All cells perform respiration but not all perform photosynthesis because of the absence of the plastids.
Respiration:
It is a process by which organisms produce energy by degrading glucose.
It is occur in mitochondria in eukaryotes and in plasma membrane in prokaryotes.
Photosynthesis-
It is a process by which photoautotrophic organisms produce glucose from the Carbon dioxide and water by capturing the sunlight using chlorophyll.
Chlorophyll is found in the plastid of plants and algae.
Therefore, all cells perform respiration but not all perform photosynthesis because of the absence of the plastids.
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Why did Eric Kandel get the Nobel Prize for poking sea slugs?
Aplysia cortex is exceptionally easy to study
He characterized the whole molecular genome of the aplysia, which proved invaluable for making it a model organism
He discovered the physical underpinnings of a behavior
Aplysia feature the strongest neurons in the animal kingdom
Eric Kandel get the Nobel Prize for poking sea slugs because Aplysia cortex is exceptionally easy to study.
Kandel's work with Aplysia, or more particularly, his study on the biological principles of memory preservation, earned him the 2000 Nobel Prize in Physiology or Medicine.Because of its basic neural system, which allows individual sensory neurons (which detect changes) to only create synapses with single motor neurons, the Aplysia sea slug's reflexes are frequently employed to study memory (which control muscles).The biggest benefit of Aplysia is its enormous neurons, which make it easier to conduct studies on physiology, biochemistry, and genomics at the level of individual cells and their compartments.Because Aplysia has a basic neural system with individual sensory neurons (which only sense changes) it is frequently used to investigate memory.learn more about Aplysia here: https://brainly.com/question/14441890
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An environment that provides only one or few nutrient sources usually harbors a microbial community with ______ species richness, while an environment rich in many different nutrient sources usually harbors a microbial community with ___________ species richness.
An environment that provides only one or few nutrient sources usually harbors a microbial community with low species richness, while an environment rich in many different nutrient sources usually harbors a microbial community with high species richness.
what is a microbial community ?
Microorganisms that live together in a common environment are known as microbial communities. The microbial populations that make up the community can interact in a variety of ways, such as as symbionts or predators and prey.
The variety of species present in an ecological community, landscape, or area is known as its species richness. The number of species is all that is considered when measuring species richness.
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A procedure that increases the appetitiveness or aversiveness of a stimulus is called a(n):_______
A procedure that increases the appetitiveness or aversiveness of a stimulus is called Establishing operation.
Any stimulus that will increase the chance that a preceding behavior will arise again. Satisfies a biological need and works clearly, no matter someone's previous enjoy.
Stimulus that will become reinforcing because of its affiliation with a number one reinforcer. Aversives are unpleasant stimuli that result in adjustments in behavior via negative reinforcement or effective punishment. by using applying an aversive right now earlier than or after a behavior the likelihood of the target conduct going on in the destiny is reduced.
Stimulus is some thing that makes an organism or part of an organism react in some way. for example, for maximum vegetation, daylight acts as a stimulus that reasons stimulates them to grow or pass toward it.
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A procedure that increases the appetitiveness or aversiveness of a stimulus is called Abolishing Operation.
Abolishing Operation is to describe events that decrease the punishing effectiveness of a consequence and change the frequency of the future related to that particular consequence.
It is a type of motivating operation that is responsible in making stimulus more desirable. Many unconditioned abolishing operations are identified in humans.
Example: Satiation of sleep, activity, food, Cold and warmth.
Aversiveness tends to avoid or punish stimulus.
Appetitive stimulus is an unconditioned stimulus that can be modified by deprivation.
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Phosphorous acid, a common ingredient used for potable water treatment, has a molecular formula of:_______
Answer:
H³PO⁴Explanation:
Phosphoric acid (orthophosphoric acid, monophosphoric acid or phosphoric(V) acid) is an inorganic compound with the chemical formula H3PO4. Phosphoric acid is a colorless solid, it is commonly encountered as an 85% aqueous solution, which is a colourless, odourless, and non-volatile syrupy liquid.Which organelle is the primary site of atp synthesis in eukaryotic cells?
a) lysosome
b) vacuole
c) mitochondrion
d) golgi apparatus
e) peroxisome
Answer:
[tex]\huge\boxed{\sf Option \ C}[/tex]
Explanation:
The site where ATP are synthesized in eukaryotic cells is mitochondrion.
