The bacteriophage multiplication cycle is similar to that of an animal virus with the exception of uncoating. uncoating does not occur because they do not have viral envelope surrounding their genetic material.
Bacteriophage explained.
Unlike animal viruses, bacteriophage do not have viral envelope surrounding their genetic material. Bacteriophage are viruses that specifically infect bacteria. In the bacteriophage multiplication cycle, uncoating is not required because the genetic material of the bacteriophage directly enters the bacterial host cell without the need for the viral envelope to be removed.
During bacteriophage multiplication, cycle, the bacteriophage attaches to the surface of the bacterial cell and injects its genetic material, which can be either DNA or RNA, into the host cell.
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A tornado is a violent ____ with a ____ column of air
A.active
B.cool air
C.300 mph
D.alley
E.ground
F.warm air
G.canada
H.rotating
i. storm
J.thunderstorms
will give brainliest
Answer:
storm; rotating
Explanation:
How is rDNA made?Restriction enzyme action of EcoRI:
In conclusion, EcoRI is employed to cleave rDNA at its specific recognition site, resulting in pieces with complementary sticky ends that can be joined to generate recombinant DNA.
In recombinant DNA technology, EcoRI is a common restriction enzyme. The short summary of EcoRI's role in rDNA synthesis is as follows: DNA isolation: The first step is to isolate the desired DNA, which can be accomplished in a number of ways depending on the DNA's origin.
A host cell receives the recombinant DNA after which it can reproduce and make many copies of the rDNA. EcoRI addition: The isolated DNA is given EcoRI. A particular sequence of six nucleotides is recognized by the restriction enzyme EcoRI.
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if one were to attempt gene therapy, would a recombinant form of the insulin gene be needed?
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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some animals look things from very far distance and others not see from far distance why?
Answer:
The brain gets better with practice, so routine actions like walking become second nature. That is why your first time on the monkey bars is harder than your 100th time.
So how does the brain judge distance? The key for animals — like monkeys and humans — is in our eyes.
Where these different views overlap is how the brain is able to calculate the difference in distance and to judge depth.
This happens because the closer an item is to you, the greater the relative difference between the eyes will be compared with the object. The farther away an item is, the smaller the relative distance between the eyes will be. Our brain is great at remembering patterns, and it remembers the differences that each eye is seeing and correlates it with a distance. It can also find the distance by calculating the “convergence,” or how crossed your eyes become while looking at something. The more crossed your eyes become when looking at an object, the closer the object.
An example of sliding a joint is…
A Elbow joint
B Neck joint
C Knee Joint
D Wrist joint
An example of sliding joint is Wrist joint. Therefore, option (D) is correct.
Wrist joint is an example. The wrist joint allows sliding or gliding actions because the wrist bones move smoothly. Sliding improves hand dexterity, making it easier to do tasks like keyboard typing and managing tiny objects.
The radius, ulna, and hand carpals form the wrist joint, a complex articulation. The wrist joint's fluid gliding movement aids the hand's flexibility and nimbleness, making it important for many ordinary activities. Therefore, option (D) an example of sliding joint is Wrist joint.
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Wells
A. Lane B
B. Lane D
C. Lane C
D. Lane A
80 70 60 40
。 |||
|
c| | || |
I
80%
Electrodes
Agarose Gel
A
25 10 5
||
||
Lane (D) of Known
fragment sizes.
Kilobase pairs
Chamber filled with
Unknown DNA size samples buffer solution
By comparing the migration distances of the unknown DNA samples in Lane D with the known fragment sizes in Lane D, it is possible to estimate the size of the unknown DNA fragments.
In the given information, a DNA agarose gel electrophoresis setup is described. The gel contains wells labeled A, B, C, D, and E, and lanes are represented by letters A, B, C, and D. The numbers 80, 70, 60, and 40 indicate the known fragment sizes (in kilobase pairs) in Lane D.
The gel is filled with a buffer solution, and the Lane D contains the unknown DNA samples.To analyze the unknown DNA samples, the gel electrophoresis process is conducted. DNA samples are loaded into the wells of the gel, and an electric current is applied.
The negatively charged DNA fragments move through the gel towards the positively charged electrode. The smaller fragments migrate faster, while the larger fragments move more slowly.
