True or False: Cre/loxP technology can be used to selectively delete target genes in a specific cell type, or to tag a specific cell type with a fluorescent reporter.
Answers
Cre/lox technology can be used to selectively delete target genes in a specific cell type, or to tag a specific cell type with a fluorescent reporter. Thus, the given statement is true.
What is cell?
Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.
Basically, cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.
The unicellular animals are made up of single cell and all the functions carried out in a single cell like amoeba and multicellular organisms are made up of multiple cells and there is specific cell for specific functions.
Therefore,Cre/lox technology can be used to selectively delete target genes in a specific cell type, or to tag a specific cell type with a fluorescent reporter. Thus, the given statement is true.
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Related Questions
When a pair of balanced forces acts on an object, what is the net force that results?
Answers
If the forces on the object are balanced, this means that the individual force cancel out each other resulting in a zero net force acting on the object.
Answer:
Equal to zero
Explanation:
If the forces on the object are balanced, this means that the individual force cancel out each other resulting in a zero net force acting on the object.
Which two organs of a plant interact to cause seedlings to grow upward?
A. Seeds and roots
B. Stems and leaves
C. Leaves and seeds
D. Roots and stems
ts and
Answers
The two organs of a plant that interact to cause seedlings to grow upward are known as Seeds and roots. Thus, the correct option for this question is A.
What is a seedling?A seedling may be characterized as a young sporophyte that significantly develops out of a plant embryo from a seed. The development of the seedling initiates with the germination of seeds.
A typical young seedling consists of three main parts: the radicle (embryonic root), the hypocotyl (embryonic shoot), and the cotyledons (seed leaves).
Vascular plants have two distinct organ systems: a shoot system, and a root system. The shoot system consists of stems, leaves, and the reproductive parts of the plant (flowers and fruits).
Therefore, the two organs of a plant that interact to cause seedlings to grow upward are known as Seeds and roots. Thus, the correct option for this question is A.
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Answer:roots and stems!
Explanation: I got it right
How do living systems, such as sea stars, carry out life functions and respond to changes in their environment?
Answers
Explanation:
Starfish have an extraordinary ability to regenerate any sectioned part; If an arm or part of it is separated, not only the damaged area of the body is regenerated, but the other separated part can develop and regenerate as well, becoming a new individual. We will explain this process later.
Starch and glycogen are types of this macromolecule.
a. carbohydrate.
b. nucleic acid.
c. lipid.
d. protein.
Answers
There are organic compounds like: sugars, starch, cellulose and etc.
in a study of the forces involved when motor proteins
Answers
Motor proteins also produce force locally within the network of cytoskeletal polymers, which transmits these forces to determine the shape of each cell and, ultimately, the architecture of tissues and whole organisms. Chapters 37 to 39 and 44 illustrate how motors move cells and their parts.
its sicence Help asapp will give brainlyist A car traveling 20 m/s has a mass of 1,800 kg. What is its momentum? Show your work and include units.
Answers
The momentum will be 36000kg-m/s as the car is traveling 20 m/s has a mass of 1,800 kg.
What is momentum?In Newtonian mechanics, momentum is calculated as the sum of an object's mass and velocity. It has both a magnitude and a direction, making it a vector quantity.
Mass in motion is quantified by momentum, which is the measure of how much mass is moving. Typically, it is denoted by the letter p.
We know that,
Momentum (p) = mass x velocity.
Here, it is given that,
Mass = 1800 kg
Velocity = 20 m/s
So,
p = 1800 x 20
p = 36000 kg-m/s
Thus, the momentum of the car will be 36000 kg-m/s.
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For a project I needed to ask 25 people : do you think eating meat is bad for the environment?
Answers
Answer:
Yes (It's more inefficient)
Explanation:
in ecology there are things called primary producers (plants) that are eaten by primary consumers (cows and chickens) and then there are humans, secondary consumers, that eat cows and chickens for energy.
The further we move from eating primary producers the more inefficient we become in consuming energy. Meaning, it requires a lot more natural energy consumption to support a human that lives on meat only as compared to a human that eats plants only. this inefficiency only magnifies when communities practice unsustainable food methods.
There are sustainable ways to eat meat, but (at least in the US) our current conventions of meat production are unsustainable and environmentally destructive.
what are the two main organs involved in the respiratory system?
