Utilizing oxygen and nutrition, the mitochondria produce ATP, which serves as the cell's energy source. In a plant cell, photosynthesis takes place in the chloroplast.
Plant cells contain both the chloroplast and the mitochondrion, but animal cells only have the mitochondria. The purpose of mitochondria and chloroplasts is to produce energy for the cells in which they are found. Both types of organelles have an energy generation, or how inner and outer membrane as part of their structure. they change cellular energy into a certain form before the cell uses it, which is the fundamental commonality between mitochondria and chloroplast. 2. Chloroplast and mitochondrial DNA and RNA are nearly identical. Each DNA molecule is round.
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Human activities that directly threaten coral reefs include?
Answer:
fishing practices, pollution, physical harm
From where can conservation geneticists collect dna samples to monitor endangered species?
DNA collecting samples helping species recover often depend, which can reveal valuable information about details ranging from inbreeding and population history to natural selection.
To measure the genetic diversity of particular gene, scientist look at how many different versions of it are present in a population.Use of molecular marker for identification of endangered species offer promise of conservation biology.
Conservation genetics is the application of genetics to understanding the decreasing population and species extincts.By effective managing these ecosystem we can help preserve threatens and endangered. It helps in determine evolutionary context of endangered species and enables the development of better management and strategies for endangered species.
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as we know three most common house hold fuse value sare 3A,5A and 13A.
The list of household electrical appliances categorized according to their power consumption and what fuse they will use are:
3A Fuse
A table lamp,ComputerBlender, Refrigerator Deep freezer etc.For every appliance that is rated between 700 and 3000 watts, it's plug should have a 13-amp fuse installed onto it.
What is a fuse value?A fuse rating is the amount of current required to blow (break) the fuse. When a fuse blows, it disconnects power from an electrical system.
The fuse rating is generally printed on the fuse itself. The fuse rating is often expressed in 'amps,' which is the standard measurement for electrical current.
Why are electrical fuses important?If an appliance malfunction results in an excessive current flow, the fuse shuts off the circuit.
If something goes wrong, this safeguards both the wiring and the appliance. A wire that melts easily is within the fuse.
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Full Question:
As we know that the three most common household fuse values are 3A, 5A, and 13A.
Make a list of your household electrical appliances. Divide them into three groups according to their power consumption to decide what fuse should be fitted in the plug for each of them.
Two monosaccharide isomers with 4 chiral carbons in which the configuration of one chiral carbon differs are most precisely described as:_______.
Two monosaccharide isomers with 4 chiral carbons in which the configuration of one chiral carbon differs are most precisely described Diastereomers
What are enantiomers and diastereomers?
Stereoisomers are up two types such as diastereomers and enantiomers.
Diastereomers or diastereoisomers are the type of non-mirror image non-identical stereoisomers. They are non-superimposable.
For example in D-glucose and D-altrose, although have the same number and type of atoms but the arrangement is different.
On the other hand, though Enantiomers are non-superimposable, but the only difference is that they are mirror images of each other.
Hence, in this case 4 chiral carbons of two sugar isomers where the configuration of one chiral carbon differs are Diastereomers
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_________, which involves severe impairment of memory as part of a loss of intellect and personality, is most closely associated with the deterioration of _________-producing neurons.
Alzheimer's which involves severe impairment of memory as part of a loss of intellect and personality, is most closely associated with the deterioration of ; acetylcholine producing neurons.
As far as dementia goes, Alzheimer's disease is the most prevalent. The disease is gradual, starting with mild memory loss and potentially progressing to the loss of communication and environmental awareness. The brain regions that are responsible for thought, memory, and language are affected by Alzheimer's disease. Age-related changes in the brain as well as genetic, environmental, and lifestyle variables are likely contributing factors. There are less acetylcholine molecules in the brains of those who have Alzheimer's disease. Acetylcholine aids in the communication between certain nerve cells. Some of the acetylcholine-using nerve cells are also lost as a result of Alzheimer's disease.learn more about Alzheimer's here: https://brainly.com/question/18406872
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Which molecule is produced during translation
Answer:c
protein
Explanation:
Estrogen and progesterone are primarily produced and secreted by the: Group of answer choices ovaries. uterus. anterior pituitary. posterior pituitary.
