After host cells have been given the opportunity to take up the plasmid, which of the following types of cells should be the most rare?
a. Bacteria with the recombinant plasmid
b. Bacteria with no plasmid and no foreign DNA
c. Bacteria with the foreign DNA but no plasmid
d. All types should appear with approximately the same frequency.
e. Bacteria with the nonrecombinant plasmid
Answers
After host cells have been given the opportunity to take up the plasmid, Bacteria with the foreign DNA but no plasmid should be the most rare. The correct answer is: c.
Bacteria with the foreign DNA but no plasmid should be the most rare because it is difficult for foreign DNA to enter a bacterial cell without a plasmid. Plasmids are small, circular pieces of DNA that can replicate independently of the bacterial chromosome.
They often carry genes that confer antibiotic resistance or other benefits to the bacteria. When a plasmid is present, it can help to transfer foreign DNA into the bacterial cell.
The foreign DNA can then be integrated into the bacterial chromosome or remain as a plasmid.
Therefore, the correct option is C, Bacteria with the foreign DNA but no plasmid.
To know more about bacterial transformation, refer here:
https://brainly.com/question/30668767#
#SPJ11
Related Questions
Predict what would happen if a cell's phospholipid bilayer lacked proteins.
Answers
Answer: It wouldn’t be able to carry out different methods of transport especially for larger/polar molecules as they dont diffuse through the membrane easily and required either carrier proteins/protein channels to move them across the membrane
Explanation: hope this helps!
Earthy, shiny, waxy, metallic, and pearly are terms used to describe a mineral's luster.
What might a scientist observe about a mineral that would help the scientist classify the
luster as metallic?
Answers
We have that for the Question it can be said that
Shinny minerals a conclusion of reflective properties will be madeIf the mineral is smooth and looks like glassThese properties of the luster might help the scientist classify the luster as metallic.
From the question we are told
Earthy, shiny, waxy, metallic, and pearly are terms used to describe a mineral's luster.
What might a scientist observe about a mineral that would help the scientist classify the
luster as metallic?
Generally
Shinny minerals a conclusion of reflective properties will be madeIf the mineral is smooth and looks like glassTherefore
These properties of the luster might help the scientist classify the luster as metallic.
Shinny minerals a conclusion of reflective properties will be madeIf the mineral is smooth and looks like glass
For more information on this visit
https://brainly.com/question/17756498
What type mutation are most harmful to an organism
Answers
Answer:
type 1
Explanation:
Because an insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, therefore, alters the entire amino acid sequence that follows the mutation, insertions and deletions are usually more harmful than a substitution in which only a single amino acid is altered.
Chlamydomonas is a photosynthetic algae but has been found to have the ability to grow in the dark using a growth medium. A scientist cultures a species of Chlamydomonas that has poor growth in the dark for several generations and observes its growth rate after each generation. The scientist finds that the algae’s growth rate in the dark begins to increase after 600 generations. The scientist then compares the DNA of the faster growing Chlamydomonas to the original algae and finds the DNA has mutated. The scientist claims the mutations are beneficial to the Chlamydomonas.Which statement could the scientist give to support the claim?
Chlamydomonas mutate to form a new species that survive only in the absence of light.,
Chlamydomonas mutate to photosynthesize in the dark as well as in the presence of light.
Chlamydomonas mutate to adapt and grow in the absence of light.,
Chlamydomonas mutate to store light and utilize it to grow in the complete absence of light
Answers
The researcher might say, "Chlamydomonas mutate to adapt and grow in the absence of light." It is possible that the DNA changes were advantageous and helped Chlamydomonas adapt and thrive in the lack of light, indicating an evolutionary response to the environmental conditions, as suggested by the observed increase in growth rate in the dark after mutations.
This is evidenced by the fact that the algae's growth rate in the dark increased after 600 generations of poor growth, suggesting that the mutated DNA allowed the algae to adapt and thrive in a low-light environment. Photosynthetic algae typically require light for their growth, but the ability to store light and use it later could be a valuable adaptation for survival in environments with limited light availability.
Therefore, the mutations that enabled Chlamydomonas to grow in the dark are beneficial and may confer an advantage for the species in certain ecological niches.
