Why are yeast cells frequently used as hosts for cloning? a. They easily form colonies. b. They can remove exons from mRNA. c. They do not have plasmids. d. They are eukaryotic cells.
Answers
Yeast cells are frequently used as hosts for cloning because they are eukaryotic cells. So the correct option is D.
What is the purpose of yeast cells for cloning?
Yeast is a single-celled microorganism. Thus, it can be cultured and manipulated by the use of culture techniques that are standard for bacteria.
Yeast is a eukaryotic organism and has its genetic material packed in the form of chromosomes. Also, the nucleus is enclosed within a membrane and is divided by division (mitosis and meiosis).
Yeast has been used for several years as a model organism for a number of genetic studies and biochemical studies. The use of yeast for fermentation only provided an advantage as various properties of yeast were already known.
Therefore the correct option is D.
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Related Questions
ANSWER QUICK WILL GIVE BRIANLIEST
A certain organism has many cells, each containing a nucleus. Inside the cells there is also an organelle that allows the organism to make its own food. This organelle gives the organism a unique color. This organism is best classified as _________.
Arcaea
Plantaea
Bacteria
Animalia
Answers
Answer:
Plantaea
Explanation:
Is the answer
Which would be a good source to find weather information about your town from last month?
A old copies of local newspapers
B reference book about weather
C a magazine with weather articles
Answers
(option B) reference book about weather would be a good source to find weather information about your town from last month.
what is weather?Weather refers to the state of the atmosphere and includes terms like how hot or cold, wet or dry, quiet or stormy, clear or foggy, etc.
what is information?Information is a general term for everything with the capacity to inform. Information is most fundamentally concerned with the interpretation of what may be sensed. which can also be the condition of the atmosphere, including its temperature, pressure, wind, humidity, precipitation, and cloud cover, is referred to as the weather. It is distinct from climate, which is the average of all weather events for a certain place over around 30 years.
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the ability of an ecosystem to return to its equilibrium state after an environmental disturbance is called .
Answers
The ability of an ecosystem to return to its equilibrium state after an environmental disturbance is called resilience.
What is resilience.?Resilience is described to the capacity of an ecosystem to absorb and recover from disturbances, such as natural disasters, human activities, or changes in environmental conditions.
Ecosystems that are resilient can withstand disruptions and adapt to them without losing their general integrity or their ability to function. After a disturbance, they can return to their former state or change into a new stable state.
The idea of resilience emphasizes how dynamic ecosystems are and how they may recover from shocks while preserving their ecological balance and carrying out their core activities and functions.
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Metaphase in mitosis is characterized by
Select one:
A. lining up of sister chromatids down the center of the cell
B. separating of the sister chromatids
C. cytokinesis
D. separating of homologous chromosomes
Answers
Answer:
A. lining up of sister chromatids down the center of the cell.
Explanation:
Hope that helps! If not, let me know. I just took Life Science last year, so I still know that kind of stuff... (for now...)tehehe
Write the correct base sequence for complementary DNA and RNA. THEN translate RNA into a protein sequence using the amino acid tables:
DNA sense sequence:
TACCCAATGGAC
DNA antisense sequence:
ATGGGTTACCTG
RNA sequence:
AUGGGUUACCUG
amino acid sequence (write these amino acids as their abbreviations and with periods between them. For instance, a sequence of serine and tyrosine would be written "Ser.Tyr"):
Answers
Which statement best describes enzymes? A) Every enzyme controls many different reactions. B) The rate of activity of an enzyme might change as pH changes. C) Temperature changes do not affect enzymes. D) Enzymes are produced from the building blocks of carbohydrates.
Answers
Answer:
the answer is B
Explanation:
Every enzyme can control one or more types of reaction whereby the rate of activity of an enzyme will be influenced by PH and temperature.
Plant leaves are organs that are composed of multiple cell types, including palisade cells and
guard cells. Palisade cells contain many chloroplasts and are the main sites of photosynthesis in
a leat. Guard cells are specialized epidermal cells that can change shape in order to control gas
exchange between the leaf and its surroundings.
Which claim is best supported by evidence provided in the passage?
Choose 1 answer
The various cell types found in a leaf have unique, specialized functions.
