Insoluble protein formations that accumulate on synapses and block information transmission are called
Answers
Insoluble protein formations that accumulate on synapses and block information transmission are called Lewy bodies. These bodies can form in the brain.
Lewy bodies are clumps of insoluble proteins, which can form within the brain.
These formations may affect many brain activities (e.g., behavior, memory, movement, thinking, etc) and eventually lead to dementia.
Lewy bodies have been observed in the brain of individuals suffering from different diseases that affect the brain (e.g., Parkinson's disease, Alzheimer's disease).
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Related Questions
Agricultural chemicals are one source of water pollution. What is one way we can reduce their effects?"
a. biological magnification
b. nonpoint source pollutant
c. integrated pest management
d. sewage treatment
Answers
Answer:
what I think it is it's C?
which type of debridement occurs when nonliving tissue sloughs away from uninjured tissues?which type of debridement occurs when nonliving tissue sloughs away from uninjured tissues?
Answers
Autolytic debridement is a sort of debridement that takes place when dead tissue sloughs off of healthy tissues.
When the body's own enzymes and immune cells degrade and remove dead or necrotic tissue from a wound, the process is known as autolytic debridement. Keeping the wound moist and covered makes it easier for the body's natural healing processes to work, which speeds up the healing process.
Due to the lack of the use of chemicals or sharp equipment, autolytic debridement is typically regarded as the least invasive and gentlest method of debridement. It is especially beneficial for wounds with little to moderate necrotic tissue.
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A. Humans have the fewest common ancestors with Species 1 and 4.
B. Humans do not have any common ancestors with Species 2 or 3.
C. Humans have the most distant evolutionary relationship to Species 4.
D. Humans have the closest evolutionary relationship to Species 1.
Answers
The evolutionary relationship between species can be determined through genetic and morphological analysis, as well as the fossil record.
What is species?In biology, a species is a basic unit of classification and a fundamental concept in the study of biodiversity. A species is defined as a group of organisms that can interbreed to produce fertile offspring. Members of a species share a common gene pool, and they are reproductively isolated from other groups. The concept of a species can be applied to both sexually reproducing and asexually reproducing organisms. In sexually reproducing organisms, interbreeding is necessary for the production of fertile offspring. In asexually reproducing organisms, a species is defined by the genetic and morphological characteristics of a group of organisms that have descended from a single common ancestor.
Here,
It is possible that humans share a closer evolutionary relationship with Species 1 than with Species 4, or that they share common ancestors with Species 2 or 3.
Therefore, none of the answer choices provided can be determined from the given statement alone.
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Most eukaryotic mRNAs are shorter than the genes that encode them. The reason for this is __________.
Answers
"most eukaryotic mRNAs are shorter than the genes that encode them" because the non-coding regions of the gene are removed before the mRNA leaves the nucleus. These non-coding regions of the gene are called introns while the coding regions are called exons. Hence, the process of removing introns and joining exons together is called splicing.
Pre-mRNA is the primary transcript synthesized in eukaryotic cells, which is initially processed in the nucleus to mature mRNA before it is transported out to the cytoplasm for translation. The pre-mRNA usually contains both introns and exons. Introns are non-coding regions, while exons are coding regions that will ultimately form the amino acid sequence of the protein that the gene encodes.
Introns are generally longer than exons. Therefore, if they are retained in the mRNA, it will increase the size of the mature mRNA, which will be impractical for the cell to transport to the cytoplasm. Hence, the non-coding regions of the gene are removed before the mRNA leaves the nucleus. This process is called splicing, which removes the introns and joins the exons together. After splicing, the mature mRNA is produced, which is shorter than the gene that encodes it.
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What is the largest blood vessel in the body and also the main trunk of systemic circulation?
A. Pulmonary vein
B. Superior vena cava
C. Inferior vena cava
D. Pulmonary artery
E. Aorta
Answers
The left ventricle of the heart pumps high-pressure, oxygenated blood directly into the aorta. The portion of the circulatory system known as the systemic circulation transports blood from the left ventricle to the body's organs and tissues. Hence (e) is the correct option.