To know more about Chlamydomonas click here:
https://brainly.com/question/30516384
#SPJ11
Moving very large molecules out of the cell using a vesicle from the cell membrane is known as?
Answers
Answer: exocytosis
Explanation:
- When molecules are too large or too charged to cross the plasma membrane by diffusion or osmosis, they use vesicular transport, also known as exocytosis. In vesicular transport/exocytosis, vesicles allow large molecules to exit the cell because the vesicle fuses with the plasma membrane and its contents spill out.
hope this helps :)
importance of platyhelminthesis
Answers
Answer:
The phylum platyhelminthes includes the organism like flatworms, earth worm and many other species. They play a major role in the marine, terrestrial and freshwater ecosystem. It contains a variety of nutrient sources.
Explanation:
They are of great importance from the times when there were no other organism.
which of the following was not one of darwin's observations?group of answer choicessome characteristics afford their possessor a better chance of survivalchanges in organisms were gradual and took place over long periods of timesome characteristics are heritable and passed on to offspringmembers of the same species may exhibit considerable variationmost individuals have an equal chance to survive and reproduce
Answers
The correct answer is: 1. Most individuals have an equal chance to survive and reproduce. This statement was not one of Darwin's observations.
The statement - Most individuals have an equal chance to survive and reproduce was not one of Darwin's observations.
Darwin observed that individuals within a population vary in their traits and that some traits can provide advantages for survival and reproduction.
This leads to differential survival and reproduction, with individuals possessing advantageous traits being more likely to pass them on to the next generation.
Darwin's observation was that individuals with certain advantageous traits have a better chance of survival and reproduction compared to others, which leads to the accumulation of favorable traits in a population over time. This concept is known as natural selection.
To know more about Darwin's observations follow the link:
https://brainly.com/question/28746004
#SPJ4
The correct question is:
Which of the following was not one of darwin's observations?
1. some characteristics afford their possessor a better chance of survival
2. changes in organisms were gradual and took place over long periods of time
3. some characteristics are heritable and passed on to offspring
4. members of the same species may exhibit considerable variation
5. most individuals have an equal chance to survive and reproduce
Which of the following describes the function of carbohydrates? A. Carbohydrates store hereditary information. B. Carbohydrates help leaves absorb the sun's energy. C. Carbohydrates surround and protect internal organs. D. Carbohydrates store energy in their bonds.
Answers
Answer:D. Carbohydrates store energy in their bonds
Explanation:
The C—H bonds found in carbohydrates store energy
Answer:
D
Explanation:
AP3X
Turn these answers into two paragraphs. (5-8 sentences each)
Thank you! >_<
What are GMOs used for?
To give plants and animals the desired traits for a specific purpose.
Plants-Grow faster, taste better
Animals-Specific breeds, laboratory research, human consumption(Matured faster)
Where can you find organisms that are GMOs?
Produce section in stores
In addition to tasting better, genetically modified crops have higher yields, a longer shelf life, are resistant to pests and diseases, and are longer lasting.
What did you find most interesting?
Something I found interesting was how sometimes genes from one organism could be inserted into an entirely different one. The endless amounts of mixed results this can cause is fascinating. Another thing I found interesting was how GMO’s are used in around 90% of some of our everyday produce.
Do you think there is a benefit to using GMOs?
I do think there is a benefit to using GMOs because there is so much that they already do for us. Though there are risks, there are still ways to improve them. GMOs help our society, research, and food markets.
What did you learn?
I learned that GMO’s can be used to improve health, maturity, taste, and durability.
Answers
GMOs are used to give plants and animals the desired traits for a specific purpose as plants grow faster.
Where can you find organisms that are GMOs?In addition to tasting better, genetically modified crops have higher yields, a longer shelf life, are resistant to pests and diseases, and are longer lasting. Something I found interesting was how sometimes genes from one organism could be inserted into an entirely different one. The endless amounts of mixed results this can cause is fascinating. Another thing I found interesting was how GMO’s are used in around 90% of some of our everyday produce.
