a system in an area that includes the core, the mantle, and the crust. It is strictly oriented and formed by non-organic matter. The geosphere is one of the small numbers of areas of our planet.
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Name 3 sources of CO2.
Answers
Answer:
1. Natural Source
2. Human Source
3. Natural Gas
I don't know if the third one is correct...
What is the net force?
Answers
The net force is the total effect (the sum) of all pushing and pulling forces actually acting on an object.
In the simplest words, what is net force? An object will accelerate in the direction of the net force if the pushing and pulling forces acting on it are not equal (a net force acts). The object will accelerate more rapidly the more net force there is operating on it.These connections are summarized by Newton's second law of motion.The following equation for acceleration can be used to get Net Force = Mass Acceleration, or F = m a. .A soccer ball takes off and travels into the air when we kick it.The ball is then being affected by a net force.A net force is also exerted on the ball when it begins to fall back to the earth and eventually stops.To learn more about net force refer
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