Many land plants store energy in starch. When energy is needed, the starch molecules can be broken down quickly. Starch is which of the following molecules?
Answers
C6H10O5.
Related Questions
Parent 1 has a recessive phenotype of blue eyes. Parent two has a homozygous phenotype of brown eyes. What is the genotype for parent 1? ____________ Parent 2? ____________ In the space below, create a Punnett Square.
What percent of offspring will have blue eyes? ____________ What percent of offspring will have brown eyes? ____________ What percent of offspring will be heterozygous? ____________ What percent of offspring will be homozygous? ____________
Answers
There will be 50% blue eyes (genotype bb) and 50% brown eyes in the offspring (genotype Bb). There will be 50% homozygous dominant offspring and 50% heterozygous offspring (genotype Bb) (genotype BB).
What are the chances that a child with a homozygous brown-eyed mother and a blue-eyed father will have blue eyes?Blue eye color is subordinate to brown eye color. Consequently, it is possible that both parents of a child with blue eyes and brown eyes have the heterozygous genotype Bb. Consequently, it is evident from the square below that there is a 25% chance of having a blue-eyed (bb) child.
What are the odds of having a child that is homozygous recessive from two homozygous dominant parents?The Punnett square below shows that there is a 25% chance of having a healthy homozygous (AA) child, a 50% chance of having a healthy heterozygous (Aa) carrier child, and a 25% chance of having an abnormal homozygous (AA) child at each birth.
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separation of the sister chromatids is a characteristic of which stage of mitosis? group of answer choices prometaphase metaphase anaphase telophase
Answers
The separation of sister chromatids is a characteristic of the anaphase stage of mitosis.
Mitosis is a type of cell division that produces two genetically identical daughter cells. Mitosis is essential for growth, repair of damaged tissues, and asexual reproduction. It is divided into four stages: prophase, metaphase, anaphase, and telophase. Chromosomes become visible in prophase.
Prophase: The chromosomes condense, the nuclear envelope disintegrates, and spindle fibers start to form. Metaphase: The chromosomes line up at the equator of the cell, called the metaphase plate.Anaphase: The sister chromatids separate at the centromere and are pulled to opposite poles by the spindle fibers.Telophase: The chromosomes reach the poles, the nuclear envelope reforms, and the spindle fibers disintegrate. The cell then undergoes cytokinesis, dividing the cytoplasm and creating two daughter cells.Learn more about mitosis-
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What happens to the pressure of a gas if the volume of gas is
increased at a constant temperature?
Answers
Answer: If the volume of a gas is increased at a constant temperature, the pressure of the gas decreases.
Explanation:
The relation between variation in volume and variation in pressure of a gas at a constant temperature is given by Boyle's Law which states that: The product of pressure and volume of a mass of a contained gas is constant at a constant temperature.
That is,
Pressure (P) x Volume (V) = constant (k)
[when the temperature (T) is constant; k ≠ 0.]
Or, P = \(\frac{k}{V}\)
That is, pressure varies inversely with volume or an increase in volume at a constant temperature causes a decrease in the pressure of the gas.
Detailed answer:
Gas molecules are always in random motion, and the pressure of a gas is defined as the pressure exerted by these moving gas molecules on the walls of the container as they undergo collisions with the walls of the container. The volume of a gas is defined as the three-dimensional space occupied by all the gas molecules in the container at a particular temperature and pressure. Thus, when the volume increases keeping the temperature constant (thus no change in kinetic energy of the molecules occurs due to temperature), the molecules get more space to move around. Thus the pressure exerted by the molecules on the walls of the container decreases.15) Sounds between
there is prolonged exposure.
a) 90 and 130 b) 100 and 200
c) 130 and 180
d) 150 and 200
16) Sounds above
decibels are only dangerous if
decibels put someone in
immediate danger of hearing loss.
a) 130 b) 200
c) 180
d) 150
17) According to your text, humans can detect more than types of distinct smells.