I do think there is a benefit to using GMOs because there is so much that they already do for us. Though there are risks, there are still ways to improve them. GMOs help our society, research, and food markets. I learned that GMO’s can be used to improve health, maturity, taste, and durability.
Learn more about plants on:
https://brainly.com/question/600212
#SPJ1
The body is made of organs, cells, tissues,
and organ systems. Which is the most
abundant?
please help
Answers
The most abundant in the body is cells.
What do you mean by cells?Cell is the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm.
Moreover, they provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves. Cells have many parts, each with a different function.
There are two main types of cells: prokaryotic cells and eukaryotic cells. Prokaryotic cells include bacteria and archaea. Prokaryotes—organisms composed of a prokaryotic cell—are always single-celled (unicellular). Prokaryotic cells don't contain a nucleus.
Learn more about cells:
https://brainly.com/question/3142913
#SPJ2
Many grocery stores spray their produce with fresh (0% salt) to make them more firm and plump. Is this water a hypertonic, hypotonic, or isotonic solution for the plants? What is different about plant cells that prevents them from bursting when exposed to this solution?
Answers
Answer:
That would be a hypotonic solution. Unfortunately I don't know the answer to the second part. Sorry!
Spraying produces with freshwater containing 0% salt to make them more firm and plump means that the water is hypotonic for the plants.
Being a hypotonic solution means that the concentration of salt in the cells of the plants is higher than that of the water. It is as opposed to hypertonic solutions which have higher solute/salt concentration than that of the cell or isotonic solutions which have the same solute concentration as that of the cell.
By spraying farm produce with hypotonic solution, water will enter the cells of the plant by osmosis, making them become more firm and plump.
Ordinarily, if a cell continues to take in water from a hypotonic solution, it will become turgid and may eventually burst due to over-turgidity. However, the presence of a cell wall in plant cells prevents the content of the cell from bursting by acting as a guard.
More on hypotonic solutions can be found here: https://brainly.com/question/4237735
which are common cell shapes?multiple select question.column-likecube-likeconicalsphericalhelicalspiral
Answers
Cells are the basic structural and functional units of living organisms. They are classified into many types, each having its distinct shape and function. The following are the common cell shapes:1. Spherical Cells: Spherical cells are round cells.
Examples of spherical cells include red blood cells and fat cells.2. Columnar Cells: Columnar cells are long and thin cells. Examples of columnar cells are cells in the lining of the small intestine.3. Conical Cells: Conical cells are cone-shaped cells. Examples of conical cells are sperm cells.4. Cuboidal Cells: Cuboidal cells are cube-shaped cells. Examples of cuboidal cells are the cells of the liver.5. Spiral Cells: Spiral cells are shaped like a spiral. Examples of spiral cells are some bacteria.6.
Helical Cells: Helical cells are long and curved cells. Examples of helical cells are the cells of the inner ear. The correct answer is: Spherical, columnar, conical, cuboidal, spiral, and helical.
To know more about cuboidal cells visit:
https://brainly.com/question/29972479
#SPJ11
which organism is both a primary consumer and a secondary consumer in this web
Answers
Answer:
Omnivores
Explanation:
Omnivores, which feed on both plants and animals, can be considered as being both primary and secondary consumers.
Answer:
An organism cannot serve as both a main consumer and a secondary consumer at the same time in an ecological food web.
Explanation:
A primary consumer, usually referred to as a herbivore, consumes other producers such as plants directly. In a food chain or web, they are located on the second trophic level.
While a secondary consumer feeds on primary consumers. In a food chain or web, they are located on the third trophic level.
Each creature normally resides in a certain trophic level, which indicates its place in the movement of nutrients and energy through the ecosystem. An organism cannot occupy the primary consumer and secondary consumer levels at the same time, even if it can travel up or down the food chain/web by consuming other creatures
So, no organism can serve as both primary consumer and secondary consumer.
To know more questions related food chain follow the link below
https://brainly.com/question/33135082
Which of these scenarios would cause a metal wire to conduct a current?
