Answer:
Genetics
Explanation:
Genetics is the study of genes , heredity and variation
All the radiation absorbed in the Earth's atmosphere is absorbed in the stratosphere.
Please select the best answer from the choices provided
OT
OF
vit
Next
Submit
Answer:
False
Explanation:
I literally got it wrong on the quiz
Answer:
The answer is false
Explanation:
i took the test
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What is the control center that houses DNA?
Answer:
The nucleus
The nucleus is the control center of the cell, and houses genetic information.
Explanation:
In the Agarose Gel Electrophoresis and Molecular Clocks lab, we analyze a Polymerase Chain Reaction (PCR) product by using _____________.
In the Agarose Gel Electrophoresis and Molecular Clocks lab, we analyze a Polymerase Chain Reaction (PCR) product by using agarose gel electrophoresis.
Agarose gel electrophoresis is a technique used to separate DNA fragments based on their size. In the lab, the PCR product is mixed with a loading dye and loaded into wells in the agarose gel. An electric current is applied across the gel, causing DNA fragments to migrate towards the positive electrode.
The DNA fragments move at different speeds depending on their size, with smaller fragments moving faster than larger ones. Once the electrophoresis is complete, the gel is stained with a DNA-specific dye, and the separated DNA fragments can be visualized under UV light. This allows for the analysis of the PCR product in terms of size, which helps in identifying specific genes or genetic variations.
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Why mitochondria is the Power House of the cell??
Where do carnivorous plants typically exist? a. In areas with limited carbon dioxide
b. In areas with inadequate amounts of soil
c. In areas with adequate amounts of soil
d. In areas with limited oxygen
e. In areas with limited nitrogen
f. In areas with little water
Answer:
So it would be B since the areas have inadequate amounts of soil.
Explanation:
The habitats of carnivorous plants are varied but usually involve wet, low-nutrient sites including bogs, swamps, waterbodies, watercourses, forests and sandy or rocky sites.
what is it called when an mRNA strand is not copied correctly??
Answer:
It is called a genetic mutation whenever a mRNA strand is not copied correctly. This leads to things like cancer or tumors.
Define polar molecule or polarity.This is not a test question, could you please simplify the response to as few sentences as possible?
Polarity is caused by electronegativity. Electronegativity is the ability of an atom to attract electrons and when in a molecule there is a region of low electronegativity and a region of high electronegativity we say that the molecule is polar.
Question 3 of 10
Which statement best describes the law of conservation of energy?
A. Energy is neither destroyed nor created during energy
transformations.
B. The total energy in an isolated system can only decrease.
C. Energy can be destroyed only in open systems.
D. Energy cannot change forms in closed systems.
Answer:
Your answer should be A) Energy is neither destroyed nor created during energy transformations.
Explanation:
In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. Hope this helped and it was correct :)
what is simple reflection
Explanation:
those reaction which occur in simple way is called simpley reaction
In what way have humans been applying the principles of heredity for millennia?.
Humans have been applying the principles of heredity for millennia. They have been able to control the breeding of animals and plants since ancient times. They chose the best animals or plants to breed, ensuring that their offspring will have desirable traits or characteristics.
Over time, they were able to improve the yields of crops and the quality of livestock through selective breeding. In addition, people have also applied the principles of heredity to themselves through selective breeding in humans. They chose partners with desirable traits and characteristics to produce offspring with these same qualities.Long answer:Humans have applied the principles of heredity in several ways throughout history. One of the earliest examples is the domestication of animals, where humans selectively bred wild animals with desirable traits to create a new breed. This process has resulted in a wide variety of domesticated animals, such as dogs, cats, and horses. People also selectively bred plants for desirable traits, leading to the development of many new plant varieties.In addition, humans have used heredity principles to improve the quality of livestock. For example, farmers may breed cows with the best milk production or bulls with the best meat quality.
This selective breeding has resulted in increased yields and improved quality of livestock over time.Similarly, humans have applied heredity principles to themselves. In many cultures, people used to practice selective breeding by choosing partners with desirable traits to produce offspring with these same qualities. For example, ancient Egyptian pharaohs practiced sibling marriage to keep the royal bloodline pure. In some cultures, there were even laws that mandated the selection of marriage partners with specific traits, such as intelligence or physical strength.Today, humans continue to apply the principles of heredity in a variety of ways. Genetic engineering, for example, allows scientists to manipulate genes to produce desired traits in plants and animals. This has led to the development of new crop varieties that are resistant to pests or tolerant of drought conditions. It has also led to the creation of new breeds of animals with desirable traits, such as glow-in-the-dark fish.Overall, the principles of heredity have been applied by humans for thousands of years to improve the quality and productivity of crops and livestock and even to enhance human qualities Humans have been applying the principles of heredity for millennia. They have been able to control the breeding of animals and plants since ancient times. They chose the best animals or plants to breed, ensuring that their offspring will have desirable traits or characteristics Over time, they were able to improve the yields of crops and the quality of livestock through selective breeding. In addition, people have also applied the principles of heredity to themselves through selective breeding in humans. They chose partners with desirable traits and characteristics to produce offspring with these same qualities.
