Which are the three tools of biotechnology?
A. carbohydrates, proteins, and fats
B. cells, proteins, genes
C. cells, proteins, carbohydrates
Answers
Answer:
A because these are three tools og biotechnology i know
Related Questions
List out any 3 adaptations observed in aquatic plants
Answers
Answer:
simple
Explanation:
1. Possession of light broad leaves to keep them afloat
2. Possession of chloroplast on the leaves surface so that they can trap sunlight
Fill in the chart for the three different cities. Use the graph below to find how far
each city is from the epicenter
Answers
the fibrous pericardium is attached to both the ______ and the base of the ______ vessels.
Answers
Answer:diaphragm; great
Explanation:
The conical-shaped pericardium is made of fibrous tissue. The main vessels' roots and the apex of the heart are connected at its base. The centre fibrous portion of the fused diaphragm is on top of its broad base.
The fibrous pericardium is affixed to what.a fibrous pericardium This is the pericardium's tough, outermost layer. It is formed of connective tissue that limits the excessive expansion of your heart.
Is the myocardium connected to the fibrous pericardium?The pericardial fibrous layer is a thick, crooked connective tissue sac. The diaphragm is covered by its base, which is fastIt fastens to your central diaphragm tendon and major vessels (at the top of your heart) (at the bottom of your heart).
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Which terms best describe the class of questions that insel and young were addressing when they studied the effect of antidiuretic hormone on monogamous voles by experimentally increasing the number of receptors in the brain?.
Answers
The class of questions Insel and Young were attempting to answer when they investigated the impact of antidiuretic hormone are best described in proximate, mechanistic terms.
The event closest to or most directly responsible for the effect seen is referred to as the proximate cause. The "real" cause of an occurrence, on the other hand, is occasionally regarded as a more important ultimate cause (also known as a distal cause).
The mechanism is the physiology of behavior. Tinbergen referred to this as "causation." These are the mechanical justifications for how specific physiological traits in animals function and influence behavior. One way to do this is to identify the hormones and neurotransmitters that influence behavior.
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asphyxia due to obstruction of airway by food bolus complicating acute alcohol intoxication is called___
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Acute alcohol intoxication is a condition related to drinking an excess of liquor in a short measure of time. It's additionally called liquor harming.
Acute alcohol intoxication is a clinically destructive condition that typically follows the ingestion of a lot of liquor. Clinical indications are heterogeneous and include various organs and mechanical assemblies, with conduct, cardiovascular, gastrointestinal, aspiratory, neurological, and metabolic impacts.
An enormous extent of the ethanol in alcohol is consumed into the blood from the stomach and the rest from the small digestive system. 7 The more drawn-out liquor stays in the stomach, the more it takes to be assimilated, bringing down the pace of inebriation.
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determine which events will increase the concentration of lac gene products and which will decrease the concentration of lac gene products.
Answers
The concentration of lac gene products can be increased or decreased based on different events, including inducing gene expression, increasing the amount of the gene, degradation, and deactivation of the promoter.
One way to increase the concentration of lac gene products is by inducing gene expression with an inducer such as IPTG. This inducer binds to the lac repressor protein, preventing it from attaching to the operator region of the gene and blocking transcription. As a result, transcription is allowed to proceed and the gene products are synthesized.
Another way to increase the concentration of lac gene products is by increasing the amount of the gene itself. This can be done through the process of transformation, where a foreign gene is inserted into a cell. The foreign gene is integrated into the cell's genome and its products are expressed as normal.
On the other hand, the concentration of lac gene products can be decreased through degradation or through deactivation of the promoter. Degradation occurs when the gene products are broken down by proteases, while deactivation of the promoter occurs when a repressor protein binds to it and blocks transcription.
In conclusion, different events can either increase or decrease the concentration of lac gene products, including inducing gene expression, increasing the amount of the gene, degradation, and deactivation of the promoter.
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Pls help me thx alot
Answers
Answer:
I want to say Disruptive.
Explanation:
please tell me if wrong! hope this helps!
Compare the two ways in which earth was supplied with enough water to have an ocean. Which is likely to have contributed most of the water on Earth?