Mitochondrion:Shape:
Oval or tubular.Layers:
Two layers, Outer layer is smooth and inner layer gives rise to foldings called cristae.Function:
Synthesizes Energy in the form of ATP with the help of electron transport chains.[tex]\rule[225]{225}{2}[/tex]
What is the final destination of acid hydrolases mannose-6-phosphate sorting signals?
A)The cell exterior
B) the lysosome
C) the early endosome
D) the late endosome
The lysosome is the final destination of acid hydrolases mannose-6-phosphate sorting signals
It only forms on proteins that are going to the lysosome. The mannose-6-phosphate receptor crosses the Golgi membrane and interacts with both the mannose-6-phosphate-containing protein on the luminal side of the membrane and coat proteins on the cytosolic side of the membrane.
Mannose-6-phosphate residues, which are detected by mannose-6-phosphate receptors in the trans-Golgi network and packaged into clathrin-coated vesicles, direct acid hydrolases to lysosomes.
These soluble lysosomal enzymes carry a distinctive identifier in the form of mannose 6-phosphate (M6P) groups, which are added only to their N-linked oligosaccharides as they transit through the lumen of the cis Golgi membrane.
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A diploid individual with two identical alleles for a particular gene is said to be:.
Answer:
Homozygous for that gene.
Explanation:
A diploid individual with two identical alleles for a particular gene is said to be homozygous for that gene, but if the individual has different alleles he or she is said to be heterozygous for the gene.
In a neuroscience experiment, which one of these would best indicate LTP?
Answer choices:
Elongation of the postsynaptic neuron
Stronger and more frequent action potentials in the postsynaptic neuron
Stronger and more frequent action potentials in the presynaptic neuron
Spines growing throughout glia
In a neuroscience experiment, the one of these would best indicate LTP is Stronger and more frequent action potentials in the postsynaptic neuron.
What is long-term empowerment?
Long-term potentiation (LTP) is the increase in postsynaptic responses over hours, days, or weeks after brief repetitive stimulation of presynaptic afferents.
However, for study purposes, LTP is commonly divided into three sequentially occurring phases: short-term potentiation, early LTP, and late LTP.
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one way that the investigator could increase the validity of the investigation
Answer:
for different purpose like accuracy, validate
The Scyphozoans are commonly found in Florida and hang upside down in the water with their tentacles pointed towards the
Scyphozoans True jellies, members of the phylum Cnidaria, are frequently observed in Florida and hang upside down in the water with their tentacles pointing upward. They do this to illuminate the photosynthetic dinoflagellates that are stored within their bodies.
The majority of Scyphozoa species have two distinct life cycles: the planktonic medusa or jellyfish form, which is most noticeable during the warm summer months, and a less noticeable but more persistent bottom-dwelling polyp that periodically produces new medusae. Scyphozoa make up the majority of the enormous, frequently colorful, and noticeable jellyfish that may be seen in coastal areas all over the world.
Scyphozoans lack any lasting hard elements, such as a head, a skeleton, or specialized respiratory or excretory organs. Since marine jellyfish are up to 98 percent water, they are rarely discovered in fossil form.
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Biological membranes are selectively ______, meaning they allow only specific types of molecules to pass into or out of the cell.
Biological membranes are selectively permeable as it allows only some substances and molecules to pass into or leave the cell. Selective permeability is defined as ability of the cell membrane to allow certain substances to pass through while keeping others out. Molecules can selectively pass through the cell membrane, small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.
Plasma membranes allow certain substances to enter and leave a cell, while preventing harmful material from entering and essential material from leaving. In other words, plasma membranes are selectively permeable they allow some substances through but not others.
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Microsatellite instability and mismatch repair protein expressions in lymphocyte-predominant breast cancer
A Final statement or concluding statement
Despite common clinical anticipation that many patients would respond to immune-checkpoint inhibitors, the frequency of microsatellite instability (MSI) is reportedly exceedingly low in breast cancer (ICI).
Given that some triple-negative breast cancers (TNBC) responded well to ICI in a clinical trial and that a high density of tumor-infiltrating lymphocytes (TILs) is frequently observed in other cancers with high levels of microsatellite instability (MSI-H), we hypothesized that some TNBC with a high density of TILs would be MSI-H.
TILs are abundant in medullary carcinoma of the breast (MedCa), an uncommon histological form. Given that MedCa in the colon is frequently MSI-H, we predicted that MedCa in breast cancer would also include MSI-H tumors.