a) 100
b) 1000
c) 10,000
d) 1 million
18) Itching, tickling, and vibration sensations seem to be produced
by light stimulation of receptors.
a) pressure and pain
b) pain and temperature
c) temperature and pressure d) pressure, pain, and temperature
19) When the brain is sorting out and attending only to the most important messages from the senses, it is engaged in the process of
a) sensory adaptation
b) sensory habituation
c) selective attention d) selective sorting
20) After a month of having stuck a post-it note by your door to remind you of an appointment, you forgot the appointment. This
is an example of
a) sensory adaptation
b) selective perception
c) habituation
d) selective attention
21) "Impossible figures" are stimuli that appear to make sense but cannot exist in actual, real space. These figures
a) define the correspondence between sensation and perception
b) help scientists understand perceptual principles c) outline how to organize elements into a coherent whole
d) define the difference between monocular and binocular cues
22) refers to a binocular cue that comes from the separation of the eyes, which causes different images to fall on each retina.
a) Stereoscopic vision
b) Convergence
c) Retinal disparity d) Linear perspective
Answers
15. c) 130 and 180,16. a) 130,17. c) 10,000,18. d) pressure, pain, and temperature,19. c) selective attention,20. c) habituation,21. b) help scientists understand perceptual principles,22. c) Retinal disparity.
Prolonged exposure to sounds:
Extended exposure to loud sounds can be harmful to hearing.
Dangerous decibels: Sounds above certain decibel levels can pose an immediate risk of hearing loss.
Human sense of smell: Humans can detect more than 10,000 distinct smells.
Itching, tickling, vibration: These sensations are produced by receptors in response to light stimulation.
Brain sorting important messages: The brain selectively attends to and processes vital sensory information.
Post-it note reminder: A post-it note didn't prevent forgetting an appointment after a month.
Impossible figures: Stimuli that seem plausible but cannot exist in real space, helping understand perception.
Binocular cue - Retinal disparity: The separation of eyes creates different images on each retina, aiding depth perception.
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helppppppppppppppppp
Answers
Answer: Letter B
Explanation:
Glycolysis is the correct question!
---> Fermentation/Glycolysis
In the absence of oxygen, cells can undergo two sets of anaerobic metabolic pathways to produce energy: glycolysis and fermentation.
Glycolysis: Glycolysis is the first step in cellular respiration. It is an anaerobic process that takes place in the cytoplasm of the cell. During glycolysis, glucose is broken down into two molecules of pyruvate, which yields a net of two ATP molecules and two NADH molecules.
Fermentation: Fermentation is an anaerobic process that takes place when oxygen is not available for cellular respiration. In fermentation, pyruvate is converted into either lactic acid or ethanol, depending on the type of organism. This process regenerates the NAD+ required for glycolysis to continue, allowing for the continued production of ATP through glycolysis.
Overall, these two pathways allow cells to continue producing ATP even in the absence of oxygen. However, they are less efficient than aerobic respiration, which produces much more ATP per glucose molecule through the use of oxygen in the electron transport chain.
A single strand of DNA helix has the code CGCTAA. Which would be the complementary code on the other strand of the helix?
CGCAUU
TATCGG
ATAGCC
GCGATTA
Answers
Answer: The answer is GCGATT
Would a greater or less amount of exposed surface area absorb thermal energy faster? Why? Give an example.
Answers
Answer:
Explanation:
A greater amount of surface area exposed will absorb thermal energy faster compared to a surface with a lesser exposed area.
Thermal energy is a form of kinetic energy in which the molecules of a medium increases their velocity.
In a large area with high surface are exposed, the molecules are spread out openly without obstructing each other. This will enable a faster thermal conduction through a system. A small exposed surface area inhibits thermal conduction. Solar panels are designed to expose more surface area to abstract more thermal energy.the process of protein turnover involves the ________.
Answers
The process of protein turnover involves the synthesis and degradation of proteins.