The largest vein in your body, the inferior vena cava, returns oxygen-depleted blood from the lower half of your body to your heart. The aorta, which connects to the heart and descends into the abdomen, is the biggest artery in the body. The aorta is the principal artery of the systemic circulation, as was previously mentioned.
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The ___
method requires moving to new solutions until one works.
A. trial-and-error
B. stages
C. rational
D. heuristic
Answers
Answer:
a. trial-and-error
Explanation:
hope this helps!
Answer: A. Trial and error
Explanation:
i need help please somebody
Answers
Answer:
c. Bacteria
Explanation:
Answer:
D: virus because virus also attacks human immune systems as shown on the image
Watch this video, and explain how Dr. Collins used critical thinking to develop his concussion-monitoring device.
Answers
Dr. Collins built and designed his instrument based on facts—the recognized concussion symptoms. He needed to learn more about how concussions affect the brain and how people react to cognitive activities. He became aware of a weakness in the way concussions are currently handled. Many athletes don't treat the injury properly or put off getting help, which might have long-term negative effects. The latest device from Dr. Collins both looks for potential injuries and keeps track of healing. Thus, it meets a demand for concussion treatment.
What is critical thinking?
The mental process of actively and carefully perceiving, analyzing, synthesizing, and evaluating information gathered through observation, experience, and conversation that results in a decision for action is known as critical thinking.
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What phenotypic results would you predict if starting with the following population sizes? a. 1000: b. 100: c. 10:
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The phenotypic results that I would predict if starting with the following population sizes (a. 1000, b. 100, c. 10) would depend on the genetic variation within the population and the selective pressures that are acting on the population.
For a population size of 1000, I would predict that there would be a higher level of genetic variation within the population, which would result in a greater range of phenotypic variation.
This would allow for a greater chance of adaptation to changing environmental conditions, and a greater likelihood of the population surviving.
For a population size of 100, I would predict that there would be a lower level of genetic variation within the population, which would result in a smaller range of phenotypic variation.
This would decrease the chance of adaptation to changing environmental conditions, and a lower likelihood of the population surviving.
For a population size of 10, I would predict that there would be an even lower level of genetic variation within the population, which would result in a very small range of phenotypic variation.
This would greatly decrease the chance of adaptation to changing environmental conditions, and a very low likelihood of the population surviving.
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Please answer quickly, timed test!!
Which term is correctly paired with its role in the body?
A) insulin – a sugar that regulates blood glycogen levels
B) ADP – a molecule that releases energy when it forms ATP
C) glycogen – a hormone found in blood that regulates blood glucose levels
D) glucose – a sugar found in blood that can be broken down to produce ATP
Answers
The hundreds of varied fruit fly species on the Hawaiian Islands arose through adaptive radiation. Which piece of evidence would best support this claim?
A. The Hawaiian fruit fly species all physically resemble one another more than they do non-Hawaiian fruit flies.
B. The Hawaiian fruit fly species are more closely related to each other genetically than they are to non-Hawaiian fruit flies.
C. The Hawaiian fruit fly species all occupy similar ecological niches.
D. The Hawaiian fruit fly species are radioactive.
Answers
The hundreds of varied fruit fly species which are present on the Hawaiian Islands arose through the process of adaptive radiation and this is because the Hawaiian fruit fly species are comparatively more closely related to each other genetically than to non-Hawaiian fruit flies.
Hence, option B is the correct option.
In evolutionary biology, adaptive radiation is basically the process in which the organisms are able to diversify rapidly from the ancestral species into a number of different new forms. This particularly happens when there is a change in the environment and makes new resources available, alters the biotic interactions or opens up new environmental niches.
The hundreds of different fruit fly species present on the islands of Hawaii were able to show the process of adaptive radiation as they are more genetically closely related to each other as compared to non-Hawaiian flies.
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BRAINLIEST IF RIGHT Which of the following is found in the geosphere?
1. Rocks
2. Minerals
3. Soil
4. All options are correct
Answers
Answer:
All answers are correct.