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HELP ASAPPPP!!!! PLEASEEEE
While sitting on a picnic blanket at the park, Sami didn't notice ants swarming around her feet and repeatedly biting her. She became very itchy and uncomfortable. Now each time she goes to the park for a picnic, she becomes itchy and uncomfortable. What is feeling itchy and uncomfortable just by going to the park in this scenario?
Unconditioned stimulus
Unconditioned response
Conditioned stimulus
Conditioned response
Answer:
C: Conditioned stimulus
Explanation:
Conditioned Stimulus is feeling itchy and uncomfortable just by going to the park in this scenario. So, the correct option is (C).
What is Conditioned Stimulus?A conditioned stimulus is a stimulus which can be eventually trigger a conditioned response. It is a type of learned stimulus which can eventually trigger a conditioned response.
It is repeatedly associated with an unconditioned stimulus until it acquires the ability to elicit a response which previously did not occur. In Pavlov's experiment, the sound of the bell served as the conditioned stimulus, while the salivation of the dog served as the conditioned response.
A substitute stimulus known as a conditioned stimulus causes an organism to respond in the same way which an unconditioned stimulus does.
Thus, conditioned Stimulus is feeling itchy and uncomfortable just by going to the park in this scenario. So, the correct option is (C).
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Proinflammatory cytokines differentially regulate adipocyte mitochondrial metabolism, oxidative stress, and dynamics
Different proinflammatory cytokines control the dynamics, oxidative stress, and metabolism of adipocyte mitochondria.
Insulin resistance, the precursor of type 2 diabetes mellitus, has been mechanistically related to macrophage infiltration of adipose tissue and continuous low-grade generation of inflammatory cytokines. In this investigation, we used the 3T3-L1 model cell system to assess the long-term effects of TNF, IL-6, and IL-1 on adipocyte mitochondrial metabolism and morphology. An increase in proton leak, a decrease in membrane potential, an increase in basal respiration, and a decrease in ATP turnover were all caused by the TNF treatment of cultured adipocytes. While IL-6 and IL-1 lowered maximum respiratory capacity, they exhibited different impacts on ATP turnover, proton leak, and baseline respiration and had no effect on membrane potential.
Only TNF treatment increased oxidative stress (as indicated by protein carbonylation and superoxide anion generation) and C16 ceramide formation in 3T3-L1 cells. When 3T3-L1 adipocytes were treated with cytokines, the mRNA expression of several important transcription factors and regulatory proteins involved in mitochondrial biogenesis, including PGC1 and eNOS, as well as COXIV and Cyt CCyt C, was reduced. TNF solely caused mitochondrial fragmentation, lowered the total level of Opa1 while increased Opa1 cleavage, and had no influence on the expression of levels of mitofusin 2, DRP1, or mitofilin. Each cytokine had effects on the expression of mitochondrial markers. Overall, our findings show that inflammatory cytokines affect adipocyte metabolism differently and specifically, although they all result in reduced mitochondrial activity and a re-programming of fat cell biology.
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22. Robert Hooke, a French scientist, published Micrographia in which he described many
of his microscopic observations.
a. True b. False
Answer: false
Explanation:
Which events occur during the atrial contraction and ventricular filling phase of the cardiac cycle?
Blood flows from the atria to the ventricles during ventricular diastole, and from the ventricles to the pulmonary artery and the aorta during ventricular systole during the cardiac cycle .
The cardiac cycle is a sequence of electrical and mechanical events that take place when the heart is contracting and relaxing (diastole) (systole). Blood flows from the atria to the ventricles during ventricular diastole, and from the ventricles to the pulmonary artery and the aorta during ventricular systole.The atrial musculature begins to contract with atrial depolarization. The pressure inside the atrial chambers rises as the atria contract, pushing more blood across the open atrioventricular (AV) valves and causing a quick flow of blood into the ventricles.The atria relax (atrial diastole) and receive venous return from both the body and the lungs during ventricular contraction. The lower chambers then loosen up during ventricular diastole, enabling initial passive filling of of the thick-walled ventricles and emptying of the atria.learn more about cardiac cycle here: https://brainly.com/question/12537609
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Which process seems to be the most similar between eukaryotic and prokaryotic genetic regulation?.
Answer:
cell replication since both cells undergo cell replication and hence mitosis
Identical twins are produced from the same sperm and egg. After the first mitotic division, the cells detach from each other and develop into distinct individuals. In contrast, fraternal twins are produced from separate sperm and separate egg cells. If two parents with brown eyes (a dominant trait) produce one twin boy with blue eyes, what are the probabilities of the following
The probability of other twin to have blue eyes is 100% because they are genetically identical.