A.
hooking the wire to one terminal of a battery
B.
moving a magnet near the wire
C.
changing the wire's orientation within a gravitational field
D.
looping the wire into a circle
Answers
Answer:
hooking wire to one terminal battery
Which system is in charge of transmitting signals to the body and operates basic functions like breathing and digestion
Answers
Nervous system is in charge of transmitting signals to the body and operates basic functions like breathing and digestion.
Define nervous system.The nervous system is an intricate web of nerves and cells that relays information between the brain and spinal cord and numerous body components. Each organ system, including the digestive, immunological, and cardiovascular systems, can effectively communicate with one another if these nerves are functioning properly.
The central nervous system (CNS) and the peripheral nervous system make up the nervous system (PNS). The brain and spinal cord make up the CNS, whereas the somatic and autonomic nervous systems make up the PNS. The neuron, the fundamental building block of the nervous system, is a specialized conducting cell that relays electrochemical nerve impulses from the brain to the rest of the nervous system.
to know more about nervous system check the link given below:
brainly.com/question/3239081
#SPJ1
Basic bodily processes like breathing and digestion are controlled by the nervous system, which is also in charge of sending messages to the body.
Define nervous system.Information is transmitted between the brain, spinal cord, and other body parts via the nervous system, which is a complex network of nerves and cells. If these nerves are working normally, each organ system, including the digestive, immune, and cardiovascular systems, can efficiently communicate with one another.
The nervous system is made up of the peripheral and central nervous systems (CNS and PNS) (PNS). The somatic and autonomic nerve systems make up the PNS, whereas the brain and spinal cord comprise the CNS. The basic unit of the nervous system, the neuron, is a specialized conducting cell that carries electrochemical nerve impulses from the brain to the rest of the nervous system.
to know more about nervous system check the link given below:
brainly.com/question/3239081
#SPJ1
The movement of water out of a cell ,puts the cell into
1.isotonic state
2.hypotonic state
3. Hypertonic state
Answers
Answer:
I think
Explanation:
2 . Hypotonic state
Which one of the below eukaryotic DNA elements affects RNA polymerase II activity?
a. enhancer/activatir sequences
b. sigma factor
c. repressor/silencer sequences
d. two of the above answers are correct
T/F adult humans can be monosimic for autosomes but to havr only one member of the sex chromosome pair is lethal
Answers
The below eukaryotic DNA elements affects RNA polymerase II activity is,
The correct answer is:
a. enhancer/activator sequences
Enhancer/activator sequences are DNA elements that play a crucial role in regulating the activity of RNA polymerase II, the enzyme responsible for transcribing genes in eukaryotic cells. Enhancer sequences bind specific transcription factors that can enhance or activate the transcription of nearby genes by promoting the recruitment and activity of RNA polymerase II.
Regarding the second statement:
False. Adult humans can be monosomic for autosomes (having only one copy of an autosome instead of the usual two), but it is not necessarily lethal. However, having only one member of the sex chromosome pair (monosomy X in females or monosomy Y in males) is often lethal or associated with severe developmental abnormalities.
Learn more about RNA polymerase II from the link given below.'
https://brainly.com/question/29664942
#SPJ4
If the mitochondria and chloroplasts in eukaryotic cells resulted from endosymbiosis between various prokaryotes, what features should these organelles have?.
Answers
Answer:
tkzzykysosy6dsoytoztksita
Rh positive blood is dominant to Rh negative blood. A child with AB negative blood and a child with O negative blood are produced from parents that are A positive and B positive respectively. Show the genotypes of the parents involved in this cross and the resulting Punnett square
Answers
The genotype is a set of genes in DNA responsible for unique characteristics, while the phenotype is the physical appearance or characteristic of an organism.
A Punnet square identifies genotype. It helps in determining the chances of the genotype that the offspring will possess, based on the genotype of parents.
How to find genotype of an offspring based on the genotype of parents?
As discussed above, a Punnet Square helps to identify genotype. Its like a graphical representation of genotype.
The various possible combinations of gametes are made in a tabular format. Here, each box in the table represents one possible fertilization event.
The inherent assumption is that each trait is determined by a single gene locus and that various traits assort independently from one another (Mendel's law of genetics).
Now, in the question above
The genotypes of the parents involved in this cross are A positive (IAIA) and B positive (IBi).