Answer:
Produced and Secreted by the ovaries
What is the term for a reduction in bone mass that is large enough to compromise the normal function of bone?
Osteoporosis is the term for a reduction in bone mass that is large enough to compromise the normal function of bone.
Osteoporosis is a disease that reduces bones to the point where they break easily like bones in the hip, backbone (spine), and wrist. Osteoporosis is called a “silent killer disease” because you may not notice any changes until a bone breaks. In this situation bone mineral density and bone mass decreases, or the quality and structure of bone changes. This can lead to a decrease in bone strength that can increase the risk of fractures. It causes your bones to become thin and weak. They are at greater risk for breaking. A broken bone may happen even from falling from a standing position.
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The ability of the brain to change its anatomy over time, within limits, is known as ____.
The ability of the brain to change its anatomy over time, within limits , is known as Neuroplasticity, which is also known as neural plasticity or brain plasticity. The ability of neural networks in the brain to change through growth and recognizance.
Its the ability of human brain to change its activity in response to intrinsic or extrinsic stimuli by reorganizing its function and structure. Learning, experience and memory formation or as result of damaged the brain.
According to study music , especially when combined with dance,art,gaming and exercise which helps in promote neuroplasticity and its improve movement and coordination which help in strengthen memory of the brain.
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The half-life of carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only % of the carbon-14 expected in living matter, when did the tree die?.
Mature and established trees die for a combination of reasons but sudden browning of foliage is typically associated with a lack of water supply to the canopy. Water supply can be cut off to the canopy due to obvious issues including deficiency or root damage.
What is Carbon?Carbon is a chemical component with the symbol C and atomic number It is nonmetallic and tetravalent—its atom makes four electrons unrestricted to form covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon produces up only about 0.025 percent of Earth's crust.Carbon is employed in some way in almost every industry around the globe. It is used for fuel in the form of coal, methane gas, and crude oil (which is used to produce gasoline). It is used to make all sorts of fabrics including plastics and alloys such as steel (a mixture of carbon and iron).Carbon is a chemical element with the symbol C and atomic number 6. Categorized as a nonmetal, Carbon is a solid at room temperature.To learn more about Carbon, refer to:
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What is the chief benefit of using a high and low x-ray energy source with a dxa system?
The chief benefit of using a high and low x-ray energy source with a dxa system is to demonstrate attenuation differences between bone and soft tissue.
A DXA scan typically aids a physician in determining bone density. It might also be useful for figuring out body composition, like the ratio of lean muscle to fat. Two low-energy X-ray beams are used in the dual-energy X-ray absorptiometry (DXA) scan. This enables the picture to display both bone and soft tissue.
A DXA scan is usually more accurate than a standard X-ray when doctors need to determine whether a patient has low bone density or whether the problem is worsening since it may spot even minute changes in bone loss. The amount of visceral fat that the body accumulates around particular internal organs can also be estimated using the data.
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What type of feedback is demonstrated when adequate thyroid hormones signals the pituitary to stop producing thyrotropin?
A negative feedback loop controls the thyroid hormones.
In addition to the thyroid, the hypothalamus and pituitary are also part of the negative feedback loop. The thyroid is regulated in this manner: TRH, or thyrotropin-releasing hormone, is secreted by the hypothalamus. Thyroid-stimulating hormone, or TSH, is produced by the pituitary gland in response to TRH. The thyroid gland is then stimulated by TSH to release its hormones.
When thyroid hormone levels are high enough, the pituitary and hypothalamus are prevented from secreting TSH and TRH, respectively. The thyroid gland ceases producing hormones when TSH production is inhibited. Soon, the thyroid hormone level begins to drop too low.
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Which brain structure maintains homeostasis and influences blood pressure, heart rate, digestive activity, breathing rate, and body temperature?
Hypothalamus maintains homeostasis and influence blood pressure, heart rate, digestive activity, breathing rate, and body temperature.
What is the hypothalamus?A region of the forebrain situated below the thalamus of the brain.
The main function of hypothalamus is to control and coordinate the center of brain.
Hypothalamus helps to keep the body stable that is known as homeostasis.
The hormones such as thyrotropin-releasing hormone(TRH), gonadotropin-releasing hormone (GnRH) are the important hormones released from hypothalamus.