Answers
Answer: The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system.
Explanation: Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood. Common problems include allergies, diseases or infections.
What is the respiratory system?
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
Maintaining homeostasis keeps the internal environment in the body functioning properly. Many organ systems work together and
maintain energy homeostasis. The digestive system is concerned with processing the food that we take in to provide essential
nutrients to the rest of the body. Which of these body systems works most directly with the digestive system in the absorption of
nutrients?
Answers
Answer:
it should be the Small Intestine
1 Understanding Risk a. What does this tell you about the burden of risk? b. What impact does this burden place on you and your family in your everyday life? c. is the doctor wrong to do this, or is it a necessary precaution? d. Is there some way to change this situation?
Answers
a. Understanding risk tells us about the burden of risk. It tells us that there is always a risk involved in every activity, whether it is our day-to-day life or our professional life.
We cannot avoid it completely, and we need to take necessary precautions to avoid the potential risks and make our lives safer. It's our responsibility to manage risk in a better way so that we can live a healthy and happy life.
b. The burden of risk can impact our family's life in many ways, as it creates stress, anxiety, and fear. It's essential to manage the risks effectively and take necessary precautions to minimize the impact of risk on our lives. In our everyday life, we can take simple steps like wearing a seatbelt, following traffic rules, taking proper care of our health, and following safety guidelines to avoid potential risks.
c. The doctor is not wrong to take necessary precautions as it's their responsibility to ensure that their patients are healthy and safe. It's a necessary precaution that every doctor should take to protect their patients from any potential harm.
d. Yes, there is a way to change this situation. We can take necessary precautions, manage risk better, and follow the safety guidelines to minimize the impact of risk on our lives. We can educate ourselves and our families about the potential risks and how to avoid them. We can also seek professional help and advice from doctors, risk management experts, and other professionals to manage risk effectively.
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a tall, violet plant is crossed with a dwarf, white plant and all of the offspring are tall, violet. the f1 plants are selfed to produce the f2 generation. what fraction of the f2 generation would you expect to be dwarf, violet? (assume independent assortment.) a. 3/4 b. 9/16 c. 3/16 d. 1/16
Answers
The F2 generation of dwarf violet would be 3/16.
C is the correct answer.
This dihybrid cross is usual. Due to the homozygosity of both parents, two distinct types of gametes—TV and (tv)—will be produced. The genotype (TtVv) will be heterozygous in the F1 plant. The F1 plants produce four different types of gametes: (TV), (TTV), (tTV), and (tTV).
The ratio of phenotypes in the F2 progeny is 9:3:3:1. One (TTvv) and two (Ttvv) of these dwarf plants had violet, making a total of three recombinants that are produced three times per sixteen progenies.
A mating experiment between two organisms that are equally hybrid for two traits is referred to as a dihybrid cross. A heterozygous organism is one that possesses two distinct alleles at a certain genetic location, making it a hybrid.
A phenotypic ratio is a numerical comparison of two phenotypes that demonstrates how frequently the occurrence of one trait corresponds with another. The phenotypic ratio produced from a test cross is used by researchers to determine the gene expression for generations of an organism.
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The pH of a solution determines the charge of certain R groups. The pH of pineapple fruit ranges from 3.5 to 5.2. Predict the effect on the activity of bromelain if it is used in a product with a pH of 11.
Answers
Answer:
The activity of Bromine will reduce
Explanation:
Bromine is found in pineapple stem with pH range of 3.5- 5.2 this implies that the environment where bromine is found is acidic hence when taken to a product whose pH is 11 which is basic then its performance will be low because its can only function well in an acidic medium.
pH ranges tell whether a substance is acidic, basic or neural.
Acid range from 3.5-6
7- neutral
8 above is basic
This is about knowing the behaviour of some elements in different PH Values.
The activity of bromelain will decrease in a product with a pH of 11. .
We are told that the PH of pineapple fruit is of the range of 3.5 - 5.2. In reality, this also includes it's stems and the plants as well. This falls into the acidic range because PH less than 7 is acidic.Now, these stems, plants and fruits of pineapple usually contain bromelain. This implies that bromelain does its' work in an acidic environment since pineapple has an acidic PH.If bromelain is used in a product with a PH of 11, it means it is being used in a basic environment because a PH greater than 7 indicates a basic nature. This means bromelain will not function as well as it did in the acidic environment and as such the activity of bromelain here would decrease.We can now conclude that the activity of bromelain will decrease in a product that has a PH of 11.