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Please help me
What determines if an ocean current is warm or cold- short answer
THIS IS SCIENCE PLEASE HELP ME I GIVE BRAINYLIST
Answer:
Currents originating in low latitudes near the equator tend to carry warmer water. Currents originating in high latitudes near the north or south pole tend to carry colder water.
Explanation:
Brainiest please
What is the genotype distribution for the PV92 Alu insertion? (ie, percentage of homozygous and heterozygous individuals on the gel)? d. (1 pt) Alleles indicate different forms of the same gene. How many different band sizes are showing up on the gel? How many VNTR alleles do you think are present in the students population?
The question has four sub-parts. Here are the answers to the subparts. (1 pt) Alleles indicate different forms of the same gene.
How many different band sizes are showing up on the gel? The number of different band sizes showing up on the gel cannot be determined from the information given in the question.
How many VNTR alleles do you think are present in the student population? There are 3 VNTR alleles present in the student population. The genotype distribution for the PV92 Alu insertion can be calculated as follows: PV92 Alu insertion Genotype Heterozygous Homozygous Number of Bands2 band sizes3 band sizesPercentages35%15%To calculate the percentages of the homozygous and heterozygous individuals, the number of bands for each genotype must be known.
The total number of individuals on the gel is the sum of the percentages, which is 50 percent, because all of the individuals are either homozygous or heterozygous.
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A J-shaped curve is called a(n)
d.
logistic growth curve
b.
exponential growth curve
C.
linear growth curve
d
population growth curve
A J-shaped curve is called a population growth curve.
What do mean by population growth curve?Two types of population growth patterns may occur depending on specific environmental conditions: An exponential growth pattern (J curve) occurs in an ideal, unlimited environment. A logistic growth pattern (S curve) occurs when environmental pressures slow the rate of growth.
There are two types of growth curves: the j shaped growth curve and the s-shaped growth curve. Both the types of growth curves fit population growth models that have different environmental pressures.
The growth of the population eventually slows nearly to zero as the population reaches the carrying capacity (K) for the environment. The result is an S-shaped curve of population growth known as the logistic curve.
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Enzymes that use complex and expensive co-factors like NADPH or PLP cannot be used in economically viable commercial processes.
a) We can add stoichiometric co-factors as this is very cost efficient
b) A number of different ways are known to recycle co-factors like NADH, and these can be scaled up to give viable large scale processes
c) Yes, this is generally true as they cannot be sourced sustainably or regenerated during the reaction
d) Enzymes that use co-factors are generally not used in IB processes as they do not perform synthetically useful reactions of interest to industry
Enzymes that require complex and expensive co-factors like NADPH or PLP cannot be used in economically viable commercial processes. However, there are several ways to address this issue. One approach is to add stoichiometric co-factors, which is cost-efficient but can result in a large amount of waste.
Another approach is to recycle co-factors like NADH through various methods, which can be scaled up to create viable large-scale processes. However, it is generally true that these co-factors cannot be sourced sustainably or regenerated during the reaction.
Additionally, enzymes that require co-factors are often not used in industrial biotechnology processes as they do not perform synthetically useful reactions that are of interest to the industry. Therefore, finding cost-effective and sustainable solutions to the co-factor problem is essential for developing economically viable commercial processes.
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Please help I’m not quite sure
Answer:
What type of bird laid these eggs?
course hero let’s say you have some stem cells in a dish, and you want them to differentiate into motor neurons. what molecule could you add to them, in high concentration, to achieve this?
The molecule that can be added to the stem cells in high concentration to differentiate them into motor neurons is known as retinoic acid. Therefore, the correct option is B. Retinoic acid. What are stem cells?Stem cells are cells that have the potential to develop into various different types of cells in the body.
These cells are undifferentiated and unspecialized, which means that they do not have any specific function or role in the body. Instead, they have the capacity to develop into a range of different cell types, including muscle cells, nerve cells, and blood cells, among others.What is the significance of stem cells?The significance of stem cells lies in their ability to differentiate into a wide range of cell types. This makes them useful for a range of different applications, including in medical research and treatments.