Explanation:
Practice:organelle identification Complete the table by writing the name of the cell part besides it’s structure/function
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The correct matching of the cell organelles and their functions are:
1. Stores material within the cell - vacuole2. Closely stacked, flattened sacs (plants only) - chloroplast /granum3. The sites of protein synthesis - ribosome4. Transports materials within the cell - vesicles5. The region inside the cell except for the nucleus - cytoplasm6. Organelle that manages or controls all the cell functions in a eukaryotic cell - nucleus7. Contains chlorophyll, a green pigment that traps energy from sunlight and gives plants their green color - chloroplast8. Digests excess or worn-out cell parts, food particles and invading viruses or bacteria - lysosome9. Small bumps located on portions of the endoplasmic reticulum - ribosomes10. Provides temporary storage of food, enzymes and waste products - vesicle11. Firm, protective structure that gives the cell its shape inplants, fungi, most bacteria and some protists - cell wall12. Produces a usable form of energy for the cell - mitochondria13. Packages proteins for transport out of the cell - Golgi body14. Everything inside the cell including the nucleus - cytosol15. Site where ribosomes are made - nucleolus16. The membrane surrounding the cell - plasma membrane17. Provides support for the cell, has two “subparts” - Lipid bilayer18. Name for the collection of DNA in the nucleus of eukaryotic cells -Chromosome/chromatinWhat are cell organelles?Cell organelles are specialized structures found within the cells which perform specific functions.
Cells organelles are considered as small organs or mini-organs within cells.
The cell organelles may be classified into:
membrane-bound organelles, andnon-membrane-bound organelles.Some of the cell organelles and their function include:
Mitochondria - produces energy in the form of ATP for the cellNucleus - stores the genetic informationEndoplasmic reticulum - synthesizes proteins and lipidsGolgi apparatus - packaging and distribution of biomolecules.Lysosome - digestion of molecules and foreign materials.Ribosomes - they are the sites of proteni synthesisLearn more about cell organelles at: https://brainly.com/question/25742135
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Note that the complete question is given below:
Complete the following table by writing the name of the cell part or organelle in the right hand column that matches the structure/function in the left hand column. A cell part MAY be used more than once.
Stores material within the cell vacuole
Closely stacked, flattened sacs (plants only) chloroplast /granum
The sites of protein synthesis ribosome
Transports materials within the cell vesicles
The region inside the cell except for the nucleus cytoplasm
Organelle that manages or controls all the cell functions
in a eukaryotic cell nucleus
Contains chlorophyll, a green pigment that traps energy
from sunlight and gives plants their green color chloroplast
Digests excess or worn-out cell parts, food particles and
invading viruses or bacteria lysosome
Small bumps located on portions of the endoplasmic
reticulum ribosomes
Provides temporary storage of food, enzymes and waste
products vesicle
Firm, protective structure that gives the cell its shape in
plants, fungi, most bacteria and some protests cell wall
Produces a usable form of energy for the cell mitochondria
Packages proteins for transport out of the cell Golgi body
Everything inside the cell including the nucleus cytosol
Site where ribosomes are made nucleolus
The membrane surrounding the cell plasma membrane
Provides support for the cell, has two “subparts” Lipid bilayer
Name for the collection of DNA in the nucleus of eukaryotic cells Chromosome/chromatin
Complementary to CTG is:
Answers
I don't get this. This is apart of my assignment and I don't get it.
Answers
Answer:
Producer means an organism that can produce it's own food. Plants are prime examples of producers
Primary Consumer means organisms that primarily eat plants and have low energy levels. Squirrels fit into that category. They're almost always herbivores.
Secondary Consumers eat both plants and animals in the Primary Consumer. Crows are technically secondary consumers but I've never seen one eat a squirrel before.
Tertiary Consumers are predators that have the highest energy levels and are at the top of the food chain. Coyotes eat both squirrels and crows.
(b) A student tested some albumen for the presence of protein using Biuret reagent.
The solution changed colour. It was a positive result.
Describe this colour change.
Answers
Answer:
The colour changes from blue to purple.
Explanation:
Because protein is present in the albumen (egg white.)
Which is the smallest unit of life?
