The sensory organs, such as the ear and eye, are sensitive to external or internal stimuli.
Sense organs are specialized organs that aid in our ability to perceive our environment. They play a crucial role in how we live, and they give us the only ability to sense our surroundings. As a result of a specific physical phenomena, sense organs supply the necessary information for interpretation via numerous organs and a network of nerves. These senses control how we relate to and engage with the environment.
There are five sensory organs in humans:
Eyes
Ears
Nose
Tongue
Skin
The receptors in these five sense organs transmit information to the relevant areas of the nervous system via the sensory neurons. The receptors could be divided into two categories: the universal and unique receptors.
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help with this question
several factors account for the movement of water up xylem vessels. which single factor is most important in pulling water toward the top of a tall tree?
The single most important factor in pulling water towards the top of a tall tree is the evaporation of water through the stomata.
Xylem vessels are vessels that transport water from the roots of the plant to the leaves to be used for photosynthesis. The process is somewhat easier for short plants and shrubs as their leaves are close to the ground and the water doesn't need to travel very far to reach the leaves. For tall plants however, it's quite different.
The cohesive and adhesive properties of water enable tall plants to pull water from their roots. adhesion makes water molecules stick to the walls of the xylem vessel, and cohesion makes water molecules stick together. A combination of the two brings about capillary action, which accounts for the movement of water up xylem cells. However, this is not the most important factor.
Capillary action alone can only pull water about halfway through the xylem of tall trees before coming under the influence of gravity. When water evaporates from the stomata in the leaves, it creates a kind of vacuum in the xylem. This effect pulls water from the roots all the way to the leaves, hence, the important factor in pulling water towards the top of a tall tree is the evaporation of water through the stomata.
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The location of the rotator cuff muscles in relation to the glenohumoral joint minimizes the upward pressure against the __________.
Answer:
Acromion of the scapula
Explanation:
Would we still always see the same side of the Moon from Earth? Explain.
you have an f2 generation derived from two true-breeding parents (aa and aa) with different characteristics for the same trait (determined by a single gene). what percentage of the recessive phenotype would you expect to be true breeding if they were self-fertilized?
25% of the recessive phenotype would you expect to be true breeding if they were self-fertilized.
What is self-fertilized?
self-fertilization is the union of cells from the same person's male and female gametes. species, such as the majority of flowering plants, countless protozoans, and many invertebrates, are capable of self-fertilization. In unicellular creatures like the protozoan Paramecium, autogamy, or the creation of gametes by the division of a single parent cell, is commonly observed.
However, these species also have the ability to reproduce by conjugation, a process in which two individuals exchange genetic material over a cytoplasmic bridge in order to cross-fertilize. Similarly, most self-pollinating species of higher plants, the majority of which are monoecious (male and female gametes are generated by the same person), are also capable of cross-fertilization, and even those that are obligatory self-fertilizers occasionally inadvertently do so.
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A scientist makes a claim that a certain treatment prevents diabetes. however other scientists repeat the experiment and get different results what should happen next
Based on your answer to question 3 above how does it help the lion population for females to raise any cubs to which they are related
Because many female lions in a pride nurture their young jointly, genetic testing is necessary to determine the exact parents of a youngster.
As a result, a large number of the lions would display genetic traits that were identical, indicating a close relationship.
Additionally, prides can relocate to another pride and mate with the lions there.
Most female lionesses stay with their moms' pride.
Because they are all related to one another—mothers, daughters, aunts, sisters, etc.—they all possess the same DNA.
This is just one more reason for everybody to cooperate in order to ensure the survival of each youngster.
What exactly is a genetic test?A type of medical examination known as genetic testing checks for changes to genes, chromosomes, or proteins. The results of a genetic test can be used to confirm or refute a genetic issue, as well as to calculate a person's risk of developing or passing on a genetic illness.
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there are several dna proof-reading genes that code for proteins to find and repair damaged dna. what might happen if one of these genes malfunctions?
Gene malfunctioning leads to genomic instability, apoptosis, or senescence.
What is proofreading?
DNA polymerases are the enzymes that build DNA in cells. During DNA replication (copying), most DNA polymerases can “check their work” with each base that they add. This process is called proofreading. If the polymerase detects that a wrong (incorrectly paired) nucleotide has been added, it will remove and replace the nucleotide right away, before continuing with DNA synthesis.
Proofreading corrects the majority of errors, but a few slip through. Mismatch repair occurs immediately after fresh DNA is synthesized; its function is to delete and replace mispaired nucleotides (ones that were not fixed during proofreading). Mismatch repair can also detect and correct minor insertions and deletions caused by polymerases "slipping" and losing their footing on the template.