Thus,homeostasis, blood pressure, heart rate, digestive activity, breathing rate, as well as body temperature is maintained by hypothalamus.
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Which protein joins together the okazaki fragments of dna in the lagging strand?
DNA ligase joints together the Okazaki fragment of DNA in the lagging strand.
DNA ligase is the enzyme .it catalyses the formation of a phosphodiester bond between the 3'OH group at the end of one DNA fragment and the 5'phosphate group at the end of another.
During DNA replication in the lagging strand, okazaki fragments are formed because due to different primer are available for DNA polymerase enzyme. so the new DNA strand takes place in discontinuous manner. DNA ligase enzyme act as molecular suture . it s form phosphodiester bond between 3'OH group of one DNA to 5'phosphate group of another DNA molecule. so the newly synthesised DNA takes place in continuous manner.
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When the diffusive and electrostatic forces are balanced, what do you predict will happen to the intracellular and extracellular k concentrations at equilibrium?
When the diffusive and electrostatic forces are balanced, the K+ ions first move out of the cell down their concentration gradient, but begin to be pulled back into the cell due to the inside of the cell becoming more negative. For a single ion, the two forces balance out at the equilibrium potential.
What is equilibrium potential?
The concentration gradient of an ion across a semipermeable membrane drives the direction of movement of the ion. This ionic concentration gradient, or difference across the membrane surface, is maintained by the use of energy, either primary or secondary active transport, and creates a force for the movement of that ion across the membrane. Again, because of the high relative permeability of the membrane to potassium, the resulting membrane potential is almost always close to the potassium equilibrium potential. But in order for this process to occur, a concentration gradient of potassium ions must first be set up. This work is done by the Na+/K+ ATPase pump, which pumps 3 Na+ ions out of the cell and 2K+ into the cell to generate the Na+ and K+ concentration gradient. The membrane is semipermeable to that ion. There is an ion channel that allows for the ions to pass through the membrane only when that specific ion channel is open. Thus, when the ion channel opens, the ion moves down its concentration gradient from high to low, in this case for K+ from the inside (intracellular region) to the outside (extracellular region). Permeability is the capability of ions to flow across the membrane even if they are moving or not (e.g. is there an ion channel present). However, conductance measures the movement of charge across the membrane.To learn more about equilibrium potential: https://brainly.com/question/14292747
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The parts of the subunits of ribosomes are assembled in the ______ while the subunits are assembled into ribosomes in the ______
The parts of the subunits of ribosomes are assembled in the nucleolus while the subunits are assembled into ribosomes in the cytoplasm.
What is ribosome ?In eukaryotes, ribosomes are located in cytoplasmic organelles, other type of ribosomes present in cell are chloroplast and mitochondrial ribosomes.
Ribosome have a sedimentation coefficient such as 80 S is composed of 40 S and 60 S subunits.
In prokaryotic cells, it is 70 S type consist up 30 S and 50 S subunits.
In both prokaryote and eukaryotes majority of ribosome is composed up proteins that and the remaining part is ribonucleic acid.
Hence nucleolus and cytoplasm are correct answers.
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Select all the correct answers. looking at the phylogenetic tree, which three statements can you make about the interconnectedness of the species a, b, c, d, and e? phylogenetic tree showing x and y branching out from a common root. x branches out into a and b. y branches out into c on one leaf and d and e together on the other leaf. species a and c may have shared features from a common ancestor. species c is more related to species d than species d is related to species e. species b and c are more closely related than species c and d. species b and e may have shared features from a common ancestor. species a is more related to species b than species b is related to species c.
Species A and C may have shared features from a common ancestor
Species B and E may have shared features from a common ancestor
Species A is more related to species B than species B is related to (any of the other species)
What is Phylogenetic tree ?A phylogenetic tree is a visual representation of the evolutionary connections between various creatures. Phylogenetic trees are theories rather than proven truths.
A phylogenetic tree's branching pattern illustrates how many species or other groups developed from a number of common predecessors.From this phylogenetic tree we can see that all five species have a shared distant, common ancestor, meaning that they all evolved from a single species. Because they all share the same common ancestor, there's every chance that the species A and C, or species B and E, share some features from their common.Learn more about Phylogenetic tree here:
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Answer:
- Species A and C may have shared features from a common ancestor
- Species B and E may have shared features from a common ancestor
- Species A is more related to species B than species B is related to (any of the other species)
Explanation:
According to the cell theory, which describes cells?