What is protein?Protein is a macronutrient composed of amino acids, the building blocks of life. It is essential for the repair and growth of our cells, organs, muscles and tissues. Protein is found in a wide variety of foods including meats, dairy, beans, nuts, and grains. Protein is essential for growth, development and maintenance of healthy bodies. In addition to its role in cell growth and maintenance, protein is also important for healthy immune systems, hormone production, and providing energy. Protein is also important for muscle maintenance and strength. It helps to repair muscle tissue after workouts and helps to maintain healthy body composition.
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4. Describe Lamarckian and Darwinian ideas about Evolution, and highlight the key differences between them. 5 marks
Answers
Lamarckian and Darwinian ideas about evolution differ in their explanations for how species change over time. Lamarckism proposes that acquired characteristics can be inherited, while Darwinism emphasizes natural selection and variation as driving forces of evolution.
Lamarckian and Darwinian ideas about evolution have fundamental differences in their explanations:
Lamarckism, proposed by Jean-Baptiste Lamarck, suggests that acquired characteristics during an organism's lifetime can be passed on to the next generation. Lamarck argued that organisms change in response to their environment and these changes are then inherited. For example, if a giraffe stretched its neck to reach higher leaves, its offspring would inherit a longer neck.
On the other hand, Darwinism, formulated by Charles Darwin, centers around natural selection and variation. Darwin proposed that organisms with favorable traits are more likely to survive and reproduce, passing those advantageous traits to subsequent generations. This process, known as "survival of the fittest," leads to the gradual accumulation of beneficial traits in a population over time.
The key differences between Lamarckism and Darwinism are:
1. Inheritance of acquired characteristics: Lamarckism suggests it is possible, while Darwinism rejects this idea.
2. Mechanism of change: Lamarckism proposes that organisms change in response to the environment, while Darwinism emphasizes natural selection acting on variations already present in a population.
3. Timescale: Lamarckism implies rapid and continuous change, while Darwinism allows for gradual and cumulative changes over long periods of time.
In summary, Lamarckian evolution focuses on the inheritance of acquired characteristics, while Darwinian evolution emphasizes natural selection and the accumulation of beneficial variations over time. Darwin's theory of evolution by natural selection is widely accepted and forms the basis of modern evolutionary biology.
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Examine the DNA sequence in the image.
One DNA strand with two repeats of the code AATC is highlighted.
© 2014 NHS National Genetics and Genomics Education Centre
Creative Commons, by Attribution 2.0 Generic
Which of the following analysis tools is represented by the DNA sequence in the image?
DNA cloning
STR analysis
SNP profiling
Electrophoresis
Answers
In the image, the form of DNA sequence that is highlighted therein is C. SNP profiling.
What is SNP profiling?SNP profiling is a way of categorizing the genetic variations of a single nucleotide. In the diagram, we can see a DNA strand and the nucleotides that make it up.
Also, we can see how these nucleotides are categorized by their genetic variations. So, the term that represents the image in the figure is SNP profiling.
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During transcription, rna polymerase synthesizes ______ from a(n) ______ template.
Answers
During transcription, rna polymerase synthesizes RNA strand from a(n) DNA template.
What is transcription?Transcription is a classic event in molecular biology in which the DNA is transcribed to mRNA.
Transcription is an important event mentioned in central dogma of molecular biology. It is from transcription, translation (synthesis) of proteins is possible.
Transcription occurs at specific site in the cell. In prokaryotes, transcription takes place in cytoplasm whereas in eukaryotes, nucleus is the site for transcription.
Transcription involves three main steps:
Initiation - Binding of an enzyme RNA polymerase at the promoter region initiates the process of transcription. Thus, an mRNA strand is produced from a DNA sequence.Elongation - Specific nucleotides are added to this mRNA strand through complementary base pairing (A-U, C-G).Termination - RNA polymerase comes across a termination sequence in a gene and stops the process.After transcription, processing of mRNA is carried out so that it becomes mature and fully functional for translation process.