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In ______, two dna double helices are synthesized from one dna double helix molecule when it unwinds and complementary nucleotides are added to the exposed unpaired bases.
Answers
In DNA replication, two DNA double helices are synthesized from one DNA double helix molecule when it unwinds and complementary nucleotides are added to the exposed unpaired bases.
What is DNA replication ?A double-stranded DNA molecule is duplicated to create two identical DNA molecules through the process of DNA replication. Because every time a cell splits, the two new daughter cells must have the same genetic material, or DNA, as the parent cell, replication is a crucial process.
The fundamental mechanism of DNA replication is similar across all species, making it a crucial operation.
Prokaryotic cells' cytoplasm and eukaryotic cells' nuclei are where DNA replication takes place. The fundamental steps of DNA replication are the same wherever it takes place. DNA replication is made simple by the DNA structure. The double helix has two opposing (anti-parallel) directions running through it.
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Which of the following is NOT a characteristic of all living things?
Answers
Answer:
Ability to move is the answer
Answer:
ability to move
Explanation:
imagine a human-like species where red hair is recessive, and black hair is dominant. if two parents are red-haired, what is the chance their child will have black hair?
Answers
Your DNA, or genetic material, is divided up into discrete units called genes. Your hair colour and other characteristics that make you who you are are determined by your genes. Alleles are various variants of a gene.
So, let's assume that a single gene determines a person's hair colour. This gene's several alleles include "blonde hair," "red hair," and "brown hair." Brown hair results from having the gene's brown allele. You have blonde hair if you carry the blond allele. Additionally, if you carry the red gene, your hair is red.
However, it's not so easy because each gene has more than one allele. Actually, you have two: one from each parent, your mother and father. Red or blonde hair's DNA is not as robust as brown hairs. Your two alleles must both be blonde in order to have blonde hair. Red hair is the same way. These qualities are recessive. Red and blonde hair have DNA that is almost equal in strength. Those with two types of DNA frequently have strawberry blonde hair.
The genotype of the parents must be Hh. Since they had a kid with a recessive trait with 2 parents who have the dominant trait, they both must carry the recessive trait. The probability was 1/4 or 25%. They possible genotypes are HH,Hh,hH,hh.
Therefore, these are all controlled by the genes of the parents.
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are the genes determining the three traits assorting independently of each other? why/why not? use the probability associated with your chi square value to support your answer.
Answers
Answer:
why not
Explanation:
Why is it important for carbon to be recycled in an ecosystem?
A.
Recycling carbon allows organisms to create less carbon.
B.
If carbon isn't recycled, there will be too much of it on Earth.
C.
Recycling carbon allows organisms to create more carbon.
D.
The carbon cycle is a closed system, and recycling carbon is the only way to replenish it for an ecosystem.
Answers
It is important for carbon to be recycled in an ecosystem because Option D: The carbon cycle is a closed system, and recycling carbon is the only way to replenish it for an ecosystem.
Carbon is an essential element for life on Earth, and its cycling through ecosystems is crucial for maintaining the balance of carbon availability and regulating various processes. The carbon cycle involves the movement of carbon between the atmosphere, land, oceans, and organisms. Here's why it is important for carbon to be recycled in an ecosystem:
Energy Flow: Carbon is a key component of organic molecules, such as carbohydrates, fats, and proteins, which serve as energy sources for living organisms. Through processes like photosynthesis and respiration, carbon is converted into energy-rich compounds and transferred from producers (plants) to consumers (animals) in a food web.
Nutrient Cycling: Carbon is interconnected with other essential elements, such as nitrogen, phosphorus, and sulfur, in biogeochemical cycles. These cycles involve the uptake, transformation, and release of nutrients by various organisms. When organisms die, decomposers break down their organic matter, releasing carbon back into the environment. This process, known as decomposition.