Organs
Molecules
Cells
Atoms
Answers
Answer:
Cell
Explanation:
Cell is defined as the basic,structural, functional,smallest and simplest unit of life. While cell us the smallest unit of life is because if anything happens to your cell,expecially the ones the ones that controls your heart,you may die. Which is why cell us the smallest unit if life
Which microfossils are useful for paleotemperature determination
using the oxygen isotope ratios of their shells?
Answers
The microfossils that are useful for paleotemperature determination using the oxygen isotope ratios of their shells are foraminifera.
Foraminifera are tiny marine animals that have been living for millions of years. Their shells are made up of calcium carbonate and are well-preserved in sediments. The shells of these microorganisms are widely used in paleoceanography to determine past climatic conditions. Paleoceanography is the study of the history of the oceans in the geological past using sediments and fossils. It helps us to understand how the oceans and climate have changed over time.
Paleotemperature is the measure of the temperature that existed in past geological ages. The temperature is determined by various means, including studying the growth rings of trees, ice cores, and microfossils, and others. Microfossils are microscopic fossils that are found in rocks and sediments that help in reconstructing past environmental and climatic conditions.
Oxygen isotope ratio is the measure of the relative abundance of oxygen isotopes 18O and 16O in a sample. The ratio of the two isotopes changes as a result of temperature changes. The ratio is used to reconstruct past temperature changes.
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How much did the temperature vary in each city?
Answers
Answer:
In Lethbridge, the average high is 6 degress celsius and average low is-6.5 degrees celsius. With a 8.8 degrees celsius temp range. For Halifax, the average high is 3 degrees celsius and the average low is -5.8 degrees celsius. With a 12.5 degrees celsius temp range.
2. An object is viewed from a point almost directly above the surface of a lake (refractive index 1.33). It appears to be submerged about 10 feet down. How deep is the object REALLY
Answers
The object is really submerged at a depth of approximately 13.3 feet in the lake.
To find the actual depth of the object, we need to consider the refraction of light caused by the water. The refractive index of the lake is given as 1.33. When light passes from water to air, its speed changes, causing it to bend or refract. This phenomenon makes objects submerged in water appear closer to the surface than they actually are. The formula to calculate the actual depth (D_actual) is D_actual = D_apparent × Refractive Index, where D_apparent is the apparent depth (10 feet in this case). So, D_actual = 10 feet × 1.33 ≈ 13.3 feet. Therefore, the object is really submerged at a depth of approximately 13.3 feet.
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will give brainliest! Scientist were originally skeptical of Wegener's theory of plate tectonics because:
Question 4 options:
The presence of d ikes forming mound from lava in the ocean
Earthquakes on boundaries similar to the plate Wegener proposed.
Matching fossils on different continents
An explanation for the driving force behind plate movement.
Answers
Answer:
Answer is option 1
Explanation:
Please mark brainliest this is a scientific answer not a giess
Scientists have developed a new herbicide which farmers can use to control unwanted plants in their crop fields. the chemical works by blocking the production of proteins involved in the capture and storage of energy. which two organelles are most likely to be affected by this chemical?
Answers
Answer: They do not affect cereal crops, but kill many broad-leaved weeds. Selectivity usually depends on the crop's ability to break down or metabolize the herbicide
Explanation:
I took the quiz, I hope this helped you
Examples of Models
of Elements
0₂
Oxygen
He
Helium
S₁
Sulfur
Examples of Models of Compounds
A. Only elements are gases.
H₂O
Water
CO₂
Carbon dioxide
What is the difference between an element and a compound?
B. Only elements have one kind of atom.
C. Only elements have an odd number of atoms.
D. Only elements form large molecular structures.
NH,
Ammonia
Answers
The correct option is (B) only elements have one kind of compound.
What are elements?An element is a pure substance made up of only one kind of atom, each of whose nuclei contains the same amount of protons.An element is a group of atoms that all have the same number of protons in their atomic nuclei. An element's atoms always contain the same amount of protons, however, the mass can differ depending on the number of neutrons present.Atoms of the same element that contain different numbers of neutrons are known as isotopes. There are currently 118 elements, the first 94 of which are naturally occurring, and the last 24 of which are synthetic.Currently, an element, which is a complete chemical compound, corresponds to a single entry in the periodic table. They can only exist as molecules or atoms and cannot be broken down into smaller parts.Compounds:
Chemical substances known as compounds are composed of two or more elements that are chemically bonded together in a certain proportion.Therefore, the correct option is (B) only elements have one kind of compound.