Therefore, transcription is important in copying information from DNA sequences for the correct synthesis of proteins.
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Drag each tile to the appropriate category.
depends on gene expression
Self-Renewal
Differentiation
creates more of the same cell type
duplicates the cell indefinitely
forms specialized cells
Answers
Answer:
See image
Explanation:
Self-Renewal:
Duplicates the cell indefinitely
Creates more of the same cell type
Differentiation:
Depends on gene expression
Forms specialized cells
what is the role of companion cells in the movement of sugars through plants?
Answers
Without companion cells, the movement of sugars through plants would be significantly slower and less efficient.
Companion cells play a vital role in the movement of sugars through plants. They are specialized cells found in the phloem tissue of plants that are directly connected to sieve tube elements, which transport sugars from photosynthetic tissues to non-photosynthetic tissues throughout the plant. Companion cells are responsible for maintaining the high concentration of sugars in sieve tubes by actively transporting sugars and other nutrients into the sieve elements. They also provide metabolic support to the sieve tube elements by supplying them with ATP and other essential compounds. In short, companion cells act as the "companion" to sieve tube elements, ensuring that the movement of sugars through the plant is efficient and effective.
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your blood cells have different sizes, shapes, and functions, yet they all started out alike. What process is responsible for this?
A) Cell Misalignment
B) Cell Reproduction
C) Cell Replication
D) Cell Differentiation
Answers
B) Cell Reproduction
torn ligament fibersa.occurs when respiratory system is penetrated and air escapesh.disruption of blood flow that results in the death of brain cellsf.condition in which body tissue freezesb.a broken bone breaks through the skin-disruption in blood flow throughout the body-increase in body temperature above normal-tearing of muscle fibersa.sucking woundb.open fracturec.straind.spraine.hyperthermiaf.frostbiteg.shockh.stroke
Answers
a. A sucking wound is a disruption in the blood flow throughout the body.
b. An open fracture is when a broken bone breaks through the skin.
c. A strain occurs when muscle fibers are torn.
d. Sprain occurs when ligament fibers are torn.
e. Hyperthermia is an increase in body temperature above normal.
f. Frostbite is a condition in which body tissue freezes.
g. Shock is a disruption of blood flow that results in the death of brain cells.
h. Stroke is when the respiratory system is penetrated and air escapes.
А sucking chest wound (SCW) hаppens when аn injury cаuses а hole to open in your chest. SCWs аre often cаused by stаbbing, gunshots, or other injuries thаt penetrаte the chest. Most open frаctures аre cаused by some type of high-energy event, such аs а gunshot or motor vehicle аccident. Sprаins cаn occur аt аny joint but most commonly occur in the аnkle, knee, or wrist. Аn equivаlent injury to а muscle or tendon is known аs а strаin.
Hyperthermiа occurs when the body cаn no longer releаse enough of its heаt to mаintаin а normаl temperаture. Frostbite occurs when your skin freezes during exposure to freezing temperаtures. Shock occurs when the pressure is too low to propel the blood forwаrd to infuse into the mаjor orgаns. А stroke occurs when а blood vessel thаt cаrries oxygen аnd nutrients to the brаin is either blocked by а clot or bursts (or ruptures).
Your question is incomplete, but most probably your question can be seen in the Attachment
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Explain the Frank-Starling law of the heart.
Make sure to give a short, explanation of the Frank-Starling law and the role of stretch on
the cardiac contractile tissue has on the force of contraction. You should then explain
how this property allows for the matching of venous return and stroke volume. Some
important topics to consider as you answer this question are end-diastolic-volume (EDV),
end-systolic-volume (ESV), venous return, preload, afterload, and Starling curves.
Answers
The Frank-Starling law of the heart states that the force of contraction of the cardiac muscle is directly related to the initial length or stretch of the muscle fibers. In simpler terms, when the cardiac muscle is stretched, it contracts more forcefully.