Climate Regulation: Carbon dioxide (CO2), a form of carbon, is a greenhouse gas that plays a critical role in regulating Earth's climate. Through photosynthesis, plants remove CO2 from the atmosphere and store it as organic carbon compounds. This process helps mitigate the greenhouse effect, reducing the concentration of CO2 and stabilizing global temperatures.
In summary, the recycling of carbon in an ecosystem is crucial because it sustains energy flow, facilitates nutrient cycling, and contributes to climate regulation. By maintaining a balance in carbon availability, ecosystems can support the growth, development, and survival of organisms, as well as the overall stability of the planet. Therefore, Option D is correct.
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control of skeletal muscle is the responsibility of: question 30 options: a somatic motor neuron. a preganglionic neuron. an autonomic ganglion. a postganglionic neuron.
Answers
A somatic nerve cell is responsible for controlling skeletal muscle.
This is the somatic nervous system manages the movement of skeletal muscles. The motor cortex is the origin of conscious movement control (both premotor and primary motor cortex). However, the cerebellum and extrapyramidal parts of the CNS, among other organs, refine and coordinate movement. The muscles that are linked to the bones of the skeleton move the skeleton. Skeletal muscles are under the supervision of the nervous system system's (CNS') peripheral division.A somatic nerve cell is responsible for controlling skeletal muscle. These muscles are therefore managed by conscious, or voluntary, thought. The somatic nervous system is a part of the peripheral nervous systems that is involved in the voluntary regulation of skeletal muscle movement.
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Homeostasis control in living things is exerted over all of the followingexcept . (a)Temperature (b) moisture level (c) response two stimuli (d) acidity level.
Answers
Homeostasis control in living things is exerted over all of the following except response to stimuli. The correct answer is C.
Homeostasis is the ability of a living organism or cell to maintain a stable internal environment despite changes in external conditions. It involves the regulation of various physiological parameters, such as temperature, pH, fluid balance, moisture level, acidity level, and glucose levels, through feedback mechanisms that help to maintain a balanced and stable state.
This allows the organism or cell to function optimally and respond effectively to environmental challenges or changes. Homeostasis is essential for survival and is maintained by complex physiological and biochemical processes that work in harmony to keep the internal environment within a narrow range of acceptable levels.
However, the response to stimuli, such as sensory input from the environment, is not directly controlled by homeostatic mechanisms but by other physiological processes such as reflexes, sensory perception, and decision making in the brain.
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Right now, is the equatorial Pacific in El Nino, Normal, or La
Nina conditions? How do we know? Use evidence from the website and
your knowledge of ENSO cycles to support your answer.
Answers
Currently, the equatorial Pacific is in La Niña conditions. This conclusion can be supported by evidence from relevant websites and knowledge of ENSO (El Niño-Southern Oscillation) cycles.
La Niña conditions are characterized by cooler-than-average sea surface temperatures in the central and eastern equatorial Pacific. To determine the current state of the equatorial Pacific, one can refer to official sources such as the National Oceanic and Atmospheric Administration (NOAA) or the International Research Institute for Climate and Society (IRI), which regularly monitor and report on ENSO conditions.
By analyzing the sea surface temperature anomalies, atmospheric pressure patterns, and wind patterns in the equatorial Pacific, these organizations can provide an assessment of the ENSO state. Additionally, historical data and long-term climate models help in predicting and monitoring the progression of ENSO events.
Based on the most recent reports and data analysis, if the official sources indicate below-average sea surface temperatures and other La Niña indicators in the equatorial Pacific, it can be concluded that the region is currently experiencing La Niña conditions.
In summary, the equatorial Pacific is currently in La Niña conditions, as evidenced by the observations and reports from reputable sources that monitor ENSO patterns and analyze sea surface temperatures, atmospheric pressure, and wind patterns in the region.
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A ______ organism is an organism that has been engineered to contain ______ dna.
Answers
A transgenic organism is an organism that has been engineered to contain recombinant DNA.
.An organism or cell is referred to as transgenic if its genome has been transformed by the intentional introduction of one or more foreign DNA sequences from another species. In the lab, transgenic organisms are created for scientific investigation.
Transgenic. Genetic research has traditionally employed transgenic animals. They were used to show that oncogenes may cause cancer and that DNA is the molecule that contains the genetic code. To better comprehend typical physiological processes like metabolism and blood cell formation, transgenic animals have been created. Transgenic animals have been used to discover new medicines and simulate human illnesses. There are transgenic plants that grow more quickly and are resistant to infectious illnesses.
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How do scientists classify the layers of the atmosphere?
Answers
Answer:
The atmosphere can be divided into layers based on its temperature, as shown in the figure below. These layers are the troposphere, the stratosphere, the mesosphere and the thermosphere. A further region, beginning about 500 km above the Earth's surface, is called the exosphere.
Explanation:
Answer:
Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.
What is a gene? Describe the function, structure, and location of genes within the cell.
Answers
Answer:
Genes are a section of DNA that are in charge of different functions like making proteins. Long strands of DNA with lots of genes make up chromosomes. DNA molecules are found in chromosomes. Chromosomes are located inside of the nucleus of cells.
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A group of students wanted to compare the rate of respiration in four different fruits, as well as in tomatoes.
a. For this experiment, state the independent variable and the dependent variable, and suggest one variable
that should be fixed.
Answers
In this case, the dependent variable is the rate of respiration, the independent variable is the type of plant (either fruit or tomatoes), whereas a fixed variable may be the temperature.
What is a dependent variable?A dependent variable is any type of experimental condition that is modified during the experiment.
Conversely, independent variables do not change along the experimental procedure (e.g., type of plant).
Finally, a fixed variable, also known as a control variable, is any condition that remains stable during the experimental procedure (in this case, for example, room ambient temperature).
In conclusion, the dependent variable is the rate of respiration.
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Which hazard are we more likely able to predict? Tornado or earthquake. Explain your answer.
Answers
Answer:
awsten knight
Explanation:
1. In this process, plants use the energy of sunlight to convert water and
carbon dioxide into high-energy carbohydrates (sugars and starches), and
oxygen as a waste product
a. Calvin cycle
O b. photosynthesis
c. light-dependent reactions
d. cellular respiration
Answers
Answer:
Photosynthesis
Explanation:
How are ATP molecules used to power cell processes and what happens to ATP when it is used?
Answers
Answer:
Explanation:
ATP is able to power cellular processes by transferring a phosphate group to another molecule (a process called phosphorylation). This transfer is carried out by special enzymes that couple the release of energy from ATP to cellular activities that require energy
HOPE IT HELPED YOUCan i get some help on this
Answers
Part C What is the name of the chemical that is branched?
Answers
Answer:
Many alkanes are so-called branched alkanes.
Answer:
The name of the branched chemical is isopropyl cyanide.
Explanation:
1. In your own words explain how the BJT is designed to produce
a high current gain, i.e. explain transistor action.
2. Test your knowledge of transistor action by explaining it to
a naïve person, pe
Answers
BJT is short for Bipolar Junction Transistor.
BJT is a three-layer semiconductor device composed of two pn-junctions, which can conduct both holes and electrons. The high current gain that a BJT produces is due to transistor action.
BJT is designed to produce a high current gain in the following manner:
BJT is made up of two types of semiconductors, p-type and n-type.
The p-type is sandwiched between two n-type semiconductors in NPN transistor, while the n-type is sandwiched between two p-type semiconductors in PNP transistor.
There are two p-n junctions in BJT that allow both holes and electrons to pass through.
The transistor action can be described as follows:
A transistor is a three-layer semiconductor device that has two p-n junctions in its center. The center layer, or base, is thinner than the other two, which are the emitter and the collector.
The emitter and collector are both connected to external circuits, while the base is not.
When a voltage is applied across the base, a current flows through the emitter and collector.
The current is amplified by the transistor, which increases the current gain.
There are two types of transistor action: PNP and NPN.
PNP: The emitter is negatively charged relative to the base, and the collector is positively charged. When a positive voltage is applied to the base, electrons from the emitter are drawn towards the base. Holes in the base are pushed towards the emitter by the voltage. Electrons from the base move towards the collector, where they combine with holes.NPN: The emitter is positively charged relative to the base, and the collector is negatively charged. When a positive voltage is applied to the base, electrons from the base are attracted towards the emitter. Holes from the emitter are attracted towards the base by the voltage. Electrons from the emitter move towards the collector, where they combine with holes.Therefore, the high current gain that a BJT produces is due to transistor action.
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