Answers
Answer:
One possible way is that the Earth held onto some water when it formed, as there would have been ice in the nebula of gas and dust (called the proto-solar nebula) that eventually formed the sun and the planets about 4.5 billion years ago. Another possible way is that some of that water has remained with the Earth, and might be recycled through the planet's mantle layer. I believe the proto-solar nebula is the most reasonable way since the features of all planets are brought by the elements that formed them; in this case, it was the nebula of gas and dust.
Explanation:
Hopefully this helped! :)
In the human body, the circulatory system transports and deliver
substances. Within the cell, which organelle performs a similar function? *
Mitochondria
Nucleus
Cytoplasm
O Endoplasmic Reticulum
Answers
Please help will mark brainliest
Which of the following best describes a human sperm cell? (3 points)
A haploid cell formed in the male testes
A diploid cell formed in the male testes
A haploid cell formed in the male penis
A diploid cell formed in the male penis
Answers
A haploid cell formed in the male seminiferous tubules
The reproductive tissues of male and female humans develop similarly in utero until a low level of the hormone testosterone is released from male gonads. Testosterone causes the undeveloped tissues to differentiate into male sexual organs. Primitive gonads become testes; other tissues produce a penis and scrotum in males.
Match each biological factor with its influence on sexual behavior.
1.) Testosterone
2.) Estrogen
3.) Hypothalamus
4.) Gonads
1.) An androgen hormone associated with sexual desire in males and females
2.) Class of hormones that are present in higher levels in women than in men
3.) Brain region that controls the release of sex hormones
4.) Part of the body that secretes the sex hormones
Answers
1.) An androgen hormone associated with sexual desire in males and females- testosterone
2.) Class of hormones that are present in higher levels in women than in men - estrogen
3.) Brain region that controls the release of sex hormones- hypothalamus
4.) Part of the body that secretes the sex hormones- gonads
A putative male chemo-signal called androstadienone has been linked to sex variations in hypothalamic activity in adult heterosexual men and women. We used functional magnetic resonance imaging to examine the hypothalamic responsiveness to this chemo-signal in 39 pre-pubertal and 41 adolescent boys and girls in order to determine if puberty moderated this sex difference in response to androstadienone. The next step was to determine whether the sex-atypical (in accordance with the experienced gender) rather than the sex-typical (in accordance with the natal sex) hypothalamic activations during androstadienone-induced olfactory stimulation were present in the 36 pre-pubertal children and 38 adolescents with gender dysphoria (GD; DSM-5) diagnoses.
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Think about "No Driver? No Problem!" What is meant by "real-time adjustments"?
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In the context of "No Driver? No Problem!" the phrase "real-time adjustments" refers to the ability of an autonomous vehicle or system to make immediate and dynamic changes based on real-time information and feedback from its surroundings.
It means that the vehicle can continuously analyze and respond to the current conditions, such as road conditions, traffic patterns, and obstacles, in order to navigate safely and efficiently. Real-time adjustments involve using sensors, algorithms, and artificial intelligence to interpret data and make instant decisions, allowing the autonomous system to adapt and optimize its actions in real-time without human autonomous .
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The plasma membrane is like the _______ of the cell.
Select one: a. face b. voice c. heart d. skin
Answers
What experimental evidence led to the development of this atomic model from the one before it?
A few of the positive particles aimed at a gold foil seemed to bounce back.
The colors of light emitted from heated atoms had very specific energies.
Equations were used to identify regions around the nucleus where electrons would likely be.
Cathode rays were bent in the same way whenever a magnet was brought near them.
Answers
Answer:
The answer is A) A few of the positive particles aimed at a gold foil seemed to bounce back.
Explanation:
I took the test ;-P
A few of the positive particles aimed at a gold foil seemed to bounce back is the evidence led to the development of this atomic model from the one before it. Thus, option A is correct.
What is atomic model ?
Atomic model is defined as most matter consists of molecules that can be separated very easily and molecules are made up of atoms joined by chemical bonds that much tough to break.
There are five atomic models and they are mentioned below:
J.J. Thomson's model which is also known as plum pudding model.Ernest Rutherford's model also known as nuclear model.Niels Bohr's model also known as planetary modelErwin Schrodinger's model also known as electron cloud model or quantum modelJohn Dalton's atomic model which is also known as dalton's billiard ball model.John Dalton in the year 1808 discovered atom for the first time and the first atomic model was Thomsan atomic model.