Are identical twins are formed from two different eggs and two different sperm?
One fertilized egg (ovum), which develops into two children with the same genetic makeup, produces identical or monozygotic twins. Two eggs (ova) are fertilized by two sperm to create fraternal or dizygotic twins, which are two genetically distinct infants.How is identical twins formed?
When a single egg (zygote) is fertilized, identical twins (monozygotic twins) are produced. The egg then separates into two, producing genetically identical twins. If your twins are identical, you will have two girls or two boys because identical twins are always of the same sex.What is special about identical twins?
Identical twins have DNA that is 99.9% the same. They also have almost nearly identical brain wave patterns. But they do have different fingerprints and teeth marks! 22% of twins are left-handed as opposed to the 10% of singletons who turn out to be left-handed.Learn more about identical twins
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Type up your dichotomous key and answer the following questions:
Why did you choose the five identifying characteristics you used in your dichotomous key?
Was the person who you gave your key to able to accurately identify the fruit? Explain why or why not.
What two other fruits could your dichotomous key work for?
What other category of items could you create a dichotomous key for?
My dichotomous key are;
Is it fresh.Does it have an even taste.Does it have any seed.Is it soft and fluffy.Are they greenWas the person who you gave your key to able to accurately identify the fruit?Yes, and it is known to be an apple fruit.
What two other fruits could your dichotomous key work for?It could be used for a pear or a straw berry.
What other category of items could you create a dichotomous key for?I can create for a bird and animals.
What is a Dichotomous Key?This is known to be a method used to know a species by answering a number of questions that is set based on some likely features (such as physical characteristics)
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Evaluation of Endoscopic Iliopsoas Tenotomy for Treatment of Iliopsoas Impingement after Total Hip Arthroplasty. Journal of Arthroplasty
Anatomically, the iliopsoas, a deep muscle group, joins the spine to the lower limbs.
Abstract:Background:
Up to 4.3 percent of patients who have total hip arthroplasty (THA) experience functional groin pain due to iliopsoas impingement. Historically, surgical treatments have included acetabulum revision or open iliopsoas tenotomies. In order to assess the effectiveness and hazards of endoscopic iliopsoas tenotomy for iliopsoas impingement following THA, we provide a sizable single surgeon series of patient cases.
Methods:
The endoscopic iliopsoas tenotomy performed on a sequential series of 60 patients with iliopsoas impingement following THA was retrospectively assessed. Complications, changes in Hip Outcome Score (HOS), and pain relief were all evaluated as outcomes. A musculoskeletal radiologist examined the radiographs to assess component placement and to contrast with a control cohort.
Results:
93.3 percent of patients reported pain relief at the most recent follow-up (mean 5.5 months). The mean of the HOS activities of daily living (ADL) subscale was 57.5 before surgery (range: 10.9-89.3, SD: 18.8), and it was 71.6 after surgery (range: 14.1-100, SD: 26.1) (P =.005). Preoperatively, the HOS sports subscale had a mean of 37.3 (range 0-83.3, SD 24.0), and postoperatively, it had a mean of 58.1 (range 0-100, SD 33.2) (P =.002). A postoperative hematoma that was treated conservatively was the only documented consequence. Iliopsoas symptoms following THA in this series were linked to body mass index and greater offset.
Conclusion:
Endoscopic iliopsoas tenotomy following THA had a low rate of complications, a 93.3 percent pain remission rate, and clinically significant improvements in HOS. Patients who have iliopsoas impingement after THA should be treated with endoscopic tenotomy.
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The __________ of the conduction system is located in the right atrium near the entrance of the superior vena cava.
The SA node of the conduction system is located in the right atrium near the entrance of the superior vena cava.
Guide to the Conduction System. The sinoatrial node, which acts as the natural pacemaker in a healthy heart, is situated in the upper portion of the right atrium.The intrinsic conduction system of the heart is made up of a number of specialized cell subpopulations that either generate electrical activity on their own (pacemaker cells) or preferentially channel this stimulation throughout the four chambers of the heart in a coordinated manner.Where is the SA and AV node located?
The sinoatrial node (also known as the sinuatrial node, SA node or sinus node) is a group of cells known as pacemaker cells, located in the wall of the right atrium of the heart.
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The capital city of arizona is phoenix. what kind of phrase are the bolded words? infinitive phrase noun phrase adjective phrase adverb phrase
The bolded word "of Arizona" is regarded as a noun phrase.