For example, scientists can use stem cells to study the development of different cells and tissues in the body, or to develop new treatments for diseases or injuries that involve damage to specific types of cells.What is Retinoic acid?Retinoic acid is a molecule that is derived from vitamin A. It plays an important role in various processes in the body, including growth and development, vision, and immune function. In the context of stem cells, retinoic acid has been shown to promote the differentiation of stem cells into specific cell types, such as motor neurons. When added to stem cells in high concentrations, retinoic acid can help to trigger the molecular pathways that lead to the development of motor neurons.
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Which Of The Following Best Describes The Flow Of Energy Through An Ecosystem?
This phrase "Energy flows as matter is cycled" sums up the ecosystem's energy flow the best.
How is energy formed?When electrons transfer from one atom to another, energy is produced. Power can also take the form of heat or light. It is also possible to convert one type of energy into another. Energy available that has been stored converts to electric energy using a battery.
Why is energy important?Computers, vehicles, communications, state-of-the-art medical technology, and many other things are all powered by energy. The demand for dependable and economical electricity is especially pressing for emerging countries. It can be beneficial and even life-saving.
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sensory impulses from the skin would be transmitted into the spinal cord on the
Sensory impulses from the skin would be transmitted into the spinal cord on the afferent or sensory neurons.
Afferent neurons carry information from the sensory receptors in the skin to the spinal cord, where the impulses are then relayed to the brain for processing and interpretation. The sensory receptors in the skin, such as mechanoreceptors for touch or nociceptors for pain, detect the stimuli and convert them into electrical signals.
These signals travel through the afferent neurons, which are part of the peripheral nervous system, and enter the spinal cord through specific pathways.
Once in the spinal cord, the sensory impulses can be further transmitted to different regions of the brain for further processing and perception of the sensory information.
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Sensory impulses from the skin would be transmitted into the spinal cord on the afferent or sensory neurons.
Afferent neurons carry information from the sensory receptors in the skin to the spinal cord, where the impulses are then relayed to the brain for processing and interpretation. The sensory receptors in the skin, such as mechanoreceptors for touch or nociceptors for pain, detect the stimuli and convert them into electrical signals.
These signals travel through the afferent neurons, which are part of the peripheral nervous system, and enter the spinal cord through specific pathways.
Once in the spinal cord, the sensory impulses can be further transmitted to different regions of the brain for further processing and perception of the sensory information.
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apply Chargaff's rule to decide how many Guanine bases a length of DNA will have if it has 32 cytosine bases?
Based on Chargaff's rule, if a DNA molecule has 32 cytosine (C) bases, it would also have 32 guanine (G) bases. This is because G and C are always present in equal amounts in DNA. Therefore, the number of guanine (G) bases in the DNA would also be 32.
What is DNA?
DNA, or deoxyribonucleic acid, is a molecule that contains genetic information and serves as the hereditary material in living organisms. It is composed of nucleotide units that are arranged in a double helix structure. Each nucleotide is made up of a sugar molecule (deoxyribose), a phosphate group, and one of four nitrogenous bases: adenine (A), thymine (T), cytosine (C), or guanine (G).
Chargaff's rule states that in a DNA molecule, the amount of adenine (A) is equal to the amount of thymine (T), and the amount of guanine (G) is equal to the amount of cytosine (C). This means that the base pairs A-T and G-C are always in equal proportions.
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Which region of the brain contains the olfactory cortex?
a. temporal lobe
b. frontal lobe
c. parietal lobe
d. brain stem
e. pons
a. temporal lobe.
The olfactory cortex, which is responsible for processing smell information, is located in the temporal lobe of the brain.
More specifically, it is found in an area called the piriform cortex, which is part of the larger temporal lobe structure. The piriform cortex receives signals from the olfactory bulb, where the initial processing of smells takes place, and further processes and interprets this information, contributing to our perception of different odors.
The olfactory cortex, which is responsible for processing smell information, is located in the temporal lobe of the brain. The temporal lobe is one of the four major lobes of the cerebral cortex, the outer layer of the brain involved in higher cognitive functions.
Within the temporal lobe, the olfactory cortex is primarily situated in an area known as the piriform cortex. The piriform cortex is a paleocortical structure, meaning it is evolutionarily older compared to other parts of the cerebral cortex. It plays a crucial role in the sense of smell and is involved in various olfactory-related functions, including odor perception, discrimination, and memory.