Repair processes that help fix damaged DNA include:
Direct reversalExcision repairExcision repairHence, gene malfunctioning leads to genomic instability, apoptosis, or senescence.
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help me, lazy day :)
Answer:
4
Explanation:
Which marine life professional helped save a seal pup that had plastic entangled around its neck?.
The chairman of the Friends of Horsey Seals, Peter Ansell, helped in saving the seal.
How did he rescue a seal?Marine rescuers in Orkney assisted a seal pup that had monofilament netting wrapped around its neck. The young grey seal at Tresness was entangled, and British Divers Marine Life Rescue (BDMLR) in Sanday was rushed to the scene. The little puppy was discovered by the marine doctors caught in netting next to a rock pool. Rescuers opted to pull the seal outside so they could confine it and carefully cut away the netting since the monofilament was slicing into the animal's flesh. Since the attempt was effective and the wound wasn't infected, the seal was promptly broken.
Peter Ansell was the marine life professional who helped save a seal pup that had plastic entangled around its neck.
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A pellicle is a characteristic of the
The defining property of euglenoids is the presence of pellicles.
They are flagellates with only one cell. They mostly include freshwater.
They exhibit heterotrophy (Saprotrophic or Phagocytic). The defining property of euglenoids is the presence of pellicles. The complex structure known as a pellicle is made up of layers of protein. The cell's plasma membrane protects it. Euglenoids form a protective layer over them.
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Question 3
Which TWO statements are TRUE regarding the structures shown in the diagram and how they interact to express information in the cell?
A
Molecules A and B are self-replicating.
B
Molecule B can be used to produce molecule A.
C
Molecule A can be used to produce molecule C.
D
Molecules A and C interact in the process of translation.
E
Molecules B and C interact so that amino acids can be joined together.
The statements Molecule B can be used to produce molecule A and Molecules B and C interact so that amino acids can be joined together are TRUE regarding the structures shown in the diagram (Options B and E).
What are transcription and translation?Transcription is the process by which a DNA template (molecule B) can be used to synthesize a complementary RNA (molecule A), while translation is a process in which an sequence is used as templates to generate a protein, which requires tRNAs (molecule C) to trasnport amino acids to the ribosomes.
Therefore, with this data, we can see that DNA is molecule B used to create RNA, which is molecule A, while tRNA is represented by molecule C and it is used during translation.
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What statements are true regarding the purple, blue and green dots in the extracellular space compared to the intracellular space?
1. there is a lower concentration in the extracellular space compared to the intracellular space
2. there is a higher concentration in the extracellular space compared to the intracellular space
3. there is no concentration difference between the intracellular and extracellular spaces
The statement that is true regarding the purple, blue, and green dots in the extracellular space compared to the intracellular space is there is a higher concentration in the extracellular space compared to the intracellular space. The correct option is 2.
What is intracellular space?Intracellular space is the space inside the cell and extracellular space is the space outside the cell. There is a semi-permeable membrane between the outside and inside cells.
Therefore, the correct option is 2. There is a higher concentration in the extracellular space compared to the intracellular space.
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What happens to the macromolecules when we digest them? What happens to the atoms?
What specific molecule helps this process happen?
Digestion is a chemical procedure that converts food's macromolecules, such as proteins, lipids, carbohydrates, and nucleic acids, into simple nutrient molecules that can be absorbed into bodily fluids.
What are macromolecules?
Large, complex molecules are known as macromolecules. They frequently result from the synthesis of smaller molecules like proteins, lipids, and carbohydrates. A macromolecule is the culmination of numerous smaller molecules, to put it another way.
Macromolecules are enormous molecules that fill a cell and give it vital life-sustaining functions. For instance, when we digest macromolecules they break down into smaller particles such as proteases, amylases, lipases, nucleases, etc.
Therefore, macromolecules are converted into simple nutrient molecules. Protease is the specific molecule that helps in this process.
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One way carbon dioxide enter the atmosphere
by burning fossil fuels
The time during fetal growth when specific parts or organs develop is known as ________.
The time during fetal growth when specific parts or organs develop is known as the critical period.
Fetal Development: Growth Stages The egg that will become your baby rapidly divides into several cells within 24 hours of fertilization. The embryo turns into a fetus by the eighth week of pregnancy. A typical pregnancy lasts for about 40 weeks. Three trimesters are created out of these weeks.