The cardiac muscle fibers have an inherent property that enables them to generate greater force when they are stretched. This property is due to the increased overlap of actin and myosin filaments within the muscle fibers when they are elongated. When the muscle fibers are stretched, the actin and myosin filaments have a more optimal arrangement, allowing for stronger and more efficient muscle contractions.
Now, let's discuss how the Frank-Starling law allows for the matching of venous return and stroke volume. The stroke volume refers to the amount of blood pumped out of the heart with each heartbeat, while venous return refers to the amount of blood flowing back to the heart from the veins.
According to the Frank-Starling law, the initial length or stretch of the cardiac muscle fibers, known as the end-diastolic volume (EDV), determines the force of contraction. When there is an increase in venous return, more blood fills the heart during diastole, leading to an increase in the EDV. This increased volume stretches the muscle fibers of the heart.
The stretched muscle fibers, in turn, generate a more forceful contraction during systole, leading to a larger stroke volume. This increased stroke volume effectively matches the increased venous return, maintaining the balance between the amount of blood entering the heart and the amount of blood pumped out.
It's important to note that the Frank-Starling law is influenced by two other factors: preload and afterload. Preload refers to the degree of stretch of the cardiac muscle fibers before contraction, primarily determined by the volume of blood in the ventricles at the end of diastole. Afterload, on the other hand, refers to the resistance the heart must overcome to eject blood during systole, usually represented by the pressure in the aorta.
The relationship between preload, afterload, and stroke volume is depicted by the Starling curves. These curves illustrate how changes in preload (EDV) can affect stroke volume. When preload increases, the Starling curve shifts upward, indicating an increase in stroke volume. However, if afterload increases (such as in conditions like hypertension), the curve shifts downward, reducing the stroke volume.
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What does foliated mean?
a) Sediment
b) Layered
c) Not layered
d) Magma
Answers
Answer:
Sediment
Explanation:
hope you like itAbout 500,000 tons of sediment are eroded from the Grand Canyon every day.
Wind, water, and gravity are constantly widening the canyon. What is making
the canyon deeper?
A. Mass movements
B. Coastal erosion
C. Wind erosion
D. River action
Answers
plz help due in 5 min
Answers
Answer:
less than
Explanation:
What do atypical glandular cells mean?
Answers
Answer:
Is a term that has been used to describe abnormal cells that come from glands in the walls of the cervix
The continents are considered part of the
A, asthenosphere.
B. core.
C. lithosphere.
D. hydrosphere.
Answers
Answer:
Lithosphere. The lithosphere consists of the crust- rocks, and minerals-, which the major continents are apart of.
Explanation:
The continents are considered part of the:
A. asthenosphere.
B. core.
C. lithosphere. ******
D. hydrosphere.
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Which of these choices is a benefit of replacing a coal-burning power plant with a nuclear power plant?A.Increased cancer rates among local residentsB.Improper storage of radioactive wasteC.Groundwater contamination from radioactive wasteD.Improved respiratory health of local residents
Answers
Improved respiratory health of local residents is a benefit of replacing a coal-burning power plant with a nuclear power plant (Option D).
What is a nuclear power plant?A nuclear power plant is a plant that generates energy by nuclear fission, which is a process where an atom splits into two minor particles, thereby relating energy. This energy is used to heat water and then the vapor is used to move turbines that generate electricity.
In a nuclear power plant, the overall process does not produce greenhouse gases (such as for example carbon dioxide) alike coal based plants and therefore it maintains the quality of the air and atmosphere
Therefore, we can conclude that nuclear power plants do not generate contaminant greenhouse gases and therefore they are able to maintain the quality of the air in normal conditions that are suitable for respiration.
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Wind travels from areas of HIGH pressure to LOW pressure.
A. True
B. False
Answers
Answer:
The answer is A) True
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Brainliest is always appreciated
Explanation:
with early detection and advances in medical treatment of cystic fibrosis, the median life span for patients with this condition has reached nearly _____ years of age.