A leat is primarily made up of one cell type, which allows it to carry out the process of
photosynthesis
Palisade and guard cells each have the capacity to carry out all the functions of the leaf,
Independently
Answers
Answer:
need the answer pls
Explanation:
what percentage of energy is passed on from one trophic level to the next
Answers
Answer:
10 percent
On average, only about 10 percent of energy stored as biomass in a trophic level is passed from one level to the next
Explanation:
1. What part of the body covers the windpipe when you swallow? diaphragm O bronchi O tongue O epiglottis
Answers
Answer:
diaphram or Bronchi
Explanation:
Answer:
epiglottis
Explanation:
I took the test
What is formed into the extreme heat and turmoil of a supernova?
Answers
Answer:
heavier elements are formed
Explanation:
Remember, when a series of processes (fusion of elements) occurs in a star, it would result in a huge explosion that leads to the death of the star, forming what is called a supernova.
The supernova then forms heavier elements that are released into space as a result of the extreme heat and turmoil.
I need help with answering this question, placing the steps from step one to step five.
Answers
Answer: 2,4,5,1,3
Explanation: I just know the answer
Pick an everyday activity and describe how the body systems work together to allow you to accomplish this everyday activity.
Answers
Explanation: When you run, your respiratory system changes your breathing speed rapidly and drastically. Your lungs work harder to store oxygen you need to keep running with your muscles. With the respiratory system supporting your muscles, this allows the muscular system, which in this case are your leg muscles, to effectively run smoothly. (Sorry if this may not be the best answer, but this was what I first thought of. I hope it helped though!)
Example: An everyday activity is running.
Explanation: When you run, your respiratory system changes your breathing speed rapidly and drastically. Your lungs work harder to store oxygen you need to keep running with your muscles. With the respiratory system supporting your muscles, this allows the muscular system, which in this case are your leg muscles, to effectively run smoothly. (Sorry if this may not be the best answer, but this was what I first thought of. I hope it helped though!)
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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Which of the following is a disadvantage of using solar energy?
A. Solar energy produces greenhouse gases.
B. Solar energy is available only in the summer
C. Solar panels do not work very well.
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D. Solar panels are expensive.
Answers
Answer:
d. Solar panels are expensive.
Explanation:
All the other things are not right.
- The other options don’t make sense
how do plant cells differ from animal cells structurally?
Answers
Answer:
plant cells have a rigid cell wall that helps it keep shape and animal cells don't
Answer:
Plant cells contain a cell wall to help give better structure and protection than animal cells. Plant cells also contain a large central vacuole that is used to store waste and water. Another thing is that plant cells have an organelle that preforms photosynthesis.
Two more examples of how homeostasis is maintained in the marine iguana
Answers
Answer:
Homeostasis is how an organism maintains internal balance. iguanas are cold blooded, so to maintain homeostasis, they have to be in the sun, or relax in the shade to regulate their temperature.
Predict effect of the E2delG mutation on the resulting FGF5-S proteins. Justify your prediction
Answers
A glutamic acid (E) at position 2 of the FGF5-S protein is deleted as a result of the E2delG mutation.
Determine how the E2delG mutation will affect the resulting FGF5-S proteins. Defend your forecast.An acidic amino acid called glutamic acid participates in hydrogen bonding and electrostatic interactions both within and between proteins. This amino acid's removal is likely to affect the protein's ability to maintain its structural stability, which could result in a loss of function or a change in function. A secreted signalling protein called FGF5-S is involved in the growth and development of hair. The E2delG mutation has the potential to alter hair growth patterns by interfering with the protein's signalling function. Alternately, the mutation might speed up the protein's degradation, which would result in lower levels of FGF5-S overall and possibly have an effect on hair growth. To pinpoint the precise impact of this mutation on the resulting FGF5-S protein, additional research is necessary.
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PLEASE HURRY!!!
Include a bulleted list highlighting the important ideas you shared in your presentation.
Definition and description of gravity
Importance of gravity
Factors affecting gravitational forces between objects
Relationship between the masses of objects and the gravitational force between them
Relationship between the distance between objects and the gravitational force between
them
Answers
Answer:
1. the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.