All organisms are composed of multiple cells.
All cells have the same structure and function.
Cells are found in everything on Earth.
All living cells come from other living cells.
Answer:
All living cells come from other living cells.
Explanation:
"All organisms are composed of multiple cells" can't be right, due to the fact that single-celled organisms do exist. "All cells have the same structure and function" is blatantly untrue, otherwise we wouldn't exist right now. We'd all be bacteria. "Cells are found in everything on Earth" is also not correct- there are extreme climates where even the hardiest organisms can't survive, like pits of magma in the recesses of the Earth. That leaves us with "All living cells come from other living cells", which is indeed true, all cells duplicate via a process called mitosis, and in order for replication to happen, there needs to be a parent cell in order to duplicate DNA.
For gas exchange with the atmosphere, the respiratory tissue...
Question 5 options:
a) Must have thick cell walls
b) Have a large surface area
c) Be moist
d) Both b and c are correct
e) a) b) and c) are all correct
Answer:
i guess both option b and c are correct
For gas exchange with the atmosphere, the respiratory tissue must have thin walls, large surface area and be moist.
Therefore, the correct answer is Option d) Both b and c are correct
What are the adaptations of respiratory system?The respiratory system helps in exchange of gases between the atmosphere and the body.This exchange of gases takes place in the alveoli of lungs.Oxygen moves from lungs into the blood and carbon dioxide moves from the blood into alveoli of lungs where it is eventually exhaled into the atmosphere.The alveoli have several adaptations for exchange of gases.These adaptations include having a large surface area, moist surface, extensive blood supply, thin, permeable walls and high pressure gradient of gases.For rapid diffusion of gases, a very thin wall of epithelium is required between the alveoli and the surrounding capillaries such as simple squamous epithelium.Learn more about respiration here:
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9. Technology can bring both good and bad things. Building a vertical farm can increase food
supplies in cities (good), but it may cause unemployment in rural areas (bad). Give another
example of both the good and bad sides of a technological advancement
Positive effects of Technology. Less expense, better efficiency, contact channels, increase in networks, etc. Negative effects of Technology. Social isolation, job loss, adverse health effects, scams, etc.
What are the positive effects of technological advancement?In addition to enhancing business strategy, technology has also made trade easier, more effective, and more cost-efficient. In the days before the Internet, businesses were limited to running ads in newspapers and magazines. If they had the funding, they could run ads on TV or radio as well.
Examples of such new technologies contain carbon capture and storage systems, more efficient irrigation techniques, essential medicines, household water purification machines, and manufacturing processes that minimize destruction and corruption
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state 2 main distinguishing characteristics of Rhizobium
Answer:
i know only one
Explanation:
rhizobium foun in the root of legumonus plant like pea and this help to plant grow
rhizobim convert nitrogen into nitrates during thunderstorm
How does the loss of vegetation on shore lines affect waterways? a. decreased sedimentation b. increased shorelines c. increased erosion of water banks d. none of the above
c. increased erosion of water banks
Correct option is C. Waterways are affected by the loss of vegetation along the shorelines, which causes increased erosion of water banks .
By sustaining portions of the beach with its roots, vegetation on the shore protects the soil from erosion and decreases its impact.
Erosion would be detrimental without them.
What is erosion?The process of removing soil, rock, or dissolved material from one area on the Earth's crust and moving it to another, where it is deposited, is known as erosion.
Erosion can be brought about with the aid of many exceptional situations. Some erosion examples include wind erosion, water erosion, glacial erosion, temperature erosion, and mass wasting (such as landslides).
Erosion differs from weathering, which is a static process.
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How would the presence of an extra solute - glucose – in the urine affect the urine is osmotic pressure and tendency to draw water by osmosis?
When the extra amount of glucose is present then the reabsorbtion capacity of kidney glucose remains in the filtrate , which is causes an increase in osmotic pressure causing potassium and water to move out into the urine.
Hyper-tonic additional glucose stimulates osmotic fluid that increase plasma and blood volumes. Glucose provides nutritional aspects and also used as a metabolic testing. Decreased intravascular osmotic pressure from decreased concentration of plasma protein , particularly.