Therefore,a few of the positive particles aimed at a gold foil seemed to bounce back is the evidence led to the development of this atomic model from the one before it. Thus, option A is correct.
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why do you think people that are homozygous (tt) for the dominant allele have a much stronger bitter taste?
Answers
Which of these statements best describes the structure of a gene?
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A gene is a short segment of DNA that codifies an specific protein.
A scientist takes a cell from one cow and an egg from a second cow. The scientist removes the DNA from the egg and replaces it with the DNA from the first cow. The scientist’s goal is to produce a baby cow with DNA that is identical to the first cow.
Which best describes this scenario?
genetic engineering
gene therapy
cloning
selective breeding
Answers
Answer:
Cloning I'm pretty sure
Explanation:
Answer:
Cloning
Explanation:
Which of the following is a characteristic of amphibians but not reptiles? a. amniotic egg b. backbone c. larval stage d. rough, dry skin
Answers
Answer:
C
Explanation:
The amphibian larva represents a morphologically distinct stage between the embryo and adult. The larva is a free-living embryo. ... Not long after emerging from their egg capsules, larval salamanders, which have four fully developed limbs, start to feed on small aquatic invertebrates.
The mitochondria _____.
converts chemical energy from food into ATP
be responsible for protein synthesis
has a folded inner membrane called cristae
is enclosed by two membranes
stores lipids and steroids
Answers
Answer:
The correct answers would be A, converts chemical energy from food into ATP, C, has a folded inner membrane called cristae, and D, is enclosed by two membranes.
Explanation:
I hope this helps you:)
Answer:
A
Explanation:
Question 14 (2 points) The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called natural selection. O mutation. genetic drift. migration.
Answers
The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.
Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.
Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
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1. For something to be considered living it must have what 7 characteristics
Answers
Answer: Movement, breathing or respiration, excretion, growth, sensitivity and reproduction.
Explanation: "There are seven characteristics of living things: movement, breathing or respiration, excretion, growth, sensitivity and reproduction. Some non-living things may show one or two of these characteristics but living things show all seven characteristics."
Hope it helps <3
Answer:
responsiveness to the environment;
growth and change;
ability to reproduce;
have a metabolism and breathe;
maintain homeostasis;
being made of cells; and.
passing traits onto offspring.
Which two major parts of the earth system does this photo most clearly show?
Answers
Answer:
Geosphere, Hydrosphere
Explanation:
The geosphere is the earth itself: the rocks, minerals, and landforms of the surface and interior.
The Hydrosphere is all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
Which is a disadvantage of asexual reproduction?
mutation accumulation
genetic variation
slow reproduction process
mate required
Answers
Answer:
A. mutation accumulation
Explanation:
I took the test.
Answer:
a
Explanation:
What is the most likely reason sphingomyelinase can quickly respond to a toxin that facilitates calcium entry into the cell? Sphingomyelinase is recruited to the membrane by specific phospholipids Sph
Answers
This recruitment allows the enzyme to be readily available at the membrane, where it can interact with its substrate and initiate cellular signaling pathways in response to the toxin-induced calcium influx.
The most likely reason that sphingomyelinase can quickly respond to a toxin that facilitates calcium entry into the cell is due to its recruitment to the membrane by specific phospholipids called sphingomyelins.
Sphingomyelinase is an enzyme that hydrolyzes sphingomyelin, a specific type of sphingolipid found in cell membranes. Sphingomyelinase activation can be triggered by various factors, including cellular stress, pathogens, or toxins.
When a toxin facilitates calcium entry into the cell, it can disrupt the normal calcium homeostasis, leading to an increase in intracellular calcium levels. This increase in calcium can serve as a signaling mechanism to activate sphingomyelinase.
Specific phospholipids, such as sphingomyelins, play a crucial role in recruiting sphingomyelinase to the cell membrane. These phospholipids act as binding sites for sphingomyelinase and help localize the enzyme to the appropriate cellular compartments. Therefore, when the toxin-induced calcium entry occurs, sphingomyelinase can quickly respond by being readily available at the membrane to interact with its substrate, sphingomyelin.