2. The sun's gravity keeps Earth in orbit around it, keeping us at a comfortable distance to enjoy the sun's light and warmth. It holds down our atmosphere and the air we need to breathe
3. distance between objects
masses of the objects
Explanation:
The magnitude of the gravitational force between two objects is given by
where G is the gravitational constant m1 and m2 are the masses of the two objects r is the distance between the two objects
By looking at the formula, we see that the gravitational force is affected only by two quantities:
- the masses of the objects, m1 and m2
- the distance between the objects, r
4. Gravitational force -an attractive force that exists between all objects with mass; an object with mass attracts another object with mass; the magnitude of the force is directly proportional to the masses of the two objects and inversely proportional to the square of the distance between the two objects.
5. Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.
Hope i helped! xoxo
Answer:
you should make a powerpoint
Explanation:
1-the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.
2-Gravity is very important to our everyday lives. Without Earth's gravity we would fly right off it. We'd all have to be strapped down
3-Newton's law also states that the strength of gravity between any two objects depends on two factors: the masses of the objects and the distance between them.
Objects with greater mass have a stronger force of gravity between them. ...
Objects that are closer together have a stronger force of gravity between them.
4-5-Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.
it's all from the internet
5. What do the pre-filled dialysis tubes represented?
Answers
Answer:
The dialysis tubing itself represents the cell membrane.
Explanation:
Hope This Helps
what is the process of breaking down food to its smallest units in order for the nutrients to be absorbed?
Answers
Answer: digestion
Explanation:
the mannose-6-phosphate receptor would have what type of protein tag?
Answers
The mannose-6-phosphate receptor (M6PR) is a type of receptor protein that recognizes and binds to proteins containing mannose-6-phosphate (M6P) tags.
The M6P tag acts as a specific targeting signal for proteins destined to be transported to lysosomes. The M6P tag is added to proteins during their synthesis in the Golgi apparatus. Enzymes in the Golgi modify specific sugar residues on the proteins, resulting in the addition of M6P tags. These M6P tags serve as recognition signals for the M6PR.
The M6PR is a transmembrane protein that is localized on the membrane of various cellular compartments, including the Golgi apparatus and endosomes. It has a specific binding domain that interacts with the M6P tag on the target proteins, allowing for their selective uptake and transport to the lysosomes.
Therefore, the M6PR recognizes and binds to proteins with the M6P tag, enabling their proper sorting and delivery to lysosomes for degradation or processing.
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With your fragment now in an expression plasmid, you will need to check to ensure that the fragment is in the correct reading frame from the promoter so that a functional enzyme can be made. You will utilize the polymerase chain reaction (PCR) to amplify a section of the plasmid containing your insert so that it can be sequenced. PCR uses a DNA polymerase isolated from a hyperthermophilic bacterial species to synthesize a new DNA strand off a template strand of DNA. You are supplying a template in the form of the plasmid with the inserted fragment. PCR also uses the requirement of DNA polymerase to have a pre-existing primer with an open 3' end for new strand synthesis. You will provide the primers that will bind to specific DNA sequences before and after the inserted fragment and will act as boundaries for what part of the plasmid will be amplified. The resulting short, amplified fragments will be identical in base sequence to the original plasmid templates. Once PCR amplification is complete, you will have enough template fragments to send for DNA sequencing to ensure that you have inserted the genes correctly into the plasmid. Correct insertion will result in the production of an mRNA strand that will have the first gene codon in the correct reading frame for a working enzyme to be produced. Of the following components, which ones are required for the amplification of a specific section of DNA using the polymerase chain reaction? Select all that apply.
a. DNA primers
b. RNA polymerase
c. a strand of RNA to act as a template
d. DNA polymerase that is heat stable
Answers
Answer:
The correct answer is - a. DNA primers, and d. DNA polymerase that is heat stable.
Explanation:
In Polymerase chain reaction (PCR) there are many components are required in a overall process but there is two major components that are required for amplification of a specific section of DNA:
a. DNA primers- these are short and strands or sequence of ssDNA, a pair of these sequence acts as the starting site for a new strand which is used to hybridize with the sample DNA and mark the region of the DNA of interest to be amplified.
d. DNA polymerase that is heat stable- PCR technique involves various reaction that are performed at different temperatures. A thermophilic bacteria Thermus aquaticus is used to get this heat stable enzyme, Which lives in hot springs.
Thus, the correct answer is - a. DNA primers, and d. DNA polymerase that is heat stable.
Which sentence describes a tropical dry forest?
Answers
The sentences that describe a tropical dry forest are:
A. It experiences rapid nutrient cycling.
D. It is mostly composed of deciduous trees.
What is a tropical dry forest?A tropical deciduous forest is one that contains trees with broad leaves, dry or semi-dry trees are present. This forest has always nutrient cycling and also contains deciduous forest.
The options are attached below:
A. It experiences rapid nutrient cycling
B. It is always wet
C. it has very poor soils
D. It is mostly composed of deciduous trees
Thus, options A and D are correct regarding tropical dry forest
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Nitrogen oxides from gas-burning cars and trucks that do not change form in the atmosphere are considered to be
primary pollutants from a stationary source
primary pollutants from a mobile source
secondary pollutants from a stationary source
secondary pollutants from a mobile source
Answers
The answer is B because cars are mobile vehicles and are a primary source of pollution in the world.
Nitrogen oxides from gas-burning cars and trucks that do not change form in the atmosphere are considered to be primary pollutants from a mobile source.
Nitrogen oxide may refer to a binary compound of oxygen and nitrogen
Nitric oxide, also known as NO, is a colourless gas. It is one of the most important nitrogen oxides. Nitric oxide is a free radical, which means it has an unpaired electron in its chemical formula (•N=O or •NO). Nitric oxide is also a heteronuclear diatomic molecule, which inspired early modern theories of chemical bonding.
Nitric oxide, an important intermediate in industrial chemistry, forms in combustion systems and can be produced by lightning in thunderstorms. Nitric oxide is a signalling molecule in many physiological and pathological processes in mammals, including humans. In 1992, it was named "Molecule of the Year." The discovery of nitric oxide's role as a cardiovascular signalling molecule earned the 1998 Nobel Prize in Physiology or Medicine.
Nitric oxide, as seen in the acid deposition section, can be converted into nitrogen dioxide. Short-term nitrogen dioxide exposure causes nausea, dyspnea, and headache. Impaired immune and respiratory function could be long-term consequences.
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Which event occurs after the activated receptor: hormone complex enters the nucleus of the target cell? The activated receptor:hormone complex binds to specific regions of RNA. The receptors bind to a second messenger to activate DNA. The activated receptor:hormone complex binds to specific regions of DNA. The hormone dissociates from the receptors and the receptors bind to the plasma membrane.
Answers
After the activated receptor: hormone complex enters the nucleus of the target cell, it binds to specific regions of DNA. This binding triggers changes in the gene expression and regulation of the target cell, leading to a specific cellular response.
The binding of the activated receptor: hormone complex to specific regions of DNA is a critical step in the regulation of gene expression and the cellular response to hormones. This process is a complex and regulated event, involving the binding of the activated receptor: hormone complex to specific DNA sequences called hormone response elements. This binding leads to the recruitment of other proteins, such as transcription factors and co-activators, that help regulate gene expression and determine the specific cellular response.
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Prokaryotes are better known as __________.
Answers
Prokaryotes, better known as bacteria, possess no nucleus and no advanced cellular machinery. They are unicellular and are only a small fraction of the size of a plant or animal cell.
RLLYY NEED HELP WITH DIS ONE ASAPPP !!
Answers
Answer:
False
Explanation:
Please help with this question I have
Answers
Match each vein with the correct label. (leg)
Answers
Answer:
1. Common Iliac
2. Femoral
3. Popliteal
4. Small Saphenous
Explanation: is correct
Carbon, hydrogen, and oxygen atoms can combine to form
a monosaccharide. Many monosaccharides can combine
to form a large carbohydrate.
Which sentence is true?
A. The monosaccharides are macromolecules, and the large
carbohydrate is a monomer.
B. The monosaccharides are monomers, and the large carbohydrate
is a macromolecule.
C. The monosaccharides are atoms, and the large carbohydrate is a
monomer.
D. The monosaccharides are monomers, and the large carbohydrate
is an atom.
Answers
According to the research, the correct answer is Option B. The monosaccharides are monomers, and the large carbohydrate is a macromolecule.
What are monomers?They are molecules that have a low molecular mass and are joined through chemical bonds to form a polymer, which is a macromolecule.
In this sense, monosaccharides, meanwhile, are the monomers of carbohydrates.
Therefore, we can conclude that according to the research, monosaccharides are the monomers of so-called carbohydrates, which are also known as polysaccharides.
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