The fourth through sixth months of your pregnancy will see significant fetal development spurts, which will cause you to put on a lot of weight. Your pre-pregnancy BMI and if you are carrying multiples will affect how much weight you gain. During your pregnancy, you may put on between 11 and 54 pounds.
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if you were asked to use a light microscope to locate specific molecules in a cell, what would be the best form of light microscopy to use? * 4 points a. nomarski b. phase-contrast c. brightfield, unstained d. brightfield, stained e. fluorescence
If you were asked to use a light microscope to locate specific molecules in a cell, fluorescence would be the best form of light microscopy to use.
What is light microscopy?Modern cell biology relies heavily on light microscopy as a technique. The resolution of light microscopy is well matched to the sizes of subcellular structures, a wide variety of fluorescent probes are available for marking proteins, organelles, and other structures, and living cells can be imaged for extended periods of time to follow their dynamics. These characteristics make light microscopy the ideal tool for imaging biology in living cells.
Fluorophores, which are molecules that absorb one wavelength of light (the excitation wavelength) and emit a second, longer wavelength of light, are used in fluorescent microscopy (the emission wavelength).
The correct answer is Option d) fluorescence.
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What is the main precursor derived mostly from carbohydrates to start fat biosynthesis?.
The enzyme acetyl-CoA carboxylase acts to change acetyl-CoA, which is primarily produced by the metabolism of carbohydrates, into malonyl-CoA.
Describe lipogenesis.The process of creating fatty acids and triglycerides from glucose or other substrates is known as lipogenesis. The liver is where this specific biosynthesis occurs most frequently.
What stages include lipogenesis?Since the required acetyl CoA is produced in the mitochondria and cannot cross the mitochondrial membrane, lipogenesis takes place in the cytoplasm. Pyruvate is transformed into acetyl CoA and oxaloacetate to address this issue. These transformations involve the use of two distinct enzymes. Pyruvate dehydrogenase produces acetyl CoA, whereas pyruvate carboxylase is responsible for the formation of oxaloacetate. Citrate is created when acetyl CoA and oxaloacetate mix.
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Which type of cytoskeletal element is described as a solid, thinner structure, often organized into a branching network, and composed of actin subunits?.
Microfilaments are solid, thinner structures, type of cytoskeletal often organized into a branching network and composed of the protein actin.
What is Cytoskeleton composed of actin subunits?
A part of cells that helps maintain their structure and organization is the cytoskeleton. The cytoskeleton has many functions, including aids in the process of cell division and helps move materials into and out of a cell .The cytoskeleton is made up of cytoskeletal filaments, which are essentially protein filaments found in the cytoplasm of cells. The intermediate filaments are composed of protein filaments. F-actin and microtubules are composed of globular proteins, whereas intermediate filaments are composed of filamentous proteins. As a result, we can infer that each of the three main cytoskeletal filaments constituent parts has the ability to attach to and hydrolyze nucleotides.
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Which of the following could result in the extinction of a species?
harsh restrictions on poachers
increase in the habitat size of a species
adding a new species to the habitat
decrease tourism in protected areas
Answer:
Adding A New Species To The Habitat
Explanation:
Hi my name Is Cash and I'll be answering your question today! Quite easy actually!
So let's begin.
K so the question says . . .
Which of the following could result in the extinction of a species?
harsh restrictions on poachers
increase in the habitat size of a species
adding a new species to the habitat
decrease tourism in protected areas
. . . Now let me explain why the answer is C
Which of the following could result in the extinction of a species?
A: Harsh Restrictions On Poachers- is a good thing for those of you who don't know what a poacher is a poacher is a horrible person who kills rare and endangered animals for their fur,horns etc. and sells them on the black-market or alley, so them putting restrictions on the poachers could help. ... they still do it though being for real but we'd still say thats a good thing.
B- Increase of habitat size of species- that is always a good thing, cuz theres more room for animals to rome around. They don't go near the cities because it's not their habitat.
And C- Adding a new species to a habitat is bringing a animal that wasn't orginal in this enviroment and could most likely disrupt the animal kingdom in that enviroment.
AND D WE KNOW IS RIGHT BUT I WILL EXPLAIN ANYWAYS- okay imagine your a animal and your afraid of humans because they are so evolved then one day they walk right into your home and start smiling all creepy and snapping photos tourism is good. animals like peace.
MARK ME BRAINLIEST PLS
I encourage you to do your own work next time :) K BUDDY
optimizing the conditions and use of synthetic matrix for three-dimensional in vitro retinal differentiation from mouse pluripotent cells. tissue eng part c methods
Recent research has shown that a three-dimensional approach to retinal differentiation tissue development from pluripotent cells is a reliable method.