What is a noun phrase?A nouns phrase refers to a string of words that contain a noun but does not make a complete meaning. In this case, the noun is found to function in the sentence as a prepositional object.
We know that there are eight parts of speech in the English language and the noun is part of the eight parts of speech which add meaning to a sentence that we make.
Thus, the bolded word "of Arizona" is regarded as a noun phrase.
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The spinal cord contains ascending and descending nerve fibers that send information between the cns and the periphery. This illustrates which function of the spinal cord?.
The spinal cord which contains ascending and descending nerve fibers that send information between the CNS and the periphery. The function illustrated by the spinal cord is conduction.
The spinal cord is an extended part of the central nervous system. the spinal cord contains vertebrae which are lined with discs for providing support. But apart from this most importantly the spinal cord contains nerves and nerve fibers that send information to both the central and peripheral nervous system. The pons in the brain is responsible for enhancing the conduction performed by the spinal cord. The pons contain nerve fibers which are responsible for forming tracts that make conduction easier by the spinal cord.
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What is the term for biodiversity that results from few ancestral species
Adaptive radiation is the term for biodiversity that results from a few ancestral species.
What is biodiversity?The term biodiversity (from “biological diversity”) guides to the mixture of life on Earth at all its levels, from genes to ecosystems, and can contain the evolutionary, ecological, and cultural functions that sustain life.
Biodiversity includes not only species we consider rare, endangered, or endangered but also every living thing—from humans to organisms we understand little about, such as microbes, fungi, and invertebrates.At the Center for Biodiversity and Conservation, we have human and human cultural diversity as a component of biodiversity. We use the term “biocultural” to represent the occupied, always evolving, and connected nature of people and place, and the notion that sociable and biological measurements are interrelated. This vision recognizes that human use, knowledge, and beliefs influence, and in favor are influenced, by the ecological methods of which human residents are a part.To learn more about biodiversity, refer to:
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Oxygen gas (o2) is an example of a/an __________. a. element b. mixture c. compound d. cell
Which season will the northern hemisphere experience when the axis of earth is tilted towards the sun
The summer season will be experienced by northern hemisphere when the axis of earth is tilted towards the sun.
What is Summer?This season is usually the hottest and it experiences more daylight hours than dark hours.
The hot atmospheric condition is as a result of the earth facing the sun thereby increasing its exposure to heat from it.
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explain how to use a punnett square to determine the probability of inheriting traits?
The boxes that contain the dominant allele are counted and multiplied by 100 to obtain the percentage probability of the inheritance of each trait.
What is a punnet square?The Punnet square is used in genetics to determine the percentage probability of the inheritance of each of the traits represented in the square.
The square is divided into four connected by lines the number of boxes having the dominant allele is divided by 4 and multiplied by hundred and the percentage probability of the inheritance of each of the traits is obtained.
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How do dying stars contribute to the formation of plants
Describe how the design and function of the lungs is evidence of a wise creator.
lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe. The respiratory system's main job is to move fresh air into your body while removing waste gases. The lungs are the major organs of the respiratory system, and are divided into sections, or lobes. The right lung has three lobes and is slightly larger than the left lung, which has two lobes. The lungs are separated by the mediastinum. This area contains the heart, trachea, esophagus, and many lymph nodes. main functions of the lungs are Delivers oxygen to the cells in your body. Removes waste gases, including carbon dioxide, from the body when you exhale.
The primary function of the respiratory system is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body. The respiratory system does this through breathing. When we breathe, we inhale oxygen and exhale carbon dioxide.
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Find the element in the periodic table. Find out the period (rows) it is in, and draw that number of circles.
Answer:
Name of element: Oxygen (O)
Period (Row): 2
The number of the period (row) in which the element is in tells us how many energy levels (known as shells or circles) the element has.
Because Oxygen is in row 2 it tells us we need to draw 2 circles.
The group that the element is in also tells us the number of electrons present in the element's outer energy level (also known as an outer shell or outer circle).
Because Oxygen is in group 6 it must have six electrons on its outer energy level.
We know that the first energy level always has two electrons.
So we draw two energy levels. On the first energy level, we draw 2 dots or crosses (to represent the two electrons). On the second energy level, we draw 6 dots or crosses.
Hope this helped and if you require more assistance from me, please comment below! :)
In this answer (you did not specify which element to use so I've written down the steps if you want to choose another element) I've written Oxygen as an example.