Answers
With early detection and advances in medical treatment of cystic fibrosis, the median life span for patients with this condition has reached nearly 40 years of age.
This increase in life expectancy can be attributed to advancements in medical treatment, such as the use of antibiotics to prevent and treat lung infections, improved nutritional therapies, and new therapies targeting specific genetic mutations associated with the disease.
Additionally, early detection through newborn screening programs allows for early intervention and treatment to prevent complications and manage symptoms. While cystic fibrosis remains a chronic and progressive disease, these advances in treatment have greatly improved the quality of life and life expectancy for patients with this condition.
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what structure is used to transport organic molecules
Answers
Organic molecules are transported in the body by a variety of structures, including the bloodstream, lymphatic system, and the gastrointestinal tract.
The bloodstream is made up of several components, including red blood cells, white blood cells, and platelets, which all play a role in transporting organic molecules throughout the body. The lymphatic system is responsible for collecting and transporting fluids and other waste from the body’s tissues and is composed of lymph vessels, nodes, and organs like the spleen and thymus.
The gastrointestinal tract also plays an important role in transporting organic molecules and is made up of several parts including the stomach, small intestine, and large intestine. Each of these structures work together to ensure that organic molecules are properly transported throughout the body.
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If the rate of atrial depolarization was normal while the rate of ventricular depolarization was slower than normal, where would you expect to find a dysfunction in the electrical conduction pathway of the heart?.
Answers
You will find a dysfunction in the QRS complex of the electrical conduction pathway of the heart if the atrial depolarization is normal and the rate of ventricular depolarization is slower.
The waveform QRS complex represents the second acrion, ventricular depolarization. Q,R,S waves are included in the QRS complex; in rare circumstances, the q wave may not be seen. QRS measurements consist of 1.5-3 tiny boxes and take 06-.12 seconds. It calculates the complex from the first deflection following the P wave to the point where the S wave hits the isoelectric line (Period of zero electrical activity).
Ventricular depolarization is facilitated in part by an auxiliary route (AP) that connects the atrial and ventricle and is therefore capable of transferring electrical impulses into the ventricle without using the AV-His Purkinje conduction system.
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most people don’t need to count every single micro nutrient they eat. instead doctors recommend they eat a well-balanced diet with a wide variety of healthy foods. why is this recommendation point for maintaining homeostasis in the body
Answers
Homeostasis by definition is the equilibrium among the body systems necessary to survive and function properly. So diet is a very important factor to maintain tain this propper functioning of the organism, which is an important factor of metabolism. On the other hand food posses different levels of nutrients as are compounds, so calculating the necessary intake of micronutrients is quite difficult and each source of food is rich in several components, therefore a well-balanced diet accomplishes the micronutrient intake and add additional elements, whats more the body absorbs better each micro nutrient in the natural element than in a sinthetic manner, sometimes the molecular composition is not absorbed so easily or is not so stable, on other ocation the quatities are superior to the needed one and there are only wasted.
What is the basic unit of structure and function in all living organisms?
Answers
Answer:
Cells
Explanation:
Cells are the basic unit of structure and function of all living organisms. The order of organization in multicellular organisms are cells, tissues, organs, organ systems, and organisms. This is because this is how it ranks - cells make tissues, tissues make organs, and etc.
Answer: D (Cell)
Explanation: Edegeunity
I need help with this practice problem solving In your words, give a short summary to my pic
Answers
Answer: The English settlers brought it over from England when they brought supplies to start a new life over
Explanation:
Which type of rock results from magma slowly cooling underground?
igneous
sedimentary
foliated
metamorphic
Answers
Answer: Igneous rocks are formed when magma cools underground.
Explanation: Igneous rocks are formed from the cooling and solidification of magma, which is molten rock material that is found beneath the Earth's surface. When magma cools and solidifies slowly beneath the Earth's surface, it forms intrusive igneous rocks, which are also known as plutonic rocks.