Improves repeatability and efficiency of retinal differentiation in organoid cultures by combining the best conditions and methods for three-dimensional retinal differentiation from mouse embryonic cells. Retinal induction can be accomplished without the need of Matrigel by using a synthesised oligopeptide, which is a step closer to xeno-free settings for cell generation. With defined medium conditions, retinal tissue and cell production can be scaled up greatly for use in drug discovery, disease modelling, and transplantation. These conditions also significantly reduce variability within and between batches.
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we set up an experiment where the same species of plant is grown in boxes covered with plastic that only allows a single color of light through. in which box would we expect the least plant growth and even perhaps the death of the plant to occur?
For each of the following DNA sequences, write the complementary RNA sequence.
The complementary RNA sequence to the given DNA sequences are as follows:
UCG CUA AGUGCU UUU GAAAAU UAA GGG CAAUAU GCA CCG CUU GUA CGU UUACAG UCA GUC AGU CAG UCA GUCWhat is the difference between DNA and RNA?DNA is the genetic material that is found in living organisms.
It stores genetic information and is transcribed to RNA which is used to make proteins.
DNA differs from RNA in that DNA is double-stranded while RNA is single-stranded.
DNA also has the nucleotide thymidine whereas RNA has Uracil.
Hence, in transcribing DNA to RNA, thymine is replaced with Uracil.
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Which answer choice provides an accurate and objective summary of the article?
The plasma membrane of __________ have a ruffled border with many deep infoldings, whereas __________ have long, thin, fingerlike cytoplasmic processes.
Answer:
osteoclasts; osteocytes
Explanation:
if blood pressure is high, does the body increase or decrease dilation ?
Water would be considered
Living
Non-Living
Dead
it is called non- living because it does not have life in it
Answer:
it would be considered non living
Explanation:
water cant reproduce,excrete,respire and it doesn't have a circulation system.
Which type of contraction involves holding muscles still in a particular position?.
Isometric contraction involves holding muscles still in a particular position.
An isometric contraction occurs when tension is applied because the length of the muscle is substantially unaltered. For example, when doing a biceps curl while holding the weight fixed rather than actively raising or lowering it, isometric contraction takes place.
Muscles are rarely harmed during isometric contractions, despite the fact that the forces produced could be larger than those during concentric contractions.
Although isometric circumstances can be seen over the entire heart (for instance, during isovolumic contraction), isotonic conditions are uncommon because complete unloading is not achievable because afterload is continually changing during the ejection period.
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The tendon tap reflex can be elicited by a stretch in a muscle. What is the order of information flow from the primary sensory afferent to the lower motor neuron?.
Tendon reflexes, also known as deep tendon reflexes or tendon is monosynaptic stretch reflexes that can be elicited during a clinical examination by percussion of a muscle tendon.
The outcome is a rapid and transient stimulation of dynamic stretch receptors. The biceps tendon reflexes can be touched to cause the biceps muscle to contract. Additionally, when the radial bone is tapped, the same thing occurs, and it has been suggested that vibration acts as a stimulus for deep tendon reflexes. In order to determine if the typical stimulus for the deep tendon reflexes would be a vibration, an stretch, or both, we conducted research. We also investigated how position influenced reflex responses in both controls and stroke patients.
The tendon extensions of muscles tendon attach them to the bones. Muscles pull the bones by pulling on the tendons. The four tendons that make up the rotator cuff connect the muscles at the deepest layer.
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calculate the fractional saturation for hemoglobin when the partial pressure of oxygen is 44 mm hg . assume hemoglobin is 50 % saturated with oxygen at a partial pressure of 26 mm hg and that the hill coefficient is 3.
The fractional saturation for hemoglobin is 0.8290 when the partial pressure of oxygen is 44 mm hg.
The fractional saturation for hemoglobin can be described as the ratio of the total hemoglobin which is oxygenated.
The fractional saturation for hemoglobin can be calculated by using the following formula;
FS = (partial pressure of oxygen)^n ÷ (partial pressure of oxygen at which hemoglobin is 50% saturated)^n + (partial pressure of oxygen)^n
Here n represents the hill coefficient
Substituting the values in this formula to determine the fractional saturation;
Fractional saturation = (44)³ / (26)³ + (44)³
Fractional saturation = 85,184 / 17,576 + 85,184
Fractional saturation = 85,184 / 102,760
Fractional saturation = 0.8290
Therefore, the fractional saturation for hemoglobin is calculated to be 0.8290 when the partial pressure of oxygen is 44 mm hg.
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