The resulting punnet square would look like this:
A Positive (IAIA) B Positive (IBi)
A Positive (IAIA) AA, AO
B Positive (IBi) AO, BB
Thus, main answer is : The resulting possible genotypes of the children produced from this cross would be AB negative (IAi) and O negative (ii).
To know more about Genotype and phenotype, click on https://brainly.com/question/902712
#SPJ1
TRUE / FALSE. in a lust killing, the stab wounds are often inflicted near the genitals or breasts.
Answers
Which intestinal layer accounts for the action of the peristaltic waves?
A) serosa
B) muscularis
C) submucosa
D) mucous
Answers
The layer that accounts for the action of the peristaltic waves is the muscularis. These muscles contract rhythmically, causing the peristaltic waves that propel the food through the digestive tract.
Correct option is, B. muscularis.
Peristaltic waves are waves of muscular contractions that propel the food through the digestive tract. These waves occur in the layer of the digestive tract known as the muscularis. The muscularis is composed of two layers of smooth muscle, an inner circular layer, and an outer longitudinal layer.
The other layers of the intestine are: Serosa, Submucosa, and Mucous: Serosa: It is the outermost layer of the intestine and is made up of connective tissue and epithelial cells. Submucosa: The submucosa is a layer of tissue beneath the mucous membrane of the digestive tract. It contains blood vessels, nerves, and glands. Mucous: It is the innermost layer of the intestine. It secretes mucus which lubricates the walls of the intestine and protects it from damage.
To know more about peristaltic visit:
https://brainly.com/question/8295519
#SPJ11
If oxygen is not present, anaerobic respiration takes place,
producing _____ ATP molecules.
Answers
Hope this helps
What kind of patient-therapist relationship do you avoid when treating patients?
Answers
there are some general ethical principles and guidelines that therapists follow to maintain a professional and healthy patient-therapist relationship. For instance, therapists are expected to avoid dual relationships, which refer to any relationship between the therapist and the patient that goes beyond the professional boundaries.
Additionally, therapists should not engage in any form of exploitation, abuse, or harassment of their patients. Therapists are also expected to maintain confidentiality and privacy of their patients' information, avoid any biases, judgments, or discrimination, and always prioritize the best interest of the patient.
Overall, the therapist's goal is to create a safe and trusting environment where the patient feels comfortable to express their thoughts, feelings, and concerns without any fear of being judged or stigmatized.
you know more about general ethical principles pls visit-
https://brainly.com/question/29388116
#SPJ11
Which best explains the changes in the seasons?
Seasons change as a result of high temperatures caused by Earth’s tilt and revolution around the sun.
Seasons change as light from the sun hits Earth’s atmosphere and as Earth rotates around the sun.
Seasons change as a result of the temperature decreasing because of Earth’s revolution around the sun. ,
Seasons change due to the amount of sunlight hitting Earth and Earth’s tilt as it revolves around the sun
PLS HELP 100 BRAINLY POINTS
Answers
Explanation: the change in seasons is caused by Earths axis tilt and revolution and position near the sun
You want to study the relationship between daily alcohol consumption and prostate-specific antigen levels. It was suggested that these two parameters have a linear relationship and as you increase your alcohol consumption your prostate-specific antigen level increases. What kind of a linear model would represent this relationship?
Answers
The kind of linear model that would represent this relationship is a positive linear model.
In a positive linear model, as the independent variable (alcohol consumption) increases, the dependent variable (prostate-specific antigen levels) also increases in a linear fashion. This implies that there is a positive correlation between the two variables, suggesting that higher alcohol consumption is associated with higher levels of prostate-specific antigen.
A linear model represents a straight-line relationship between the variables, and in this case, it would show a positive slope. The slope of the line indicates the rate at which the prostate-specific antigen levels increase with each unit increase in alcohol consumption.
By studying this relationship, researchers can gain insights into the impact of alcohol consumption on prostate-specific antigen levels and potentially understand the association between alcohol and prostate health.
However, it is important to note that further research and analysis are necessary to establish a causal relationship and consider other factors that may influence prostate-specific antigen levels.