The olfactory system begins with specialized sensory neurons located in the olfactory epithelium, located in the nasal cavity. These sensory neurons detect odor molecules in the air and send signals to the olfactory bulb, which is located at the base of the brain.
From the olfactory bulb, the signals are then transmitted to the olfactory cortex in the temporal lobe. The piriform cortex receives direct input from the olfactory bulb and is responsible for further processing and interpretation of olfactory information. It integrates information from different odor receptors and contributes to the perception of specific smells.
In addition to the piriform cortex, other regions within the temporal lobe, such as the entorhinal cortex and the amygdala, are also involved in olfactory processing. The entorhinal cortex, which is closely connected to the piriform cortex, is associated with the formation and retrieval of olfactory memories. The amygdala, a structure involved in emotional processing, receives input from the olfactory system and contributes to the emotional and behavioral responses triggered by specific odors.
Overall, the olfactory cortex, primarily located in the piriform cortex within the temporal lobe, plays a crucial role in processing and interpreting olfactory information. It allows us to perceive and discriminate different smells, form olfactory memories, and evoke emotional and behavioral responses to specific odors.
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The first part of the scientific name is the _____. This word is always _____ and _____. It appears in _____ or is _____.
The first part of the scientific name is the genus. This word is always capitalized and italicized. It appears in Latin or is derived from Latin.
The scientific name of an organism consists of two parts - the genus and the species. The genus is the first part of the scientific name and refers to a group of organisms that share certain characteristics. The species is the second part of the scientific name and refers to a specific type of organism within the genus.
The genus name is always capitalized and italicized, while the species name is always in lowercase and italicized. The use of Latin in scientific names ensures that scientists all around the world can understand and use the same names for organisms, regardless of their native language.
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Can you help me please
State one important precaution regarding the apparatus used in all food tests
Answer:
WEAR A LAB COAT TO PROTECT YOUR CLOTHES AGAINST THESE CHEMICALS, AND SAFETY GLASSES TO PROTECT EYES, UNLESS YOU ARE A SPECTACLE WEARER. (EXCEPT WET GLASSWARE, AND EMPTY CHEMICAL BOTTLES!). BE ESPECIALLY CAREFUL WITH HOT LIQUIDS AND WATERBATHS. KEEP CHEMICAL BOTTLES OFF THE BENCH, AND DO NOT CONTAMINATE PIPETTES
Explanation:
where does oxygen-poor blood first enter the heart?
Answer:
The oxygen-poor blood enters in the right atrium
Which category does the antibiotic pencillin fall under?
Quinolones
Macrolides
Methicillin
Beta-lactams
Answer:
d) Beta-lactams
Explanation:
Beta-lactam antibiotics include compounds such as penicillins, and cephalosporins.
what temperature does the enzyme have a speed of zero
Answer:
At 0° and 100°
Explanation:
At 0° the enzymes become inactive making their speed zero and at 100° the enzymes become denatured which also makes their speed zero.
In hemolytic anemia, the RBCs are destroyed prematurely. What distinguishes almost all types of hemolytic anemia?a. normocytic hypochromic cellsb. microcytic normocromic cellsc. macocytic hyperchromic cellsd. normocytic normochromic cells
The correct answer is d. normocytic normochromic cells. Hemolytic anemia is a condition characterized by the premature destruction of red blood cells
(RBCs) in the bloodstream, bone marrow, or spleen. While there are various types of hemolytic anemia with different underlying causes, a common characteristic among them is the presence of normocytic normochromic cells.
Normocytic refers to the size of the RBCs, which are within the normal range. Normochromic refers to the color of the RBCs, which have a normal concentration of hemoglobin.
In hemolytic anemia, the destruction of RBCs occurs prematurely, leading to a decrease in the lifespan of RBCs and subsequent compensatory mechanisms by the body to maintain the normal size and color of the remaining RBCs.
The other options provided in the question are not typically associated with hemolytic anemia. Microcytic cells are smaller than normal, usually seen in conditions such as iron deficiency anemia.
Macrocytic cells are larger than normal and can be seen in certain types of anemia, such as megaloblastic anemia.
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c) Suggest what can be done to address any discrepancy. Start explaining the most practical solution first and then the least favorable solution(s). Write in the provided box, please. [10 marks]
Answer:
Explanation:
yes cux it is good
and i needpoints
What is the process of making qualitative and quantitative observations?
Answer:
To make a qualitative observation would mean making high quality observations, and quantitative observations would be making as many observations as possible.
Explanation: