DNA move through an agarose gel because DNA molecules are negatively charged due to the presence of phosphate groups in their sugar-phosphate backbone which make them to move toward the positive charge in the agarose gel.
What is DNA?Deoxyribonucleic acid or DNA is a protein molecule that us found in the nucleus of a cells which carry the genetic components or content of the cell and are transfer from parent to tye offspring.
Therefore, DNA move through an agarose gel because DNA molecules are negatively charged due to the presence of phosphate groups in their sugar-phosphate backbone which make them to move toward the positive charge in the agarose gel.
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What is muscular dystrophy example of
Muscular dystrophy is an example of a genetically heritable disease that is autosomal dominant.
What are autosomal dominant diseases?Autosomal dominant diseases or abnormalities are genetic diseases that are heritable just by inheriting an affected allele from either of the parents.
Unlike autosomal recessive diseases which require that alleles are inherited from the two parents, autosomal dominant diseases can be inherited from either of the parents.
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Information collected directly with the senses is
The first true antibiotic was __________, which was discovered by __________. View Available Hint(s)for Part A streptomyces; Selman Waksman penicillin; Alexander Fleming arsenic compounds; Paul Enrich sulfanilamide; Gerhart Domagk
Answer:
penicillin, Alexander Fleming
The following steps are involved in the process of RNA synthesis: I. Elongation II. Termination III. initiation Rearrange them in the ascending order of the process.
Explanation:
1 initiation
binding of RNA polymerase
2 élongation
synthesis of chain
3 termination
end of synthesis and production of rna
Select the correct answer from each drop-down menu.
The nervous system and the muscle system respond to stimuli to produce motion. The movements of
muscles are mostly voluntary. Involuntary movements occur in these muscles when the nerve impulse passes from a sensory neuron to a motor neuron via an interneuron in the
.
The nervous system and muscular system respond to stimuli to produce movement.
What is nervous impulse?
The nerve impulse corresponds to an electrical current that propagates through neurons, thanks to a process of membrane depolarization. This depolarization process occurs through stimuli and its function is to transmit certain information to other cells (nervous, muscular or glandular).
With this information, we can conclude that the nervous system and muscular system respond to stimuli to produce movement.
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Answer:
skeletal
spinal cord
Explanation:
just took test on edmentum and got 5/5
Correct Value: 12.75
8.5
8.4
8.4
8.3
I don't understand your question maybe try rephrasing?
1.Explain Cytotaxonomy and Chemotaxonomy and Numerical Taxonomy.
2.Difference Between Chemotaxonomy And cytotaxonomy?
Answer:
Cytotaxonomy refers to the classification of biological materials based upon similarities and differences of cellular structure and number of chromosomes present in the cell afterwards while .:::: chemotaxonomy refers to the classification of biological materials based upon similarities and differences of the ...Chemotaxonomy is based on the similarities and differences in biochemistry such as a sequence of amino acids in proteins, whereas, cytotaxonomy is the classification based on cellular characteristics such as chromosomes number and behaviour.Aristotle is considered to be the founder of biology.
true
false
Answer:
False.Aristotle is chemist he not the founder of biology
) If you are a good school agriclture focal person, what type of forming would you suggest to the school? Give reasons. Teacher's Signature. ) If you are a good school agriclture focal person , what type of forming would you suggest to the school ? Give reasons . Teacher's Signature .
Answer:
Farm-to-school programs are a great way to get students excited about healthy eating.
Explanation:
proteins not expressed on normal cells but found on tumor cells are called _____.
Proteins not expressed on normal cells but found on tumor cells are called tumor specific antigen.
What are cancer cells?Cancer cells are cells whose cells cycles and growth has been altered as a result of mutation in their DNA resulting in abnormally high growth rates.
Cancer cells are also called tumor cells.
Proteins that are expressed in tumor cells but not on normal cells are called tumor specific antigen.
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What types of animals are simians?
Simians are a group of higher primates animals such as monkeys, apes, and humans.
What are simians?Simians are a taxonomic category of animals under the primate order.
Primates are divided into Simians and Prosimians. Simians are more advanced than Prosimians.
Humans belong to the primate order and are classified as Simians along with other animals such as monkeys and apes.
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three main factors that affect stroke volume and how each impacts cardiac output if that factor is increased?
The three main factors that affect stroke volume are contractility, preload and afterload.
Increase in contractility and preload increases cardiac output whereas increase in afterload decreases cardiac output.
What is stroke volume?Stroke volume refers to the volume of blood that is pumped by the heart through each stroke.
The three factors that affect stroke volume and how it impacts cardiac output when increased is given below:
contractility - an increase in contractility of the heart increases the cardiac outputPreload - an increase in preload increases cardiac outputafterload - an increase in afterload decreases cardiac outputTherefore, the three main factors that affect stroke volume are contractility, preload and afterload.
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A ________________ is a group of microbes growing in a nutrient-rich environment.
A culture is a group of microbes growing in a nutrient-rich environment.
What is culture?A culture refer to a media which contain nutrients or nutritious substances that support the growth and replication of micro organisms.
Therefore, A culture is a group of microbes growing in a nutrient-rich environment.
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When you hold a mug of hot cocoa,you feel a change in temperture.how does the skin detect this change?
Answer:
sensory receptors in the skin detect the stimuli from the environment
Explanation:
Jake wants to enrich the nitrogen content of his soil through fixation which crop can he use for this purpose
Answer:
He can use beans since it is a legume and legumes have root nodules that facilitate nitrogen fixation
How are mitosis and meiosis similar?
Answer:
B
both process chromosomes are copied
All of the following organisms are involved in carbon fixation EXCEPT Group of answer choices green and purple sulfur bacteria. cyanobacteria. lichens. algae. mycorrhizae.
Answer:Mycorrhizhae
Explanation:
tuberculosis, botulism, and tetanus are examples of diseases caused by rod-shaped bacteria known as ______________.
Bacilli is a rod shaped bacteria that cause diseases like tuberculosis, botulism, and tetanus.
What is Bacilli?Bacilli refer to a group of bacteria that is small, rod shaped and also a gram positive bacteria which causes diseases or infections on their host. They normally transmit diseases through infected food, water and animal bite.
Therefore, Bacilli is a rod shaped bacteria that cause diseases like tuberculosis, botulism, and tetanus.
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would cause evolutionary change in animal populations that colonize a new environment as its conditions differ from those found in their home?
Gene flow would cause an evolutionary change in animal populations that colonize a new environment as its conditions differ from those found in their home.
What is Gene flow?In genetics, the expression 'gene flow' refers to the migration of organisms or movement of their reproductive germinal cells to a new place.
Gene flow is well known to alter the genetic structure of the population in the site where it occurs.
In conclusion, gene flow would cause an evolutionary change in animal populations that colonize a new environment as its conditions differ from those found in their home.
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What 4 features do all chordates have?
All chordates share some structures during at least some stage of their development. These are the notochord, nerve cord, pharyngeal slits, and tail.
What are chordates?When talking about chordates we are referring to the chordate phylum. Individuals composing this group share four main structures,
Notochord
The notochord is a dorsal spine precursor from which the nervous system gets formed.
The notochord is present during the whole individual's life (like some tunicates) or during only the embryonary period (like vertebrates).
Nerve cord
The nerve cord is dorsally located, together with the notochord.
It is hollow, and, during embryogenesis, it might differentiate into a brain.
This cord connects external stimuli to the motor system to react to them.
Pharyngeal slits
Present only during a period of the embryonary stage. These slits give rise to different organs and structures like tonsils, ears, or gills.
Tail
All chordates have a tail in at least a period of the organism's development.
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The bacterial species Heliobacter pylori has been associated with the formation of stomach ulcers. The bacteria burrows into the mucosal lining of the stomach, degrading it and forming a hole. What type of innate defense is this bacteria overcoming
The type of innate defense this bacteria is overcoming is referred to as mechanical barrier.
What is Innate defense?This is referred to as the defense system which came with birth and they help protect the body from antigens.
The bacteria in this context also functions this way through overcoming mechanical barriers to attack the party of the body involved.
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Sphingosine is not a component of:
According to the research, sphingosine is an aminoalcohol that forms ceramides and is not a component of cardiolipin.
What is sphingosine?It is an aminoalcohol that is found in most of the sphingolipids of animal tissues.
It intervenes in cellular metabolic regulation processes related to lipid signaling pathways.
Therefore, we can conclude that according to the research, sphingosine is an aminoalcohol that forms ceramides and is not a component of cardiolipin.
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Would you expect the plastid DNA of photosynthetic dinoflagellates, diatoms, and golden algae to be more similar to the nuclear DNA of plants (domain Eukarya) or to the chromosomal DNA of cyanobacteria (domain Bacteria)? Explain.
A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in:.
A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in an increase in blood flow through the vessel.
Meaning of smooth musclesmooth muscle can be defined as a muscle in the body that is non striated and involuntary in nature.
Smooth muscles are mostly found in hollow organs, passageways and tracts of some systems.
In conclusion, A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in an increase in blood flow through the vessel.
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A car with a mass of 1,324 kilograms, traveling at a speed of 20 meters/second, crashes into a wall and stops. What is the kinetic energy after this perfectly inelastic collision?
The kinetic energy of a car with a mass of 1,324 kilograms, traveling at a speed of 20 meters seconds is 264800J.
How to calculate kinetic energy?The kinetic energy of a moving car can be calculated using the following formula:
K.E = ½ × m × v²
Where;
K.E = kinetic energym = mass v = velocityK.E = ½ × 1324 × 20²
K.E = 264800J
Therefore, the kinetic energy of a car with a mass of 1,324 kilograms, traveling at a speed of 20 meters seconds is 264800J.
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How do we investigate translocation using the ringing experiment?
Translocation can be investigated by using the ringing experiment, while peeling and removing the bark and phloem of a plant.
What is translocation?Translocation can be defined as a biological process which involves the transfer (movement) of water and other soluble nutrients from one part of a plant to another, especially through the xylem and phloem.
Generally, translocation can be investigated by using the ringing experiment, while peeling and removing the bark and phloem of a plant. Also, if sucrose is present, it would cause a swell and thus indicating translocation.
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the membrane that forms a compartment inside the stroma is the ____
In chloroplasts there are structures known as thylakoids. The membrane that forms a compartment inside the stroma is the thylakoid membrane.
What is the chloroplast structure?The structure of these organelles is as follows,
Chloroplasts are limited by an outer membrane and an inner one. In between the two membranes, there is a space left called intermembrane space. In the interior of the inner membrane, there is another space known the stroma. Within the stroma, there is the third system of membranes, known as thylakoids. Thylakoids are disk-shaped structures limited by a membrane, and in their interior, there is a space named thylakoid space.These structures are arranged as piles, receiving the name of grana. Grana connects by a larger thylakoid membrane. The photosynthetic pigments are placed in the thylakoids, where occurs light-dependent reactions.According to this description, the membrane that forms a compartment inside the stroma is the thylakoid membrane.
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The p wave on an electrocardiogram (ecg) represents the depolarization of cells in the:
The p wave on an electrocardiogram (ecg) represents the depolarization of cells in the sinoatrial (SA) node.
What is sinoatrial node?The sinoatrial node is close to the opening of the superior vena cava. This bundle of nerve tissue propagates electrical impulses and therefore governs sinus rhythm from minute to minute.
Electrocardiogram is a test, it is possible to detect the rhythm of the heart and the number of beats per minute.
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why do we not see other components of cell? are they absent?
Answer:
They are microscopic (small) and they are protected by the outer wall/membrane
Explanation:
What is the name of the Coenzyme that binds with Acetyl Acid?
The name of the coenzyme is Coenzyme A.
Citric acid cycleThe intermediate step between glycolysis and the citric acid cycle is the production of acetyl-co A.
Acetyl-co A is produced by the oxidative decarboxylation of the pyruvate molecule generated from glycolysis in the matrix of the mitochondrion.
The pyruvate molecule is first transformed into an acetyl group. The enzyme, Coenzyme A, binds with the acetyl group to form acetyl-co A.
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