Once activated, sphingomyelinase catalyzes the hydrolysis of sphingomyelin into ceramide and phosphorylcholine. This reaction generates ceramide, a bioactive lipid involved in various cellular processes, including cell signaling, apoptosis (programmed cell death), and inflammation. The rapid response of sphingomyelinase to a toxin-induced increase in intracellular calcium levels allows for the timely production of ceramide, facilitating downstream signaling events and cellular responses to the toxin.
In summary, sphingomyelinase can quickly respond to a toxin that facilitates calcium entry into the cell due to its recruitment to the membrane by specific phospholipids, such as sphingomyelins. This recruitment allows the enzyme to be readily available at the membrane, where it can interact with its substrate and initiate cellular signaling pathways in response to the toxin-induced calcium influx.
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An oceanographer discovered a deep underwater opening as shown in the illustration. The scientist classifies this as a mid-ocean ridge. Is the scientist correct or incorrect and why or why not?
the Oceanic Crust slipping below the Continental Crust.
© 2016, University of Wisconsin Board of Regents
He is incorrect. Mid-ocean ridges are sites of frequent volcanic activity.
He is incorrect. Mid-ocean ridges are sites of divergent oceanic plates.
He is correct. Mid-ocean ridges are flat areas at the foot of continental shelves.
He is correct. Mid-ocean ridges are ancient volcanoes whose tops have eroded away.
Answers
A.He is incorrect. Mid-ocean ridges are sites of frequent volcanic activity.
B.He is incorrect. Mid-ocean ridges are sites of divergent oceanic plates.
C.He is correct. Mid-ocean ridges are flat areas at the foot of continental shelves.
D.He is correct. Mid-ocean ridges are ancient volcanoes whose tops have eroded away.
The correct option is D.
Mid ocean ridges refers to an underwater mountain system that is formed by plate tectonic.Mid ocean ridges are formed when convention current arise in the mantle under the oceanic crust and from a magma,where two tectonic plates come together at aboundary
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Answer: He is correct. Mid-ocean ridges are ancient volcanoes whose tops have eroded away
Explanation:
Particles of the ground that have a lot of energy can do two different things with this energy. What are these two things?
Answers
Answer:
The energy associated with an object’s motion is called kinetic energy.
the energy associated with the constant, random bouncing of atoms or molecules. This is also called thermal energy
which process of genetic recombination involves genes from both parents?crossing overindependent assortmentfertilizationtetrad formation
Answers
The Fertilization is the process of genetic recombination involves genes from both parents.
Fertilization is described because the union of gametes. During fertilization, sperm and egg fuse to shape a diploid zygote to provoke prenatal development. In mammals, fertilization entails a couple of ordered steps, which includes the acrosome reaction, zona pellucida penetration, sperm–egg attachment, and membrane fusionGenetic fertilization is the procedure of fertilization of male gametes with the oospore.
It includes numerous elements that include - synergids, egg, crucial cee, antipodals, etc. Synergids - They are haploid cells that shape finger-like projections.Fertilization may be described because the union of haploid gametes, the spermatozoa and the oocyte, hereto known as egg, to repair the diploid state, shape a zygote via the procedure of egg activation, and start a chain of mitotic divisions that outcomes in mobileular differentiation and embryo development.
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what does each phases of mitosis do in 2 short sentences each
Answers
Answer:
it can not be in 2 sentece
1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres 2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell) 3) Anaphase: sister chromatids are pulled to opposite poles of the cell 4) Telophase: nuclear envelope .
How do some chemicals increase the risk of a person getting cancer ?
A. By causing an increase of toxins in the skin
B. By causing cell mutations
C. By causing a deficiency of vitamin D
D. By causing a decrease in the immune response
Answers
Some chemicals increase the risk of a person getting cancer by causing cell mutations. Hence, option B is correct.
What do you mean by Mutations?Mutations may be defined as the sudden, stable, and inheritable change in the genetic material of the living entities.
Chemicals like ethidium bromide, acridine orange, benzopyrene, etc are carcinogens, i.e. the agents of causing cancer.
These agents are responsible for causing mutations in the cell which leads to cancer.
Therefore, some chemicals increase the risk of a person getting cancer by causing cell mutations.
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As the human population increases, which challenge will most likely be addressed through biology?
○ mining more mineral resources
○ increasing food production
○ manufacturing new types of synthetic clothing
○ preserving large numbers of historical documents