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where do the small molecules like water pass through the membrane?
Answers
Answer:
Water is transported across the membrane by the aquaporin (AQP) family of passive channels.
Explanation:
ok is that the answer you are looking for?
A paramecium's contractile vacuole pumps water out of the cell as a form of active transport.
1.True
2.False
Answers
Answer: true
Explanation:
Answer:
true
Explanation:
on the steepest portion of the oxyhemoglobin dissociation curve, __________.
Answers
On the steepest portion of the oxyhemoglobin dissociation curve, hemoglobin has an increased affinity for oxygen.
The oxyhemoglobin dissociation curve describes the relationship between the partial pressure of oxygen in the blood and the percentage saturation of hemoglobin with oxygen. At the steepest portion of the curve, which occurs at low partial pressures of oxygen, hemoglobin has an increased affinity for oxygen. This means that hemoglobin molecules have a greater tendency to bind with oxygen molecules.
The increased affinity of hemoglobin for oxygen at low partial pressures is due to a phenomenon called cooperativity. Hemoglobin is composed of four subunits, each of which can bind with an oxygen molecule. When one subunit binds with an oxygen molecule, it changes the shape of the hemoglobin molecule, making it easier for the other subunits to bind with oxygen as well.
This positive feedback loop leads to a rapid increase in the saturation of hemoglobin with oxygen at low partial pressures. This increased affinity for oxygen is important for tissues that have a high demand for oxygen, such as working muscles.
When the partial pressure of oxygen in these tissues drops, hemoglobin can pick up more oxygen and deliver it to the cells that need it. The steep portion of the oxyhemoglobin dissociation curve ensures that even small changes in the partial pressure of oxygen can lead to significant changes in the amount of oxygen that is delivered to tissues.
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please help with my biology
Answers
What is the complimentary DNA sequence
for each of the following:
a) 5' TCGTAGGCT 3'
b) 3' CCGAATGCAT 5'
Answers
Answer:
a) 3' AGCATCCGA 5'
b) 5' GGCTTACGTA 3'
Explanation:
Based on complementary base pairing rules, T pairs with A, whereas C pairs with G.
In addition, because complementary strands run in complementary opposing directions, if the original sequence is in the 3' → 5' direction, our new strand is in the 5' → 3' direction, and the opposite for the original sequence that starts in the 5' → 3' direction.
Plz answer correct, it for test
A seismogram shows that P waves travel _____.
at the same speed as surface waves
more slowly than S waves
at the same speed as S waves
faster than S waves
Answers
Answer: P waves are faster then s waves
Would you expect an enzyme designed to bind to its target substrate as tightly as it binds the reaction transition state to show a rate enhancement over the uncatalyzed reaction?.
Answers
Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for a reaction to occur. Enzymes bind to specific substrates and convert them into products. In the process of catalysis, enzymes form a temporary intermediate known as the transition state, which is similar in structure to the intermediate formed during the uncatalyzed reaction.
Enzymes can bind to substrates and transition states with varying degrees of specificity and affinity. In general, enzymes bind to transition states more tightly than to substrates. The tight binding of enzymes to transition states is believed to be the main factor that leads to the rate enhancement of enzymatic reactions.
Enzymes designed to bind to their target substrates as tightly as they bind the reaction transition state would show a rate enhancement over the uncatalyzed reaction. This is because the enzyme would stabilize the transition state and lower the activation energy required for the reaction to occur. The rate enhancement would be greater than that observed for enzymes that only bind to substrates, as the tight binding of the enzyme to the transition state would provide an additional stabilization effect.
In conclusion, enzymes designed to bind to their target substrates as tightly as they bind the reaction transition state would show a rate enhancement over the uncatalyzed reaction. This is due to the tight binding of the enzyme to the transition state, which stabilizes it and lowers the activation energy required for the reaction to occur.
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