If the unknown DNA fragments migrate to positions that align with the known fragment sizes, it suggests a similarity in size between the unknown fragments and the known fragments. This information can be useful for determining the approximate size of the unknown DNA samples.
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In Ancient Chinese society, who was expected to
take care of the elderly at some point in their
lives?
Answer:
The youngest descendants of the elderly. Generally, the children or grandchildren of the elderly people would be expected to take care of the elderly once they were too old to work or take care of themselves.
Which are the possible genotype combinations for their offspring? Select 3 options. Rr RR rr RRR r
Rr , RR and rr are the possible genotype combinations for their offspring .
Explanation:
Genotype is the description of genes present in an organism. Genotype is always a pair of letter such as RR,Rr or rr .Answer:
RR rr Rr
Explanation:
The attraction between hydrogen and oxygen atoms in different water molecules is known as
its hydrogen bonds.... that's really all I know
inheritance refers to any trait that is controlled by more than one gene
Answer:
Inheritance traits are gained through the DNA molecules present in the chromosomes. It may involve more than one gene.
Nitrogen is the most common element in the air, why do bacteria play a role in the nitrogen cycle
Answer:
Bacteria converts the nitrogen into fixed nitrogen which can then be used by plants.
Explanation:
A ligand is a Select one: a. type of drug. b. type of electrical stimulus. c. cholinergic synapse. d. substance that binds to receptor molecules at the surface of the cell.
Answer:
The answer is d d d d DD
Explanation:
Which of the following does not act as an agent for transporting sediment? O A. Strata B. A light breeze C. Stream water D. A glacier
Answer:
A.Strata
Explanation:
A strata is covering or layers
Answer:
strata
Explanation:
a p e x
Use the table to describe the major types of bodies of water.
Bodies of water Formation Characteristics
Lakes
Rivers
Wetlands
Cryosphere
Groundwater
Oceans
Water bodies fall into the following categories: rainwater and aquatic surface, underground water
What do you mean by aquatic?Aquatic does not encompass groundwater because "aquatic" indicates a living environment for both plants and animals. Aquatic means pertaining to water, residing in or near water, or going to take place in water. The term "aquatic" can also apply to an animal that spends the majority or entire its life in water, whether it be a vertebrates or an invertebrate.
What varieties of aquatic are there?Aquatic systems can be divided into three categories: "open," "semi-open," or "closed." An open system involves incoming water running through to the culture facility only once before being discharged from some source (such as fresh water, well steam, or city water). Systems that are open include raceway and cage systems.
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Need now
Imagine you are a population ecologist who is starting a campaign to control invasive species in your community. Write 3-5 sentences about what you would tell members of your community who come to a meeting to learn about invasive species.
Answer:
This is what I would say:
Hello, today I will talk to you about invasive species and why they should be stopped, invasive species are bad for the environment because they destroy other creatures, like if the native species think that it's prey and decide to eat it; it might harm them. For example, if there were trees in a certain environment and an invasive species came along every creature would get hurt because those trees are very tall and they stop sunlight from reaching the ground so that would help to stop invasive plants from growing but if an invasive species of beetles came along they would eat the trees and kill them making sunlight reach the ground. Then it would help the invasive plants to grow, and what would the invasive species of plants do you ask? They would harm the creatures because there are herbivores and they eat plants and since they might think that the plant is toxic because they look like a toxic plant in that environment they will starve and die. Little by little the animals would get harmed because predators eat the herbivores and if there's no food for them they will die, so you see a lot of creatures would get harmed if we don't stop invasive species.
P.S. maybe you should change the words a little because I used this in previous work.
help me with this if possible
Answer:
well 5 is easy its the axis
Write four quantum numbers to describe the highest energy electron in the aluminum atom. The answer must include the four symbols and four correct numbers.
The four quantum numbers to describe the highest energy electron in the aluminum atom are:
n=3,
l=2,
m=1,
s=+1/2.
Quantum numbers are used to describe the properties of electrons in atoms. The first quantum number, n, describes an electron's energy level, or the distance from the nucleus. The second quantum number, l, is the angular momentum quantum number that describes the shape of the electron's orbital. The third quantum number, m, is the magnetic quantum number that describes the orientation of the electron's orbital. The fourth quantum number, s, is the spin quantum number that describes the electron's spin.
For the aluminum atom, the atomic number is 13, which means that it has 13 electrons. The highest energy electron is located in the 3p subshell. The principal quantum number (n) for this electron is 3 because it is located in the third energy level. The azimuthal quantum number (l) for the 3p subshell is 1, because it is a p orbital. The magnetic quantum number (m) can have values of -1, 0, or +1 for a p orbital. S
The spin quantum number (s) can have values of +1/2 or -1/2. For the highest energy electron in aluminum, we will choose s=+1/2.
The four quantum numbers to describe the highest energy electron in the aluminum atom are :
n=3,
l=2,
m=1,
s=+1/2.
These quantum numbers can be used to describe the properties of the electron's orbital and the electron's spin and can aid in predicting its behavior in a chemical reaction.
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In Mendelian case, the offpspring will take on the pheonotype of the parent that donates the dominant allele True Or False. I'm giving 65 points for this
Answer:
True
Explanation:
According to Mendelian's law of inheritance, the dominant allele is the allele that is expressed in an individual while the recessive allele are usually not expressed in the phenotype of an individual.
If a parents is dominant for a particular allele of tallness and recessive for a particular allele of shortness it is observed that the dominant allele is what is expressed in the phenotype of the offspring and inherited in simple Mendelian fashion by the offspring.
Jupiter is not a star
Answer:
Yes you are right Jupiter is not a star...
Explanation:
Primary sensory neurons:________
a. form connections only with other neurons
b. have neurites in the sensory surfaces of the body
c. are the most abundant cells in the brain
d. command movement
Primary sensory neurons have neurites in the sensory surfaces of the body.
What are sensory neurons?Afferent neurons, also referred to as sensory neurons, are neurons in the nervous system that use their receptors to translate a particular kind of stimuli into action potentials or graded potentials. It is known as sensory transduction. The spinal cord's dorsal ganglia are home to the sensory neurons' cell bodies.
The sensory data is sent from the sensory nerve through the spinal cord and afferent nerve fibers to the brain. The stimulus may come from interoreceptors inside the body, such as those that respond to blood pressure or the sense of body position, or from exteroreceptors outside the body, such as those that detect light and sound.
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The symptom complex known as Parkinson’s syndrome results from
increased dopamine production by neurons of the substantia nigra.
decreased activity of dopamine secreting cells of the substantia nigra.
generalized decrease in dopamine throughout the central nervous system.
Parkinson's syndrome is a condition that affects the movement of an individual due to a gradual loss of dopamine-producing neurons in the brain. Dopamine is a neurotransmitter that helps in the control of movement, emotions, and motivation.
The symptoms of Parkinson's syndrome include tremors, rigidity, slowness of movement, and difficulty in balance and coordination. The cause of Parkinson's syndrome is not fully understood, but it is believed to be caused by a combination of genetic and environmental factors.
The correct answer to the question is decreased activity of dopamine-secreting cells of the substantia nigra. This decrease in activity leads to a reduction in dopamine levels, which affects the brain's ability to control movement, leading to the symptoms of Parkinson's syndrome. While increased dopamine production by neurons of the substantia nigra is not a cause of Parkinson's syndrome, it can lead to other conditions such as schizophrenia. A generalized decrease in dopamine throughout the central nervous system can lead to other conditions such as depression or anxiety, but not Parkinson's syndrome.
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how does the ""editing pocket"" proofreading mechanism ensure trnas are bound to the correct amino acids?
The "editing pocket" is a proofreading mechanism that helps to ensure that transfer RNAs (tRNAs) are accurately bound to the correct amino acids during protein synthesis.
The "editing pocket" is a structural feature within the active site of some aminoacyl-tRNA synthetases (enzymes that attach amino acids to tRNAs) that acts as a proofreading mechanism.
As the amino acid is being attached to the tRNA, the editing pocket can detect and correct any errors in amino acid selection by recognizing and removing incorrect amino acids that may have been attached to the tRNA by mistake.
During protein synthesis, tRNAs carry amino acids to the ribosome, where they are joined together to form a growing polypeptide chain.
Each tRNA molecule is specific to a particular amino acid and has a three-base sequence called an anticodon that is complementary to a corresponding three-base sequence called a codon on the messenger RNA (mRNA) template.
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which groups contains only prokaryotes? question 7 options: domains bacteria and eukarya domains archaea and bacteria domains archaea and eukarya only domain eukarya
The group that contains only prokaryotes is Domain Bacteria and Domain Archaea.
Prokaryotes are unicellular organisms that lack membrane-bound organelles. The cytoplasm is enclosed by a cell membrane and a cell wall, both of which are thin.
Bacteria and archaea are examples of prokaryotes. Eukaryotes are organisms that have cells with nuclei and other membrane-bound organelles.
A prokaryote is a kind of cell that lacks a nucleus and membrane-bound organelles. Prokaryotes come in a variety of shapes and sizes, including spherical (cocci), rod-shaped (bacilli), spiral (spirilla), and comma-shaped (vibrios).
Prokaryotes are classified into two domains: Bacteria and Archaea. Eukarya is the third domain, and it includes all eukaryotic organisms, including animals, plants, fungi, and protists.
Therefore, the only two domains that include only prokaryotic organisms are Bacteria and Archaea.
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Foliated metamorphic rocks have mineral grains that are randomly placed. true or false
Answer:
True
Explanation:
Metamorphic rocks are foliated if their mineral grains are arranged randomly.
Answer:
False
Explanation:
Foliated means to have grains placed in parallel layers, while non foliated rocks mean the grains are placed randomly
FILL IN THE BLANK. cnidarians are the only animal phylum to display ___, meaning that their bodies can be divided any way through the center point to yield two even halves.all other adult animals display __, meaning that their bodies can only be sliced lengthwise through the midline to produce two even halves.
All other mature creatures have radial symmetry, making cnidarians the only animal phylum to exhibit biradial or radial symmetry.
What nine animal phyla are there?The vast majority of described, existing species are found in nine of the 36 recognized animal phyla (Mollusca, Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Echinodermata, and Chordata).
Describe the animal phylum.As a group of organisms with a certain level of morphological or developmental similarity (the phenetic definition), or as a group of organisms with a certain level of evolutionary relatedness, a phylum can be defined in one of two ways at its most fundamental levels.
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______________ Is a contributing mechanism that works with natural selection by creating combinations of genes that nature selects for or against.RecombinationMutationChromosomeAllele
Of these terms, the one which is a contributing mechanism in the natural selection is mutation, since this is an alteration of a specific fragment of DNA that can produce an organism to have in advantage or in disvantage with regard to other species.
what is the role of the rectum?
Answer:
The rectum's job is to receive stool from the colon, let you know that there is stool to be evacuated (pooped out) and to hold the stool until evacuation happens.
Explanation:
Answer:
Its main function is to act as a temporary storage site for fecal matter before it is removed from the body through the canal.
Explanation:
hope this helps:)
Which of the following are secondary consumers?
Answer:
Birds,bird
Explanation:
Because the mice and grasshopper would be the primary consumers and the grass and grains would be the producer.
Which of the following expresses -7 as m/n in simple form ?
Answer:
A (-7)/(1)
Explanation:
(-7)/(-1) would be a positive 7.
7/1 would be a positive 7.
(-7)/(0) would be 0.
why do scuba masks sink but boats float ( must have dense or buoyant in explanation)
Scuba masks sink because they are denser than water, meaning their overall density is greater than that of water. Boats, on the other hand, float because their buoyant force exceeds their weight, allowing them to remain on the water's surface.
Density refers to the mass of an object relative to its volume. If an object is denser than the fluid it is placed in, it will sink, and if it is less dense, it will float. The principle of buoyancy, which is governed by Archimedes' principle, states that an object immersed in a fluid experiences an upward force equal to the weight of the fluid it displaces.
A scuba mask is typically made of materials that are denser than water. Since its density exceeds that of water, it sinks when placed in water. The weight of the mask is greater than the buoyant force exerted by the water.
On the other hand, boats are designed to be less dense than the water they float on. The shape and structure of a boat, along with the materials used, create a vessel that displaces a large volume of water. The buoyant force exerted on the boat is greater than its weight, allowing it to float.
To summarize, the sinking of scuba masks is due to their higher density compared to water, while the floating of boats is a result of their lower density, allowing them to displace enough water to generate a buoyant force greater than their weight.
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