Osmotic pressure is required to prevent the net movement of water into solute of the solution when the solution are separated by a selectively permeable membrane.Serum albumin protein found in blood plasma that helps in maintain osmotic pressure between blood vessel and tissues.
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You see a bee pollinating a flower. This is an example of which ecosystem service?
Bee pollination is an example of regulating ecosystem services.
Ecosystem services provide beneficiaries for the living of human beings.The most significant services including providing provisionals( food), regulating the essential process for the ecological balance.Bee pollination in natural and agricultural ecosystem supports the food production and regulating the genetic flows in plant species.Learn more about ecosystem services on https://brainly.com/question/8513228
When a cold front is approaching, what happens?
Select one:
a.
Warm air is pushing under cold air causing humid weather and lower temperatures.
b.
Warm air is pushing under cold air causing humid weather and higher temperatures.
c.
Warm air rises, cools, and causes rain and thunderstorms.
d.
Cold air is pushed over warm air causing rain and thunderstorms.
The medulla is considered part of the brain rather than the spinal cord because it ____.
Answer:
is contained in the skull
What feature of rubisco allows the co2 concentration to increase in the bundle sheath cells of c4 plants?
The increased concentration of CO₂ in Bundle sheath cells allows RUBISCO to bind with CO₂ more efficiently.
RUBISCO stands for Ribulose Bisphosphate Carboxylase Oxygenase. It is the most abundant enzyme on the earth. It has binding site for both CO₂ and O₂. It is a 5 carbon compound.
In bundle sheath cells due to thick walls, the CO₂ concentration increases and hence RUBISCO can bind with CO₂ more efficiently. The binding site in RUBISCO has active sites for both CO₂ and O₂, therefore the binding nature between both of them is competitive. More the concentration of CO₂ the better the RUBISCO can bind to it.
In the C₄ pathway, when the acid is broken down in the bundle sheath cells, this increases the intracellular concentration of CO₂ and hence CO₂ can bind with RUBISCO.
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Which type of glia builds myelin sheaths around axons in the periphery of the body?
Oligodendrocytes of glial cells build myelin sheaths around axons in the periphery of the body.
In the central nervous system, oligodendrocytes sustain the axons of neurons, especially those that travel across vast distances within the brain. Myelin, a fatty substance that they make, is wrapped around axons as insulation. White matter acquires its name from the myelin sheath, which has a role similar to that of insulation layers around power cables in that it speeds up the transmission of electrical signals. Myelin sheath loss around neurons is what causes multiple sclerosis. Major glial cells in the brain includes oligodendrocytes, astrocytes and microglia.
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What is the process called when a primitive neuron begins to develop dendrites and an axon?
The process when a primitive neuron begins to develop dendrites and an axon is known as Differentiation .
Neurogenesis is the process by which new neurons are formed in the brain. Neurogenesis is crucial when an embryo is developing, but also continues in certain brain regions after birth and throughout our lifespan. Four main stages of neuronal development are proliferation of a vast number of undifferentiated brain cells, migration of the cells toward a predetermined location in the brain and the beginning of their differentiation into the specific type of cell appropriate to that location ,synaptogenesis followed by neuronal cell death.
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Obe seems to be especially involved in the comprehension of spoken language in humans?
Temporal lobe seems to be especially involved in the comprehension of spoken language in humans.
What is temporal lobe?The second-largest lobe is the temporal lobe, which is located behind the ears. They are frequently linked to memory encoding and the processing of auditory information.The key jobs of the temporal lobes are language comprehension, memory formation, object and face recognition, perception, and auditory information processing.Each cerebral hemisphere's largest lobe, located in front of the occipital lobe, houses a sensory region linked to the auditory system.Different sounds must be interpreted and given meaning by the temporal lobe. As a result, left temporal lobe loss frequently results in receptive aphasia or Wernicke's aphasia, which are issues interpreting language.This crucial component aids in the processing of sensory information, including as pain and auditory inputs. Additionally, it aids with language comprehension, memory retention for images, and the processing and memory of emotions.Learn more about temporal lobe here:
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Question: Which lobe seems to be especially involved in the comprehension of spoken language in humans?