To learn more about prostate-specific antigen here
https://brainly.com/question/31747328
#SPJ4
Can someone help me with this?
Answers
Answer:
All living things in the picture. Crab, Fish, Algea and grass. A characteristic that makes a goldfish a living thing is that it grows and develops.
Answer:
1. Living: Fish and plants
Nonliving: Rocks and water
2. The goldfish characteristics are it's eyes, tail, mouth, gills, and nose, making it a living creature.
Explanation:
==>> 1. Plants are considered a living specie, along with animals (fish).
==>> 2. Parts of a living organism contains characteristic that helps define the feature of a living organism.
Mr. jones science class is comparing three samples. Mr.jones divided his class up into four groups. Each group was given one of each of the samples to measure the mass. What would be the explanation why group 3's measurements were so different from the rest of the groups
Answers
It could be that group 3 was given a different sample entirely.
Mass measurementThe class was divided into 4 groups, whereas, only 3 samples were to be weighed and compared.
Thus, it could be that group 3 was given another sample that is entirely different from the other groups.
If group 3 was actually given one of the 3 samples, it means that they made a mistake during weighing.
More on weighing can be found here: https://brainly.com/question/13730160
#SPJ1
carries information from sense organs to the central nervous system
Answers
The sensory neurons carry information from sense organs to the central nervous system.
Sensory neurons are specialized neurons that transmit impulses or electrical signals from sensory receptors found in the sense organs (eyes, ears, nose, skin, and taste buds) to the central nervous system (brain and spinal cord).
These neurons have unique sensory receptors that enable them to perceive and react to environmental stimuli such as light, sound, temperature, touch, and smell.
The sensory neurons are the afferent neurons that convey information from the periphery to the central nervous system.
They are responsible for transmitting information about the external environment as well as the internal environment of the body.
The sensory neurons carry information from the sensory receptors located in the sense organs to the central nervous system for processing.
This information is then interpreted by the brain to form a perception of the external environment.
To know more about sensory neurons visit:
https://brainly.com/question/1967609
#SPJ11
The compound Iron (II) sulphate consists of A.Iron and sulphur B. Iron and
silicon C. Iron and silver D. Iron and tin
Answers
Answer:
A. Iron and sulphur
Explanation:
It also contains oxygen
\({ \bf{formula}} : { \sf{FeSO_{4}}}\)
Which of the following statements are ACCURATE regarding homeotic genes and homeotic proteins? Check all that apply.
-Homeotic genes encode transcription factors
-Homeotic proteins bind regulatory regions of genes important in development
-In animals, the order of homeotic genes on a chromosome correlates with their spatial order of expression in the embryo
-The homeodomain of a homeotic protein has an arrangement of alpha-helices that can bind DNA
-Homeotic genes from plants do not contain a homeobox sequence
-Homeotic genes found in mammals are homologous to homeotic genes found in Drosophila
Answers
The accurate statements regarding homeotic genes and homeotic proteins are:
Homeotic genes encode transcription factors.Homeotic proteins bind regulatory regions of genes important in development.In animals, the order of homeotic genes on a chromosome correlates with their spatial order of expression in the embryo.The homeodomain of a homeotic protein has an arrangement of alpha-helices that can bind DNA.Homeotic genes found in mammals are homologous to homeotic genes found in Drosophila.Homeotic genes, also known as Hox genes, are a group of genes that play a fundamental role in the development of organisms. They are responsible for controlling the pattern formation and identity of body segments during embryonic development. Homeotic genes encode transcription factors, which are proteins that regulate the expression of other genes by binding to specific DNA sequences.
Homeotic proteins, also referred to as Hox proteins, are the protein products encoded by homeotic genes. These proteins contain a conserved DNA-binding domain known as the homeodomain. The homeodomain consists of a sequence of about 60 amino acids arranged in three alpha-helices. The homeodomain enables homeotic proteins to bind to specific DNA sequences in the regulatory regions of target genes. By binding to these regulatory regions, homeotic proteins can activate or repress the expression of their target genes, thereby controlling the development and differentiation of cells and tissues in specific body regions.
To know more about homeotic genes
brainly.com/question/31535854
#SPJ11